The Rock River Arms AR-15 A4 CMP Trainer 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
Made In United States of America
| Cartridge | 22 Long Rifle |
| Color | Black |
| Finish | Anodized |
| Material | Aluminum |
| Extra Features | Includes one 10 round magazine |
| Barrel Length | 20 Inches |
| Barrel Material | Stainless Steel |
| Barrel Finish | Stainless |
| Twist | 1:16 Inches |
| Threads | 1/2″-28 |
| Barrel Contour | HBAR |
| Sights | No |
| Chrome Lined | No |
| Upper Receiver Type | A4 Flat-Top |
| Handguard | Rifle length free float |
| Bolt Carrier Assembly Included | Yes |
| Muzzle Device | A2 Flash Hider |
| Country of Origin | United States of America |
| Compatible With |
AR-15 |
WARNING:ÂCancer and Reproductive Harm – www.P65Warnings.ca.gov.
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