Ar-15/m16 Clamp-on Front Sight Gas Block – Yhm-9394 Front Sight Gas Block W/lug

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Multi-purpose front sight works as a fully functional gas block plus delivers lifesaving backup when primary optics fail or become hindered by low light or poor weather conditions. Machined steel body features a spring-loaded pushbutton that locks sight in the deployed position. When not in use simply depress the button and fold down for an unobstructed view through your optics. Protective ears guard the sight post from blows incurred during duty. Split barrel clamp design allows easy mounting to standard contour barrels without removal of flash hiders or muzzle brakes. Hex cap screws pull clamping halves tight to barrel for complete sight immobilization when properly tightened. Durable Mfg: Yankee Hill Machine Co. Inc. SPECS: Steel phosphate-coated finish dark gray. 1-7⁄8”” (4.8cm) long 1-3⁄16”” (3cm) wide. Sight Post “ 2¼� (5.7cm) high when raised. Fits standard .750� diameter barrels. YHM-9394 “ 6 oz. (170g) weight. YHM-9395 – 5.5 oz. (156g) weight. YHM-9835A “ 7.7 oz. (219 g) weight.