Geissele H3 08-163S-H3 Premium MIL-SPEC AR-15/M4 DDC Buffer Tube Assembly w/Super 42 ComboThe Geissele Premium MIL-SPEC AR-15/M4 DDC Buffer Tube Assembly w/Super 42 Combo H3 08-163S-H3 features a high-quality buffer tube machined from 7075-T6 aluminum and finished in a durable Dark Earth Type 3 Hardcoat Anodize. It includes a Super 42 Braided Wire Spring and H3 buffer. The assembly is designed to enhance reliability and performance, with the braided spring providing improved energy absorption and reduced spring reverberation, while the H3 buffer offers optimal recoil management. This Geissele 08-163S-H3 combo ensures compatibility with most mil-spec AR-15 stocks and contributes to a smoother shooting experience. Enhance your AR-15 carbine's function and reliability with the Geissele MIL-SPEC AR-15/M4 Buffer Tube Assembly and Super 42 Braided Wire Spring and Buffer Combo. The buffer tube is machined from high-quality 7075-T6 aluminum and finished with a Type 3 Hardcoat Anodize, ensuring durability and conformance to mil-spec standards. It features six stock positions and fits most mil-spec diameter AR-15 stocks. Weighing 3.7 oz, it includes a mil-spec castle nut and end plate. The Super 42 Braided Wire Spring boasts a unique design with three independent strands of wire, similar to the German MG42 Machinegun spring. This design acts as both a harmonic damper and energy absorber, reducing the risk of spring failure and eliminating spring reverberations. It offers approximately 15% more return force than a standard spring, improving the carbine's performance, especially in dirty conditions or with steel case ammunition. Features of the Geissele MIL-SPEC AR-15/M4 Black Buffer Tube Assembly and Super 42 Braided Wire Spring and Buffer Combo: Buffer Tube: Machined from quality 7075-T6 AluminumBuffer Tube: Type 3 Hardcoat AnodizeBuffer Tube: Compatible with most mil-spec diameter quality AR-15 stocksSpring: Uses three independent strands of wire – the same design used by the German MG42 MachinegunSpring: Decreased risk of spring failure & enhances reliabilitySpring: Less likely to lose length and force over timeSpring: Eliminates the irritating spring reverberations heard and felt through the buttstockSpring: 15% stronger return force when compared to the standard springSpring: Greater reliability when weapon is dirty or when using steel case ammunition Geissele Premium MIL-SPEC AR-15/M4 DDC Buffer Tube Assembly w/Super 42 Combo H3 08-163S-H3