We measure recoil energy in foot pounds. A one-stop resource for your technical ballistic data needs. Legendary shooting editor Jim Carmichel gives you the formula to calculate your gun's recoil energy. The formula tells us to square the recoil velocity (where did I put that damn calculator? Explanation of terms. Let’s begin by learning what is actually happening to make that magnum rifle of yours kick you like a rented mule. The deer kicks his butt. Reduces weapon recoil by 5% per stack of Cold Blood. ((((Wb+(Wp x 1.75)) x Vm)/Wr)/7000)^2 x Wr, http://www.outdoorlife.com/articles/guns/rifles/2007/09/calculate-recoil-energ. The recoil energy and recoil velocity figures are taken from various sources including the recoil nomograph in the Handloader's Digest 8th Edition, various online recoil calculators, the Remington Shoot! Reloading handbooks are a ready source of bullets, powders and muzzle velocities. Cool Rifle Recoil Table. The reason I say "interesting" is because we're going to pull a mathematical rabbit out of a ballistic magic hat because of the difference in the velocity of the propellant gas and the bullet itself. The rifle, on the other hand, has a mass (m R) of 3,632 grams, since there are 454 grams in a pound. For practice, John once developed a reduced .375 H&H load with the Hornady 220-grain flatnose (left) that matched point of impact with full-power 300- grain loads. rifle has a recoil of energy of 14 ft-lb but the 4 lb. As an educated shooter, it is interesting to know more than, “Boy that rifle whacked my shoulder but good.” For those who are science based thinkers and want to know what exactly was the recoil of your rifle, below is the formula in Foot-Pounds of Energy. And to make it interesting we'll say the powder charge weighs 30 grains. The 6.5 Creedmoor doesn't kick a lot anyway but these added weights appreciably reduce felt recoil and rifle recoil movement. The calculator above estimates the free recoil velocity at the end of recoil and also when the bullet exits the muzzle. All recoil values have been rounded off to one decimal place. Now multiply this by the muzzle velocity 175.25 X 2900 = 508225. My brother Kyle fell in love with it the first time he saw it. In 2002, I purchased a Ruger Compact in 308. If you searching to check Rifle Recoil Calculator And Best Assault Rifle Ghost Recon Wildlands price. It was here on my desk just a moment ago. See your local retailer to purchase these pads. We have an honest to goodness recoil velocity of 11.6547, or thereabouts. But let's not lose our nerve here so we convert the weight of the gun to grains. Pads reduce recoil in much the same way as semi-automatic actions: they delay the recoil impulse by giving it a medium to work through; in this case, via compression of the pad. This formula when used in conjunction with Reloading Manuals, gives you a benchmark for rifles that are mild shooting and those that are not. A Bonnier Corporation Company. Let me put another demo to make you clearer once again. I rounded these numbers a bit in my spreadsheet and got 9.9 ft-lbs recoil, a tenth of a pound difference. We love how she refuses to get involved.) Less rifle movement makes it easier to keep the target in sight during bullet flight and splash. Rifle Recoil Table. First off, rifle recoil is produced in two ways: through primary recoil and secondary recoil. I like to think that based on my many years of shooting, if you can keep recoil at 10 ft-lbs or just a bit less than you have a recoil friendly rifle for a new shooter who may be sensitive to recoil. A little discussion on how recoil can be increased or decreased. Whether for yourself or your rifle, a rubber recoil pad can go a long way towards making a day at the range more comfortable. Copyright © 2020 Outdoor Life. 508225/8 pounds = 63528.125. 13 oz. Here it is.) Do not forget that rifle weight is a crucial factor in the recoil equation, inversely proportional to recoil. Reducing Recoil. Exterior Ballistics, Recoil Calculator, Wound Channel Calculator, Stopping Power Calculators (mutiple), Round Ball Weight Calculator, Powder Calculators, and more! You can calculate the specific recoil for your rifle and load with any one of the many ballistics calculators available free on the internet. This energy is the figure most often given in books and magazines. A comprehensive collection of interactive, online ballistics calculators! Jim Carmichel of Outdoor Life reveals this formula in an article where I wrote down the formula as an equation and validated his findings on the 30-30 Winchester See below. On average, a .270 will have about 2 - 3 pounds less free recoil (ft-lbsf) than a .30-06 for a given rifle weight, or around 17 - 23 ft-lbsf total. There are 7,000 grains in a pound, meaning that our little carbine weighs all of, let's see now; we divide 81,583 by 7,000 and, would you believe? Increase the gun weight by, say, 25% and the recoil goes down by 25%.  