The Battle Arms Development BAD-ATG(TM) (Adjustable Tactical Grip) easily adjusts, with the included hex key, to each of the three most popular industry proven angles (17, 25, & 33 degrees) using the Patent Pending adjustable angle mechanism. The textured finger grooves and ribbed back-strap optimize comfort and provides positive control. Dimpled air gaps help keep hand dry while offering firm grip texture. Only 3.0oz complete with screw and washer! Mfg: Battle Arms Development Inc.