The AKM features a barrel with a chrome-lined bore and 4 proper-hand grooves at a 240 mm (1 in 9.45 in) or 31.five calibers rifling twist rate. The forward barrel trunnion provides a non-threaded socket to the barrel and a transverse gap for a pin that secures the barrel in https://marcoktblt.idblogz.com/30046011/the-best-side-of-Капюшон-ФПВ3