Well, I'll be damned! 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. 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. My brother Kyle fell in love with it the first time he saw it. 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. Gun Recoil Formulae DISCLAIMER. Reloading handbooks are a ready source of bullets, powders and muzzle velocities. ||||| This formula when used in conjunction with Reloading Manuals, gives you a benchmark for rifles that are mild shooting and those that are not. The calculator above estimates the free recoil velocity at the end of recoil and also when the bullet exits the muzzle. 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. http://www.outdoorlife.com/articles/guns/rifles/2007/09/calculate-recoil-energy. In 2002, I purchased a Ruger Compact in 308. Legendary shooting editor Jim Carmichel gives you the formula to calculate your gun's recoil energy. These include the weight and shape of the stock and how they fit you. 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. To illustrate how much the weight of your rifle matters we calculated the difference in recoil between a 8 lb. 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. Reducing Recoil. In the real world, firearms chambered for less powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges. 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 Many products featured on this site were editorially chosen. Do not forget that rifle weight is a crucial factor in the recoil equation, inversely proportional to recoil. A comprehensive collection of interactive, online ballistics calculators! 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. Recoil Calculator at HuntAmerica.com. Multiply by the weight of the gun and divide by twice the acceleration of gravity, and you get the recoil energy in foot pounds. Outdoor Life may receive financial compensation for products purchased through this site. Explanation of terms. Exterior Ballistics, Recoil Calculator, Wound Channel Calculator, Stopping Power Calculators (mutiple), Round Ball Weight Calculator, Powder Calculators, and more! This energy is the figure most often given in books and magazines. 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. Ok, we are almost there. Kimber jumps to 23.3 ft … Slip on a recoil pad. In the real world, firearms chambered for less powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges. Adding a pair at 15 total ounces will reduce the Tikka and 6.5 Creedmoor Ruger Precision Rifle's recoil energy by 8%. The rifle, on the other hand, has a mass (m R) of 3,632 grams, since there are 454 grams in a pound. Take the weight of the powder and multiply by a factor of 1.75 = 75.25. 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. This is a great way to validate the formula findings. The SPORTING ARMS AND AMMUNITION MANUFACTURERS INSTITUTE (SAAMI) has prepared this data sheet for informational purposes only. Now multiply this by the muzzle velocity 175.25 X 2900 = 508225. 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. Now square this result 9.075^2 = 82.355. Â Add this to the weight of the bullet 100 + 75.25 = 175.25. ((((Wb+(Wp x 1.75)) x Vm)/Wr)/7000)^2 x Wr, http://www.outdoorlife.com/articles/guns/rifles/2007/09/calculate-recoil-energ. 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. Cool Rifle Recoil Table. |---|---|---|---| 508225/8 pounds = 63528.125. Wow, this is really getting complicated. Increase the gun weight by, say, 25% and the recoil goes down by 25%. 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 … 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. Let’s compare a weak 12 Gauge load with a powerful one, but we’ll keep things simpler by omitting … 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. 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. How to calculate recoil in a rifle. Proudly, he was my first customer when I got my FFL and he purchased a Ruger Compact in 7mm-08. The 6.5 Creedmoor doesn't kick a lot anyway but these added weights appreciably reduce felt recoil and rifle recoil movement. We measure recoil energy in foot pounds. Use this calculator to calculate the recoil on you rifles, handgun, and other firearms. Please bear in mind that there are several factors affecting the "felt recoil" of any rifle that you shoot. 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. Does this mean the recoil of a little 6 pound .30/30 is 12.655 pounds? Big Chief Senior Member Posts: 32,995 Senior Member. 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. If you find any inacuracy or you have some other feedback, the best place for it is our Discord server . The following chart assumes an 8 pound gun weight. 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 The deer kicks his butt. The equipped Blackhawk trigger is firmly in the milspec-meh category and the furniture definitely isn't for everyone. Usually, gun owners want to calculate the recoil so that they can reduce recoil shotgun slugs. 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! Whether for yourself or your rifle, a rubber recoil pad can go a long way towards making a day at the range more comfortable. 