NcStar AR-15 A1/A2 Front Sight Combo Tool (TARFSCT)
The NcSTAR Front Sight Tool is Designed for Use on AR15/M16 A2, A1, and M4 Profile Front Sights.  4-Prongs on One End for A2 and M4 Style Front Sights and 5-Prong on the Other for A1 Style Front Sights.  Front Sight Combo Tool Simplifies Adjustment for Elevation on AR15/M16 Front Sight.  High Quality Steel Construction.