| ArmaLite AR-100 | |
| Type: | Assault rifle Carbine Light machine gun |
| Origin: | United States |
| Action: | Gas-operated, rotating bolt |
| Is Ranged: | yes |
| Variants: | AR-101 assault rifle AR-102 carbine AR-103 carbine AR-104 light machine gun |
| Cartridge: | 5.56×45mm NATO |
| Caliber: | 5.562NaN2 |
| Rate: | 553-580rpm |
| Feed: | 30 round detatchable box magazine 100 round drum magazine |
The ArmaLite AR-100 was an assault rifle based on the previous AR-16. The weapon was intended to increase firepower of a squad as well as mobility.[1]
The ArmaLite AR100 is a 5.56×45mm NATO caliber short-stroke piston gas-operated, 5.56×45mm NATO assault rifle fed from 30- round and 100-round drum magazines that eject from the magazine insert when empty and are discarded during a firefight. The AR-101 and AR-102 fire from closed bolt in semi-auto and open bolt in full auto whereas the AR-103 and AR-104 open bolt fire only.