Harrington & Richardson Retro 635 16" 9mm Carbine Upper, 1/10 Twist, Gray
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The Harrington & Richardson Retro 635 9mm Carbine Upper, styled after the original AR SMG. Compatible with Colt-style magazines; ASC and Metalform are recommended. The receiver is hard coat anodized gray. Compatible with PX9 lower receivers.
Specifications
- Manufacturer:
- Harrington & Richardson
- Category:
- upper-receiver
- Caliber:
- 9mm Luger
- Platforms:
- AR-15
- Required Component:
- Yes
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