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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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Items 25-48 of 171

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  1. PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-Lok Upper - With BCG & CH

    PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-Lok Upper - With BCG & CH

    Rating:
    98%
    (21)
    $329.99
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  2. PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-Lok Upper No BCG or CH

    PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-Lok Upper No BCG or CH

    Rating:
    97%
    (119)
    $229.99
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  3. PSA 7" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper W/BCG & CH

    PSA 7" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper W/BCG & CH

    Rating:
    98%
    (26)
    $319.99
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  4. PSA 7.5" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper With BCG & CH

    PSA 7.5" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper With BCG & CH

    Rating:
    80%
    (2)
    $319.99
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  5. PSA 7.5" Pistol-length 300AAC Blackout Nitride 7" Lightweight Hex M-Lok Upper With BCG & CH

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

    Rating:
    94%
    (7)
    $319.99
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  6. PSA 16" Pistol-Length 300AAC Blackout Nitride 13" Lightweight Hex M-Lok Upper - No BCG or CH

    PSA 16" Pistol-Length 300AAC Blackout Nitride 13" Lightweight Hex M-Lok Upper - No BCG or CH

    Rating:
    98%
    (81)
    $249.99
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  7. PSA 16" Pistol-Length 300AAC Blackout Nitride 13" Lightweight Hex M-LOK Upper - With BCG, CH, & MBUS Sight Set

    PSA 16" Pistol-Length 300AAC Blackout Nitride 13" Lightweight Hex M-LOK Upper - With BCG, CH, & MBUS Sight Set

    Rating:
    100%
    (11)
    $389.99
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  8. Tacfire 10" Complete Upper Assembly .300 AAC Blackout 1:8, Black - BU-300-10

    Tacfire 10" Complete Upper Assembly .300 AAC Blackout 1:8, Black - BU-300-10

    Rating:
    100%
    (2)
    Regular Price $321.99 Special Price $289.99
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  9. Tacfire 16" Complete Upper Assembly .300 AAC Blackout 1:8, Black - BU-300-16

    Tacfire 16" Complete Upper Assembly .300 AAC Blackout 1:8, Black - BU-300-16

    Rating:
    100%
    (3)
    Regular Price $331.99 Special Price $298.99
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  10. Patriot Ordnance Factory P415 Edge 10.5" Complete Upper .300 AAC Blackout, Black - 1515

    Patriot Ordnance Factory P415 Edge 10.5" Complete Upper .300 AAC Blackout, Black - 1515

    $1,359.00
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  11. Daniel Defense .300 AAC Blackout Upper with 10.3" Barrel, Black - 2308819020047

    Daniel Defense .300 AAC Blackout Upper with 10.3" Barrel, Black - 2308819020047

    Regular Price $1,452.00 Special Price $1,351.00
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  12. PSA 8.5" Pistol-length 300AAC Blackout Nitride 7" Lightweight M-Lok Upper - No BCG or CH

    PSA 8.5" Pistol-length 300AAC Blackout Nitride 7" Lightweight M-Lok Upper - No BCG or CH

    Rating:
    97%
    (99)
    $219.99
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  13. PSA 7" 300AAC Blackout MOE "Marauder" Pistol Upper - NO BCG or CH

    PSA 7" 300AAC Blackout MOE "Marauder" Pistol Upper - NO BCG or CH

    Rating:
    94%
    (173)
    $199.99
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  14. PSA 8.5" Pistol-length 300AAC Blackout Nitride 7" Lightweight M-Lok Upper - No BCG or CH

    PSA 8.5" Pistol-length 300AAC Blackout Nitride 7" Lightweight M-Lok Upper - No BCG or CH

    Rating:
    95%
    (35)
    $219.99
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  15. PSA 16" Pistol-Length 300AAC Blackout Nitride 15" Lightweight M-Lok Upper - With BCG & CH - 5165450142

    PSA 16" Pistol-Length 300AAC Blackout Nitride 15" Lightweight M-Lok Upper - With BCG & CH - 5165450142

    Rating:
    93%
    (105)
    $349.99
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  16. ar-15 barreled upper assemblies

    PSA 8.5" Pistol-length 300AAC Nitride 7" Lightweight M-Lok Upper with BCG & CH

    Rating:
    94%
    (106)
    $319.99
    Add to Wish List Add to Compare
  17. PSA 7.5" 300AAC Blackout Nitride 9" Lightweight M-Lok Upper With BCG & CH

    PSA 7.5" 300AAC Blackout Nitride 9" Lightweight M-Lok Upper With BCG & CH

    Rating:
    96%
    (66)
    $319.99
    Add to Wish List Add to Compare
  18. PSA 10.5" Pistol-Length 300AAC 12" Lightweight M-Lok Slant Upper - With BCG, CH, & MBUS Sight Set - 5165449836

    PSA 10.5" Pistol-Length 300AAC 12" Lightweight M-Lok Slant Upper - With BCG, CH, & MBUS Sight Set - 5165449836

    Rating:
    94%
    (88)
    $379.99
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  19. 8.5" 300 aac blackout upper

    PSA 8.5" Pistol-length 300AAC Blackout Nitride 7" Lightweight M-Lok Upper With BCG & CH - 5165449777

    Rating:
    97%
    (88)
    $319.99
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  20. PSA 10.5" Pistol Length 300AAC Nitride 10.5" M-Lok Upper - With BCG & CH - 5165449628

    PSA 10.5" Pistol Length 300AAC Nitride 10.5" M-Lok Upper - With BCG & CH - 5165449628

    Rating:
    95%
    (124)
    $329.99
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  21. 300 blackout upper receiver kit

    PSA 16" Pistol-Length 300AAC Blackout Nitride 15" Lightweight M-Lok Upper - With BCG & CH - 5165448932

    Rating:
    96%
    (283)
    $349.99
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  22. side view of barreled upper assembly for sale

    PSA 10.5" Pistol Length 300AAC Blackout Nitride 9" Lightweight M-Lok Freedom Upper - With BCG & CH - 516446429

    Rating:
    97%
    (112)
    $329.99
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  23. PSA 7.5" Pistol-length 300AAC Blackout Phosphate 7" Lightweight M-Lok Upper Without BCG or CH

    PSA 7.5" Pistol-length 300AAC Blackout Phosphate 7" Lightweight M-Lok Upper Without BCG or CH

    Rating:
    95%
    (86)
    Out of Stock
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  24. PSA 8.5" Pistol-length 300AAC Blackout Phosphate 7" Lightweight M-Lok Upper With BCG & CH

    PSA 8.5" Pistol-length 300AAC Blackout Phosphate 7" Lightweight M-Lok Upper With BCG & CH

    Rating:
    95%
    (218)
    Out of Stock
    Add to Wish List Add to Compare
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Items 25-48 of 171

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