Dpms Ar 10 Oem Nitride .308 Bcg 9310 Bolt 8620 Carrier Gas Key Staked

The DPMS DP51655141280 AR-10 OEM NITRIDE .308 BCG from Dpms delivers a robust bolt carrier group designed for AR-10 platforms, combining reliability with enhanced durability through nitride treatment and high-strength materials. This bolt carrier group features a 9310 steel bolt assembly paired with extra strength extractor springs for improved extraction performance and consistent lockdown under demanding fire cycles, while the 8620 carrier is nitride treated to resist wear and corrosion. The nitride-treated gas key is properly staked with grade 8 fasteners to ensure secure gas flow and dependable cycling in adverse conditions. Built for precision and longevity, this BCG delivers smooth operation and consistent headspace management, making it a solid choice for rifle builders and upgrading AR-10 rifles that demand a reliable, durable bolt carrier group. The combination of steel construction and nitride finish provides reduced friction, easier maintenance, and enhanced resistance to galling, enabling sustained use in varying environments and high-volume shooting scenarios. Whether upgrading existing Dakota-style or modern AR-10 builds, this DPMS nitride bolt carrier group helps maintain accuracy and reliability across a wide range of calibers and setups.