This is a Battle Arms Development, Inc. Grip known as the Adjustable Tactical Grip, model 100-018-161.
The Battle Arms Development's BAD-ATG 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!
Features:
Industry proven angles (17 25 & 33 degrees)
Textured finger grooves and ribbed back-strap
Dimpled air gaps
