Front sight for AR-15 - BROWNELLS

Rugged tilting attractions provide immediate sight when the primary backup fails or weather conditions restrict its use. Sturdy cross-bolt with oversized hex nut, slotted locks locking tightly to Picatinny rail accessory for zero movement of sight. Clean, low profile design won't snag on other gear when folded. All models adjust with mil-spec A2 carbine sight or sights at same aftermarket height - perfect for co-witnessing with non-magnifying red dot and holographic optical sights. Precision machined hardcoat anodized 6061 T6 heat treated Aluminium of 4140 steel repeatable settings and strength handle the rigors of combat. A2 lead knob on rear sight provides precise ½ MOA adjustment. 360 Series Rear - HK-style rotating turret for maximum accuracy out at 300 yards. Knurled turret collar with machine engraved range indices allow for quick opening changes; Two ball locking points lock turret in place in each position. Close up. 160 "aperture provides a wide field of view for close combat; three. 070" apertures are calibrated for the mil-spec M4 at 100, 200, and 300 yard trajectory ranges. (Better accuracy with 5.56mm (. 223) ammunition load that duplicates the military grain M855 62 FMJ.)

SPECS: 6061 T6 aluminum and 4140 steel, matte black. 360 Series Rear - 1-3⁄8" overall length, 1-7⁄8" high (extended), 13⁄16" (3cm) high (folded). Trajectory calibrated for carbines with 16" long barrel equipped with A2 front sight or sights of equivalent height.