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The Stealth Recoil Spring™ SRS ™ is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The Stealth Recoil Spring ™ is designed to reduce felt recoil as well as keep the buffer spring from rubbing against the inner wall of the buffer tube. The buffer mass is designed to stay under constant tension against the bolt carrier and the O-ring on the head of the buffer mass prevents metal on metal contact.

The Stealth Recoil Spring comes in 5 variations. SRS-Carbine at about 3.3oz equivalent SRS-H at around 3.8oz equivalent SRS-H2 at around 4.7oz equivalent SRS-9 at around 5.3oz equivalent and SRS-H3 at around 5.6oz equivalent and SRS-308 5.7oz. Pat. Pend.