| M1 Garand; America's main rifle | |
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| Tweet Topic Started: Oct 7 2009, 01:43 PM (47 Views) | |
| Adam Vagus | Oct 7 2009, 01:43 PM Post #1 |
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![]() Rifle ![]() Clip The M1 rifle is a gas-operated, semi-automatic, clip-fed rifle officially adopted by the Army in 1936. It is chambered for the standard .30-06 Springfield. With this cartridge, the M1 has a maximum effective range of 440 yards, with the capability of inflicting a casualty with armor-piercing ammunition well beyond 875 yards. Because of the larger diameter of the .30-06 cartridge, the magazine holds only eight rounds. Expanding gases from a fired cartridge are diverted into the gas cylinder. Here, the gases meet a long-stroke piston attached to the operating rod. The operating rod is therefore pushed rearward by the force of this high-pressure gas. Then, the operating rod engages a rotating bolt inside the receiver. The bolt is attached to the receiver via two locking lugs, which rotate, unlock, and initiate the firing cycle when the rifle is discharged. The operating rod (and subsequently the bolt) then return to its original position. The weight of the M1 varies between 9.5 lb and 10.2 lb unloaded (depending on sling type and stock wood density). The length is 43.6 inches. The rifle is fed by an "en bloc" clip. When the last cartridge is fired, the rifle ejects the clip and locks the bolt open. Clips can also be manually ejected at any time. The clip is manually ejected by pulling the operating rod all the way to the rear, and then depressing the clip latch button. Once the clip is inserted, the bolt snaps forward on its own as soon as pressure is released from the clip, chambering a round and leaving it ready to fire. It is advisable for the operator to ride the bolt forward with his hand (in order to prevent the bolt from closing on his thumb, resulting in "Garand thumb" or "M1 thumb"), and to strike the operating rod handle with his palm to ensure the bolt is closed. |
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2:19 PM Jul 11