Has anyone tried any of these, such as the one below? If so, what did you think of it?
Stealth™ Recoil Spring - SRS™- AR15 GEN4
The Stealth Recoil Spring™ SRS™ GEN4 is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The SRS™ is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet operation and the second stage helps reduce...
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