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Genuine Colt 9mm AR-15/M16 magazine well adapter that converts standard AR-15/M16 lowers for use with Colt 9mm upper receivers.
- Accepts Colt 9mm style magazines (including those from Metalform or Brownells)
- Includes ejector and feedramp
- Adapter machined from aluminum with steel hardware and components
- Receiver modification required for installation
Recommended to be installed by a competent gunsmith.
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