Knights Armament KAC rear 600m micro BUIS for Mk18 USMC

$109.33
Knights Armament KAC rear 600m micro BUIS for Mk18 USMC

Knights Armament KAC rear 600m micro BUIS for Mk18 USMC

This is a fully functional Knights factory rear folding back-up sight, USMC marked, new old stock.  In original packaging and also in mil-spec packaging.  Not in Knights box.
 
 
Part # 25650-USMC