Maxim Defense MXM47839 Roller Delayed Blowback System Buffer Carbine

Description

Product Overview

Maxim Defense MXM47839 is a carbine-length roller-delayed blowback (RDB) system buffer assembly built to convert a compatible 9mm Luger AR-9 style setup from straight blowback to a roller-delayed operating cycle. By delaying bolt opening until chamber pressure drops, it helps deliver smoother cycling, improved consistency, and reduced felt recoil—supporting more accurate and dependable performance. The carbine-length system replaces the buffer and spring in your AR-9 configuration to provide a straightforward upgrade path with compatibility for most mil-spec AR-15/AR-9 buffer tube setups.

Key Features

• Roller-delayed blowback design helps delay bolt opening for smoother, more controlled cycling
• Carbine-length system replaces the AR-9 buffer and spring to support reliable operation
• Built for 9mm Luger AR-9 platforms using mil-spec AR-15/AR-9 buffer tubes
• Designed to improve consistency and reduce felt recoil for better practical accuracy
• Helps make it easier to suppress by managing the timing of the unlock cycle

Upgrade your 9mm AR-9 build with a purpose-built Maxim Defense RDB carbine buffer system designed for efficient, reliable roller-delayed performance.