The Luth-AR BC-A-223C Full Assembly Bolt Carrier 223 Manganese Phosphate is a complete, ready-to-run bolt carrier group for standard .223 Remington and 5.56 NATO AR-15 uppers. Built around a heat-treated 8620 steel carrier with chrome-lined bores and a manganese phosphate exterior, it is designed to deliver smooth cycling, reliable gas sealing, and straightforward maintenance.

This fully assembled group arrives with the bolt, extractor, carrier key, cam pin, firing pin, and retaining pin already installed, so you can simply lubricate and drop it into your upper without additional fitting or parts sourcing. It is well suited for general range use, training, and keeping a dependable spare on hand for your primary rifle. Luth-AR’s focus on practical AR components and consistent manufacturing makes this bolt carrier group a solid choice for builders and shooters alike.

Key Features:

• Manufacturer: Luth-AR
• Model: BC-A-223C Complete Bolt Carrier Group .223/5.56 Manganese Phosphate
• Caliber: .223 Rem / 5.56 NATO
• Platform: AR-15
• Carrier Material: 8620 Steel
• Cam Pin Material: 4340 Alloy Steel
• Carrier Key Material: 4130 Alloy Steel
• Interior Finish: Chrome Lined Bores
• Exterior Finish: Manganese Phosphate
• Condition: Fully Assembled
• Gas Key: Installed And Staked