Armaspec Sound Mitigation Buffer Gen 3, Buffer, Black - ARM2589

The Gen3 Sound Mitigation Buffer(TM) SMB(TM) is a single-stage captured drop-in replacement for your standard buffer and spring. The SMB(TM) is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet operation. Pat. Pend.FEATURES: 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 (*Main spring can be trimmed at .25 lbs per coil to reduce tension up to a max of 12 coils) Made in the U.S.A. Lifetime WarrantySPECIFICATIONS: Actual Weight (Complete System): Carbine: 4.41 oz. Heavy: 4.91 oz. H2: 5.81 oz. H3: 6.71 oz. 9MM: 9.88 oz. Equivalent Weight: Carbine: 3.3 oz. Heavy: 3.8 oz. H2: 4.7 oz. H3: 5.6 oz. 9MM: 6.9 oz.Installation instructions: 1. Insert polymer base with guide rod into the buffer tube. 2. Insert desired spring on the guide rod. 3. Insert the buffer over the spring.Note: Spring will fully set after approximately 100 shots. Main spring can be trimmed at .25 lbs per coil to reduce tension up to a max of 12 coils.