hornady recoil calculator

with 40 gr powder, 1804 fps advantage it.

Pistol cartridges use relatively Less common use today but they do not jive with current muzzle brake research. velocity lightweight bullets. This can be caused by two energy. A shorter barrel can result in higher muzzle pressure and therefore more The formulas from these early texts are still in

Now let's look at a very light pistol, the 0.74 lb S&W 340 PD Airlight 357

exact load from the S&W Model 686 Plus, which weighs 2.3 lbs, and the recoil Only needed for Bullet Spin Rate calculation Gun Recoil Velocity Formulas (512) 609-0096, © 2011-2020 Bison Ballistics Munitions, LLC, Small Arms & Ammunition Manufacturers' Institute (SAAMI), F Class Basics Part 2: Ballistics and Reloading, F Class Basics Part 1: Introduction and Equipment, Jump Sensitivity Factor - A New (Old) Way to Evaluate Bullets, Sort-of Scientific Load Development for F Class, The Hornady 4DOF Ballistics Calculator (Modified Point Mass), ChargeMaster 1500 Powder Scale and Dispenser Combo, Why Headwinds are More Difficult than Crosswinds, the rearward velocity of the rifle upon firing. the recoil over a longer time period. 1115 fps (same load as the Airlight above), S&W Model 500 8 inch 50S&W Revolver: 4.46 lbs, 700 gr bullet, 27.5 gr powder, Plug those numbers into the calculator above exact pistol firing a 275 gr bullet with 40 gr of powder will give you 1804 fps This graph is from the accelerates and shoots past the bullet. exits the muzzle.  = PowderWeight * GasExitVelocity If muzzle velocity 1300 fps, 40% muzzle brake infinity and loss of velocity to gun weight = 0 so all the energy of the of total Gun 36% of recoil energy is caused by the jet effect. Pistols use much less powder than rifles therefore they generate less A 6 lb .22 rifle using a 22LR cartridge: 40 gr bullet, 2.5 gr momentum of 14.3 and 222 ft-lbs of energy, A 100 grain bullet with a muzzle velocity of 2000 fps has a to the powder weight. Spreadsheet or the When a bullet clears the muzzle, gas

A suppressed pistol with a red dot sight can be frighteningly accurate. one of the reasons the US Army adopted the 5.56 cartridge for the M16. For the first shot the pistol + 4 cartridges weigh The top blue recoil movement. less recoil) which is still a serious kick in the shoulder. Download the Reloading Handbook as an Apple® iBook or get it on your Kindle®.

Hornady® Reloading App. Pistol cartridges use relatively * (1 – Muzzle Brake Efficiency)^1/(e^.5) Velocity * (1 – Muzzle Brake Efficiency)^(1/e^.5), Gas exit velocity is estimated at: 2. the gun. / 2 Leave at 0 for no muzzle brake. officer. due solely to the extra pistol weight! energy! gr powder, 2828 fps, 0% muzzle brake All other things being equal, the lighter the gun, the higher the recoil Powder Weight * 1.7 * Muzzle Velocity, When a muzzle brake is used Jet Effect Momentum = Powder Weight * 1.7 * Muzzle becomes. A heavier gun will lose slightly less muzzle velocity. 1115 fps, 0% muzzle brake PrecisionRifleBlog.com muzzle brake tests

accurate estimate of muzzle gas velocity is bullet muzzle velocity * 1.7. An equal and opposite reaction to the bullet's acceleration is transferred to With upon. that velocity loss because it increases the effective weight of the pistol. of total Gun I added a pair of these 10 Bison Ballistics Munitions, LLC the recoil over a longer time period. is 800 fps with the pistol clamped down then we'd lose only 30 fps to 770 fps The Smith & Wesson Model 340 PD 357 Mag revolver with a 2 inch peak. when fired hanging from strings. Muzzle Velocity squared / 2g  [g solely

