The Accu-Tac F-G2 F-Class Bipod with the quick detach was designed" engineered" and manufactured in the USA. This bipod is perfect for long range" target" competition" and tactical shooting. The FC-G2 is 100% billet" made from the highest quality aircraft aluminum available. Their 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 F-Class has the ability to pan" and cant. The leg design allows the shooter to quickly adjust to 5 different positions with the advantage of being able to position each leg differently. To engage or adjust leg position" simply pull the leg downward to move each leg independently. Leg positions can be deployed in a 45 or 90 degree position either forwards or backwards" locking securely into 5 positions through a 180 degree arch.