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CMMG AR-15 Front Sight Assembly .750 Barrel Diameter
The CMMG front A2 sight tower base assembly is a replacement gas block and front sight combination. The front sight tower can be used on barrels with a .750″ gas system diameter and requires the area to be approx. 2 inches long for mounting. The mounting procedure requires pinning on the barrel and should be done by a knowledgeable AR-15 gunsmith or specialist with the right tools for the job.
Features of CMMG AR Front Sight Base Assembly:
Fits .750″ barrel diameter
F Marked sight tower
sling loop and bayonet lug