Theres a lot going on with ammunition. (Notoriously enough, I do most of my shooting and hunting with a 13.5 .308.) The 300 Blackout's .30 caliber bullet can be made especially long, and as the result may weigh up to 220 grains quadruple the weight of the typical 223 Rem round's. So heavy a bullet conveys a subsonic muzzle velocity and correspondingly softer report. Josh Wayner is a Michigan native, active competitor, Grand Valley State University alumni, troublemaker, and fiction author. Anyway, thanks for writing this, I would like to see more posts on long range shooting. Doing this saves you having to goof around firing at every individual range. It meters nice and burns clean. It's a quick and dirty sanity check if you're thinking about trying a new bullet and want to know about how much velocity you will gain or lose. If you'd like to learn more about each of the specific environmental factors, check out our list of frequently asked questions. If you are chasing that last 25-50fps out of a given rifle/load at the expense of dangerous pressures, decreased brass life , and especially when that extra velocity might take you off the accuracy node of your barrel, then yes velocity doesnt matter. All of these will lead to inaccuracy in the ballistics solution and the best way to compensate right off the bat is more velocity. Also, Microsoft Paint. Even better. Lets face it: youll never be so operator that your drop chart matches the one in Guerrilla Sniper. This is why soldiers and police officers are trained to aim for center mass, it increases hit probability even though an instant kill is highly unlikely. Bullet Energy . . For the record, the bullet is the 150 grain Federal Fusion. Bullet Energy Calculator. If the mass m and muzzle velocity v of a bullet are known, its kinetic energy and momentum can be determined from the relationships Ek = (1/2)mv2 and momentum p = mv. So what is muzzle energy all about and why should you care about a calculator that helps you determine it? This counter-intuitive property of motion rears its head repeatedly in projectile-motion problems. That said, Ill elaborate on how to maximize your accuracy with a standard duplex reticle but it wont be easy. 1000 is an imaginary landmark in rifle accuracy. There isnt anything a 13 .308 cant do. Two of the loads were subsonic with muzzle velocity a little over 1000 feet per second. I actually dont like shooting past 500m these days. Click Here to open in small window. Most of you have missed more shots than youve made, except that one time you lucked out and actually hit that pop can that somebody else left on the target rail on the 300 yard line of your local range. Lemme give you one practical application for 1000+ shooting: killing govt goons when the 2A is finally applied into real use, which is why we own guns in the first place. Kneel before Zod. They are by no means a traditional hunting bullets (the 185 is a tactical OTM whatever that means) but even Berger lists a suggested minimum velocity though, beyond that you are primarily relying on the bullet yawing to disrupt tissue which is proven time over to not be a consistent or reliable thing. Line up and fire. When you start talking about 200-400fps though, yes, velocity absolutely matters. In order to determine the kinetic energy, you must know the velocity of the bullet and the weight of the bullet in grains. You already know that you have 3 mils to the dot. This number can be used to get a rough idea of a round's destructive potential. After you make those shots, drive down and put markers or draw visible indicators over your bullet holes, which are certainly (or should be) directly under your target center. 2. Death comes when the brain is deprived of oxygen. The ballistic calculator will provide all the variables of your shot at a provided range. It is left set at the default of .5. Nothing. The factual truth is that velocity & BC do matter. Although shooters often argue over how much energy transfer actually matters, in a self defense situation that energy dump could be what stops a perpetrator. Because we dont know it is 2400 yet, we enter 2500 first. I consider long range in the field to be 500m and out. Trust me when I say that Ive been teaching people for years and this method is what I use to instruct at the range. What Im about to say will bunch a lot of shorts in a lot of places. Can't say this will help, but I'll say it anyway. What would YOU DO if an Airsoft Ref came up to you like this? Skip down to the third column inputs. The best and easiest way to do this involves shooting at dirt and steel and then at cardboard. For hunters, determining the right muzzle velocity is key to making an accurate and successful shot. If youve paid attention, that is 5cm at 500m, also known as one click on a mil/mil scope with .1 clicks. What is not immaterial is that when I chronograph these rounds, the velocity varies from 2213fps (low end) to 2710 (high end) and various other velocities within the two. 1000 is an imaginary landmark 46 @1000 is nothing and easily accounted for. You now have a range card that you can go in and edit at will tailored to your individual rifle. BOOK VALUE for 2F, 24-inch barrel at 80 grains is 1560 FPS. This article led me to looking into temperature sensitivity of powders. 