The Midwest Industries Combat Rifle is a low profile, compact mil spec height folding front rifle sight. Weighing in at only 1.4 oz., this 6061 aluminum sight uses a standard A2 front sight post, and each click adjusts the sight by 1.5 MOA.Features : For AR15/M4/M16 Rifles and other platforms ,Low Profile .437" when folded down, flips up to Mil-Spec sight height, Uses standard A2 front sight post Dual locking detent springs 1.5 MOA per click adjustments