USED Armaspec AR9 Gen4 Stealth Recoil Spring Stainless/Black

USED Armaspec AR9 Gen4 Stealth Recoil Spring Stainless/Black. 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. NOTE: The new GEN4 version does not have the o-ring on the weight. To eliminate any potential failure points we changed the screw to a roll pin across the plastic end piece and the cap is machined on the rodm replaced the snap ring with a washer. 9mm Bolt Carriers ONLY: For proper function of the SRS-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. Specifications for Armaspec AR9 Gen4 Stealth Recoil Spring: Manufacturer: Armaspec Color: Stainless/Black Fabric/Material: Steel Gun Make: AR Platform Gun Model: AR-9 Length: 7.8 in Weight: 9.5 oz Features of Armaspec AR9 Gen4 Stealth Recoil Spring 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 specialized factories Package Contents: Armaspec AR9 Gen4 Stealth Recoil Spring This product is compatible with the following gun models: AR-9 Armaspec ARM253-9: AR9 Gen4 Stealth Recoil Spring Stainless/Black