Combat Rifle Flip front sights features a low profile .437″ when folded down flips ups to Mil-Spec height. Standard A2 front sight post dual locking detent springs for added reliability and crisp positioning and 1.5 MOA per click adjustments. Combat Rifle Flip Rear sights features a super low profile .388″ centerline when folded down flips ups to Mil-Spec height. Intermediate aperture for long-range precision and close-range rapid engagement 0.5 MOA adjustment for Rifle length systems 0.65 MOA adjustment for Carbine length systems. Constructed of ordnance grade phosphate finished steel with a hardcoated 6061 aluminum base. The MI A2 Front Sight Tool is precision machined from stress proof steel. Square notches that engage the sight with a precise fit to give the operator precise sight adjustment. and a knurled non slip handle with a lanyard hole for a lifetime of convenient operation. Made in the USA.