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One-piece, low profile, steel gas block fits under most free-float handguards for a clean, uncluttered look. Models available to fit .625", .750" or . 936" O.D. barrels. Locks securely to barrel with three steel setscrews.
SPECS: 4140 billet steel, manganese Parkerized finish, matte black. Available sizes: .625". .750" – 1ѕ" (4.4cm) long, 13?8" (3.4cm) high. 3.6 oz. (102g) weight. .936" – 113?16" (4.6cm) long, 1Ѕ" (3.8cm) high. 3.6 oz. weight.