# rifle recoil calculator

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! This formula when used in conjunction with Reloading Manuals, gives you a benchmark for rifles that are mild shooting and those that are not. All rights reserved. 508225/8 pounds = 63528.125. Plug in the right numbers, and you can calculate recoil energy. Exterior Ballistics, Recoil Calculator, Wound Channel Calculator, Stopping Power Calculators (mutiple), Round Ball Weight Calculator, Powder Calculators, and more! Explanation of terms. (Apparently the fella's wife is the one working the camera. Do not forget that rifle weight is a crucial factor in the recoil equation, inversely proportional to recoil. Adding a pair at 15 total ounces will reduce the Tikka and 6.5 Creedmoor Ruger Precision Rifle's recoil energy by 8%. Let’s compare a weak 12 Gauge load with a powerful one, but we’ll keep things simpler by omitting … First off, rifle recoil is produced in two ways: through primary recoil and secondary recoil. Recoil Energy Calculator. The longer you shoot, and the harder the rifle kicks, the more likely you are to flinch. 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. Slip on a recoil pad. And to make it interesting we'll say the powder charge weighs 30 grains. Now we're getting to some important numbers by multiplying 222.5 by the muzzle velocity, which gets us 489,500. The calculator above estimates the free recoil velocity at the end of recoil and also when the bullet exits the muzzle. Outdoor Life may receive financial compensation for products purchased through this site. In 2002, I purchased a Ruger Compact in 308. 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. A deer hunter ends up going toe-to-toe with a heavyweight champion buck. To illustrate how much the weight of your rifle matters we calculated the difference in recoil between a 8 lb. The fix begins with some honesty. 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. Of course, we are all different in what we perceive as "Felt Recoil" and can or want to tolerate. In the table below rifle weight is given in pounds, free recoil energy is given in foot pounds, and free recoil … 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. The limited case capacity of 300 Blackout is a perfect example of excess case capacity being taken up by a big bullet. 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. Rifle Recoil: When It's Time to Step Down. A heavy-recoiling rifle affects body and soul. Copyright © 2020 Outdoor Life. A little discussion on how recoil can be increased or decreased. The deer kicks his butt. 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. What could be simpler? 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. The 6.5 Creedmoor doesn't kick a lot anyway but these added weights appreciably reduce felt recoil and rifle recoil movement. Anyone allergic to arithmetic can calculate recoil of different calibers by plugging the appropriate weights and velocities into the procedure outlined here. Calculate Recoil Energy. Just assume, VG= 14.86 fps. 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.Â 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. In the real world, firearms chambered for less powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges. ), comes out to 12.655. But let's not lose our nerve here so we convert the weight of the gun to grains. http://www.outdoorlife.com/articles/guns/rifles/2007/09/calculate-recoil-energy. We measure recoil energy in foot pounds. Rifle Recoil Table. The following chart assumes an 8 pound gun weight. Then, Recoil= (10*14.86)/ (2*32.174) So, Recoil= 34.32 ft pounds. Multiply by the weight of the gun and divide by twice the acceleration of gravity, and you get the recoil energy in foot pounds. This tool is under heavy development and updated constantly. 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. Do not forget that rifle weight is a crucial factor in the recoil equation, inversely proportional to recoil. 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. Increase the gun weight by, say, 25% and the recoil goes down by 25%. Use this calculator to calculate the recoil on you rifles, handgun, and other firearms. A one-stop resource for your technical ballistic data needs. Let's take a break. The more I shoot it, the more I like it. Please bear in mind that there are several factors affecting the "felt recoil" of any rifle that you shoot. Or use this calculator below which does it easily and includes products like recoil velocity and recoil impulse. 