Aero’s mil-spec AR15 front sight post kit is intended for use in AR15’s that have a front sight base (FSB).
These parts would be perfect for your new build or as emergency spares.
- AR15 A2 Front Sight Post
- AR15 Front Sight Detent
- AR15 Front Sight Detent Spring
Note: This is not a complete sight system. It’s the parts kit for completing the sight installation in a Front Sight Base.