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  2. Heckler & Koch FABARM FP6 - Wikipedia

    en.wikipedia.org/wiki/Heckler_&_Koch_FABARM_FP6

    With the exception of the short-barreled model, FABARM shotguns are sold with their Tribore barrel which is a deep-drilled, machined barrel with three separate internal bore profiles. Beginning at the chamber and forcing cone, the bore is enlarged to .7401" to soften recoil while the second profile is in the middle of the barrel gradually ...

  3. Caliber conversion device - Wikipedia

    en.wikipedia.org/wiki/Caliber_conversion_device

    One exception to the use of a special lightweight bolt was the Colt Service Ace, offered as a complete pistol or as a conversion kit for the M1911. While still nominally a blowback conversion, the Service Ace used a special "floating" chamber in the barrel that acted like a gas operated firearm's piston, helping push the bolt back with more ...

  4. Muzzle brake - Wikipedia

    en.wikipedia.org/wiki/Muzzle_brake

    Another advantage of a muzzle brake is a reduction of recoil fatigue during extended practice sessions, enabling the shooter to consecutively fire more rounds accurately. Further, flinch (involuntary pre-trigger-release anxiety behavior resulting in inaccurate aiming and shooting) caused by excessive recoil may be reduced or eliminated.

  5. List of 3D-printed weapons and parts - Wikipedia

    en.wikipedia.org/wiki/List_of_3D-printed_weapons...

    Semi-autonatic Recoil operation: DMLS [22] Solid Concepts [23] 10mm Auto: Created roughly after a year the first-known metal 3D-printed gun was produced. [21] Has the word "Reason" etched on it, along with an excerpt from the Declaration of Independence on the barrel. [22] XPR-1 [24] 2015, October Weapon: Plasma Armature Railgun: FDM David ...

  6. Recoil buffer - Wikipedia

    en.wikipedia.org/wiki/Recoil_buffer

    This type of buffer cushions the battering force of repeated metal on metal impact, reducing wear on parts and lengthening the service life of the firearm. [4] Reduction of perceived recoil discomfort is an immediate added benefit of this type of recoil buffer. [4] Some pneumatic recoil buffers used in firearms are fast, low-power gas springs ...

  7. Recoil operation - Wikipedia

    en.wikipedia.org/wiki/Recoil_operation

    Long recoil operation is found primarily in shotguns, particularly ones based on John Browning's Auto-5 action. In 1885 a locked breech, long recoil action was patented by the Britons Schlund and Arthur. [9] In a long recoil action, the barrel and bolt remain locked together during recoil, compressing the recoil springs.

  8. Ithaca Mag-10 - Wikipedia

    en.wikipedia.org/wiki/Ithaca_Mag-10

    The Ithaca Mag-10 was the world’s first 10 GA semi-automatic gas-operated shotgun chambered in 10-gauge (3½"). The CounterCoil system built into the front of the magazine tube reduced the recoil from the round to allow easier second shots but cut the magazine size in half to 2 shells.

  9. 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 ...