The AKM contains a barrel with a chrome-lined bore and 4 correct-hand grooves at a 240 mm (one in nine.forty five in) or 31.five calibers rifling twist charge. The forward barrel trunnion provides a non-threaded socket with the barrel and a transverse hole to get a pin that secures the https://7476542.azzablog.com/29662237/about-БАЛЛИСТИЧЕСКИЙ-НАПАШНИК-3-ЛЕПЕСТКА