.300 Blackout

Find Complete .300 AAC Blackout Uppers here. We have .300 Blackout Uppers in a variety of lengths from top quality manufacturers with great value pricing.

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  1. Bootleg Mil Spec AR-15 300BLK CamLok (M-Lok) Partial Upper - 16"
    Bootleg Mil Spec AR-15 300BLK CamLok (M-Lok) Partial Upper - 16"
    $479.00
  2. FoldAR 300BLK AR-15 Complete Upper Gen 2 - 16"
    FoldAR 300BLK AR-15 Complete Upper Gen 2 - 16"
    $949.99
  3. SIG SAUER MCX 300BLK Suppressed Complete Upper - 16.8"
    SIG SAUER MCX 300BLK Suppressed Complete Upper - 16.8"
    $2,379.99
  4. Griffin Armament MK1 CQB 300BLK Suppressed Complete Upper - 9.5"
    Griffin Armament MK1 CQB 300BLK Suppressed Complete Upper - 9.5"
    $1,709.00
  5. Griffin Armament MK1 PSD 300BLK Complete Upper - 9.5"
    Griffin Armament MK1 PSD 300BLK Complete Upper - 9.5"
    $1,199.00
  6. SIG SAUER MCX 300BLK Complete Upper - 9"
    SIG SAUER MCX 300BLK Complete Upper - 9"
    $1,599.99
  7. Noveske 300 BLK - 10.5 CQB
    Noveske 300 BLK - 10.5 CQB
    $1,563.00
  8. Bravo Company MFG (BCM) MK2 Standard 300 BLACKOUT Upper Receiver Group w/ MCMR-8 Handguard - 9"
    Bravo Company MFG (BCM) MK2 Standard 300 BLACKOUT Upper Receiver Group w/ MCMR-8 Handguard - 9"
    $675.90
  9. Bootleg AR-15 300blk CamLok (M-Lok) Partial Upper - 8.5"
    Bootleg AR-15 300blk CamLok (M-Lok) Partial Upper - 8.5"
    $524.95
  10. Bootleg Mil Spec AR-15 300BLK CamLok (M-Lok) Partial Upper - 8.5"
    Bootleg Mil Spec AR-15 300BLK CamLok (M-Lok) Partial Upper - 8.5"
    $479.00
  11. Noveske GEN 3 300BLK NSR 9 M-LOK - 10.5 CQB
    Noveske GEN 3 300BLK NSR 9 M-LOK - 10.5 CQB
    $1,268.25
  12. Noveske 300 BLK - 16 LP
    Noveske 300 BLK - 16 LP
    $1,524.60
  13. Primary Weapons Systems 300 BLK MK1 MOD 2-M Complete Upper - 9.75"
    Primary Weapons Systems 300 BLK MK1 MOD 2-M Complete Upper - 9.75"
    $1,147.46
  14. Bravo Company MFG (BCM) AR-15 Upper Receiver 9" 300 BLACKOUT MCMR-8
    Bravo Company MFG (BCM) AR-15 Upper Receiver 9" 300 BLACKOUT MCMR-8
    $664.95
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