Other designs—just like the Heckler and Koch HK21-based mostly designs or MG34—involve the Trade of modular parts to allow belt or alternate feeding. Because of the lack of protection supplied by the belt, belt-fed infantry weapons commonly use a flexible or rigid container to retain the belt about the weapon. https://donovannpngb.total-blog.com/handguns-for-sale-in-florida-an-overview-56335714