Physical
The physical qualities of the ArmaLite AR-18. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
940 mm
37.01 in
O/A Length
457 mm
17.99 in
Barrel Length
6.61 lb
3.00 kg
Weight
Gas-Operated; Rotating Bolt; Short-Stroke Piston
Action
5.56x45mm NATO
Caliber(s)
20-, 30- or 40-round detachable box magazine
Feed
Iron; Optional Optics.
Sights