The Armaspec SMB Buffer Kit AR10 Gen 3 is a complete recoil and sound mitigation upgrade for AR-10 pattern rifles. Built around Armaspec’s captured Sound Mitigation Buffer system, this kit replaces standard mil-spec buffer springs and weights with a smoother, quieter assembly that helps reduce felt recoil and spring noise inside the tube. The included buffer tube, end plate, and castle nut give you the core hardware needed to finish out an AR-10 stock and buffer assembly using proven Armaspec components.

This AR-10 specific kit is well suited for new builds or refreshing an older rifle that needs cleaner cycling and more refined handling. Its captured single-stage buffer design supports consistent operation during extended range sessions, training, or hunting, while helping maintain control for faster follow-up shots. For shooters who value reliable performance and a more comfortable shooting experience from their AR-10 platform, the SMB Buffer Kit Gen 3 reflects Armaspec’s focus on thoughtful engineering and practical innovation.

Key Features:

• Manufacturer: Armaspec
• Model: SMB Buffer Kit Gen 3 AR-10
• Type: Buffer Tube Complete Assembly
• Description: Sound Mitigation Buffer kit with captured single-stage buffer and spring system
• Fit: AR-10 pattern firearms