ACCU-TAC BR-4 G2 BOLT ACTION BIPODS The Accu-Tac BR-4 G2 Bolt Action Bipod with the quick detach was designed, engineered, and manufactured in the USA. This smaller bipod is convenient for a more grounded shot. The BR-4 is 100% billet, made from the highest quality aircraft aluminum available. Accu-Tac's quick detach rail mount is simple, quick, and very secure. The quick detach attaches to a 1913 Picatinny rail and mounts in seconds without the need to use extra tools for tightening. Their leg design allows the shooter to quickly adjust to 5 different positions with the advantage of being able to position each leg differently. The updated G2 model now Mfg: Accu-Tac