Lead and Steel Tin Bolt Carrier ARC 556 300BLK for AR Rifles

The Lead & Steel ARC-BCG-SC-TIN ARC 556/300BLK Tin Bolt Carrier is a precision-formed bolt carrier group designed to maximize reliability and smooth operation in modern AR platforms, delivering dependable performance for 5.56 and .300 Blackout configurations. Crafted with a tin-coated finish, this BCG enhances corrosion resistance and reduces friction under demanding operating conditions, helping shooters maintain consistent cycling and cleaner operation over time. The ARC SC-TIN is engineered for precise fit and durable construction, providing dependable chamber locking, extractor feel, and compatibility with standard upper receivers to support everything from routine range sessions to field use. Ideal for builders and shooters seeking an affordable upgrade that preserves or improves reliability without adding complexity, it pairs well with both semi-automatic rifles and proven suppressor-appropriate configurations where bolt carrier performance is critical. Whether you're upgrading an existing rifle or assembling a new build, the Lead & Steel bolt carrier delivers steady, repeatable function, helping you focus on shot placement. This bolt carrier is a practical choice for shooters who value consistent cycling, easy maintenance, and long-term endurance in their AR-platform assemblies.