PRI Gas Block With Top Picatinny Rail
PRI Gas Block for AR15, M16, M4, M4A1, for .750 barrels. Same plane as flat top upper receiver!!
This Barrel mounted gas block has a 2 1/2″ top rail same plain as the receiver. The rail is constructed of light wait hard coat aluminum. This gas block weights 2.5oz. Gas block fits over a .750 diameter barrel. Block locks into place with 2 crossbolts the same as the original PRI gas block front sight.
This gas block is compatible with the use of a milspec rear sights and the following RAIL MOUNT front sights: PRI, Troy Ind, BCM®/Troy, MI-FFR, MBUS
AR-15 BOLT CARRIER GROUPS AND CHARGING HANDLES
20" RIFLE BARRELS
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