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300 Blackout Uppers

Enhance your rifle's performance with our premium .300 Blackout barreled upper assemblies, engineered for superior accuracy and optimal versatility. Ideal for both subsonic and supersonic loads, these upper assemblies provide reliable functionality and seamless compatibility with your AR-15 platform.

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  1. Bushmaster Minimalist-SQ .300 Blackout 16" Barrel Flat-Top Complete Upper Assembly - 90026

    Bushmaster Minimalist-SQ .300 Blackout 16" Barrel Flat-Top Complete Upper Assembly - 90026

    Out of Stock
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  2. Radical Firearms .300 AAC Blackout 16" Barrel Complete Upper w/ 15" FCR, Type III Anodized/Melonite - CFU16-300HBAR-15FCR

    Radical Firearms .300 AAC Blackout 16" Barrel Complete Upper w/ 15" FCR, Type III Anodized/Melonite - CFU16-300HBAR-15FCR

    Out of Stock
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  3. PSA 300 Blackout 7.5" Pistol Upper Right Side View

    PSA 7.5" Pistol-length 300AAC Blackout Phosphate 7" Lightweight M-Lok Upper With BCG & CH - 5165447525

    Rating:
    98%
    (60)
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