COLT M4 22LR FREE FLOAT QUAD RAIL 7IN
This Rail Interface Systems (RIS) fits the Colt M4 tactical rimfire rifle. The RIS provides a mounting platform for scopes, lights, and other accessories. Tactical guns and accessories are for .22 LR rimfire guns only.
Anodized aluminum construction
Steel barrel nut
Includes 3 polymer rail covers
Some gunsmithing may be required.