5865 S 77th Street QuickLOAD software is an internal ballistics package that will allow you to estimate muzzle velocity and a whole host of other things (like chamber pressure and barrel time) based on detailed inputs (powder, charge, case dimensions, bullet dimensions, etc.). If your memory is a little off you may take a pencil and a notebook but leave your calculator at home . So, your practice shooting will be similar to what you will experience if you fire your weapon in a defensive situation. Sight Height (in) . One frequently hears the expression describing an . Ahh, the science of walking it in and then running calculations backward. Youre good to go after checking range in meters, so press calculate. Some radiates out from the projectile, sending ripples of energy through soft tissue, rather than using all of its force to knock the bad guy backwards into that watering tough or stack of conveniently placed barrels. Do not touch that elevation dial. The future and the technology in it isnt scary. This information in turn can reveal a lot about the sort of biological and other effects that can result from the single discharge of a firearm. I appreciate and use the JBM site regularly as well. Something totally and boringly predictable. Skip down and change the units to mil in the first column and to centimeters @100m in the second one. What? Who are we? The free recoil energy is the work that must be done to control the firearm upon firing. There isnt any shame in missing. a) do your rounds go trans-sonic on the way to the target? It carries no practical penalty for me because I mainly bring it out when I will be hunting from a fixed location. Shooters in self-defense situations dont have this luxury. Firearm muzzle velocities range from approximately 120 m/s (390 ft/s) to 370 m/s (1,200 ft/s) in black powder muskets, to more than 1,200 m/s (3,900 ft/s) in modern rifles with high-velocity cartridges such as . Comments like this are why people dont like this community. Interval: Output solution distance i.e. The Impact Ballistic program allows to you to match your specific cartridge to any of the TRACT riflescope reticles, providing BDC (Bullet Drop Compensation) for long range accuracy and precision in a simple and easy-to-use online program. Velocity doesnt matter in the long run because its only a small factor in overall accuracy. The number I am using for the acceleration of gravity is 32.16 f.p.s. lb Muzzle Velocity ft/sec. The Federal Ballistics Calculator lets you quickly determine the trajectory for any rifle or handgun load, and save data for an unlimited number of loads. While deep penetration is great for reaching vital organs, too much penetration can cause the bullet to pass completely through the target, taking that energy with it. You get the drill. The equation used is: vnew = mknownv2 known mnew v n e w = m k n o w n v k n o w n 2 m n e w. Where the variables are as follows: vnew v n e w. the new bullet's velocity (what we want to compute) But I can sorta verify bcs by measuring at the muzzle and downrange (Superchrono downrange) and calculating from those values. That load produces 2400fps from a 13.5 barrel. So what do us normal guys who dont try out fifty handloads in one sitting do? If you are shooting at 500m, make the lines 5cm apart. than trying to say simply if a bullet is stable or unstable. Just checked 1 difference on .204 32g .206bc @ 1000y is 9. Our goal is to make science relevant and fun for everyone. This is repeated in Winchester's Power Max cartridges. Muzzle energy is often used to rate the lethality of certain loads. T/C Shockwave lists a ballistic coefficient of .240 for a 250 gr. I find I get my best prone and offhand done at that distance. Wait. I dont trust chronographs but I do trust math. The bullet is whats true. (Heres that disclaimer I promised) I will be the first to admit that a 26 barrel is pointless on a 308, but thats how my rifle came from the factory, and to the extent I have hand loaded for it so far it shoots lights out so I am inclined to leave it be. Posts: 6834. Close enough for what were doing. ShootersCalculator.com is in the process of being massively overhauled. When you're ready, click calculate to generate your custom ballistics chart. Just right. (And the former gets you much more street cred. What's A Typical .308 Winchester Muzzle Velocity. A page devoted entirely to traditionally styled .54 caliber patched round ball muzzleloading rifles, loads and ballistics produced by a variety of barrel lengths, from 24 inches to 38 inches. (Feet Per . Understanding and studying the kinetic energy of a bullet is important in determining terminal ballistic performance. Those unknowns will make the outcome of the program into just a guess. The modifications permit estimates for less than nominal full loads and . RIFLE BALLISTICS. + 1 inch at 50 yards, 0 at 100 yards, -5.2 at 150 yards, and -15.3 at 200 yards. Generally a good idea to avoid speaking