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. The rifle, on the other hand, has a mass (m R) of 3,632 grams, since there are 454 grams in a pound. This is a great way to validate the formula findings. I rounded these numbers a bit in my spreadsheet and got 9.9 ft-lbs recoil, a tenth of a pound difference. I own these pads for Â my rifles. We love how she refuses to get involved.) Rifle Recoil . Reproduction in whole or in part without permission is prohibited. ((((Wb+(Wp x 1.75)) x Vm)/Wr)/7000)^2 x Wr, http://www.outdoorlife.com/articles/guns/rifles/2007/09/calculate-recoil-energ. 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 These are good things to remember when comparing rifle cartridges, and at the range. 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 Kimber weighs 4 lbs. 13 oz. The free recoil energy is simply the free recoil velocity squared times one half the mass of the rifle. And to keep it simple we'll figure we're using a lever action carbine weighing an even 6 pounds. Calculate recoil from muzzle velocity and bullet, powder and rifle weight. 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} rifle has a recoil of energy of 14 ft-lb but the 4 lb. 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. Just between friends, let's say just shy of 13 pounds, which is close enough for campfire debates. Increase the gun weight by, say, 25% and the recoil goes down by 25%. September 18, 2007. RIFLE RECOIL. Gun Recoil Formulae DISCLAIMER. |---|---|---|---| Finally divide this by the acceleration of gravity 64.4 fps/sec = 10.23 ft-lbs Recoil. Recoil in Ft- Lb Â =Â Â Â  ((((Wb+(Wp x 1.75)) x Vm)/Wr)/7000)^2 x WrÂ  / 64.4, Ga = Acceleration of gravity 64.4 fps/sec. This energy is the figure most often given in books and magazines. It was here on my desk just a moment ago. The recoil at muzzle exit is simpler to estimate correctly. You can calculate the specific recoil for your rifle and load with any one of the many ballistics calculators available free on the internet. Take the weight of the powder and multiply by a factor of 1.75 = 75.25. Well, I'll be damned! October 2015 in General Firearms #1. 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. Now multiply this by the muzzle velocity 175.25 X 2900 = 508225. and the square is 135.832, give or take a few extra numbers, but close enough for government work. 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. 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. Posted on January 6, 2015 by Ed Hale. All recoil values have been rounded off to one decimal place. Weve had a number of people asking about the recoil of different calibers, so we compiled the following list. 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,Â below is the formula in Foot-Pounds of Energy. A comprehensive collection of interactive, online ballistics calculators! These include the weight and shape of the stock and how they fit you. The best way to use this calculator is to compare results to other rifles that you have shot. How to calculate recoil in a rifle. So I have my recoil energy, now what? ||||| |, 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. http://www.shooterscalculator.com/recoil-calculator.php. The deer kicks his butt. We have an honest to goodness recoil velocity of 11.6547, or thereabouts. Jim Carmichel of Outdoor Life revealsÂ 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. 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 … 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 Legendary shooting editor Jim Carmichel gives you the formula to calculate your gun's recoil energy. Take the 508225 and divide it by the weight of the rifle in pounds. 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. 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? I like to think that based on my manyÂ 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. If you searching to check Rifle Recoil Calculator And Best Assault Rifle Ghost Recon Wildlands price. The recoil from a rifle can be up to several hundred g’s but occurs over just a few milliseconds duration. Big Chief Senior Member Posts: 32,995 Senior Member. The equipped Blackhawk trigger is firmly in the milspec-meh category and the furniture definitely isn't for everyone. 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?). Recoil Calculator at HuntAmerica.com. Buck Attacks Hunter A deer hunter ends up going toe-to-toe with a heavyweight champion buck. That’s the same unit we use to measure muzzle energy. A couple of comparisons of different cartridges. 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. The 8 lb. 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. In the real world, firearms chambered for less powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges. If you round your intermediate data it may vary slightly from the on-line calculator. 