Maxim Defense RDB Roller Delayed Buffer — 9mm

Description

The Maxim Defense Roller Delayed Buffer (RDB) Carbine is a drop-in buffer system designed specifically for 9mm AR-pattern firearms. It converts straight blowback AR-9 platforms to a roller-delayed blowback configuration, allowing chamber pressure to stabilize before extraction for smoother cycling. The carbine-length RDB installs in most mil-spec AR-15/AR-9 buffer tubes and replaces the standard buffer and spring. The system is intended to reduce felt recoil and improve overall reliability in 9mm AR builds.

Key Specifications

• Designed for 9mm Luger AR-pattern platforms only.
• Installs as a carbine-length roller delayed buffer system.
• Replaces the buffer and spring in most mil-spec AR-9/AR-15 buffer tubes.
• Constructed from Steel.
• The model is listed as Roller Delayed Buffer System.
• Finish color is Silver.
• Product type is Buffer.
• Weight is .6.
• Designed to reduce felt recoil and improve cycling reliability.

As a purpose-built upgrade for 9mm AR-carbines, the Maxim Defense RDB Carbine provides a practical, durable option for users looking to refine cycling characteristics and reduce recoil impulse. Its steel construction and mil‑spec compatibility make it a straightforward choice for builders and shooters seeking a reliable buffer solution for AR-9 platforms.