Compact .4in thick plate to hold your 12 gram CO2 close to your hand for quick access! The RTR Knuckle mounts on the bottom of any standard 2-hole grip frame (screws NOT included) and holds 2 cartridges 12 Grams snugly with O-Rings that are located inside each respective hole. Precision machined in the USA from lightweight aircraft aluminum. Can be positioned for either right or left hand use. Matte Black. Approx. 2in x 2in.

Product ID: XP6482A