Product Description The LWRC International Advanced Direct Impingement Bolt Carrier Group (BCG) for 6.8mm Remington SPC represents the pinnacle of bolt carrier group engineering for AR-15 platform firearms. Originally developed in direct response to a US Army initiative to improve the M4 Carbine, this BCG raises the bar beyond standard MIL-SPEC components through LWRCI&';s proprietary design technology paired with industry-leading machining and advanced material science. The carrier is machined from 8620 steel and finished in a premium nickel boron coating that dramatically reduces friction, improves corrosion resistance, and facilitates smoother cycling. The Advanced Combat Bolt is crafted from high-tech alloys typically reserved for Formula 1 racing transmission components, delivering outstanding durability and dimensional consistency. In rigorous testing, this BCG ran over 10,000 rounds without a single stoppage or failure on a host weapon that was neither cleaned nor lubricated throughout the entire test, demonstrating an extraordinary level of reliability that far exceeds conventional alternatives. The keyless carrier design further contributes to improved reliability and longer part replacement life cycles, making this BCG an exceptional choice for competitive shooting, tactical applications, and demanding field use. Product Highlights Exceptional Endurance: Tested to over 10,000 rounds without stoppage or failure, even without cleaning or lubrication during the test period. Premium Nickel Boron Finish: Provides superior wear resistance, corrosion protection, and a self-lubricating surface for smoother, more consistent cycling. High-Tech Alloy Construction: Carrier machined from 8620 steel; Advanced Combat Bolt built from alloys normally reserved for Formula 1 racing engine components. AR-15 Compatible: Designed as a direct-fit upgrade for AR-15 platform rifles chambered in 6.8mm Remington SPC. Superior Reliability Over MIL-SPEC: Engineered to outperform standard MIL-SPEC BCGs with increased reliability and extended part replacement life cycles. Specs Brand: LWRC / LWRCI Manufacturer Part Number (MPN): 200-0091A03 UPC: 859890005820 Caliber: 6.8mm Remington SPC Finish: Nickel Boron Carrier Material: 8620 Steel Bolt Material: High-Tech Steel Alloy Compatible Platform: AR-15 Hand: Right-hand Operation Type: Direct Impingement Assembly: Complete Bolt Carrier Group 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. ]]>