Armaspec Gen 3 SMB 9mm Sound Mitigation AR-15 Carbine Buffer Kit
Lowest Listed Price
MSRP
$59.99
Savings
25% off
Retailers Reporting In Stock
13 Stores
Updated
Sep 8, 2026
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["Single-stage captured drop-in replacement for your standard buffer and spring","Reduce felt recoil","Keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth and quiet operation","Adjustable spring weight","Made in the U.S.A.","Includes 1x Polymer Base Guide Rod, 1x Spring, 1x Buffer"]
Specifications
Description
The Armaspec Gen3 Sound Mitigation Buffer SMB is a single-stage captured drop-in replacement for your standard buffer and spring. The SMB is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet operation. FeaturesSingle-stage captured drop-in replacement for your standard buffer and springReduce felt recoilKeep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth and quiet operationAdjustable spring weight (*Main spring can be trimmed at .25 lbs per coil to reduce tension up to a max of 12 coils)Note: For proper function of the SMB-9 in your 9mm rifle or pistol, the extra weight on the back of the bolt carrier needs to be removed. It is held in with a spring pin.
