Accu-Tac's BR-4 G2 is a heavy-duty, versatile bipod ideal for target, tactical, hunting, and any other shooting application. Made from 100% 6061 T6 Aircraft Grade Aluminum, the BR-4 G2 features 5 notch height positions and as well as 4 leg positions that can be deployed in 90° or 45° angles. The BR-4 G2 attaches to the host weapon via picatinny rail quick-detach interface. Features:100% 6061 T6 Aircraft Grade Aluminum5 notch height positions4 leg positions that can be deployed in 90° or 45° anglesQuick detach picatinny rail interface Accu-Tac BR-4 G2 Bipod BRB-G200