Made in the usa, the magpul l-plate is a floorplate replacement for current issue aluminum usgi 30-round magazines that incorporates a rubberized pad.Bumper pad is made of durable santoprene rubber overmolded onto a stainless steel plate.It allows for rapid and controlled magazine handling, flexible material protects magazine base from impact, and it has integrated holes for use with custom para-cord loops.Caliber: 5.56x45mm NATOFinish: BlackModel: L-PlateMaterial: Stainless Steel with Overmolded Santoprene RubberModel Fit: AR-15, M4 ,M16