High Standard Bolt Carrier Group 5.56, new, made in USA. $499.00 LAST ONE ON HAND! High Standard complete AR15, 5.56 bolt carrier group. Made in USA, top quality “Mil – Spec” components. New, ready to drop in! Out of stock Category: AR-15 Related products Reflex sight, multi reticle, illuminated $95.00 AR15/M-16/M4/CAR15 RP Disconnector Spring $9.97