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300 AAC Blackout Ammo For Sale

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Engineered for AR-15 platforms, 300 Blackout ammo delivers powerful performance in both supersonic and subsonic loads. Perfect for suppressed shooting, hunting, and tactical applications. Need bulk options? Visit our bulk 300 Blackout ammo page to save some money. Learn More
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  1. Magtech First Defense 300 Blackout Ammo - 1000 Rounds of 123 Grain FMJ Ammunition

    $674.99

    22 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2230 FPS
    • 1000 Rounds
    • 67.5¢ per round
    • Made by Magtech
  2. Barnes VOR-TX 300 Blackout Ammo - 20 Rounds of 120 Grain Polymer Tipped Ammunition

    $39.99

    6 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Solid Copper
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2100 FPS
    Muzzle Energy 1175 ft lbs
    • 20 Rounds
    • $2 per round
    • Made by Barnes
  3. Underwood 300 AAC Blackout Ammo - 20 Rounds of 115 Grain Controlled Chaos Ammunition

    $39.99

    57 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type SCHP
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 2360 FPS
    Muzzle Energy 1422 ft lbs
    • 20 Rounds
    • $2 per round
    • Made by Underwood
  4. Hornady 300 AAC Blackout Ammo - 20 Rounds of 110 Grain V-MAX Ammunition

    $29.99

    67 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type V-MAX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2375 FPS
    Muzzle Energy 1377 ft lbs
    • 20 Rounds
    • $1.5 per round
    • Made by Hornady
  5. Hornady 300 AAC Blackout Ammo - 200 Rounds of 110 Grain V-MAX Ammunition

    $284.99

    21 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type V-MAX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2375 FPS
    Muzzle Energy 1377 ft lbs
    • 200 Rounds
    • $1.42 per round
    • Made by Hornady
  6. Hornady BLACK 300 AAC Blackout Ammo - 20 Rounds of 110 Grain NTX Ammunition

    $31.99

    85 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type NTX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2070 FPS
    Muzzle Energy 1047 ft lbs
    • 20 Rounds
    • $1.6 per round
    • Made by Hornady
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Overview of 300 AAC Blackout Ammo

Advanced Armament Corporation and Remington Defense developed the 300 Blackout in 2010 for increased terminal performance over the 5.56 NATO while maintaining the same rifle platform and magazine capacity.

It has become a favorite of carbine shooters worldwide.

What are the most popular 300 Blackout brands you sell?

You can filter our entire selection using the left sidebar to see which brands we currently have in stock and available using the Manufacturers filter. You can also filter by attributes such as Bullet Type, Bullet Weight, Casing Type, and Primer Type to find what you need.

Best 300 Blackout Ammo for Specific Uses

Use Case Details
Best 300 BLK Ammo For A 7.5" Barrel Best Overall: Barnes Precision Match 125 grain.
Runner-Up: Black Hills 110 grain TTSX.
Best 300 BLK Ammo For Hog Hunting Best Overall: Barnes VOR-TX 110 grain TAC-TX FB.
Runner-Up: Hornady Subsonic 190 grain Sub-X.

You can also check out our in-depth look at 300 Blackout ballistics from all of the popular ammo manufacturers if you're in search of ballistics data for your favorite factory 300 BLK load.


Sam Jacobs
Written by
Sam Jacobs

Customer Reviews

  • Dino said:

    Hornady is top notch as we all know and the service and ease of ammo.com makes it thst much better.

  • aeroflame said:

    I shot a bunch of Federal, Sig Sauer, but my AR really liked this stuff out at 100 yards. The Sig performed well too. The Federal was all over the place. I was shooting light grains. Good clean quality accurate ammo. The price is great too.

  • Virtus said:

    Hard hitting, supper accurate, puts EVERYTHING DOWN!