Shop › ARMASPEC SRS BUFFER KIT C GEN 4 ARMASPEC SRS BUFFER KIT C GEN 4 $108.89 Armaspec SRS Buffer Kit Gen 4, Stealth Recoil Spring-C, Fits AR-15, Black ARM263-C Quantity: Add To Cart Added! Armaspec SRS Buffer Kit Gen 4, Stealth Recoil Spring-C, Fits AR-15, Black ARM263-C