KNS AR-15/AR15 Front Sight Post 7 Pack + Front & Rear Flip Up Backup Iron Sight Package Includes: KNS 7 Pack AR15 Front Sight + Ultimate Arms Gear Front & Rear Flip Up Sight Assortment of 7 Precision Front Sight Posts Includes: 3 Square Posts with widths of 0.034, 0.052 and 0.072; 3 Round Dot Posts with diameters of 0.034, 0.052 and 0.072; 1 V-Notch Post and Inverted V Post (point up). All Sight Bodies Are Constructed Of Steel with a Black Oxide Finish. MADE IN THE USA. Ultimate Arms Gear Tactical Precision Machined Aluminum QD Weaver Picatinny Front Flip Up Backup AR15 AR-15 M16 M4 M-4 Flattop A1 A2 Post Back Up Iron Sight Mount