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  2. Sabot (firearms) - Wikipedia

    en.wikipedia.org/wiki/Sabot_(firearms)

    The sabot component in projectile design is the relatively thin, tough and deformable seal known as a driving band or obturation ring needed to trap propellant gases behind a projectile, and also keep the projectile centered in the barrel, when the outer shell of the projectile is only slightly smaller in diameter than the caliber of the barrel ...

  3. Snap cap - Wikipedia

    en.wikipedia.org/wiki/Snap_cap

    An assortment of snap caps of varying calibers, from left: (1st row) .22 LR, 9mm (both), .45 ACP, (2nd row) 30-06 (both), (3rd row) 12 Ga. A snap cap is a firearm accessory device shaped like a standard cartridge/shotshell but contains no functional components, namely the primer, propellant and projectile (bullet or slug).

  4. Driving band - Wikipedia

    en.wikipedia.org/wiki/Driving_band

    A driving band or rotating band is a band of soft metal near the base of an artillery shell, often made of gilding metal, [1] copper, or lead. When the shell is fired, the pressure of the propellant swages the metal into the rifling of the barrel and forms a seal; this seal prevents the gases from blowing past the shell and engages the barrel's ...

  5. List of the United States Army munitions by supply catalog ...

    en.wikipedia.org/wiki/List_of_the_United_States...

    The M1 ammo crate held a total of 1,000 belted or linked rounds packed in 4 M1 ammo boxes and the later M1A1 ammo crate held a total of 1,000 belted or 1,100 linked rounds packed in M1A1 ammo boxes. There were two .50 M2 ammo boxes to a crate (for a total of 220 belted or 210 linked rounds) with a volume of 0.93 cubic feet.

  6. Caliber conversion device - Wikipedia

    en.wikipedia.org/wiki/Caliber_conversion_device

    This additional force allowed the small .22 Long Rifle cartridge to cycle a standard weight slide, which made the pistol handle more like the standard .45 ACP version. [ 11 ] Another cartridge conversion was the Pedersen device , which was designed to convert the bolt action Springfield 1903 Mark I into a 40 shot blowback semi-automatic firearm ...

  7. Armour-piercing discarding sabot - Wikipedia

    en.wikipedia.org/wiki/Armour-piercing_discarding...

    Armour piercing discarding sabot munitions were developed to increase penetrating performance of anti-tank projectiles by generating higher impact velocity.A larger projectile would require a completely new weapon system, but increasing velocity faced the limitation that steel armour-piercing (AP) projectiles shattered at velocities above about 850 m/s when uncapped.

  8. Polymer-cased ammunition - Wikipedia

    en.wikipedia.org/wiki/Polymer-cased_ammunition

    A 12-gauge shotgun shell in a transparent plastic hull, allowing the contents to be seen. Polymer-cased ammunition (PCA) is firearm ammunition with casings made from synthetic polymer instead of the typical metallic casing. PCA is considered a new alternative that potentially reduces production cost and weight for long guns and handguns.

  9. Bourrelet - Wikipedia

    en.wikipedia.org/wiki/Bourrelet

    The bourrelet is normally forward of a rotating band or driving band near the aft end of the projectile. The driving band is customarily made of a softer metal than the remainder of the artillery projectile and of a larger diameter than the bourrelet to seal the barrel and be engraved by the rifling to spin-stabilize the projectile in flight.

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