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Uppers & Parts

AAC .300 BLK Uppers

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List Price:$1,080.00Our Price: $999.00

These are the newest version with the modular KAC rail

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Product Description

Complete 300 AAC BLACKOUT Upper Receiver Assembly

  • 9″, 12.5″, or 16″ Nitrided 1:7: Twist Barrel, threaded 5/8-24
  • AAC 51T BLACKOUT™ Flash Hider
  • “Full Auto” BCG
  • KAC URX Rail
  • Ready to drop onto your AR15/M16/M4 lower!  Works with an AR lower with “Mil-Spec” push pin locations.

IMPORTANT NOTES:

  • The 9″ and 12.5″ AAC 300BLK Uppers are designed for use with a carbine receiver extension, standard GI Buffer Spring, and an H2 Buffer.
  • The 16″ AAC 300BLK Upper is designed for use with a carbine receiver extension, standard GI Buffer Spring, and a CARBINE Buffer.

Silencer Shop Note

If you’ve been reading our blog, you know that we’ve had a blast with the .300 BLK! These uppers are the ones we’ve been using – and they are excellent products.

Additional Information

Barrel Length

9″ (Requires NFA Lower Receiver), 12.5″ (Requires NFA Lower Receiver), 16″

Manufacturer

AAC

1 review for AAC .300 BLK Uppers

  1. Ted Schmidt
    5 out of 5

    :

    Quality exceeded my expectations. Used the load data provided elsewhere on this site of 11.2 grains of 1680 powder and 220 grain sierras with my suppressor which worked flawlessly with PMags. Using as a pistol with Sig arm brace to avoid SBR hassles. Equipped with Spikes lower, Hyperfire trigger, Crimson Trace light/ green laser combo and Bushnell mini red dot. I have an assorted collection of AR rifles but this is hands down my favorite.

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