Aluminum KRG Rail L3: Metal Picatinny Rail with Magpul MOE L3 hole spacing (1.584"). Mounts on Whiskey-3 Chassis and X-ray (gen 1-3) chassis buttstock to allow rail mounted monopod. Also mounts on bottom of Whiskey-3 forend.
Fits: Whiskey-3 Chassis forend and buttstock, X-ray buttstock