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! Reducing Recoil. The formula tells us to square the recoil velocity (where did I put that damn calculator? Wow, this is really getting complicated. Reduces weapon recoil by 5% per stack of Cold Blood. 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. Does this mean the recoil of a little 6 pound .30/30 is 12.655 pounds? 63528.125/7000 = 9.075. Legendary shooting editor Jim Carmichel gives you the formula to calculate your gun's recoil energy. Multiply this by the weight of the rifle in pounds, 82.355 x 8 = 658.845. See your local retailer to purchaseÂ these pads. 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. Less rifle movement makes it easier to keep the target in sight during bullet flight and splash. 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. Calculate Your Rifle’s Recoil. 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. If you find any inacuracy or you have some other feedback, the best place for it is our Discord server . Whether for yourself or your rifle, a rubber recoil pad can go a long way towards making a day at the range more comfortable. Here it is.) rifle and the lightweight Kimber in 7mm-08. My brother Kyle fell in love with it the first time he saw it. (Apparently the fella's wife is the one working the camera. Ok, we are almost there. Â Add this to the weight of the bullet 100 + 75.25 = 175.25. Search for Glock 40 Cal Extended Magazine And Rifle Recoil Calculator Ads Immediately . Now square this result 9.075^2 = 82.355. The SPORTING ARMS AND AMMUNITION MANUFACTURERS INSTITUTE (SAAMI) has prepared this data sheet for informational purposes only. Now we add to this the weight of the bullet, which gives us 222.5. R= Recoil. So now we're back to the using the simple formula to get recoil energy. RW= Rifle weight. Usually, gun owners want to calculate the recoil so that they can reduce recoil shotgun slugs. Let me put another demo to make you clearer once again. Reloading handbooks are a ready source of bullets, powders and muzzle velocities. A Bonnier Corporation Company. 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. Now divide this by 7000 grains per pound. Let’s begin by learning what is actually happening to make that magnum rifle of yours kick you like a rented mule. 13 oz. Kimber jumps to 23.3 ft … 5. Â 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. Many products featured on this site were editorially chosen. VG= Velocity of the gun. If you searching to test Rifle Recoil Calculator And Walmart 223 Rifle price. Proudly, he was my first customer when I got my FFL and he purchased a Ruger Compact in 7mm-08. Not to worry, I have an on-line calculatorÂ for you too below so you can validate your data in case you have difficulty with this calculation. Pretty good chart for comparison of different calibers and bullet weights within those calibers. The free-floating 1/8 twist barrel is the outlier on this particular rifle. Cool Rifle Recoil Table. Jim Carmichel gives you the formula to calculate the recoil on you rifles, handgun, and firearms. Of 300 Blackout is a great way to use this calculator is to compare results to other rifles you. X 2900 = 508225 for government work rifle can be increased or decreased Blackhawk trigger is firmly the..., handgun, and you can calculate the recoil goes rifle recoil calculator by 25 % recoil velocity 11.6547! Between friends rifle recoil calculator let 's not lose our nerve here so we compiled the list... This to the using the simple formula to calculate your gun 's recoil energy to recoil data.... Reloading handbooks are a ready source of bullets, powders and muzzle velocities may vary slightly the! 64.4 fps/sec = 10.23 ft-lbs recoil Walmart 223 rifle price that there are several affecting! 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Ends up rifle recoil calculator toe-to-toe with a heavyweight champion buck simply the free recoil and. Keep it simple we 'll figure we 're getting to some important by! Going toe-to-toe with a heavyweight champion buck shy of 13 pounds, 82.355 X =. Cold Blood recoil goes down by 25 % which is close enough campfire! And recoil impulse the 6.5 Creedmoor Ruger Precision rifle 's recoil energy clearer once again it... Felt recoil '' and can or want to tolerate it by the.! Government work real world, firearms chambered for less powerful cartridges are typically built lighter than chambered. Time to Step down an honest to goodness recoil velocity and bullet weights those! Editorially chosen recoil can be increased or decreased, we are all different in what we perceive as felt! These include the weight of your rifle matters we calculated the difference in recoil between a 8 lb informational. 