Description
Buy Rock River Arms AR-15 Mountain Upper Receiver Assembly 223 Remington (Wylde) 10.5″ Chrome Moly Barrel 9.5″ Handguard Black Online
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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 | 10.5 Inches |
| Barrel Material | 4150 Chrome Moly Steel |
| Barrel Finish | Black |
| Twist | 1:7 Inches |
| Threads | 1/2″-28 |
| Sights | No |
| Chrome Lined | No |
| Gas Block Diameter | 0.75 Inches |
| Gas System Length | Pistol |
| M4 Feed Ramps | Yes |
| Upper Receiver Type | A3 Flat-Top |
| Handguard | 9.5″ RRA Mountain |
| Bolt Carrier Assembly Included | Yes |
| Muzzle Device | A2 Flash Hider |
| Country of Origin | United States of America |
| Compatible With |
AR-15 |
Order Rock River Arms AR-15 Mountain Upper Receiver Assembly 223 Remington (Wylde) 10.5″ Chrome Moly Barrel 9.5″ Handguard Black Online
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