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300 AAC BLACKOUT

The 300 AAC Blackout (aka 300 Blackout, 300 BLK, or 7.62x35mm) was developed for the M4 carbine by Advanced Armament Corporation. It was conceived as a more versatile and powerful round than the 5.56x45 that would not require the United States Armed Forces to purchase new rifles – or even new magazines. It was not officially adopted, but the commercial market has embraced the 300 BLK. Choose a 200+ grain bullet for the subsonic muzzle velocity required for optimal suppressor performance.
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1 - 20 of 32

  1. 500rds – 300 AAC Blackout Wolf 145gr. FMJ Ammo 500rds – 300 AAC Blackout Wolf 145gr. FMJ Ammo
    $294.95
    $0.59/ppr

    33 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1269     Casing Type
    Steel     Muzzle Velocity
    1985     Primer Type
    Berdan     Bullet Weight
    145 Grain
  2. 500rds – 300 AAC Blackout Ammo Inc. 150gr. FMJ Ammo 500rds – 300 AAC Blackout Ammo Inc. 150gr. FMJ Ammo
    $374.95
    $0.75/ppr

    31 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1140     Casing Type
    Brass     Muzzle Velocity
    1850     Primer Type
    Boxer     Bullet Weight
    150 Grain
  3. 500rds – 300 AAC Blackout Magtech First Defense 123gr. FMJ Ammo 500rds – 300 AAC Blackout Magtech First Defense 123gr. FMJ Ammo
    $379.95
    $0.76/ppr

    35 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1359     Casing Type
    Brass     Muzzle Velocity
    2230     Primer Type
    Boxer     Bullet Weight
    123 Grain
    Ballistic Data Available
  4. 200rds – 300 AAC Blackout Winchester USA 125gr. Open Tip Ammo 200rds – 300 AAC Blackout Winchester USA 125gr. Open Tip Ammo
    $154.95
    $0.77/ppr

    41 In Stock

    Bullet type
    Open Tip     Muzzle Energy
    1325     Casing Type
    Brass     Muzzle Velocity
    2185     Primer Type
    Boxer     Bullet Weight
    125 Grain
  5. 50rds – 300 AAC Blackout Magtech Subsonic 200gr. FMJ Ammo 50rds – 300 AAC Blackout Magtech Subsonic 200gr. FMJ Ammo
    $39.95
    $0.8/ppr

    175 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    490     Casing Type
    Brass     Muzzle Velocity
    1050     Primer Type
    Boxer     Bullet Weight
    200 Grain
    Ballistic Data Available
  6. 200rds – 300 AAC Blackout Winchester Super Suppressed 200gr. Open Tip Ammo 200rds – 300 AAC Blackout Winchester Super Suppressed 200gr. Open Tip Ammo
    $169.95
    $0.85/ppr

    ☆☆☆☆☆ 1 Review

    35 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Open Tip     Muzzle Energy
    499     Casing Type
    Brass     Muzzle Velocity
    1060     Primer Type
    Boxer     Bullet Weight
    200 Grain
  7. 200rds – 300 AAC Blackout Winchester Subsonic 200gr. Open Tip Ammo 200rds – 300 AAC Blackout Winchester Subsonic 200gr. Open Tip Ammo
    $174.95
    $0.87/ppr

    41 In Stock

    Bullet type
    Open Tip     Muzzle Energy
    499     Casing Type
    Brass     Muzzle Velocity
    1060     Primer Type
    Boxer     Bullet Weight
    200 Grain
  8. 20rds – 300 AAC Blackout Prvi Partizan 125gr. FMJ Ammo 20rds – 300 AAC Blackout Prvi Partizan 125gr. FMJ Ammo
    $17.95
    $0.9/ppr

    27 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1340     Casing Type
    Brass     Muzzle Velocity
    2198     Primer Type
    Boxer     Bullet Weight
    125 Grain
    Ballistic Data Available
  9. 20rds – 300 AAC Blackout Ammo Inc. 150gr. FMJ Ammo 20rds – 300 AAC Blackout Ammo Inc. 150gr. FMJ Ammo
    $17.95
    $0.9/ppr

