This guide details the installation of the Maxim Defense AR-9 Roller Delayed Buffer System, a modification designed to convert a standard AR-9 from straight blowback to a roller-delayed system. The process involves modifying the bolt carrier group by removing its internal weight to accommodate the new system's guide rod. While requiring more initial force to charge, the system aims to significantly reduce felt recoil and improve shooting smoothness, especially when suppressed. The video highlights the importance of BCG compatibility and provides a cost-benefit analysis for potential adopters.
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