The Stealth Recoil Spring™ SRS™ 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 the felt recoil significantly. 

Drop-in replacement for standard buffer and spring
Reduce felt recoil
Keep the buffer spring from rubbing against the inner wall of the buffer tube
Buffer mass is designed to stay under constant tension against the bolt carrier
Rubber O-ring on the head of the buffer mass prevents metal on metal contact
Made in the U.S.A

Length: 7.18"

Ccmpatibility: AR-15 with carbine-length buffer tube