So if you want to reduce felt-recoil for a shooter then, I highly recommend purchasing these pads to either mount to your rifle or as a slip on version. The longer you shoot, and the harder the rifle kicks, the more likely you are to flinch. Plug in the right numbers, and you can calculate recoil energy. Do not forget that rifle weight is a crucial factor in the recoil equation, inversely proportional to recoil. Accordingly, neither the Institute nor those responsible for the preparation of this or similar drawings or data sheets make any representation or warranty, or assume any responsibility with respect thereto. Use this calculator to calculate the recoil on you rifles, handgun, and other firearms. The fix begins with some honesty. We do this by multiplying the powder charge by 1.75, which gives us 52.5 (have your pocket calculator handy, or do you want to do this in your head?). My 375 Ruger has the Pachmayr Decelerator slip on pad for shooting at the Bench Rest and it cuts the 34 foot pounds down to around 17 ft-lbs or so, making it more like the 30-06 in recoil. (Apparently the fella's wife is the one working the camera. Recoil in Ft- Lb  =   ((((Wb+(Wp x 1.75)) x Vm)/Wr)/7000)^2 x Wr / 64.4, Ga = Acceleration of gravity 64.4 fps/sec. Take the weight of the powder and multiply by a factor of 1.75 = 75.25. It's now easy to calculate the recoil speed of the rifle (v R )in feet/second: v_R=-\frac{m_B}{m_R}v_B=-\frac{9.72}{3,632}2,820=-7.55\text{ ft/s} 63528.125/7000 = 9.075. Let's take a break. Add to carts Rifle Recoil Calculator And How To Paint A Rifle You can order Rifle Recoil Calculator And How To Paint A Rifle after check, compare the values and How to calculate recoil in a rifle. These include the weight and shape of the stock and how they fit you. In other words, you simply square the velocity of recoil, which is easily calculated when we know the weight of the bullet and powder charge and its velocity when exiting from the muzzle. Calculate recoil from muzzle velocity and bullet, powder and rifle weight. and the square is 135.832, give or take a few extra numbers, but close enough for government work. A heavier bullet will typically generate more recoil but in this case the 220gr SMK gives us only 1.5lb more recoil energy for an 11% increase over the 175gr. The deer kicks his butt. Not to worry, I have an on-line calculator for you too below so you can validate your data in case you have difficulty with this calculation. Let’s compare a weak 12 Gauge load with a powerful one, but we’ll keep things simpler by omitting … Anyone allergic to arithmetic can calculate recoil of different calibers by plugging the appropriate weights and velocities into the procedure outlined here. After you input the necessary data such as the bullet weight, bullet velocity, powder charge weight, and the firearm weight it will output the recoil impulse, recoil velocity, and the recoil … Legendary shooting editor Jim Carmichel gives you the formula to calculate your gun's recoil energy. So I have my recoil energy, now what? If you find any inacuracy or you have some other feedback, the best place for it is our Discord server . Usually, gun owners want to calculate the recoil so that they can reduce recoil shotgun slugs. The more I shoot it, the more I like it. Pretty good chart for comparison of different calibers and bullet weights within those calibers. That’s the same unit we use to measure muzzle energy. Some folks make the mistake of assuming this is the recoil velocity but if we make this erroneous assumption we will be comparing apples to oranges, which will not mathematically integrate with the aforementioned formula. September 18, 2007. A couple of comparisons of different cartridges. Then, Recoil= (10*14.86)/ (2*32.174) So, Recoil= 34.32 ft pounds. Just assume, VG= 14.86 fps. VG= Velocity of the gun. The limited case capacity of 300 Blackout is a perfect example of excess case capacity being taken up by a big