SG6M1F

Ramp to be used together with bar11w, with ***M1B or ***M1F or ***M1T adjustable front sight from 26mm to 30 mm. No welding or drilling needed; it is enough to insert the ring support and lock it on the barrel by the insert and the screws provided. Available for barrel diameters ranging from .819” to .882” (20.8 mm – 22.4 mm)