Colour: Black Make: Browning,HOWA,Mossberg,Remington,Smith & Wesson,Weatherby Material: Aluminum Model: 1500,1550,1600,1700,40-XL,700,700 ML,721,722,725,78,Monarch,Vanguard Number of Bases: 2-Piece Style: Weaver-Style Bases Delivery weight: 0.023kg Shipping height: 18mm Shipping width: 30mm Shipping length: 81mm UPC : 076683484604