BrickArms M1A1 SMG
The M1A1 was favored by soldiers and civilians alike for its compactness,
large .45 ACP bullet, and high volume of automatic fire
Compared to modern 9mm submachine guns, it is heavy, difficult to aim and has
excessive recoil. By the standards of the day, however, the M1A1 was one of
the most effective and reliable submachine guns available.
Fires .45 ACP rounds from a 30-round detachable box magazine.