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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. Wolf 300 AAC Blackout Ammo - 500 Rounds of 145 Grain FMJ Ammunition

    Image of Wolf 300 AAC Blackout Ammo - 500 Rounds of 145 Grain FMJ Ammunition
    $294.99
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    40 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Berdan
    Casing Type Steel
    Condition New
    Muzzle Velocity 1985 FPS
    Muzzle Energy 1269 ft lbs
    • 500 Rounds
    • 59¢ per round
    • Made by Wolf

  2. Magtech Subsonic 300 Blackout Ammo - 500 Rounds of 200 Grain FMJ Ammunition

    Image of Magtech Subsonic 300 Blackout Ammo - 500 Rounds of 200 Grain FMJ Ammunition

    $369.99

    $349.99

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    14 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 1050 FPS
    Muzzle Energy 490 ft lbs
    • 500 Rounds
    • 70¢ per round
    • Made by Magtech

  3. Ammo Inc. 300 AAC Blackout Ammo - 500 Rounds of 150 Grain FMJ Ammunition

    Image of Ammo Inc. 300 AAC Blackout Ammo - 500 Rounds of 150 Grain FMJ Ammunition
    $364.99

    1 Review

    59 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 1850 FPS
    Muzzle Energy 1140 ft lbs
    • 500 Rounds
    • 73¢ per round
    • Made by Ammo Incorporated

  4. Magtech First Defense 300 Blackout Ammo - 500 Rounds of 123 Grain FMJ Ammunition

    Image of Magtech First Defense 300 Blackout Ammo - 500 Rounds of 123 Grain FMJ Ammunition
    $369.99

    1 Review

    19 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
    Muzzle Energy 1359 ft lbs
    • 500 Rounds
    • 74¢ per round
    • Made by Magtech

  5. Sellier and Bellot 300 Blackout Ammo - 500 Rounds of 200 Grain FMJ Ammunition

    Image of Sellier and Bellot 300 Blackout Ammo - 500 Rounds of 200 Grain FMJ Ammunition
    $379.99

    1 Review

    46 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 1060 FPS
    Muzzle Energy 500 ft lbs

  6. Federal American Eagle 300 AAC Blackout Ammo - 500 Rounds of 150 Grain FMJ Ammunition

    Image of Federal American Eagle 300 AAC Blackout Ammo - 500 Rounds of 150 Grain FMJ Ammunition
    $449.99
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    7 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 1900 FPS
    • 500 Rounds
    • 90¢ per round
    • Made by Federal

  7. Fiocchi Extrema 300 Blackout Ammo - 500 Rounds of 125 Grain SST Ammunition

    Image of Fiocchi Extrema 300 Blackout Ammo - 500 Rounds of 125 Grain SST Ammunition
    $499.99
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    42 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type SST
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2200 FPS
    Muzzle Energy 1343 ft lbs
    • 500 Rounds
    • $1 per round
    • Made by Fiocchi

  8. Federal American Eagle Subsonic 300 AAC Blackout Ammo - 500 Rounds of 220 Grain OTM Ammunition

    Image of Federal American Eagle Subsonic 300 AAC Blackout Ammo - 500 Rounds of 220 Grain OTM Ammunition
    $594.99
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    29 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type OTM
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 1000 FPS
    Muzzle Energy 488 ft lbs
    • 500 Rounds
    • $1.19 per round
    • Made by Federal

  9. Hornady American Gunner 300 AAC Blackout Ammo - 500 Rounds of 125 Grain HP Ammunition

    Image of Hornady American Gunner 300 AAC Blackout Ammo - 500 Rounds of 125 Grain HP Ammunition
    $599.99
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    2 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HP
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2175 FPS
    Muzzle Energy 1313 ft lbs
    • 500 Rounds
    • $1.2 per round
    • Made by Hornady

  10. Black Hills Ammunition 300 AAC Blackout Ammo - 500 Rounds of 125 Grain OTM Ammunition

    Image of Black Hills Ammunition 300 AAC Blackout Ammo - 500 Rounds of 125 Grain OTM Ammunition
    $704.99
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    1 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type OTM
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2100 FPS
    Muzzle Energy 1224 ft lbs
    • 500 Rounds
    • $1.41 per round
    • Made by Black Hills Ammunition

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

Click To Purchase This 300 Blackout Ammo Incorporated Ammunition
Ammo Inc. 300 AAC Blackout Ammo - 500 Rounds of 150 Grain FMJ Ammunition
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  • Tatty540 said:

    Great product fast shipping awesome prices

Click To Purchase This 300 Blackout Magtech Ammunition
Magtech First Defense 300 Blackout Ammo - 500 Rounds of 123 Grain FMJ Ammunition
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  • wpro said:

    nice tight group, never any problems, use it in a 20in and 10in barrel, same group patterns in both guns. for the performance of the ammo and never any problems I only use magtech

Click To Purchase This 300 Blackout Sellier and Bellot Ammunition
Sellier and Bellot 300 Blackout Ammo - 500 Rounds of 200 Grain FMJ Ammunition
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  • Skip said:

    Fast shipping. Good quality. Thank you!!