Rock River Arms AR-15 Upper Receiver Assembly 450 Bushmaster 16″ Barrel M-LOK Handguard Black
Product Overview
Specifications
Product Information
Cartridge | 450 Bushmaster |
Color | Black |
Finish | Anodized |
Material | Aluminum |
Extra Features | Includes one 5 round magazine |
Barrel Length | 16 Inches |
Barrel Material | Chrome Moly Steel |
Barrel Finish | Black |
Twist | 1:24 Inches |
Threads | 5/8″-32 |
Sights | No |
Chrome Lined | No |
Gas Block Diameter | 0.75 Inches |
Gas System Length | Mid-Length |
Upper Receiver Type | A4 Flat-Top |
Handguard | 13″ Free Float M-Lok |
Bolt Carrier Assembly Included | Yes |
Muzzle Device | RRA Operator Brake |
Country of Origin | United States of America |
Compatible With |
AR-15 |
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