This gas block replaces your existing front sight to provide a simple, low profile design that can be used to mount a rifle length forearm to a carbine length barrel. It is hinged to go around the barrel with a pinned and welded muzzle device. The two screws take a 9/64" Allen Wrench. Gas port size: 0.125"
- Manufactured from 4140 Steel, finished with a mil. spec. phosphate coating.
- Low Profile
- .750" Bore Diameter
- Clamp Screw Mounted
- Weight: 1.98 oz.
DO NOT TIGHTEN SCREWS TO MORE THAN 40 INCH POUNDS.
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Brilliant piece of gear!
This is exactly what I needed to get a new gas block on a gun with a pinned muzzle device. Absolute life saver. It's also wonderfully built and has stood up to high round count. No complaints!