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out of stock The Vltor Low-Profile Gas Block covers one-inch of the barrel's surface and is made to the tightest tolerance. These gas blocks are offered in two materials, 4140 carbon steel and 17-4PH stainless steel. The 4140 gas blocks are manganese phosphate (black finish) to match barrels with similar finish. The stainless steel gas blocks are blasted to give a matte gray finish. All current models are made to fit barrels that feature a .750 or 3/4-inch gas block mounting surface. Only Black available.
Regular Price: $65.95 On Sale For: $62.95
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