The Firing Line Forums - View Single Post - The M3A1 'Grease gun' was a rude, crude, and effective submachine gun

thallub · March 23, 2011, 08:01 AM

There are two models of the greasegun. The M3 has a crank handle to retract the bolt. The M3A1 has a finger hole in the bolt.

March 23, 2011, 08:01 AM	#4
thallub Senior Member Join Date: November 20, 2007 Location: South Western OK Posts: 3,112	There are two models of the greasegun. The M3 has a crank handle to retract the bolt. The M3A1 has a finger hole in the bolt.