    ☆☆☆☆☆ 1 Review

    160 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1140     Casing Type
    Brass     Muzzle Velocity
    1850     Primer Type
    Boxer     Bullet Weight
    150 Grain
  10. 500rds - 300 AAC Blackout Federal American Eagle 150gr. FMJ Ammo 500rds - 300 AAC Blackout Federal American Eagle 150gr. FMJ Ammo
    $449.95
    $0.9/ppr

    25 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Casing Type
    Brass     Muzzle Velocity
    1900     Primer Type
    Boxer     Bullet Weight
    150 Grain
  11. 200rds – 300 AAC Blackout Ammo Inc. stelTH 220gr. TMJ Ammo 200rds – 300 AAC Blackout Ammo Inc. stelTH 220gr. TMJ Ammo
    $184.95
    $0.92/ppr

    ☆☆☆☆☆ 1 Review

    4 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Total Metal Jacket (TMJ)     Muzzle Energy
    560     Casing Type
    Brass     Muzzle Velocity
    1071     Primer Type
    Boxer     Bullet Weight
    220 Grain
  12. 20rds – 300 AAC Blackout Winchester Super Suppressed 200gr. Open Tip Ammo 20rds – 300 AAC Blackout Winchester Super Suppressed 200gr. Open Tip Ammo
    $18.95
    $0.95/ppr

    72 In Stock

    Bullet type
    Open Tip     Muzzle Energy
    499     Casing Type
    Brass     Muzzle Velocity
    1060     Primer Type
    Boxer     Bullet Weight
    200 Grain
  13. 60rds – 300 AAC Blackout Winchester Super-X 200gr. Open Tip Ammo 60rds – 300 AAC Blackout Winchester Super-X 200gr. Open Tip Ammo
    $58.95
    $0.98/ppr

    3 In Stock

    Bullet type
    #1 Shot     Muzzle Energy
    499     Casing Type
    Brass     Muzzle Velocity
    1060     Primer Type
    Boxer     Bullet Weight
    200 Grain
  14. 20rds – 300 AAC Blackout Winchester USA Ready 125gr. OT Ammo 20rds – 300 AAC Blackout Winchester USA Ready 125gr. OT Ammo
    $19.95
    $1/ppr

    155 In Stock

    Bullet type
    Open Tip     Muzzle Energy
    1325     Casing Type
    Brass     Muzzle Velocity
    2185     Primer Type
    Boxer     Bullet Weight
    125 Grain
  15. 20rds – 300 AAC Blackout Wolf 145gr. FMJ Ammo 20rds – 300 AAC Blackout Wolf 145gr. FMJ Ammo
    $19.95
    $1/ppr

    ☆☆☆☆☆ 6 Reviews

    78 In Stock

    ☆☆☆☆☆ 6 Reviews

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1269     Casing Type
    Steel     Muzzle Velocity
    1985     Primer Type
    Berdan     Bullet Weight
    145 Grain
  16. 20rds – 300 AAC Blackout Ammo Inc. Hunt 150gr. SP Ammo 20rds – 300 AAC Blackout Ammo Inc. Hunt 150gr. SP Ammo
    $20.95
    $1.05/ppr

    177 In Stock

    Bullet type
    Soft-Point Boat Tail (SP-BT)     Muzzle Energy
    1140     Casing Type
    Brass     Muzzle Velocity
    1850     Primer Type
    Boxer     Bullet Weight
    150 Grain
  17. 500rds – 300 AAC Blackout Federal American Eagle 220gr. OTM Subsonic Ammo 500rds – 300 AAC Blackout Federal American Eagle 220gr. OTM Subsonic Ammo
    $594.95
    $1.19/ppr

