About this bolt
Colt's Manufacturing Colt M4 Bolt Repair Kit is a bolt for AR-15.
Match the bolt to the barrel extension and caliber: 5.56/.223 and 300 Blackout share a bolt, 6.5 Grendel and 7.62x39 do not. On an AR-10 pattern rifle confirm the carrier is the right pattern (DPMS or Armalite) for your receiver.
Manufacturer details
Features
- Includes:
- Extractor
- Bolt Rings
- Ejector
- Safety Detent Spring
- Extractor Spring Assembly
- Extractor Pin
- Ejector Spring Pin
Specifications
- Brand: Colt's Manufacturing
- Fits: AR-15
- Color: Black
- Manufacturer Part #: SPK403979
- UPC: 098289600448
Buying from WBT Guns
- Delivery: Ships to your door anywhere in the United States, or pick it up free at our La Mesa store.
- Payment: Pay in full or finance with Credova.
- Questions: Fitment or compatibility questions? Call (619) 667-9453 or email sales@wbtguns.com. FAQ
WBT Guns is family-owned in La Mesa, California, and has served shooters since 2012.
A note on accuracy. Specifications, fitment and images come from the manufacturer and can contain errors or change without notice. If a detail matters to your purchase, call us and we will confirm it before you order. Any compliance notes are general information, not legal advice; California and local laws change, and the rules that apply depend on the firearm the part goes on.
