ТП 4-50 FOR DUMMIES

The AKM features a barrel with a chrome-lined bore and four appropriate-hand grooves at a 240 mm (1 in nine.forty five in) or 31.five calibers rifling twist charge. The forward barrel trunnion provides a non-threaded socket for your barrel and a transverse gap for the pin that secures the barrel in place. The AKM's barrel is put in within the ahea