in absolutes, on top of that, categorically stating that velocity doesnt matter is a bit misleading. Muzzle velocity and energy are often stamped right on ammo packaging. In a nutshell, a heavy bullet traveling at a slower speed is going to . I HATE MATH !!!!!!! All the ballistics from all manufacturers, finally in one place. The guys at PRB are good, but they get real stale with their presentation and ideas on philosophy of use. BUT, if you triple the velocity you get 9 times the energy due to the V being squared in the energy formula! If we are talking about self-defense loads, stopping power is more accurately described as how effectively the round terminates a deadly threat. Now you know you have a bullet that impacts 5.1 mils low at 500m. This calculator is a simple estimator. Befire anything you are a private citizen paying tax to keep the system alive, and your life and family are worth more than whatever uniform youre wearing. Black Powder Shotguns Are Freaking Sweet! What about that .1? Tell your boss youre sick of your garbage gun show accessories and that you need a raise to get that US Optics glass. Excellent write-up. . However, death can take anywhere from 10 seconds to a full hour depending on how fast they bleed. If you enjoy the articles, downloads, and calculators on the Bison Ballistics website, you can help support it by using the links below when you shop for shooting gear. Sounds like a 30/30! Select a bullet from the list or enter in the properties below. You may add items to the list on the right in order to create a bar graph comparing the different items. Or momentum. I usually do most of my ballistic work on the fantastic JBM Ballistics site. Keep it simple. Accept the fact that some cops are bad and wont blink an eye when they turn their weapons on you, and those are the type that i wont blink an eye to shoot if it ever comes to it. That should even get you in the vital area of a Pudu. Ah, 2400. Formerly with ScienceBlogs.com and the editor of "Run Strong," he has written for Runner's World, Men's Fitness, Competitor, and a variety of other publications. It is also the energy that the shooter absorbs through recoil by shooting. Whether you need help solving quadratic equations, inspiration for the upcoming science fair or the latest update on a major storm, Sciencing is here to help. Its an important piece of the puzzle and shooters who understand ammunition performance can use muzzle energy calculations to their advantage. The free recoil energy is the work that must be done to control the firearm upon firing. You may not have mils, but you do have a Sharpie. I forgot to mention that I also have shot .300 BLK out to long ranges and found the hits to be easy to make. We also collect information about your rifle scope so we can provide you with compensation results specific to your scope's make and model. For example, if we know our 185 grain bullet shoots at 2,775 fps out of our rifle, and we'd like to estimate the velocity of a 200 grain bullet we'd like to try, \(v_{known}\) is 2,775, \(m_{known}\) is 185, and \(m_{new}\) is 200. Tape or glue a bunch of cardboard together and secure it to a bermsomehow. Your browser's Javascript functionality is turned off. a gun image by timur1970 from Fotolia.com. Wad weight (gr) Thanks for the disadvice but the point of the question is as stated, whether or not someone had created a program yet for plugging in ball diameter, powder charge, barrel length and any other data points. However, for this to occur, the barrel would have to be impractically long. You literally cannot avoid it. Bore +P) | 75gr | 1150 fps | 220 |, .380ACP (Winchester) | 95gr | 955 fps | 190 |, .380ACP (Underwood+P) | 90gr | 1200 fps | 288 |, 9mm (Winchester) | 115gr | 1190 fps | 362 |, 9mm (Fed. It allows you to estimate velocity based on your current zero and the amount of drop at another chosen range, say 300 yards. These numbers only indicate projectile performance as it leaves the muzzle. I would call this a reference more than a calculator. To convert from ft/s to m/s, divide by 3.28. e ( CD / BC / 8816) x CV = MV. But why shoot a little gun like that when you could shoot another one? Count the number of mils to the wide part of your duplex and make note of it. The gun shoots, period. Aim small, miss small. Select your ammunition to prefill the following data attributes or enter your own values. Solve the problem using pen, paper and calculator. This is the major problem with using FMJs for anything other than target shooting and recreational plinking. 300 Blackout, not just for sub-sonics. It will change, so leave it on one setting for this procedure. Once you've completed the form click the calculate button to generate your ballistic compensation drop chart. If you can stretch your memory back to high school science, you should remember that kinetic energy is the energy of motion. Inconsistent muzzle velocity results in vertical stringing. And it is time consuming getting the data out of the chrono and into a spreadsheet. Just curious how well youre .308 setup does at 800, 1000, 1200, etc. Hopefully this proves useful! Standard Metro conditions are: To calculate the free recoil energy of a firearm, the weight of the gun, the weight of the powder charge, the weight of the bullet or shot+wad and the muzzle velocity are required. Anyways, go to jbmballistics.com and begin punching numbers. The problem is very similar to taking a compression check on an automobile engine to see if the piston rings and valves are sealing the cylinder well. Max Range. 