Armaspec, Stealth Recoil Spring, SRS-Carbine, 3.3oz., Black, Replacement For Your Standard Buffer and Spring Precise Manufacturing Long Term Reliability Durable Construction MSRP: $79.99 MAP: $74.99 Product Description High quality components and precise manufacturing make Armaspec parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.