bullet. Buck Attacks Hunter A deer hunter ends up going toe-to-toe with a heavyweight champion buck. And let's not forget to multiply this by the weight of the gun, which gives another one of those fancy numbers, but we can cut this down to size by dividing twice the acceleration of gravity per second per second, which comes to about 64.4, which (wonder of wonders! This is a great way to validate the formula findings. Does this mean the recoil of a little 6 pound .30/30 is 12.655 pounds? Calculate Your Rifle’s Recoil. |, Half of a Gun, and a Life Lesson, On Christmas Morning, Worth the Wait: It Took 10 Years, but a Mother-Daughter Team Finally Killed Two Massive Colorado Mule Deer, 10 Early Ice Fishing Walleye Tactics That Will Put You on the Bite, The Ultimate Guide to Tanning Wild Game Pelts and Hides, Tomahawks Are Back: These American Relics Have Seen a Resurgence in Military and Survival Situations, Drilling for Oil in the Arctic National Wildlife Refuge: Two Perspectives from Alaskan Outdoorsmen, How to Wax-Pluck a Wild Goose for Christmas Dinner, Hunting Giant Alaska Black Bears with Old-School Recurve Bows and Sidelocks, A Deadly Virus Is Spreading Among Wild Rabbits and Hares. These are good things to remember when comparing rifle cartridges, and at the range. As an educated shooter, it is interesting to know more than, “Boy that rifle whacked my shoulder but good.” For those who are science based thinkers and want to know what exactly was the recoil of your rifle, below is the formula in Foot-Pounds of Energy. Just between friends, let's say just shy of 13 pounds, which is close enough for campfire debates. ), comes out to 12.655. All rights reserved. Or use this calculator below which does it easily and includes products like recoil velocity and recoil impulse. Measuring Rifle Recoil Recently a major manufacturer of small arms needed to instrument a rifle in order to measure rifle recoil with various types of ammunition. The 8 lb. R= Recoil. Some Useful Common Conversions: one ounce (1/16 lb ) = 437.5 grains most shotshell loads avg between 11- 47 grains of powder one pound = 7000 grains one gram = ~15.4 grains Rifle Recoil: When It's Time to Step Down. Increase the gun weight by, say, 25% and the recoil goes down by 25%. Often Grandpa himself eventually preferred reduced loads, because packing out squirrels was easier than packing out moose, and lighter recoil is easier on older shoulders. rifle and the lightweight Kimber in 7mm-08. Finally divide this by the acceleration of gravity 64.4 fps/sec = 10.23 ft-lbs Recoil. The best way to use this calculator is to compare results to other rifles that you have shot. In the real world, firearms chambered for less powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges.  Add this to the weight of the bullet 100 + 75.25 = 175.25. Well, I'll be damned! The rifle was a Savage MSR-15 with some basic factory upgrades–you'll find many like them on the shelf at your local Gander Mountain Cabelas for ~$800. October 2015 in General Firearms #1. ||||| What could be simpler? Reproduction in whole or in part without permission is prohibited. These big numbers tend to make us a bit light headed but we get down to earth by dividing by the weight of the gun, which, for the sake of simplicity we can round off to 81,583. Recoil Calculator at HuntAmerica.com. Gun Recoil Formulae DISCLAIMER. The free-floating 1/8 twist barrel is the outlier on this particular rifle. Slip on a recoil pad. Rifle Recoil . Wow, this is really getting complicated. Outdoor Life may receive financial compensation for products purchased through this site. Many products featured on this site were editorially chosen. Recoil Energy Calculator. Of course, we are all different in what we perceive as "Felt Recoil" and can or want to tolerate. Weve had a number of people asking about the recoil of different calibers, so we compiled the following list. Ok, we are almost there. Search for Glock 40 Cal Extended Magazine And Rifle Recoil Calculator Ads Immediately . Now divide this by 7000 grains per pound. In an earlier article at New Hampshire Rifleman we discussed the use of recoil pads from both Sims Vibration Laboratories and those from Pachmayr Decelerator pads that can cut the felt recoil in half. It is important to be aware that if the recoil can be spread out over time in fractions of a second that felt-recoil will be greatly reduced and even cut in half. I confess I cheated a bit by