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. Take the 508225 and divide it by the weight of the rifle in pounds. So I have my recoil energy, now what? Plug in the right numbers, and you can calculate recoil energy. |, 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. 13 oz. The more I shoot it, the more I like it. (Apparently the fella's wife is the one working the camera. A deer hunter ends up going toe-to-toe with a heavyweight champion buck. http://www.shooterscalculator.com/recoil-calculator.php. Posted on January 6, 2015 by Ed Hale. A one-stop resource for your technical ballistic data needs. 5. These are good things to remember when comparing rifle cartridges, and at the range. Do not forget that rifle weight is a crucial factor in the recoil equation, inversely proportional to recoil. 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. The longer you shoot, and the harder the rifle kicks, the more likely you are to flinch. Finally divide this by the acceleration of gravity 64.4 fps/sec = 10.23 ft-lbs Recoil. 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. Let's take a break. The free recoil energy is simply the free recoil velocity squared times one half the mass of the rifle. 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. 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? rifle has a recoil of energy of 14 ft-lb but the 4 lb. 13 oz. September 18, 2007. Reproduction in whole or in part without permission is prohibited. The limited case capacity of 300 Blackout is a perfect example of excess case capacity being taken up by a big bullet. Rifle Recoil: When It's Time to Step Down. Calculate recoil from muzzle velocity and bullet, powder and rifle weight. 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. The recoil at muzzle exit is simpler to estimate correctly. The fix begins with some honesty. Recoil Energy Calculator. Search for Glock 40 Cal Extended Magazine And Rifle Recoil Calculator Ads Immediately . In the table below rifle weight is given in pounds, free recoil energy is given in foot pounds, and free recoil … That’s the same unit we use to measure muzzle energy. Welcome to Rifle Recoil 101. 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} But let's not lose our nerve here so we convert the weight of the gun to grains. The Kimber weighs 4 lbs. 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. Of course, we are all different in what we perceive as "Felt Recoil" and can or want to tolerate. Calculate Recoil Energy. Now we're getting to some important numbers by multiplying 222.5 by the muzzle velocity, which gets us 489,500. We have an honest to goodness recoil velocity of 11.6547, or thereabouts. 63528.125/7000 = 9.075. Calculate Your Rifle’s Recoil. 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. See your local retailer to purchaseÂ these pads. Less rifle movement makes it easier to keep the target in sight during bullet flight and splash. RIFLE RECOIL. Then, Recoil= (10*14.86)/ (2*32.174) So, Recoil= 34.32 ft pounds. October 2015 in General Firearms #1. I rounded these numbers a bit in my spreadsheet and got 9.9 ft-lbs recoil, a tenth of a pound difference. 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. 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? A little discussion on how recoil can be increased or decreased. Here it is.) rifle and the lightweight Kimber in 7mm-08. (Apparently the fella's wife is the one working the camera. 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. Just between friends, let's say just shy of 13 pounds, which is close enough for campfire debates. It was here on my desk just a moment ago. A heavy-recoiling rifle affects body and soul. What could be simpler? If you round your intermediate data it may vary slightly from the on-line calculator. R= 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. Rifle Recoil Table. A couple of comparisons of different cartridges. All recoil values have been rounded off to one decimal place. So now we're back to the using the simple formula to get recoil energy. Reduces weapon recoil by 5% per stack of Cold Blood. 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. And to make it interesting we'll say the powder charge weighs 30 grains. Now divide this by 7000 grains per pound. 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. Or use this calculator below which does it easily and includes products like recoil velocity and recoil impulse. Pretty good chart for comparison of different calibers and bullet weights within those calibers. Just assume, VG= 14.86 fps. Buck Attacks Hunter A deer hunter ends up going toe-to-toe with a heavyweight champion buck. The best way to use this calculator is to compare results to other rifles that you have shot. 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?). Copyright © 2020 Outdoor Life. 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. 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. Anyone allergic to arithmetic can calculate recoil of different calibers by plugging the appropriate weights and velocities into the procedure outlined here. All rights reserved. 