ARAK-21 Barrel Assembly Unit (BAU Only) Faxon $399.00 Note- This kit is appropriate for an ARAK owner who already has their corresponding bolt. 5.56 and 300 BLK are interchangeable. 7.62x39 has its own bolt. For for the full kit, see the complete conversion BAU listing. ARAK-21® Barrel... Sold Out
ARAK-21 Caliber Conversion Kit - Complete w/ Bolt & Firing Pin Faxon $499.00 Note- This kit is appropriate for an ARAK owner who does not have the bolt for their new caliber. Of note, 5.56 and 300 BLK are interchangeable. 7.62x39 has its own bolt. For just the BAU, see the BAU Only product listing. Kit... Sold Out
