Mi Upper Height Gas Block – W- Rail For .750 Dia. Barrels

Mi upper height gas block w/ rail for.750 dia.Barrels

FEATURES
-For .750 diameter barrels
-Gas block with MIL-STD 1913 rail machined to the same height at the A4 upper receiver rail
-Constructed of 4140 steel

Other Features: Gas block with mil-std 1913 picatinny rail machinged to the same height as a4 upper receiver rail, fits.750 diameter barrels, made in usa