Description
Buy Rock River Arms AR-15 R3 Competition Upper Receiver Assembly 223 Wylde 18″ Stainless Steel Barrel 15″ 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 | 18 Inches |
| Barrel Material | Stainless Steel |
| Barrel Finish | Stainless |
| Twist | 1:8 Inches |
| Threads | 1/2″-28 |
| Sights | No |
| Chrome Lined | No |
| Gas Block Diameter | 0.75 Inches |
| Gas System Length | Mid Length |
| M4 Feed Ramps | Yes |
| Upper Receiver Type | A3 Flat-Top |
| Handguard | 15″ M-Lok |
| Bolt Carrier Assembly Included | Yes |
| Muzzle Device | RRA Tuned and Ported Muzzle Brake |
| Country of Origin | United States of America |
| Compatible With |
AR-15
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Order Rock River Arms AR-15 R3 Competition Upper Receiver Assembly 223 Wylde 18″ Stainless Steel Barrel 15″ M-LOK Handguard Black Online






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