THE COLT 10.5 INCH 9MM SMG UPPER RECEIVER ASSEMBLY DIARIES

This weight was pinned in the rear with the bolt. One more substantial transform was the firing pin. The firing pin only had one head and utilized a firing pin spring reducing fat and mass with the firing pin. Due to the much softer primers used in pistol ammunition, the lighter fat and firing spring have been made use of to stop accidental dischar