CMMG Barrel Collar Assembly, For AR-15, 22 LR, Stainless Steel 22BA415 Available to order on-line. Ships in 5-14 days $59.95
CMMG Extra Magazine For ARC-22 AR-15 Conversion .22 Long Rifle 25 Round Gray Available to order on-line. Ships in 5-14 days $26.95