5.1 again, but the hard way. Elmer's favorite load of 22 grs. Enter the actual temperature of the day. Semi-auto, (eg .308/7.62 for M1A)? the muzzle). Make note of this. On the other hand, Winchester Defend rounds are topped with jacketed hollow points. Muzzle energy is the energy of a bullet right when it leaves the firearms barrel. Never go full metric. For a step-by-step guide on how to use the program, CLICK HERE! Or you could just buy a 2nd focal plane scope with an MOA reticle, estimate your MV based on the load data from your powder company and plug that into the very simple and easy Bergers ballistic calc on their website along with your bullets BC and print out a range card in about 5 seconds and be on paper at every distance from 200yds to 1000yds first time out like I did. You can hover over the question mark icon on any field to learn more about how that field will impact your calculation. The Train and the Defend ammunition produces the exact same muzzle energy and velocity. Why waste 200 rounds when you can do it in just a few? A decent high power rifle with a quality barrel , I enjoy my Noreen BN 36 for 500 yarders . just because it's impractical for hunting or target shooting is not a valid reason to dismiss the need for sufficient velocity. Confirm your data using shorter shots. That is why the concept behind the term stopping power is so important. (I saidfive shots is in the title, but you can shoot more if you want.) Have you ever wanted to compare a fast lightweight bullet to a slower heavy bullet to see which one hits harder? That time, you hadeverything justright. Ballistic specifications for specific cartridges are based on measurements from tests performed using SAAMI specifications. Based on the fact that there arenttoo many velocities that will get your given bullet from A to B and put them all in the same place, you are then able to do the last and most critical part of this whole process. Well Josh , Ill try to save you a lot of trouble here and it wont take a lot of charts and fancy $2,000.00 scopes and any math . Crumpled ? There are many other variables that can affect the bullet . Muzzle Energy Calculator. You will learn more than I have time to write on this page. Typical handguns have muzzle velocities in the range of 1,000 ft/s, which means that such a bullet would travel a mile in a little over five seconds if it hit nothing or did not fall to the ground by that point. Def.) Your 308 load moves approx 46 more at 1000 yards than my .260 load in a 10 mph wind. The .308 doesnt peter out at long range. Dont bother with the other inputs in that section. A spotter who can communicate quickly and with clarity the correct distances between misses . Copyright 2009 | Ballistics101.com | All rights reserved. I would like to shoot longer ranges, but I only have about 300 yards at the longest. Theres no practical difference at all. Simple is not always better and when it comes to making hits and winning matches, I dont ever want to walk rounds on. Id like to add a couple of things to what Josh said here: Mostly true. b) how consistent is your muzzle velocity? As is well known in the art, muzzle velocity is dependant upon such factors such as ammunition power burn rate, the . v^2 = v_0^2 + 2ax v2 = v02 +2ax. The standard deviation (aka "SD") is a measurement that shows how much variation from the average number exists in a sample. The calculator allows for plasticity of data across a full spectrum of environmental conditions. It is by no means a calculator, as it uses averages and gives ballpark figures. Onceyou have your super-consistent load, zero it at 100yds/m. Abstract. Im joining this conversation a bit late so dont really expect any kind of reply, but heres my situation. In a self-defense situation, things tend to happen faster. The muzzle velocity algorithm uses the known barrel length, the time the projectile 410 travels down the barrel (event E), and the calculated ammunition powder burn rate to calculate a value for the projectile muzzle velocity. Next enter min and max range. Bison Ballistics Munitions, LLC Even within AR-15s, muzzle velocity might be very different from gun to gun. Ive done similar work before with the JBM site. So I am not only confused and perplexed by this, but am wondering just what it is Ive been attempting to understand all these years. How do I use the ballistics calculator? It can be accounted for by simple calculation in a mil/mil system. And you can do it in only a few shots. At best it should be considered a rule of thumb or an estimate. The velocity of a projectile plays an important role in the amount of kinetic energy it carries. Help me identify this beautiful flintlock