300 Blackout Ammo For Sale
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Winchester USA 300 AAC Blackout Ammo - 200 Rounds of 125 Grain Open Tip Ammunition
$154.9974 In stock now
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Winchester Super Suppressed 300 AAC Blackout Ammo - 200 Rounds of 200 Grain Open Tip Ammunition
$174.99
$157.99
96 In stock now
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Overview of 300 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?
For heavy subsonic loads, explore our selection of 300 Blackout 220 Grain Ammo ideal for suppressed shooting. If you’re deciding between grain weights for hunting, defense, or suppressed use, read the best grain for 300 Blackout guide.
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.
What Is Subsonic 300 Blackout Ammo and Why Use It?
Subsonic 300 Blackout ammo is engineered to travel below the speed of sound (approximately 1,100 feet per second), making it significantly quieter than supersonic alternatives, especially when paired with a suppressor. Subsonic 300 BLK rounds are typically heavier, with common options like 220 grain 300 Blackout loads providing excellent energy transfer at close range with reduced recoil and noise.
Designed with stealth and comfort in mind, subsonic 300 BLK is a top choice for suppressed shooting, home defense, and hog hunting in close-quarters environments. The heavier bullets retain momentum well, and while they sacrifice some long-range performance, their quiet operation makes them ideal for tactical use or backyard shooting where sound control matters.
If you're deciding between subsonic and supersonic options, or want a breakdown by use case, check out our full guide on the best subsonic 300 Blackout ammo. You can also explore the ballistics of 300 Blackout to compare how different loads perform in terms of velocity, energy, and drop.
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. |
| Best 300 BLK Subsonic Ammo | Best Overall: Hornady Subsonic 190 grain Sub-X. Runner-Up: Nosler 220 grain Ballistic Tip. |
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.
