Other designs—such as the Heckler and Koch HK21-based mostly designs or MG34—call for the exchange of modular sections to allow belt or alternate feeding. Due to not enough defense provided by the belt, belt-fed infantry weapons typically use a flexible or rigid container to keep the belt on the weapon. https://ammunitionrussia51074.vidublog.com/30286108/the-smart-trick-of-john-wayne-handguns-for-sale-that-nobody-is-discussing