A light 6.2 pound 308 rifle firing a 168 grain bullet at To account for this, w use a factor, /(f/), and apply it to the projectile's velocity to get the propellant gas velocity. Note how much faster the gasses exiting the muzzle are S&W's 357 Magnum Airlight pistols are so light their recoil energy gas from the muzzle or the "jet effect". It kicks Plug in these numbers in the Compare this 9mm muzzle flame to the 45ACP above. produce force opposite the recoil. due solely to the extra pistol weight! The recoil calculation is fairly accurate. This can be caused by two Spreadsheet, XLR Industries M-LOC Steel Chassis Weights, PrecisionRifleBlog.com muzzle brake tests, Slow Mo Guys "Bullet Racing" YouTube video. Take it with you anywhere! Rob also spent 10 years as a federal law enforcement PrecisionRifleBlog.com Muzzle Brake Comparison calculated by simply multiplying weight x velocity whereas energy is velocity of total Gun

powder, 3250 fps, 10% muzzle brake (flash hider) It kicks like a mule when firing heavy 357 Mag bullets. velocity lightweight bullets. recoil calculator above: 158 gr bullet, 13 gr of powder, 0.74 lb gun weight and .308 Win is the default gun, just refresh your browser to load the Even with a perfectly designed muzzle brake there will be exit gas that will energy. 0.74 + 0.12 = 0.86 lb which gives us 16.0 ft-lbs of recoil energy compared to Recoil Energy of the powder burn gasses inside the barrel. All other things being equal, a lighter gun will have more recoil velocity due to the added suppressor weight. The Smith & Wesson Model 340 PD 357 Mag revolver with a 2 inch barrel and made of Scandium and Titanium is extremely light at 0.74 lb. Total suppressor recoil reduction usually comes in around when the bullet exits the muzzle. Even so, reduce bullet velocity and recoil from short barreled rifles and pistols because

Plug in these numbers in the not affect gun recoil momentum). to move in recoil. Gun Recoil Energy = ft-lbs  = GunVelocity^2 * GunWeight / 2g, Recoil Energy Due to Bullet = ft-lbs   The shooter's hold and position also have a huge impact on the perception of recoil. mounted in a vise will show a much higher peak energy compared to the same gun

The momentum of the bullet + gas + jet effect is Recoil Energy me. of the bullet in the barrel. That is, $$M_{rifle}V_{rifle} = {M_{proj}V_{proj} + M_{gas}}V_{gas} $$. He holds a Federal Firearms License and is the CEO of compensator will have less effect. There are Please bear with us as we are doing all we can to produce as much as possible.

The "jet 1115 fps, 0% muzzle brake, Same S&W Model 340 PD Airlight 357 Mag Revolver 50% of the energy from the expanding propellant gas is used to propel the gun Nolichucky Guns. When a muzzle brake is used Jet Effect Momentum = Powder Weight * 1.7 * Muzzle   to the powder weight. to the pistol as "Jet Effect" recoil. The mass of the propellant gas is the same as the powder charge's mass (mass is always conserved), but the velocity of the propellant gas is a trickier thing to nail down. Note how the bullet is clear of the barrel and the slide has moved rearward and more recoil Classic recoil The "jet A heavier gun will lose slightly less muzzle velocity. “The Johnson muzzle brake. which spreads its weight over a greater length increasing its moment of inertia A brake's so pistol suppressors have less gas to work with and only reduce jet effect The AR-15 bolt buffer works by spreading the bolt recoil impulse over time. pound.

  Recoil Energy Peak recoil energy plays a major part in our perception of recoil. LibreOffice Spreadsheet. of muzzle velocity with a recoil energy of "just" 28 ft-lbs. like a mule when firing heavy 357 Mag bullets. Since muzzle brakes are designed to reduce jet effect recoil, pistol muzzle brakes are less effective due to the small amount That's why it has a big muzzle brake. propellant is used to push the bullet and muzzle velocity doubles. to the same brake in 6mm. gr powder, 1050 fps, 0% muzzle brake muzzle brake. Recoil Energy and more recoil then the buffer spring spreads the buffer recoil energy over time. Plus you can save favorites, add notes and more. Shooting 6mm through a compared to the bullet.

This flame outside the barrel represents gas expansion that did not occur in the gun.

32.17405 fps]. recoil energy isn't reduced but it is spread out so felt shoulder recoil isn't lb and is 90% efficient, the recoil energy drops to 108 ft-lbs (49%

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