M1A1 can refer to multiple US weapons
- M1A1, a US anti-tank mine.
- M1A1 Carbine, a variant on the US M1 Carbine.
- Thompson M1A1, a US submachine gun.
- Bazooka M1A1, a US anti-tank launcher.
See also: M1
M1A1 can refer to multiple US weapons
See also: M1