Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 10.5" Barrel, Carbine-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 9.5" M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Handle WH-UR-10.5-556
Specifications
| Barrel_Length | 10.5" |
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| Caliber | 223 Remington |
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| Caliber | 556NATO |
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| Color | Black |
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| Finish | Anodized |
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| Fit | AR-15 |
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| Manufacturer_part__ | WH-UR-10.5-556 |
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| Model | Workhorse |
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| Sub_Category | Upper Receivers |
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| Type | Upper |
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