Product Description The CMMG .308 Standard Mil-Spec Firing Pin (MPN: CMM38BA4D3) is a precision-manufactured replacement firing pin engineered for .308 Winchester AR-308 and MK3 platform rifles. Built to exacting military specifications, this firing pin ensures reliable primer ignition and consistent performance cycle after cycle. Whether you are performing routine maintenance, replacing a worn or damaged component, or completing a custom AR-308 build, this CMMG firing pin delivers the fit, function, and durability that shooters demand from a trusted firearms parts manufacturer. Product Highlights Designed specifically for .308 Winchester AR-308 and MK3 platform rifles for a reliable drop-in fit Manufactured to standard mil-spec tolerances ensuring consistent primer ignition and dependable cycling Precision-machined construction for long-lasting durability and sustained performance Ideal for replacement, routine maintenance, or new custom AR-308 platform builds Backed by CMMG&';s reputation for producing high-quality, reliable AR platform components Specs Brand: CMMG MPN: CMM38BA4D3 UPC: 815835012537 Caliber: .308 Winchester Platform: AR-308 / MK3 Type: Standard Mil-Spec Firing Pin Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.