FEATURES:-Machined from 6061-T6 extruded aluminum-Matte black finish-For Browning Lever Action Short Action BLR-0 MOA-Center Spread: 2.8"-Overall Length: 5.488"-Mounting Hardware: Hex head screws & wrench provided-Installation: EGW recommends 20 inch lbs. of torque & a drip of blue LoctitePRODUCT SPECIFICATIONS:Dimension 1.00 X 3.45 X 8.25Height 1.0000Width 3.4500Length 8.2500STYLE PICATINNYFINISH BLACK MATTEMATERIAL ALUM ALLOYTYPE OF RINGS NEEDED MIL-STD 1913 PICATINNYRINGS INCLUDED NOTHER FEATURES: MADE IN USA