Windage adjustable AR-15 rear sight with unique diopter design.
• Single Plane Dual Aperature
• Black anodized aircraft grade aluminum
• Ball bearing pivot detent
• Automatically locks into position when raised
• Flip-up posi-lock design to guarantee zero
• 0.65 MOA / Also for M4 Carbine
• 0.49 MOA on A-4 type rifles