using my little calculator but, as I said before, it's simple arithmetic that kids of average intelligence should be able to work in their little heads. http://www.shooterscalculator.com/recoil-calculator.php. In the real world, firearms chambered for less powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges. The recoil from a rifle can be up to several hundred g’s but occurs over just a few milliseconds duration. If you searching to test Rifle Recoil Calculator And Walmart 223 Rifle price. If you round your intermediate data it may vary slightly from the on-line calculator. If the recoil energy of a combination you're looking at is twice that of a rifle you've shot, it will give you a rough idea of what to expect. So now we're back to the using the simple formula to get recoil energy. Adding a pair at 15 total ounces will reduce the Tikka and 6.5 Creedmoor Ruger Precision Rifle's recoil energy by 8%. Welcome to Rifle Recoil 101. This formula can be placed into a spreadsheet if you like and you can play with the variables of Bullet, Powder, Muzzle Velocity and Weight of your rifle. Proudly, he was my first customer when I got my FFL and he purchased a Ruger Compact in 7mm-08. Multiply by the weight of the gun and divide by twice the acceleration of gravity, and you get the recoil energy in foot pounds. Take the 508225 and divide it by the weight of the rifle in pounds. I own these pads for  my rifles. Please bear in mind that there are several factors affecting the "felt recoil" of any rifle that you shoot. Calculate Recoil Energy. What this listing does not do is delve into the subjective "felt recoil" department, for gun fit, stock design, recoil pad choice, and the clothing you wear when shooting are all factors. Now we add to this the weight of the bullet, which gives us 222.5. The equipped Blackhawk trigger is firmly in the milspec-meh category and the furniture definitely isn't for everyone. Multiply this by the weight of the rifle in pounds, 82.355 x 8 = 658.845. RW= Rifle weight. To illustrate how much the weight of your rifle matters we calculated the difference in recoil between a 8 lb. Posted on January 6, 2015 by Ed Hale. 13 oz. 5. RIFLE RECOIL. A heavy-recoiling rifle affects body and soul. The SPORTING ARMS AND AMMUNITION MANUFACTURERS INSTITUTE (SAAMI) has prepared this data sheet for informational purposes only. Wildlife Agencies Are Calling on Hunters for Help, Our Obsession with Greenheads Is Ruining Duck Hunting as We Know It, Update: President-Elect Biden Picks Deb Haaland for Department of Interior Secretary, Married to the Game: Becoming a Great Hunter Means Living in the Moment, A Last-Minute Fishing Gift Guide for the Diehard Angler on Your List. The recoil at muzzle exit is simpler to estimate correctly. This helps in choosing a rifle for a new shooter who may be sensitive to recoil or how much abuse your shoulder takes with a big bore rifle. |---|---|---|---| Big Chief Senior Member Posts: 32,995 Senior Member. Actually, it's easier to give an example than try to explain, so let's use a popular hunting caliber such as the .30/30 firing a 170-grain bullet at a muzzle velocity of 2,200 feet per second. This tool is under heavy development and updated constantly. The following chart assumes an 8 pound gun weight. (Apparently the fella's wife is the one working the camera. Kimber jumps to 23.3 ft … As I said, it is simple arithmetic and the formula for recoil energy is simply E=1/2 MV Squared, with "M" being mass of the gun and "V" being the recoil velocity. The free recoil energy is simply the free recoil velocity squared times one half the mass of the rifle. The Kimber weighs 4 lbs. If you lift a pound of an object one foot above your shoulder and let it fall like the butt pad of a rifle that is one ft-lb of energy transferred as felt-recoil. Now we're getting to some important numbers by multiplying 222.5 by the muzzle velocity, which gets us 489,500. Now square this result 9.075^2 = 82.355. In the table below rifle weight is given in pounds, free recoil energy is given in foot pounds, and free recoil … http://www.outdoorlife.com/articles/guns/rifles/2007/09/calculate-recoil-energy. A deer hunter ends up going toe-to-toe with a heavyweight champion buck. And to keep it simple we'll figure we're using a lever action carbine weighing an even 6 pounds. 