Sons of Liberty Gun Works M4-89 Complete Upper, 300 Blackout, 16" Combat Barrel, 1:7" Twist, QPQ Finish, Black, 15" M89 M-LOK Handguard, A2 Flash Hider M489UPPER-16-300
Specifications
| Barrel_Length | 16" |
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| Caliber | 300 Blackout |
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| Color | Black |
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| Description | MLOK |
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| Finish | QPQ |
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| Manufacturer_part__ | M489UPPER-16-300 |
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| Model | M4 |
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| Model1 | 89 |
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| Sub_Category | Complete Upper Receivers |
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| Type | Upper |
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| Type_of_Barrel | 1:07 |
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