Maxim Defense Mxm47838 Roller Delayed Blowback Buffer CQB for 9mm AR15 AR9

The Maxim Defense MXM47838 Roller Delayed Blowback System Buffer CQB is a precision-engineered steel component designed for 9mm Luger AR-15 and AR-9 configurations, delivering reliable smoothness and consistent recoil management in close-quarters builds. Built with durable steel, this buffer system leverages Maxim Defenses proven roller delayed blowback technology to optimize cycling reliability, reduce felt recoil, and improve follow-up shot speed, especially in compact CQB setups. The CQB Buff