The Accu-Tac BR-4 G2 Bolt Action Bipod with the Arca Spec. Mount 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. Our quick detach rail mount is simple, quick, and very secure. The quick detach attaches to a standard Arca Swiss or Arca style rail and mounts in seconds without the need to use extra tools for tightening. Our leg design allows the shooter to quickly adjust to 4 different positions with the advantage of being able to position each leg differently. The updated G2 model now offers leg extensions with a total of 5 notches for additional height. The BR-4 G2 has the ability to cant which can be locked with its new throw lever. To engage or adjust leg position, simply pull the leg downward to move each leg independently. Leg positions can be deployed to 45 degree or 90 degree, locking securely into 4 positions. Features: Minimum height (legs at 45 degree) - 5.75 inches Minimum height (legs at 90 degree) - 7 inches Maximum height (legs at 90 degree) - 8.625 inches Minimum stance (legs at 45 degree) - 8 inches Maximum stance (legs at 90 degree) - 12.25 inches