You asked for it and TNTE delivers! This Gov 11.5" barrel with 5.5" flash hider will be a perfect for you XM or GAU clone. Featuring a 5.56 NATO chamber, the bore and chamber are nitride coated and the exterior has a QPQ finish. The barrel is made from 4150 11595E Steel. The gas system length is carbine. In being a retro barrel, the gas block is .750" diameter. Forged front sight base is installed using taper pins. Our 5.5" flash hider has been pinned and welded for NFA compliance.
Gas System: Carbine
FSB Height: Select based on receiver, F Marked if you have a flat top with or without detachable carry handle. Select A2 if you have an A1, A1 Slick Side, C7, or A2 upper.
NFA Compliance: This barrel assembly is pinned and welded making it over 16" long. It is legal to us on a rifle lower.
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Shipping was spot on with the fit and finish being 110%! This is a awsome company and I will do business with them again!!