Armaspec SRS-9 Buffer Tube Kit Black AR-15 Gen4

The Armaspec SRS-9 buffer tube kit contains all necessary parts to mount a stock assembly on a lower receiver. Features a mil-spec 7075-T6 6-position buffer tube, steel castle nut and end plate, plus an SRS Gen4 enhanced multistage recoil buffer system. The Stealth Recoil Spring (SRS) Gen4 is a self-contained multi-stage drop-in replacement for standard buffer and spring systems. Designed to prevent buffer spring rubbing and provides enhanced recoil management for AR-15 platforms. Black matte finish.