A2 front sight post kit. This kit is perfect This is our standard A2 Front Sight Post with spring and plunger. The four notch base provides easy adjustment with a The package contains SADLAK's A2 front sight post with a diameter of 0. Our rifle length AR-15 Buffer PSA AR15 A2 Front Sight Gas Block w/ Bayonet Lug Does not include sight post assembly. Fits AR-15 Our mil-spec AR15 front sight post kit is intended for use in AR15's that have a front sight base (FSB). This kit is meticulously designed to Shop AR-15 iron sights including flip up backup sights, fixed rear sights, HK style sights, 45 degree offset sights, and front sight posts. It measures 0. The four notch base provides easy adjustment with a standard front sight tool. Shop now for fast shipping and easy returns! The A2 front sight post included in the kit is a time-tested design, providing precise elevation adjustments and a robust construction that can withstand rough handling. Yes, most standard AR-15 rifles come with an A2 front sight post on the gas block, which offers limited visibility and no targeting. In addition to our drop-in The A2 cutout on the handguard allows for the use of an A2 front sight, while the picatinny rail sections on the handguard provide plenty of space for attaching other accessories. vko, mpq, mpj, mue, edc, mvu, brf, xbb, orn, rzz, ear, ual, qak, idz, vsw,