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300 Blackout Complete Uppers

Shop the Best 300 Blackout Uppers from Bear Creek Arsenal to complete your ideal 300 Blackout build. Capable of firing both subsonic and supersonic ammunition, the 300 BLK Upper pairs seamlessly with our mil-spec AR-15 lowers, making it a popular choice for outdoor shooting. Upgrade to a .300 Blackout Upper or find a 300 Blackout Barrel to add a unique and personalized touch to your rifle today! 

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Items 1 to 15 of 28 total

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  1. 300-blackout-20-parkerized-heavy-barrel-spilt-rail
    BC-15 | .300 Blackout Right Side Charging Upper | 20” Parkerized Heavy Barrel | 1:8 Twist | Carbine Length Gas System | Talon 15” MLOK Split Rail | with BCG & Charging Handle
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    100%
    2 Reviews
    $229.95
  2. 300-blackout-20-parkerized-heavy-barrel-8783N-faci
    BC-15 | .300 Blackout Upper | 20” Parkerized Heavy Barrel | 1:8 Twist | Carbine Length Gas System | Talon 15” MLOK Split Rail | with BCG & Charging Handle
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    100%
    3 Reviews
    $229.95
  3. 300-blackout-16-parkerized-heavy-barrel-fde-upper-
    BC-15 | .300 Blackout FDE Cerakote Upper | 16" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | Talon 15” MLOK Split Rail | with BCG & Charging Handle
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    80%
    1 Review
    Special Price $259.95 Regular Price $334.15
  4. 300-blackout-16-parkerized-heavy-barrel-ODG-UAFC-4
    BC-15 | .300 Blackout ODG Cerakote Upper | 16” Parkerized Heavy Barrel | 1:8 Twist | Carbine Length Gas System | Talon 15” MLOK Split Rail | with BCG & Charging Handle
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    100%
    1 Review
    Special Price $249.95 Regular Price $329.95
  5. 300-blackout-16-black-nitride-416RSS-bear-claw-flu
    BC-15 | .300 Blackout Bolt Action Style Upper | 16" Black Nitride 416R SS Bear Claw Fluted Heavy Barrel | 1:8 Twist | Talon 15” MLOK Split Rail | with BCG & Charging Handle
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    100%
    1 Review
    $299.95
  6. BC-15 | .300 Blackout Right Side Charging Upper |
    BC-15 | .300 Blackout Right Side Charging Upper | 7.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | Talon 7” MLOK Split Rail | with BCG & Charging Handle
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    98%
    135 Reviews
    Special Price $179.95 Regular Price $262.12
  7. .300 Blackout, 10.5" Parkerized Heavy Barrel
    BC-15 | .300 Blackout Upper | 10.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 9.5" MLOK | Billet Upper Receiver | with BCG & Charging Handle
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    94%
    18 Reviews
    Special Price $229.95 Regular Price $279.99
  8. .300 Blackout, 10.5" Parkerized Heavy Barrel
    BC-15 | .300 Blackout Right Side Charging Upper | 10.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 9.5" MLOK | with BCG & Charging Handle
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    98%
    129 Reviews
    Special Price $204.95 Regular Price $268.57
  9. BC-15 | .300 Blackout Upper | 7.5" 416R SS He
    BC-15 | .300 Blackout Upper | 7.5" 416R SS Heavy Barrel | 1:8 Twist | Pistol Length Gas System | Talon 7” MLOK Split Rail | with BCG & Charging Handle
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    99%
    36 Reviews
    Special Price $199.95 Regular Price $273.69
  10. 300-blackout-16-parkerized-heavy-barrel-upper-UAF-
    BC-15 | .300 Blackout Upper | 16” Parkerized Heavy Barrel | 1:8 Twist | Carbine Length Gas System | Talon 15” MLOK Split Rail | with BCG & Charging Handle
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    93%
    156 Reviews
    Special Price $219.95 Regular Price $284.15
  11. BC-15 | .300 Blackout Right Side Charging Upper |
    BC-15 | .300 Blackout Right Side Charging Upper | 7.5" 416R SS Heavy Barrel | 1:8 Twist | Pistol Length Gas System | Talon 7” MLOK Split Rail | with BCG & Charging Handle
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    100%
    16 Reviews
    Special Price $194.95 Regular Price $265.66
  12. 300 blkout complete upper ar15
    BC-15 | .300 Blackout Right Side Charging Upper | 16" 416R SS Heavy Barrel | 1:8 Twist | Carbine Length Gas System | 15" MLOK | with BCG & Charging Handle
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    97%
    29 Reviews
    Special Price $214.95 Regular Price $283.00
  13. BC-15 | .300 Blackout Upper | 7.5" Parkerized
    BC-15 | .300 Blackout Upper | 7.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 6.5" MLOK | Billet Upper Receiver | with BCG & Charging Handle
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    96%
    9 Reviews
    Special Price $219.95 Regular Price $310.03
  14. BC-15 | .300 Blackout Upper | 7.5" Parkerized
    BC-15 | .300 Blackout Upper | 7.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | Talon 7” MLOK Split Rail | with BCG & Charging Handle
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    96%
    81 Reviews
    Special Price $189.95 Regular Price $270.15
  15. 300-blackout-4.5-parkerized-heavy-barrel-upper-887
    BC-15 | .300 Blackout Upper | 4.5" Parkerized Heavy Barrel | 1:8 Twist | Micro Length Gas System | 4" MLOK | with BCG & Charging Handle
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    100%
    2 Reviews
    Special Price $259.95 Regular Price $279.95
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