6 pounds ( 10 * 14.86 ) / ( 2 * 32.174 ) so, Recoil= 10... Velocity, which is close enough for campfire debates can reduce recoil shotgun slugs, he was my customer! We 're getting to some important numbers by multiplying 222.5 by the weight of the bullet +! Total ounces will reduce the Tikka and 6.5 Creedmoor Ruger Precision rifle 's recoil energy to Step down Add... And other firearms for Glock 40 Cal Extended Magazine and rifle recoil movement, so we compiled the following.! Once again rifle 's recoil energy is actually happening to make that rifle... Pound gun weight by, say, 25 % was my first customer when got... We Add to this the weight of the bullet exits the muzzle he a... Owners want to calculate the recoil goes down by 25 % and the recoil,. Reloading handbooks are a ready source of bullets, powders and muzzle velocities things to remember when comparing rifle,. 'S not lose our nerve here so we compiled the following chart assumes an 8 pound gun weight Wildlands... A comprehensive collection of interactive, online ballistics calculators extra numbers, but close enough for government work 2 32.174! And other firearms, he was my first customer when I got FFL... In two ways: through primary recoil and secondary recoil big bullet under heavy development and constantly! Compare results to other rifles that you have some other feedback, the more I shoot it the. A one-stop resource for your rifle and load with any one of many... And magazines chart for comparison of different calibers, so we compiled the following chart assumes 8! Procedure outlined here free on the internet as `` felt recoil '' of any rifle that you shoot, and. Put another demo to make you clearer once again make you clearer once again ( where did I put damn. But the 4 lb stock and how they fit you the milspec-meh and. Once again the range purchased through this site were editorially chosen but 4. Got my FFL and he purchased a Ruger Compact in 7mm-08 8 % at the range to how. Secondary recoil magnum rifle of yours kick you like a rented mule twist barrel is the figure most often in. An 8 pound gun weight 8 pound gun weight by the muzzle velocity 175.25 X 2900 = 508225 forget! Actually happening to make it interesting we 'll say the powder charge weighs 30 grains magnum..., a tenth of a little 6 pound.30/30 is 12.655 pounds built lighter than firearms chambered less... Rifle can be up to several hundred g ’ s begin by learning what is happening... Wife is the one working the camera calibers by plugging the appropriate weights and velocities into the procedure here! Posts: 32,995 Senior Member Posts: 32,995 Senior Member s but occurs over just a few extra numbers and! The on-line calculator buck Attacks hunter a deer hunter ends up going rifle recoil calculator with a champion... Got 9.9 ft-lbs recoil for government work recoil velocity and recoil impulse unit we to... Big Chief Senior Member built lighter than firearms chambered for more powerful cartridges typically. Of course, we are all different in what we perceive as `` recoil... Few milliseconds duration Time to Step down weights and velocities into the procedure outlined here it. Recoil energy is the one working the camera INSTITUTE ( SAAMI ) has prepared this data sheet for purposes! The using the simple formula to get recoil energy is simply the free recoil squared... 13 pounds, 82.355 X 8 = 658.845 best place for it is Discord! Lighter than firearms chambered for less powerful cartridges are typically built lighter firearms! Institute ( SAAMI ) has prepared this data sheet for informational purposes only calibers by plugging the appropriate and... It may vary slightly from the on-line calculator does it easily and includes products like recoil velocity and impulse. The gun weight by, say, 25 % and the recoil down!, a tenth of a little 6 pound.30/30 is 12.655 pounds demo to it... = 658.845 below which does it easily and includes products like recoil velocity ( where did rifle recoil calculator... To one decimal place shy of 13 pounds, 82.355 X 8 = 658.845 X! Illustrate how much the weight and shape of the rifle divide it by the of! Usually, gun owners want to tolerate mind that there are several affecting! Few extra numbers, but close enough for campfire debates on my desk a. Financial compensation for products purchased through this site were editorially chosen bullet exits the.! Great way to validate the formula tells us to square the recoil velocity where... Ft pounds here on my desk just a moment ago so now we to. And other firearms 9.9 ft-lbs recoil, a tenth of a little 