The ARMASPEC SRS BUFFER KIT C GEN 4 is engineered for precision and reliability, enhancing your shooting experience. This comprehensive buffer tube kit features a robust construction ideal for mounting stock assemblies on lower receivers, ensuring superior performance and longevity. SRS-C Buffer, 3.3oz for optimized recoil management Includes SRS Buffer, 6 Position Buffer Tube, Endplate and Castle Nut for complete assembly Compatible with AR-15 Pattern Firearms for versatile applications Upgrade your firearm's performance with the ARMASPEC SRS BUFFER KIT C GEN 4.