Harrington & Richardson Retro 604 "Air Force" Complete Upper Receiver, 1/7 Twist, Gray
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Harrington & Richardson Retro 604 Air Force Complete Upper Receiver. Grey anodized slick-sided upper receiver with a 20 inch parkerized 5.56 NATO barrel, rifle-length gas system, and C158 BCG. Includes 1/7 twist rate.
Specifications
- Manufacturer:
- Harrington & Richardson
- Category:
- upper-receiver
- Platforms:
- AR-15
- Length:
- 20.0"
- UPC:
- HR516551628506
- Required Component:
- Yes
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