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Mfg Item #: 9385A
This gas block replaces your existing front sight and allows the use of dovetail mounted accessories. The I.D. of the gas block is 0.750 (Fits on a barrel of 0.750 O.D.) Purchase our dovetail mounted flip front sight (YHM-9584) to retain your iron sights. - Made from high quality steel and finished with a Mil. Spec. phosphate coating. - Made in the U.S.A.