M3 Submachine Gun

The M3 submachine gun is full automatic only, blowback operated firearm that fired from open bolt. The receiver is made from steel stampings. The M3 features s spring loaded ejection port cover which also acts as bolt safety device by locking the bolt in place when it is closed. A crank bolt retracting cocking handle is located at the right side of the receiver. A retractable stock made from steel wire is attached to the rear of the receiver. The wire stock could be used as cleaning rod when detached. The hollow grip of the gun contains a small oiler which was employed to lubricate the all steel gun to prevent rusted rusting in wet climates. The parkerised frame is marked with the US Ordnance stamp and the serial number. It is complete with a 30 round detachable staggered box magazine and a muzzle flash hider.

This weapon was captured in South Vietnam by Australian Forces. The M3 sub-machine gun was used during the Second World War and in South Korea by United States Forces. It was commonly known as the 'grease gun' due to the shape of construction resembling the tool used in automoble repair garages.