Description
Buy Rock River Arms AR-15 Varmint A4 Upper Receiver Assembly 223 Wylde 20″ Stainless Steel Barrel M-LOK Handguard Black Online
The Rock River Arms AR-15 Upper Receiver Assembly is designed to pin onto any mil-spec lower receiver. Just add an optic, or set of sights, and you are ready to send lead downrange!
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Features
- Flattop upper receiver
- Mil-spec compatible
- Anodized finish
Specifications
Product Information
| Cartridge | 223 Remington |
| Color | Black |
| Finish | Anodized |
| Material | Aluminum |
| Barrel Length | 20 Inches |
| Barrel Material | Stainless Steel |
| Barrel Finish | Stainless |
| Twist | 1:8 Inches |
| Barrel Contour | Bull |
| Sights | No |
| Chrome Lined | No |
| Gas Block Diameter | 0.92 Inches |
| Gas System Length | Rifle |
| M4 Feed Ramps | Yes |
| Upper Receiver Type | A4 Flat-Top |
| Handguard | 17″ RRA Lightweight Free Float M-Lok |
| Bolt Carrier Assembly Included | Yes |
| Country of Origin | United States of America |
| Compatible With |
AR-15 |
Order Rock River Arms AR-15 Varmint A4 Upper Receiver Assembly 223 Wylde 20″ Stainless Steel Barrel M-LOK Handguard Black Online
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