Optimize your AR-15 with the Armaspec ARM268-C SMB Buffer Kit Gen 3, designed for superior sound mitigation and enhanced performance.This comprehensive kit includes everything required to elevate your rifle build. The SMB (Sound Mitigation Buffer) offers a significant upgrade over standard mil-spec buffer springs and weights, ensuring quieter operation and more reliable cycling.SMB-C Buffer, 3.3oz for optimized weight and balanceComplete assembly with SMB Buffer, Buffer Tube, Endplate, and Castle NutCompatible with all AR-15 Pattern FirearmsUpgrade your shooting experience with the Armaspec SMB Buffer Kit for superior performance.