Using the best materials is of paramount importance that is why Mec-Gar takes into account tensile strength, elongation rate and chemical composition of all raw materials. Before materials are accepted into production they are carefully tested and checked. Made from certified AISI 1010 Carbon Steel. Capacity 14 High Capacity Increased capacity to 14-rounds with "Plus-2" Adapter Only 5/8" longer than flush-fit magazines Redesigned tube to improve functionality, heat-treated for strength Anti-Friction Coating allows for easy loading and superior anti-corrosion properties Interlinked internal components