What Is a Railed Gas Block?
This Gas Block Replaces Your Existing Front Sight and Provides a Picatinny Rail on the Same Plane as Your Flat Top Ar Receiver. It Clamps to the Barrel Using 3...
This gas block replaces your existing front sight and provides a picatinny rail on the same plane as your flat top AR receiver. It clamps to the barrel using 3 Allen screws. This gas block has a bore diameter of . 936 inches for bull barrels.
What is a railed gas block on an AR 15?
The railed gas block attaches to the barrel in place of the standard front sight. Its bolt on design doesn't require the drilling and pinning like a standard front sight.
What is a Picatinny gas block?
The PRI picatinny rail gas block allows the user to attach a removable front sight, or other railed accessories. Secures to barrel with two cross bolts. Covers same area on the barrel as original sight base.
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