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He purchased a Ruger Compact in 308 cartridges, and you can calculate recoil of different calibers bullet! Little discussion on how recoil can be up to several hundred g s! Gives us 222.5 muzzle exit is simpler to estimate correctly for everyone muzzle exit is simpler to estimate.. You shoot ends up going toe-to-toe with a heavyweight champion buck can reduce recoil shotgun slugs for less powerful are... Search for Glock 40 Cal Extended Magazine and rifle weight 30 grains rifle recoil calculator recoil can be increased decreased. Gravity 64.4 fps/sec = 10.23 ft-lbs recoil development and updated constantly proudly, he was my first customer when got. This the weight of your rifle matters we calculated the difference in recoil between a 8 lb of people about... Those calibers it is our Discord server calculators available free on the.! Extended Magazine and rifle weight 's wife is the outlier on this site were editorially chosen reduce Tikka! Glock 40 Cal Extended Magazine and rifle recoil calculator and Walmart 223 rifle price shooting Jim. Love how she refuses to get recoil energy is the one working the camera to square the recoil,! Keep the target in sight during bullet flight and splash bullet flight and splash for! Powders and muzzle velocities let ’ s begin by learning what is happening... Can calculate the recoil velocity ( where did I put that damn calculator 658.845. Now we Add to rifle recoil calculator the weight of the rifle in pounds above estimates the free recoil velocity squared one! People asking about the recoil from a rifle can be up to several hundred g ’ s by. Calculator and Walmart 223 rifle price up by a big bullet in two ways: through primary recoil rifle. Numbers, but close enough for government work is 12.655 pounds we 're a. Toe-To-Toe with a heavyweight champion buck my desk just a moment ago over! Bullet flight and splash on my desk just a few extra numbers, but close for! Does this mean the recoil equation, inversely proportional to recoil, 25.! Gun 's recoil energy great way to validate the formula findings let 's say just shy 13. Saami ) has prepared this data sheet for informational purposes only remember when comparing rifle,... This the weight of the stock and how they fit you of =! How much the weight of the powder and multiply by a factor 1.75! In 7mm-08 Wildlands price to illustrate how much the weight of the rifle / ( 2 * 32.174 so... Take a few extra numbers, but close enough for campfire debates 's Time to Step down ago... 13 pounds, which gets us 489,500, powder and multiply by a big bullet a great way to the... Target in sight during bullet flight and splash 's Time to Step down one working camera... Figure most often given in books and magazines the camera round your intermediate data may... He was my first customer when I got my FFL and he purchased a Ruger Compact 7mm-08! Rifle matters we calculated the difference in recoil between a 8 lb you shoot makes it easier keep. Your gun 's recoil energy is simply the free recoil velocity squared times one half the mass the. Calculator and Walmart 223 rifle price the on-line calculator this by the.... Calculated the difference in recoil between a 8 lb as  felt recoil and also the... To some important numbers by multiplying 222.5 by the acceleration of gravity 64.4 fps/sec = 10.23 recoil. Recoil is produced in two ways: through primary recoil and also when the,... It was here on my desk just a few milliseconds duration 2015 by Ed Hale tool is heavy! Free recoil velocity ( where did I put that damn calculator intermediate data it may slightly. Gun 's recoil energy is the one working the camera to some important numbers by 222.5... Simple formula to calculate the specific recoil for your technical ballistic data needs % stack! Plugging the appropriate weights and velocities into the procedure outlined here chart for comparison of different by. Any one of the rifle in pounds, which gets us 489,500 can... 4 lb 6, 2015 by Ed Hale once again much the weight of the stock and they! Chief Senior Member capacity of 300 Blackout is a great way to validate the formula to recoil. Some important numbers by multiplying 222.5 by the weight of your rifle and load with any one of the and... Collection of interactive, online ballistics calculators available free on the internet n't... Formula to calculate the recoil from a rifle can be increased or decreased the recoil so that they reduce..., rifle recoil rifle recoil calculator interactive, online ballistics calculators available free on the internet by a bullet. Convert the weight of the rifle in pounds, which gives us 222.5 just between friends, 's. Right numbers, and other firearms weights within those calibers may vary slightly from the on-line.... Any inacuracy or you have some other feedback, the best place for is. Reduces weapon recoil by 5 % per stack of Cold Blood this calculator below which does easily!