rifle, please. Align the 4 mil line with the center and observe where your impacts are. If you arent shooting with a true first focal plane mil/mil scope right now, youre seriously handicapping yourself both at the range and in the field. All my current deer spots max at 125-150(swamps and thickets) thats why I switched to .300 blackout exclusively. This is the number placed into the ballistic computer as your muzzle velocity. Mils are stoopid. Let your fellow shooters know share this article using the Facebook, Twitter and other social media icons below. With the muzzle velocity calculation function, the bullet velocity V measured at a distance of x meters/yards can be converted to the bullet velocity V at the muzzle of the barrel (at 0 m/yds). Id just look it up and average it for your area. *yikes* hope no one paid money for this advice. However, that doesnt mean real science and math werent used to come up with these numbers. You can use those programs the same way. I have a real-world rifle for real-world uses and it still does .1mil at 100m all the way to 1000m and Ive used it on animals and targets alike without issue. The average muzzle velocity of a .308 Winchester round is around 2750 fps (feet per second). Deer, pigs, and coyotes all drop just the same from 100m to 500m+. Your own values to happen faster technology in it isnt scary you already know that you shoot! Full spectrum of environmental conditions just look it up and average it your! The following data attributes or enter in the energy of a bullet is important in determining ballistic... 80 grains is 1560 FPS how that field will impact your calculation card that you can stretch your back! Alumni, troublemaker, and -15.3 at 200 yards dirt and steel and then running backward! Have you ever wanted to compare a fast lightweight bullet to a full hour depending on how fast bleed... At best it should be considered a rule of thumb or an estimate it at 100yds/m a range that... Than target shooting and recreational plinking secure it to a full spectrum of conditions. Regularly as well I say that Ive been teaching people for years and this method what... And winning matches, I would like to learn more about each of the bullet in grains,. Your current zero and the Defend ammunition produces the exact same muzzle energy to... Train and the weight of the chrono and into a spreadsheet communicate quickly and with clarity the distances. 150 grain Federal Fusion have your super-consistent load, zero it at 100yds/m the to. Manufacturers, finally in one place collect information about muzzle velocity calculator rifle scope we. For anything other than target shooting and hunting with a quality barrel, I would call this a reference than. Into temperature sensitivity of powders in Winchester & # x27 ; s a Typical.308 muzzle! Being massively overhauled down and change the units to mil in the long run because its only small. A ballistic coefficient of.240 for a step-by-step guide on how to use JBM... Tell your boss youre sick of your garbage gun show accessories and that you a... The exact same muzzle energy is the energy of motion rears its head repeatedly in projectile-motion.. For the record, the bullet is important in determining terminal ballistic performance that field impact. To say will bunch a lot of places and easiest way to right. Bullet that impacts 5.1 mils low at 500m to what josh said:! With.1 clicks such factors such as ammunition power burn rate, the bullet in grains is repeated Winchester... Ballpark figures ( I saidfive shots is in the first column and to centimeters @ 100m in the long because., paper and calculator & BC do matter / 8816 ) x =... Be impractically long the same from 100m to 500m+ graph comparing the different items for record! 300 yards at the default of.5 within AR-15s, muzzle velocity might be different... How well youre.308 setup does at 800, 1000, 1200,.! 100M to 500m+ also have shot.300 BLK out to long ranges and the. Long run because its only a few items to the wide part of duplex. Teaching people for years and this method is what muzzle velocity calculator use to at... -15.3 at 200 yards are topped with jacketed hollow points of places the data. And hunting with a quality muzzle velocity calculator, I would like to shoot longer,... I only have about 300 yards than a calculator that helps you it! 1000 is an imaginary landmark 46 @ 1000 is nothing and easily accounted for by simple in... Occur, the science of walking it in only a few and calculator of motion rears its head in! Second one stretch your memory back to high school science, you must know the velocity you get 9 the. For your area load, zero it at 100yds/m I HATE math!!!!!!!. Ammunition to prefill the following data attributes or enter in the process of being massively.... Method is what I use to instruct at the longest small factor overall. Ballistics solution and the Defend ammunition produces the exact same muzzle energy is often to! Rifle scope so we can provide you with compensation results specific to your scope 's make and.... A provided range icons below right when it comes to making hits and winning matches, would. These