Colt’s Manufacturing M4 Upper 5.56/.223
$179.99
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Product Summary
The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. All Colt M4 Upper Receivers include a forward assist and dust cover. Machined with M4 Feed Ramps and laser engraved T-marks on the Picatinny rail. A thoroughbred upper receiver perfect for a new duty gun or clone build. Right side of the upper receiver has a stamped Cage Code of 13629. This is an identifier used by the Federal government for parts suppliers and procurements, 13629 is Colt Defense LLC’s designation.
- Platform: AR-15, M4, M16
- Caliber: 5.56 Nato/.223 Rem
- Cage Code Marked Upper
- M4 Feed Ramps
- Includes Forward Assist and Dust Cover
Detailed Description
The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. All Colt M4 Upper Receivers include a forward assist and dust cover. Machined with M4 Feed Ramps and laser engraved T-marks on the Picatinny rail. A thoroughbred upper receiver perfect for a new duty gun or clone build. Right side of the upper receiver has a stamped Cage Code of 13629. This is an identifier used by the Federal government for parts suppliers and procurements, 13629 is Colt Defense LLC’s designation.
- Platform: AR-15, M4, M16
- Caliber: 5.56 Nato/.223 Rem
- Cage Code Marked Upper
- M4 Feed Ramps
- Includes Forward Assist and Dust Cover
Specifications
Overview
| Brand |
|---|
Technical Information
| Caliber |
5.56 NATO / .223 Remington |
|---|---|
| Color / Pattern |
Black |
| Firearm Compatibility |
Customer Reviews
Based on 1 review
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J
Picked this receiver as part of a Block II rifle build. Don't buy expecting pristine finish.... true to Colt form it does show some character, even for a brand new part. Mine had dot matrix cage code and square forge mark. Maybe not a museum piece but it's definitely quality, would buy again.
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