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  1. Centurion Arms CM4 5.56 Forged Upper Receiver
    Centurion Arms CM4 5.56 Forged Upper Receiver
    $109.25
    Out of stock
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  2. Maxim Defense MDX 505 PDX 5.56 NATO Mil-Spec Complete Upper - 5.5" Urban Grey
    Maxim Defense MDX 505 PDX 5.56 NATO Mil-Spec Complete Upper - 5.5" Urban Grey
    $1,165.50
    Out of stock
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  3. Sionics Weapon Systems (SWS) AR-15 Premium Complete 5.56 Upper Receiver - 11.5" (Phosphate BCG)
    Sionics Weapon Systems (SWS) AR-15 Premium Complete 5.56 Upper Receiver - 11.5" (Phosphate BCG)
    $789.95
    Out of stock
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  4. Sionics Weapon Systems (SWS) AR-15 Premium Complete 5.56 Upper Receiver - 16" (Phosphate BCG)
    Sionics Weapon Systems (SWS) AR-15 Premium Complete 5.56 Upper Receiver - 16" (Phosphate BCG)
    $789.95
    Out of stock
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  5. Rainier Arms Exclusive Rainier Arms / Rellim Arms AR-15 .223 Wylde Take Down Upper Receiver Assembly - 8.5"
    Rainier Arms / Rellim Arms AR-15 .223 Wylde Take Down Upper Receiver Assembly - 8.5"
    $1,199.99
    Out of stock
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  6. Rainier Arms Exclusive Rainier Arms / Rellim Arms AR-15 5.56 NATO Take Down Upper Receiver Assembly - 16"
    Rainier Arms / Rellim Arms AR-15 5.56 NATO Take Down Upper Receiver Assembly - 16"
    $1,199.99
    Out of stock
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  7. Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 16"
    Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 16"
    $855.00
    Out of stock
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  8. Sons of Liberty Gun Works M4-EXO3 5.56 AR-15 Upper - 13.7"
    Sons of Liberty Gun Works M4-EXO3 5.56 AR-15 Upper - 13.7"
    $807.50
    Out of stock
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  9. Daniel Defense DD4 RIII S 5.56 Nato Complete Upper Receiver - 11.5" FDE
    Daniel Defense DD4 RIII S 5.56 Nato Complete Upper Receiver - 11.5" FDE
    $1,412.00
    Out of stock
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  10. Angstadt Arms AR-15 5.56 Complete Upper Assembly - 16"
    Angstadt Arms AR-15 5.56 Complete Upper Assembly - 16"
    $404.00
    Out of stock
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  11. Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 13.7"
    Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 13.7"
    $950.00
    Out of stock
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  12. Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group w/ MCMR-13 Handguard - 14.5"
    Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group w/ MCMR-13 Handguard - 14.5"
    $794.99
    Out of stock
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  13. Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Carbine Upper Receiver Group w/ MCMR-10 Handguard - 11.5"
    Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Carbine Upper Receiver Group w/ MCMR-10 Handguard - 11.5"
    $770.99
    Out of stock
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  14. Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group (ELW) w/ MCMR-15 Handguard - 16"
    Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group (ELW) w/ MCMR-15 Handguard - 16"
    $805.99
    Out of stock
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  15. Bravo Company MFG (BCM) MK2 5.56 NATO Upper Receiver Group w/ MCMR-15 Handguard - 16" FDE
    Bravo Company MFG (BCM) MK2 5.56 NATO Upper Receiver Group w/ MCMR-15 Handguard - 16" FDE
    $747.39
    Out of stock
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  16. Noveske Gen 3 Lower Receiver - 5.56mm
    Noveske Gen 3 Lower Receiver - 5.56mm
    $313.50
    Out of stock
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