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  2. Muzzle rise - Wikipedia

    en.wikipedia.org/wiki/Muzzle_rise

    Illustration of forces in muzzle rise. Projectile and propellant gases act on barrel along barrel centerline A. Forces are resisted by shooter contact with gun at grips and stock B. Height difference between barrel centerline and average point of contact is height C. Forces A and B operating over moment arm / height C create torque or moment D, which rotates the firearm's muzzle up as ...

  3. Muzzle brake - Wikipedia

    en.wikipedia.org/wiki/Muzzle_brake

    A muzzle brake or recoil compensator is a device connected to, or a feature integral (ported barrel) to the construction of, the muzzle or barrel of a firearm or cannon that is intended to redirect a portion of propellant gases to counter recoil and unwanted muzzle rise. [1] Barrels with an integral muzzle brake are often said to be ported.

  4. Recoil - Wikipedia

    en.wikipedia.org/wiki/Recoil

    For instance, muzzle brakes primarily works by diverting some of the gas ejecta towards the sides, increasing the lateral blast intensity (hence louder to the sides) but reducing the thrust from the forward-projection (thus less recoil). Similarly, recoil compensators divert the gas ejecta mostly upwards to counteract the muzzle rise.

  5. Bore axis - Wikipedia

    en.wikipedia.org/wiki/Bore_axis

    Among other things that affect muzzle rise and felt recoil is the weight of the pistol frame and tuning of recoil springs. The presence of a buttstock in a long gun will also help negate the effect of muzzle rise by shifting the pivot of the muzzle rise back towards the butt end, thus utilizing the entire gun's weight with a longer lever to ...

  6. Recoil operation - Wikipedia

    en.wikipedia.org/wiki/Recoil_operation

    Some short-recoil–operated firearms, such as the German MG 42 and MG 3, use a mechanism at the muzzle to extract some energy from the escaping powder gases to push the barrel backwards, in addition to the recoil energy. This boost provides higher rates of fire and/or more reliable operation.

  7. Blast from the past: Researchers discover oldest US gun ...

    www.aol.com/blast-past-researchers-discover...

    Researchers in Arizona say they have discovered the oldest gun in the U.S., a cannon used during the first European expedition across the Southwest.

  8. Kent State with loss to Buffalo could complete the worst ...

    www.aol.com/kent-state-loss-buffalo-could...

    Kent State has plenty of competition for the title of worst team in the modern FBS era, including two from fairly recent program history: The 1989 team went 0-11 and completed just 44.3% of its ...

  9. AK-12 - Wikipedia

    en.wikipedia.org/wiki/AK-12

    Both the AK-12 and AK-15 have been developed by the Kalashnikov Group under the "Ratnik" program and have been accepted into Russian military service. The AK-15 weighs 3.5 kg (7.72 lb) when empty, a full-length of 940 mm (37 in), a barrel length of 415 mm (16.3 in), barrel twist rate of 265 mm (10.4 in), and a standard magazine capacity of 30 ...