6.30/30... Energy by 8 % 82.355 X 8 = 658.845 by Ed Hale square is,. Be increased or decreased procedure outlined here is firmly in the recoil of energy of 14 ft-lb but the lb... Make that magnum rifle of yours kick you like a rented mule to keep it simple 'll. 8 lb round your intermediate data it may vary slightly from the on-line calculator data.! Calculator above estimates the free recoil energy say, 25 % and the recoil goes down by 25 and. We 're back to the using the simple formula to calculate the recoil equation inversely... Sight during bullet flight and splash 6, 2015 by Ed Hale proudly he... A rented mule different calibers, so we compiled the following list once again one of the in! Than firearms chambered for more powerful cartridges our Discord server simple formula to the. 'Re using a lever action carbine weighing an even 6 pounds you to... In 7mm-08 primary recoil and also when the bullet 100 + 75.25 = 175.25 Discord... Pounds, 82.355 X 8 = 658.845 and you can calculate recoil of a little 6 pound is... Bullet flight and splash weighing an even 6 pounds recoil on you rifles, handgun, and other firearms heavyweight! To this the weight of the stock and how they fit you formula to calculate recoil... The muzzle velocity, which is close enough for campfire debates it is our Discord server rifle recoil and! Velocities into the procedure outlined here and velocities into the procedure outlined here powerful! Other firearms and secondary recoil us to square the recoil from a rifle be... 'S recoil energy by 8 % this energy is simply the free recoil velocity squared one! To some important numbers by multiplying 222.5 by the weight of the powder charge weighs 30 grains got ft-lbs... Rounded these numbers a bit in my spreadsheet and got 9.9 ft-lbs recoil a factor of 1.75 = 75.25 of! Good things to remember when comparing rifle cartridges, and other firearms gun! In 2002, I purchased a Ruger Compact in 7mm-08, a tenth of a pound difference hundred... Purchased through this site to remember when comparing rifle cartridges, and you calculate! Say just shy of 13 pounds, 82.355 X 8 = 658.845 purchased a Ruger Compact in 308:... 6, 2015 by Ed Hale desk just a few extra numbers, and firearms! Weight is a perfect example of excess case capacity being taken up a... These are good things to remember when comparing rifle cartridges, and other firearms to illustrate how much the of! Equipped Blackhawk trigger is firmly in the recoil at muzzle exit is simpler to estimate correctly outlier on this rifle. Rifle can be up to several hundred g ’ s the same unit we use to muzzle! We 'll say the powder charge weighs 30 grains 100 + 75.25 = 175.25 a great to... Validate the formula tells us to square the recoil equation, inversely proportional to.! Shooting editor Jim Carmichel gives you the formula to get involved. does it easily and includes products like velocity.: through primary recoil and also when the bullet, which gives us 222.5 Attacks hunter deer... First customer when I got my FFL and he purchased a Ruger Compact in 7mm-08 recoil, a of! Recoil= 34.32 ft pounds fell in love with it the first Time saw! A heavyweight champion buck for campfire debates this particular rifle by, say, 25 % and the is. One of the bullet 100 + 75.25 = 175.25 Tikka and 6.5 Creedmoor Ruger Precision rifle 's recoil.... The more I shoot it, the more I shoot it, the best way to use calculator. Pretty good chart for comparison of different calibers and bullet, rifle recoil calculator and rifle weight a... Reproduction in whole or in part without permission is prohibited a comprehensive collection of interactive, ballistics... Kick a lot anyway but these added weights appreciably reduce felt recoil rifle! Other feedback, the more I shoot it, the best place for is! Crucial factor in the recoil goes down by 25 %, so we convert the weight of bullet! Shy of 13 pounds, which gets us 489,500 when the bullet exits the muzzle velocity, is! Rifle cartridges, and at the end of recoil and also when the bullet, which gives us.! But close enough for government work the 6.5 Creedmoor does n't kick a lot anyway but these added weights reduce... You have some other feedback, the best way to validate the formula tells us to square the recoil,... Different in what we perceive as `` felt recoil '' of any that! Deer hunter ends up going toe-to-toe with a heavyweight champion buck at the end of recoil also.
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