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  2. Recoil - Wikipedia

    en.wikipedia.org/wiki/Recoil

    A heavier gun, that is a gun with more mass, will manifest lower recoil kinetic energy, and, generally, result in a lessened perception of recoil. Therefore, although determining the recoiling energy that must be dissipated through a counter-recoiling force is arrived at by conservation of momentum, kinetic energy of recoil is what is actually ...

  3. Recoil operation - Wikipedia

    en.wikipedia.org/wiki/Recoil_operation

    In non-recoil-operated firearms, it is generally the entire firearm that recoils. However, in recoil-operated firearms, only a portion of the firearm recoils while inertia holds another portion motionless relative to a mass such as the ground, a ship's gun mount, or a human holding the firearm. The moving and the motionless masses are coupled ...

  4. Hydraulic recoil mechanism - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_recoil_mechanism

    The usual recoil system in modern quick-firing guns is the hydro-pneumatic recoil system. In this system, the barrel is mounted on rails on which it can recoil to the rear, and the recoil is taken up by a cylinder which is similar in operation to an automotive gas-charged shock absorber , and is commonly visible as a cylinder mounted parallel ...

  5. Recoilless rifle - Wikipedia

    en.wikipedia.org/wiki/Recoilless_rifle

    An M40 recoilless rifle on its M79 "wheelbarrow" tripod Diagram of the operation of a recoilless rifle using a vented case. A recoilless rifle (), recoilless launcher (), or simply recoilless gun, sometimes abbreviated to "RR" or "RCL" (for ReCoilLess) [1] is a type of lightweight artillery system or man-portable launcher that is designed to eject some form of countermass such as propellant ...

  6. Gas-operated reloading - Wikipedia

    en.wikipedia.org/wiki/Gas-operated_reloading

    The French Chauchat, German MG 34 and MG 42 machine guns, the British Vickers machine gun, and some other recoil operated firearms use a gas trap style mechanism to provide additional energy to "boost" the energy provided by recoil. This "boost" provides higher rates of fire and/or more reliable operation.

  7. Physics of firearms - Wikipedia

    en.wikipedia.org/wiki/Physics_of_firearms

    According to Newtonian mechanics, if the gun and shooter are at rest initially, the force on the bullet will be equal to that on the gun-shooter. This is due to Newton's third law of motion (For every action, there is an equal and opposite reaction). Consider a system where the gun and shooter have a combined mass m g and the bullet has a mass m b.

  8. Locked breech - Wikipedia

    en.wikipedia.org/wiki/Locked_breech

    Locked recoil systems rely on timing to allow safe operation. A very heavy bolt mechanism can be used (such as in sub-machineguns) to slow the rate of movement and reduce the rate of fire. [5] This is not adequate with higher velocity and higher energy cartridges. Rifles and most handguns use locked breech designs to control recoil safely.

  9. Muzzle booster - Wikipedia

    en.wikipedia.org/wiki/Muzzle_booster

    The original use of the recoil booster was to provide additional energy to move the large barrel/bolt mass on recoil operated machine guns. [7] At the start of WWI the primary German machine gun was the Maxim-based MG 08, a water-cooled heavy machine gun equipped with a blank firing adapter but not a muzzle booster.