The CMC Triggers AR-15 8-Position Buffer Kit provides a complete buffer tube assembly with A5 length buffer and precision-machined components for reliable AR-15 platform performance.CMC Triggers AR-15 8-Position Buffer Kit with A5 Style BufferMachined from 6061-T6 aluminum for durabilityMIL-A-8625 Type III Class 2 hard anodized finishIncludes castle nut and QD receiver end platePrecision drainage holes for marine environments8-position adjustable buffer tubeComplete buffer tube assembly ready for installationEngineered for AR-15 builds requiring reliable buffer system performance in demanding conditions with military-specification materials and finish for long-lasting durability.