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recoil
Recoil (often called knockback, kickback or simply kick) is the backward momentum of a gun when it is discharged. In technical terms, the recoil caused by the gun exactly balances the forward momentum of the projectile and exhaust gases (ejecta), according to Newton's third law. In most small arms, the momentum is transferred to the ground through the body of the shooter; while in heavier guns such as mounted machine guns or cannons, the momentum is transferred to the ground through its mount. In order to bring the gun to a halt, a forward counter-recoil force must be applied to the gun over a period of time. Generally, the counter-recoil force is smaller than the recoil force, and is applied over a time period that is longer than the time that the recoil force is being applied (i.e. the time during which the ejecta are still in the barrel of the gun). This imbalance of forces causes the gun to move backward until it is motionless.
A change in momentum results in a force, which according to Newton's second law is equal to the time derivative of the momentum of the gun. The momentum is equal to the mass of the gun multiplied by its velocity. This backward momentum is equal in magnitude, by the law of conservation of momentum, to the forward momentum of the ejecta (projectile(s), wad, propellant gases, etc...) from the gun. If the mass and velocity of the ejecta are known, it is possible to calculate a gun's momentum and thus the energy. In practice, it is often simpler to derive the gun's energy directly with a reading from a ballistic pendulum or ballistic chronograph.
Has anyone mixed a sb/sob type pistol brace with a high recoil in round (458,50 etc) in an AR pistol? I'd like to build a pistol in beowulf but am not sure how the brace will take it if it accidentally touches my shoulder or something... I intend to have a large brake but I dont think they do a...
Hi,
Hopefully this is of your interested in this.
I have a good assortment of recoil pads that I want to sell. It seems they have been used for fitting stalks for length of pull. Some of them have not been used before. There are quite a few vintage Pachmayr. See images. Some seem to be...
Parameters: premium self defense hollowpoint ammo only.
Observation: typically a lighter bullet has higher velocity and the result is often higher energy (ft-lbs)
Does a lighter grain (weight) bullet traveling faster have less felt recoil than a heavier bullet traveling slower?
Don't really want to know if you would install one or not, but if you have installed one in an MP Shield 9mm I would really be interested in hearing if you had difficulty inserting it into the slide.
I tried to install the "strong" spring and I couldn't get the spring to stay where it belonged...
My apologies if this has been discussed, but does anyone have experience w/ the Colt Dual Recoil Spring System? Does it make a difference?
I shot a Gov't 1911 in .45 for many years, and I am debating adding a Commander in 9mm (cheaper to shoot). I noticed the newer Commanders have the Dual...
I launched mine, need another, stainless steel. I figured I'd post here and see if someone had one local I could get cheaper than online.
Thanks,
Bryan
ATI Talon Pistol Grip for a Remington 870, Magpul Black Forend, and Front mag tube picatinny rail perfect for flash lights mount used for maybe about 200 rounds . SOLD !
Came on a shotgun I bought at the gun show today, not what I want.
Is obviously used, has scuff and wear marks
They look to be $100-ish new
$50 FTF Twin Falls Idaho
$15 shipped in a med flat rate box
and this is supposed to be the "upgraded" spring from the original double-spring
Only about 150rds through it, and nothing non-SAAMI +P
Beretta says they shipped me a replacement spring yesterday, we'll find out soon.
I plan to replace my current barrel (AR15). I'm having a terrible time making a choice. Accuracy (bipod at TVGC 100 yard range) and reliability are the two most important considerations. I am torn between the 18 inch Odin 3 gun with a rifle length gas system and the LaRue 18 inch stealth with an...
Hey Guys,
Got the wife a used 1100 and I'm having a hard time finding a recoil pad. I don't even know if they make them pre-fitted.. I can only find limb savers for 12/16 ga. The gun to me, doesn't recoil but she is tiny and after going to Mid Valley on Saturday, she's got a hell of a bruise on...
Just picked up a Marlin .45-70 (SS, 18"+, scout scope rail, aperture rear sight, etc.) and finally got the chance to step out onto my porch and see what happens when I pull that trigger.
I had one before with a longer barrel, but I never shot it because I wanted to cut the barrel or get a...
How does everybody go about minimizing felt recoil for revolvers?
I'm shooting Ruger SRH in .454 Cassull and the last year I moved to full power loads, 240 grs ~ 2000 fps and 300 grs ~ 1600 fps. The felt recoil is kind of harsh. Doing more than a dozen or so rounds per session is not enjoyable...