Aim Sports Low-Profile 45 deg Frond/Rear Flip-Up Sight Set for AR-15/M-4 Rifles - MT45FS

45 deg angled front and rear sight for use with standard AR-15. Locks positively in the up position.Features:45-degree off set mounts to standard Mil-Spec 1913 Picatinny railsBall bearing pivot detentAutomatically locks into position when raised to the shooting positionFlip-up standard A2 style front postFlip-up A2 style dual aperture rear peep sight0.49 MOA on A4 type rifles0.65 MOA/M4 carbine