I Have This Old Gun: U.S. M3A1 Grease Gun
This guide details the specific technique for cocking the M3A1 Grease Gun, a simplified evolution from the M3 model. It highlights the removal of the crank handle and the introduction of a finger hole in the bolt for easier operation. The information is presented with high authority, drawing from experts like a Retired Museum Curator and editors from American Rifleman.










