Low Profile design doesn't obscure field of view Uses standard A2 front sight post Same height as traditional sights at 45deg angle Do not have to move your head when transitioning to back up sights Constructed of ordnance grade phosphate finished steel Hardcoated 6061 aluminum base 1.5 MOA per click adjustments Set Weight 3.8ozMI Combat Rifle Fixed Offset Sight- Rear Low Profile fits under virtually all ocular scope lenses Same height as traditional sights at 45deg angle Do not have to move your head when transitioning to back up sights Constructed of phosphate finished ordnance grade steel Hard coated 6061 aluminum base Rifle .5 MOA / Carbine .65 MOA click adjustments Set Weight 3.8ozMI A2 Front Sight Tool Precision machined from stress proof steel. Square notches that engage the sight with a precise fit to give the operator precise sight adjustment. A knurled non slip handle with a lanyard hole for a lifetime of convenient operationIncludes:Combat Rifle Fixed Offset Sight Front #MI-CRS-FOSF-A2Combat Rifle Fixed Offset Sight Rear #MI-CRS-FOSRMI A2 Front Sight Tool #MI-A2STFor AR15/M4/M16 Firearms and other continuous rail platformsFully ambidextrous, can be installed to the left or the right side of the firearmMI Combat Rifle Fixed Offset Sight- A2 Front 100% Made in the U.S.A.MI Lifetime WarrantyTORQUE CLAMP SCREW TO 35 INCH/POUNDS