Armaspec SMB Buffer Kit AR-10 Gen 3 – Stealth Recoil Spring System

The Armaspec SMB Buffer Kit Gen 3 for AR-10 platform rifles replaces your standard buffer and spring with a captured recoil management system that reduces vibration, noise, and felt recoil. The Sound Mitigation Buffer uses internal dampening technology to smooth out the bolt carrier cycle, resulting in less muzzle rise and faster follow-up shots. Shooters report noticeably quieter operation and reduced buffer tube rattle compared to mil-spec setups.

This Gen 3 model is specifically engineered for AR-10/.308 pattern rifles with carbine-length buffer tubes. The captured spring design means no more dealing with loose springs during cleaning or reassembly. Machined from aircraft-grade aluminum with a corrosion-resistant finish, the system installs in minutes using standard tools. Compatible with adjustable gas blocks and most aftermarket bolt carrier groups. Patent-pending dampening technology is sealed and maintenance-free.

• Type: Captured recoil buffer and spring system
• Compatible Firearms: AR-10, .308 pattern rifles (carbine buffer tube)
• Material: Aircraft-grade aluminum body, proprietary dampening internals
• Finish: Type III hard anodized
• Adjustable: No (factory tuned for .308 cycling)
• Installation: Drop-in replacement, no gunsmithing required