    30 In Stock

    Bullet type
    Open Tip Match     Muzzle Energy
    488     Casing Type
    Brass     Muzzle Velocity
    1000     Primer Type
    Boxer     Bullet Weight
    220 Grain
    Ballistic Data Available
  18. 20rds – 300 AAC Blackout Federal American Eagle Suppressor Subsonic 220gr. OTM Ammo 20rds – 300 AAC Blackout Federal American Eagle Suppressor Subsonic 220gr. OTM Ammo
    $24.45
    $1.22/ppr

    ☆☆☆☆☆ 1 Review

    131 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Open Tip Match     Muzzle Energy
    488     Casing Type
    Brass     Muzzle Velocity
    1000     Primer Type
    Boxer     Bullet Weight
    220 Grain
    Ballistic Data Available
  19. 20rds – 300 AAC Blackout Hornady Frontier 125gr. FMJ Ammo 20rds – 300 AAC Blackout Hornady Frontier 125gr. FMJ Ammo
    $24.95
    $1.25/ppr

    151 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1313     Casing Type
    Brass     Muzzle Velocity
    2175     Primer Type
    Boxer     Bullet Weight
    125 Grain
  20. 20rds – 300 AAC Blackout Underwood 110gr. Polymer Tip Ammo 20rds – 300 AAC Blackout Underwood 110gr. Polymer Tip Ammo
    $27.95
    $1.4/ppr

    130 In Stock

    Bullet type
    Polymer Tipped     Muzzle Energy
    1407     Casing Type
    Nickel-Plated Brass     Muzzle Velocity
    2400     Primer Type
    Boxer     Bullet Weight
    110 Grain

1 - 20 of 32

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300 BLK - Common Questions

Where Does “BLK” Come From?

The name “BLK” is simply an abbreviation of the term “Blackout.” The full name of the cartridge is “.300 BLK” by the Sporting Arms and Ammunition Manufacturers' Institute, but the primary manufacturer calls it the .300 AAC Blackout. You will also see it called the 7.62×35mm by some circles, particularly military-centric groups.

What Types of Firearms Load the .300 BLK?

Similar to the most rifle cartridges created in the past 100 years, the .300 BLK was created for semiautomatic weapons. While there are other types of rifles that can load this cartridge, the vast majority are “AR-style” weapons. It is known as a “carbine cartridge,” meaning it is generally meant for short-barreled rifles.

Is the .300 BLK Interchangeable with the .308 Winchester?

No. These are two different cartridges that are not interchangeable at all. While they have the same bullet diameter (.308 inches), the biggest difference is the length. .308 Remington ammunition is longer in both case and overall length, meaning it has a larger capacity for propellant, which results in superior speed and power. While the .300 BLK is not a slow round, the .308 Winchester generally has muzzle velocities around 2,500 to 3,000 feet per second, while the .300 BLK has speeds around 2,000 to 2,500 feet per second.

How Does the .300 BLK Compare to the .223 Remington?

These are both high-volume cartridges meant for semiautomatic weapons, both have a foundation in military purposes, and both are associated with “AR” style rifles, so a comparison is warranted. However, the differences are vast. The .300 BLK has a larger bullet, with grain sizes as high as 200 or more; the standard bullet size for 223 Rem ammo is 55 grains. The .223 generally has faster velocities, consistently reaching above 3,000 feet per second, while the .300 BLK tends to deliver slightly better muzzle energy.

Can You Hunt with the .300 BLK?

Yes. The .300 BLK is a recent cartridge, and it often takes time for cartridges to work their way into hunting circles. However, the cartridge has many attributes that make it ideal for medium-sized game hunting, including whitetail deer. First, it’s a .308-caliber cartridge, which is one of the most popular sizes for deer hunting. It also has supersonic loads available, which give hunters greater speeds. From a ballistics perspective, it’s very similar to the .30-30 Winchester, which is used for deer hunting in short-range situations. If you want a rifle that can give you enjoyable high-volume target shooting, as well as medium-range hunting capabilities, a weapon that loads the .300 BLK is a fine choice. For hunting, choose expanding rounds such as jacketed hollow points; for target shooting, choose FMJ for better internal performance and affordability.

Recent 300 AAC BLACKOUT Reviews