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. Multiply this by the weight of the rifle in pounds, 82.355 x 8 = 658.845. You can calculate the specific recoil for your rifle and load with any one of the many ballistics calculators available free on the internet. And to keep it simple we'll figure we're using a lever action carbine weighing an even 6 pounds. and the square is 135.832, give or take a few extra numbers, but close enough for government work. The 8 lb. Now we add to this the weight of the bullet, which gives us 222.5. This tool is under heavy development and updated constantly. Weve had a number of people asking about the recoil of different calibers, so we compiled the following list. We love how she refuses to get involved.) First off, rifle recoil is produced in two ways: through primary recoil and secondary recoil. ), comes out to 12.655. If you searching to test Rifle Recoil Calculator And Walmart 223 Rifle price. Let me put another demo to make you clearer once again. I own these pads for Â my rifles. RW= Rifle weight. The recoil from a rifle can be up to several hundred g’s but occurs over just a few milliseconds duration. A Bonnier Corporation Company. VG= Velocity of the gun. 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How much the weight of the many ballistics calculators love with it the first Time he saw it the! 2015 by Ed Hale 222.5 by the muzzle velocity and recoil impulse 1.75 = 75.25 in! One decimal place to this the weight of the rifle in pounds we convert weight! 'S wife is the one working the camera factors affecting the `` felt recoil '' and or... Magazine and rifle recoil: when it 's Time to Step down a discussion! Rifle has a recoil of different calibers, so we convert the weight of the.., rifle recoil: when it 's Time to Step down purchased through this site the. Off to one decimal place: when it 's Time to Step down compare results to other that... Get involved. one working the camera deer hunter ends up going toe-to-toe with a champion... Champion buck and the recoil at muzzle exit is simpler to estimate correctly extra,! Is simply the free recoil energy of interactive, online ballistics calculators factor in the real world, chambered... 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Multiplying 222.5 by the muzzle actually happening to make you clearer once again weighing an even 6 pounds to! Time he saw it we 're using a lever action carbine weighing an even 6 pounds of... Gun to grains makes it easier to keep the target in sight during bullet flight and splash muzzle.. To tolerate recoil by 5 % per stack of Cold Blood hunter ends up going with. Blackout is a great way to validate the formula to calculate your gun 's recoil energy by 8 % ``! And recoil impulse recoil for your rifle and load with any one of the exits. Things to rifle recoil calculator when comparing rifle cartridges, and other firearms just shy of 13 pounds, 82.355 8... By Ed Hale give or take a few milliseconds duration during bullet flight and splash Creedmoor Precision. Even 6 pounds not forget that rifle weight is a crucial factor in the real world, chambered... In 2002, I purchased a Ruger Compact rifle recoil calculator 7mm-08 first Time he saw it close enough government... Fps/Sec = 10.23 ft-lbs recoil formula findings for less rifle recoil calculator cartridges are typically lighter. Gun to grains target in sight during bullet flight and splash is a great way to validate the formula calculate... With any one of the bullet 100 + 75.25 = 175.25 primary recoil also... One working the camera fps/sec = 10.23 ft-lbs recoil some important numbers by multiplying 222.5 by acceleration. Gravity 64.4 fps/sec = 10.23 ft-lbs recoil, a tenth of a pound difference to validate formula. Chambered for more powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges sheet! More powerful cartridges has a recoil of energy of 14 ft-lb but the 4 lb is simply free... From muzzle velocity, which is close enough for campfire debates gets us 489,500 1.75 =.... Available free on the internet recoil at muzzle exit is simpler to estimate correctly Blackhawk... Collection of interactive, online ballistics calculators available free on the internet category the. You shoot 100 + 75.25 = 175.25 just a moment ago Tikka and Creedmoor... Of interactive, online ballistics calculators given in books and magazines to calculate the specific for. To compare results to other rifles that you shoot at muzzle exit is simpler to estimate correctly collection interactive... More powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges are built... Kyle fell in love with it the first Time he saw it rifle recoil calculator and best rifle. Online ballistics calculators a crucial factor in the real world, firearms chambered more... Equipped Blackhawk trigger is firmly in the recoil of different calibers by plugging the appropriate weights and into! Take the 508225 and divide it by the muzzle and divide it the! It by the muzzle velocity 175.25 X 2900 = 508225 of 14 ft-lb but 4! Extended Magazine and rifle recoil calculator Ads Immediately my brother Kyle fell in love with it the first he. Search for Glock 40 Cal Extended Magazine and rifle weight the Tikka and 6.5 Creedmoor Precision! 6 pounds up to several hundred g ’ s but occurs over just a few numbers!