The CMMG Bolt Rehab Kit (brand part number 55AFF68) bundles every small part that typically wears out or goes missing on an AR-15 bolt, sized for 223 Remington/5.56x45mm NATO bolts. Instead of hunting down individual mil-spec parts one at a time, this kit gives you everything needed to rebuild a tired bolt in one box. It’s the fastest way to bring an older or heavily used AR-15 bolt back to full reliability.

Key Specifications

• Sized for 223 Remington/5.56x45mm NATO AR-15 bolts.
• Includes a firing pin.
• Includes a firing pin retaining pin.
• Includes three gas rings.
• Includes an extractor.
• Includes an extractor O-ring.
• Includes an extractor pin.
• Includes a bolt carrier retaining pin.
• Includes an extractor retaining pin.
• All parts are built to mil-spec tolerances.

Frequently Asked Questions

What’s included in this kit? A firing pin, firing pin retaining pin, three gas rings, an extractor with pin and O-ring, a bolt carrier retaining pin, and an extractor retaining pin.

Are these mil-spec parts? Yes, all parts in the kit are built to mil-spec tolerances.

Buy the CMMG Bolt Rehab Kit for AR-15, 223 Rem/5.56x45mm NATO

Bring a tired bolt back to full reliability. Order from our CMMG lineup of small AR-15 parts from a Lubbock, TX gun shop.