Toolcraft Nickel Boron BCG AR10 308 OCKS Bolt Carrier Group

Toolcraft Nickel Boron BCG AR10 308 OCKS Bolt Carrier Group OCKS Screws properly staked at Toolcraft The Toolcraft Nickel Boron BCG AR10 / 308 Bolt Carrier Group – Nickel Boron is a durable and high-performing component designed for DPMS-pattern AR-10 rifles chambered in .308 Winchester and related calibers within the 308 parent cartridge family. Manufactured in the U.S.A. and backed by a 100% no-questions-asked lifetime warranty, this BCG is ideal for builders seeking a reliable, easy-to-clean upgrade for their AR-10 platform. This bolt carrier group features a 9310 steel bolt and an 8620 steel carrier, both coated in Nickel Boron to enhance corrosion resistance, surface hardness, and lubricity. The carrier includes forward assist serrations and a 4140 steel gas key, which is secured with OCKS screws and properly staked for long-term durability. The bolt is MPI-inspected to ensure structural integrity under high-pressure firing conditions. The bolt assembly includes a D2 steel extractor equipped with a Mil-Spec O-ring, triple gas rings, and a 8620 steel cam pin. A 8740 stainless steel firing pin completes the assembly, contributing to consistent ignition and dependable performance. All components are factory-coated and assembled by Toolcraft, ensuring full warranty coverage and uniform quality. This standard model is fully compatible with most .308 Winchester family cartridges. Toolcraft is a respected OEM supplier for the U.S. military and several commercial manufacturers. Every Toolcraft BCG sold us are sourced directly from the manufacturer, never re-coated by third parties, preserving Toolcraft’s full warranty. With proven materials, high-precision machining, and premium finishes, this AR-10 Nickel Boron BCG is an excellent choice for shooters who demand reliability and ease of maintenance. Bolt Shot Peened; MPI Inspected Bolt Material 9310 Steel Bolt Finish Nickel Boron Pattern DPMS LR308 Extractor O-ring Mil Spec Carrier Material 8620 Steel, Toolcraft Proprietary Carrier Finish Nickel Boron Carrier Design Full Auto Style, Foward Assist Serrations Gas Key Material 4140 Steel; OCKS Gas Key Screws Cam Pin Material 8620 Steel Cam Pin Finish Nickel Boron Firing Pin Material 8740 Steel; Hard Chrome Plated