M3, Mac-10/45, Cobray , 30rnd Steel "Stick" Magazine Parkerized (J) $50 Tapco screw build hardware( NEW

Tapco screw build hardware( NEW )

Identified mostly by the extra fin on the bottom of saftey tower & the small circle of material leftover from manufacturing seen on the last picture

on the opposite side of the mag well

Plenty of original Reciever left

M3, Mac-10/45, Cobray , 30rnd Steel "Stick" Magazine Parkerized (J) $50 Tapco screw build hardware( NEWThese M3 grease Gun magazines were manufactured by Jahn Manufacturing or (J) marked. out of New Britain, CT. In 1943 1945. Some time after WW2's end. In 1964, Gordon Ingram at Military Armament Corporation (MAC) designed the MAC 10 45 around the M3 grease gun magazines, in a cost saving measure. Directly interchangeable with the MAC 10 45 & M3 Parkerized(Grey) SPECS: Condition: Great Country Of Origin: USA, New Britain, CT Manufacturer: Jahn