MEC-GAR is a privately held family-run business since 1965 whose sole focus is the manufacture of firearm magazines.Their state-of-the-art stamping facility and tool shop, unlike all the other competitors, is 100 percent dedicated to the manufacturing of firearm magazines. Caliber .25 ACP Capacity 8 Standard Carbon steel tube, heat-treated for strength High tensile music wire spring Steel follower and removable metal butt-plate