Add-on riser rail gives an additional ½" of elevation or offset sometimes needed to mount a red dot sight, light, laser, or other essential accessory. Clamps securely to any MIL-STD 1913 Picatinny rail and provides three Picatinny cross-slots. Steel crossbolt and oversized, hex-head slotted thumbscrew enable fast, easy installation and removal, with or without tools.

SPECS: Rail – 6061 T6 aluminum, hardcoat anodized, black. Crossbolt/Thumbscrew – 4140 steel, black oxide finish. 13?8" (3.5cm) long, 1Ѕ" (3.8cm) wide. Provides Ѕ" (12.7mm) additional elevation. 1.4 oz. (38g) weight.