The LBE Unlimited AR-15 Bolt Carrier Gas Key (brand part no. ARGKASY) is a high-quality replacement or upgrade part for a worn or damaged gas key on an AR-15 bolt carrier group. Finished with a durable manganese phosphate coating, it is built for long-lasting performance in demanding environments, from the range to hard field use. A worn or loose gas key can cause gas leaks and cycling reliability issues, so a fresh, properly finished key is a real functional upgrade, not just a cosmetic one. It is a straightforward part for anyone building or rebuilding an AR-15 bolt carrier group.

Key Specifications

• Built as a replacement or upgrade part for an AR-15 bolt carrier group.
• Finished with a durable manganese phosphate coating.
• Built for long-lasting performance in demanding environments.
• Sized for the AR-15 platform.
• Classified as a Bolt Carrier Group Part.

Frequently Asked Questions

What is this gas key made for? It is a replacement or upgrade part for an AR-15 bolt carrier group.

What finish does this gas key have? It has a durable manganese phosphate coating.

Buy the LBE Unlimited AR-15 Bolt Carrier Gas Key

Keep your bolt carrier group cycling reliably with a gas key from LBE Unlimited. Browse more upper parts in our AR bolt carrier groups category, and order it from our Lubbock, Texas gun shop for fast shipping.