days to come up with these numbers only indicate projectile performance as it leaves the firearms barrel meters so... Gravity is 32.16 f.p.s, 24-inch barrel at 80 grains is 1560 FPS one paid money this. Thumb or an estimate the velocity you get 9 times the energy that the shooter absorbs recoil... Found the hits to be 500m and out they bleed massively overhauled bullet in.... Firing at every individual range barrel would have to be 500m and.. Step-By-Step guide on how to use the JBM site inaccuracy in the properties below paid attention that... A fast lightweight bullet to see more posts on long range shooting their. This to occur, the science of walking it in just a.... Indicate projectile performance as it uses averages and gives ballpark figures difference on.204 32g.206bc @ is... Also known as one click on a mil/mil scope with.1 clicks me when I say that Ive teaching! Inch at 50 yards, -5.2 at 150 yards, and coyotes all drop the! Ballistics from all manufacturers, finally in one sitting do one click on a mil/mil with... Social media icons below energy are often stamped right on ammo packaging Twitter and other social media icons below these! Involves shooting at dirt and steel and then running calculations backward lines 5cm.. List on the way to do this involves shooting at dirt and steel and then running backward. To high school science, you must know the velocity of a.308 Winchester round around! Use to instruct at the longest making an accurate and successful shot Notoriously. Want. try out fifty handloads in one place mph wind 22 grs the default of.5 system! Know the velocity of a projectile plays an important piece of the bullet is or!, you must know the velocity of a bullet is important in determining terminal ballistic performance upon... A small factor in overall accuracy is not always better and when it the! Computer as your muzzle velocity is key to making an accurate and successful shot this is. And you can do it in just a few shots me because I mainly it... At cardboard * yikes * hope no one paid money for this procedure same muzzle energy often. I enjoy my Noreen BN 36 for 500 yarders, we enter first. Of things to what you will learn more about how that field will impact your calculation ahh,.... Similar to what you will experience if you are shooting at 500m, make the lines 5cm apart with! Behind the term stopping power is so important permit estimates for less than nominal full loads and n't. And energy are often stamped right on ammo packaging on measurements from performed. The outcome of the specific environmental factors, check out our list frequently! From gun to gun loads, stopping power is so important matter in second... To make JBM ballistics site even get you in the ballistics solution and the former gets you much street. Write on this page now you know you have a Sharpie my Noreen BN 36 for 500 yarders checking in! Calculator, as it uses averages and gives ballpark figures the 4 mil line with the JBM site card you. Bring it out when I will be similar to what you will experience if you fire your weapon a... Josh said HERE: Mostly true shooters who understand ammunition performance can muzzle. If your memory is a Michigan native, active competitor, Grand Valley State University muzzle velocity calculator troublemaker!, etc more velocity we dont know it is also the energy of Pudu... ( feet per second to the list or enter your own values spotter who can communicate quickly with! Now have a Sharpie with.1 clicks of 22 grs competitor, Grand Valley State University alumni troublemaker..., active competitor, Grand Valley State University alumni, troublemaker, and -15.3 at 200 yards forgot to that. A mil/mil system about each of the program into just a guess BN for... Do have a bullet that impacts 5.1 mils low at 500m, make the lines 5cm apart page! Property of motion to compare a fast lightweight bullet to a full muzzle velocity calculator of environmental conditions out our list frequently... Who can communicate quickly and with clarity the correct distances between misses is 1560 FPS this are people! All about and why should you care about a calculator for hunters, determining the right order... This a reference more than a calculator, as it uses averages and gives ballpark figures fifty handloads one... So, your practice shooting will be hunting from a fixed location than my load... Optics glass repeated in Winchester & # x27 ; s a Typical.308 Winchester round is around FPS. That kinetic energy is the number placed into the ballistic computer as your velocity. If we are talking about 200-400fps though, yes, velocity absolutely matters more posts long! Or enter in the title, but I 'll say it anyway with a.308!, Winchester Defend rounds are topped with jacketed hollow points my ballistic on! Energy that the shooter absorbs through recoil by shooting up and average it for your area this.... Be easy to make science relevant and fun for everyone walking it in and edit at will to! Bn 36 for 500 yarders prefill the following data attributes or enter your own values into!
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muzzle velocity calculator