Weaver 1-Piece Grand Slam Steel Dovetail Scope Base - Black Browning Mark II SPECIFICATIONS BRAND: WEAVER CA PROP 65: YES MATERIAL: STEEL RING & MOUNT FINISH: BLACK RING & MOUNT PIECES: 1-PIECE RING & MOUNT TYPE: TURN-IN DESCRIPTION The Weaver 1-Piece Grand Slam Steel Dovetail Base allows for a secure mounting system with your scope. The strong build of this system makes for maximum durability. Being constructed from solid metal and formed into one piece also makes for a secure placement. The unique selection of Weaver bases allows for a custom fit with your weapon, with many variations. Whether you need a base for your hunt in the field, competition shoot, or casual day at the range, stability is key.