Maxim Defense RDB System Roller Delayed Blowback System Buffer, CQB Fits Most 9mm Luger AR-15/AR-9, (Maxim Defense CQB Buffer Tube Only) Available to order on-line. Ships in 5-14 days $189.95
Maxim Defense RDB System Roller Delayed Blowback System Buffer Carbine Fits Most 9mm Luger Mil-Spec AR-15/AR-9 Buffer Tubes Out of stock. Check back later... $189.95