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.300 Blackout Uppers

Start your build off right with a 300 blackout upper from Palmetto State Armory. We offer AR-15 uppers in various barrel lengths and finishes to fit the needs of your build. We also carry 300 blackout kits, complete guns, and 300 blackout ammo. We have you covered with all things 300 blackout related. 

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  1. PSA 7" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper No BCG & CH

    PSA 7" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok Upper No BCG & CH

    Out of Stock
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  2. PSA 7.5" Pistol-length 300AAC Blackout Phosphate 7" Lightweight M-Lok Upper No BCG or CH & with Vortex Sparc

    PSA 7.5" Pistol-length 300AAC Blackout Phosphate 7" Lightweight M-Lok Upper No BCG or CH & with Vortex Sparc

    Rating:
    97%
    (15)
    Out of Stock
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  3. PSA 7" 300AAC Phosphate 6" Lightweight Hex M-Lok Upper - With BCG & Charging Handle

    PSA 7" 300AAC Phosphate 6" Lightweight Hex M-Lok Upper - With BCG & Charging Handle

    Rating:
    97%
    (15)
    Out of Stock
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  4. PSA 8.5" Pistol-length 300AAC Blackout Nitride 7" Quad-Rail Upper - No BCG or CH

    PSA 8.5" Pistol-length 300AAC Blackout Nitride 7" Quad-Rail Upper - No BCG or CH

    Rating:
    87%
    (11)
    Out of Stock
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  5. PSA 7.5" Pistol-Length 300AAC Nitride 6" M-Lok - w/o BCG & CH

    PSA 7.5" Pistol-Length 300AAC Nitride 6" M-Lok - w/o BCG & CH

    Rating:
    100%
    (1)
    Out of Stock
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  6. PSA 8.5" PL 300AAC Phos 7" Mlok Upper No BCG & CH

    PSA 8.5" PL 300AAC Phos 7" Mlok Upper No BCG & CH

    Rating:
    95%
    (17)
    Out of Stock
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  7. PSA 7.5" 300AAC Blackout Nitride 6" Lightweight M-Lok Upper Without BCG & CH

    PSA 7.5" 300AAC Blackout Nitride 6" Lightweight M-Lok Upper Without BCG & CH

    Rating:
    99%
    (24)
    Out of Stock
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  8. PSA 8.5" Pistol-length 300AAC Phos 7" Lightweight Hex M-Lok Upper without BCG & CH

    PSA 8.5" Pistol-length 300AAC Phos 7" Lightweight Hex M-Lok Upper without BCG & CH

    Rating:
    96%
    (34)
    Out of Stock
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  9. BLEM PSA 10.5" Pistol-Length 300AAC 1/8 Phosphate12" Slant M-lok Upper without BCG-CH

    BLEM PSA 10.5" Pistol-Length 300AAC 1/8 Phosphate12" Slant M-lok Upper without BCG-CH

    Rating:
    100%
    (4)
    Out of Stock
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  10. PSA 10.5" Phos Pistol-Length 300 Blackout B5 MLOK Upper Without BCG & CH, Black

    PSA 10.5" Phos Pistol-Length 300 Blackout B5 MLOK Upper Without BCG & CH, Black

    Rating:
    99%
    (21)
    Out of Stock
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  11. PSA 8.5" Pistol Length 300AAC Blackout 1:7 Nitride 7" Timber Creek M-Lok Upper No BCG & CH

    PSA 8.5" Pistol Length 300AAC Blackout 1:7 Nitride 7" Timber Creek M-Lok Upper No BCG & CH

    Rating:
    100%
    (1)
    Out of Stock
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  12. PSA 10.5" Pistol-Length 300AAC Blackout Nitride 12" Slant Hex M-Lok MOE EPT SBA3 Pistol Kit

    PSA 10.5" Pistol-Length 300AAC Blackout Nitride 12" Slant Hex M-Lok MOE EPT SBA3 Pistol Kit

    Rating:
    100%
    (2)
    Out of Stock
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  13. PSA 10.5" Pistol-Length 300AAC Phosphate 9" Lightweight Hex M-Lok Upper - With BCG & CH

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

    Rating:
    92%
    (5)
    Out of Stock
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  14. BLEM PSA 10.5" Pistol-Length 300AAC 1/8 Phos 9" MLOK W/ BCG-CH

    BLEM PSA 10.5" Pistol-Length 300AAC 1/8 Phos 9" MLOK W/ BCG-CH

    Rating:
    100%
    (2)
    Out of Stock
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  15. PSA 7" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok MOE EPT SBA3 Pistol Kit

    PSA 7" 300AAC Blackout Nitride 6" Lightweight Hex M-Lok MOE EPT SBA3 Pistol Kit

    Rating:
    100%
    (1)
    Out of Stock
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  16. PSA 7" 300AAC Phosphate 6" Lightweight Hex M-Lok MFT EPT Battlelink Pistol Kit

    PSA 7" 300AAC Phosphate 6" Lightweight Hex M-Lok MFT EPT Battlelink Pistol Kit

    Rating:
    90%
    (4)
    Out of Stock
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  17. PSA 8.5" Pistol-length 300AAC Phosphate 7" Lightweight Hex M-Lok Upper with BCG & CH

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

    Rating:
    100%
    (26)
    Out of Stock
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  18. PSA 7.5" Pistol-Length 300AAC Phosphate 6" Lightweight M-Lok, without BCG & CH

    PSA 7.5" Pistol-Length 300AAC Phosphate 6" Lightweight M-Lok, without BCG & CH

    Rating:
    96%
    (25)
    Out of Stock
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  19. PSA 7.5" Pistol-length 300AAC Blackout Phosphate 7" Lightweight Hex M-Lok Upper Without BCG or CH

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

    Rating:
    96%
    (42)
    Out of Stock
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  20. PSA 16" 300AAC Blackout Pistol-Length Nitride 13" Lightweight Hex M-Lok Freedom Rifle Kit

    PSA 16" 300AAC Blackout Pistol-Length Nitride 13" Lightweight Hex M-Lok Freedom Rifle Kit

    Rating:
    98%
    (9)
    Out of Stock
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  21. PSA 7.5" Pistol-length 300AAC 1/8 Phosphate 7" Full Picatinny M-Lok MFT Battlelink Pistol Kit

    PSA 7.5" Pistol-length 300AAC 1/8 Phosphate 7" Full Picatinny M-Lok MFT Battlelink Pistol Kit

    Rating:
    100%
    (1)
    Out of Stock
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  22. PSA 16" 300AAC Blackout Pistol-Length 1/8 Nitride 13.5" Lightweight M-Lok Freedom Rifle Kit

    PSA 16" 300AAC Blackout Pistol-Length 1/8 Nitride 13.5" Lightweight M-Lok Freedom Rifle Kit

    Out of Stock
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  23. PSA 7" 300AAC 1/7 Phosphate Pistol Length 300AAC Blackout Marauder AR-15 Upper Assembly, Black - No BCG/CH

    PSA 7" 300AAC Phosphate Pistol Length 300AAC Blackout Marauder AR-15 Upper Assembly, Black - No BCG/CH

    Rating:
    98%
    (61)
    Out of Stock
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  24. PSA 10.5" Pistol-Length 300AAC 1/8 Phosphate 9" Lightweight M-Lok Upper - With BCG & CH

    PSA 10.5" Pistol-Length 300AAC 1/8 Phosphate 9" Lightweight M-Lok Upper - With BCG & CH

    Rating:
    98%
    (23)
    Out of Stock
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Items 49-72 of 219

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