• Low profile• Constructed of black anodized aluminum• 45° off set mounts to standard Mil-Spec 1913 Picatinny rails• Ball bearing pivot detent• Automatically locks into position when raised to the shooting position• Flip-up standard A2 style front post• Flip-up A2 style dual aperture rear peep sight• 0.49 MOA on A4 type rifles• 0.65 MOA/M4 carbine