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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.
In the anti-materiel role, a 25 mm weapon armed with armor-piercing rounds can disable many types of aircraft and ground vehicles, including some main battle tanks. The US military uses 25 mm weapons in their AV-8B Harrier , AC-130 gunship , M2 Bradley , LAV-25 , F-35 Lightning II and as a standard ship-based munition in the Mk 38 autocannon.
The weapon is a magazine-fed selective-fire submachine gun using a open-bolt, blowback action, [5] chambered for 7.62×25mm Type 64 (A special subsonic version of the Chinese 7.62x25 Type-51 7.62×25mm Tokarev round). This was one of the few Chinese-made Cold War small arms that were not based on any existing Soviet small arms. [6]
The feed direction for the percussion-primed 25 × 137 ammunition can be manually or remotely selected, through an electrical feeder selection device. The first round fired following selection comes from the belt that has just been selected. The external power feature can be used for maintenance and training using dummy rounds.
The General Dynamics GAU-12/U Equalizer is a five-barrel 25 mm Gatling-type rotary cannon.The GAU-12/U is used by the United States, Italy and Spain, which mount the weapon in their attack jets such as the AV-8B Harrier II, airborne gunships such as the Lockheed AC-130, and land-based fighting vehicles.
The case holds a set number of bagged charges and the gun crew can add or subtract propellant to change range and velocity. The round is then reassembled, loaded, and fired. Advantages include easier handling for larger caliber rounds, while range and velocity can easily be varied by increasing or decreasing the number of propellant charges.
If the bullet velocity is capped at 1,000-Feet Per Second / FPS in order to subdue the noise of firing, then the impact can be improved by increasing the weight of the bullet. The 357 Auto can be loaded with bullets in .358-caliber, while still fitting within the AR-15 COAL of 2.260". Bullet weights are currently available between 225gr-310gr
Examples of FMJ bullets in their usual shapes: pointed ("spitzer") loaded in the 7.62×39mm rifle and round-nosed loaded in the 7.62×25mm pistol cartridges A full metal jacket ( FMJ ) bullet is a small-arms projectile consisting of a soft core (often lead ) encased in an outer shell ("jacket") of harder metal, such as gilding metal ...