Winchester USA 300 AAC Blackout ammunition gives you dependable, affordable rounds for the range without the hype. Loaded with a 125-grain open tip bullet and brass casing, this 20-round box delivers the consistency shooters expect from Winchester—shot-to-shot reliability that lets you focus on technique rather than worrying about ammunition performance. Whether you're breaking in a new .300 Blackout rifle, running drills, or putting rounds downrange to dial in your zero, USA White Box ammo gets the job done at a price that makes regular practice realistic.
The 300 AAC Blackout has become the go-to choice for shooters who want effective intermediate power in a compact package, and Winchester's USA line gives you the performance backbone to build real shooting skills. Open tip range bullets are designed for consistent expansion on target while delivering predictable flight characteristics, and the brass cases are built to cycle reliably across modern firearms—from AR-15 uppers to bolt guns. Modern propellants in this ammunition burn cleaner than older formulations, which means less barrel fouling and easier cleanup after a session at the range.
Manufactured to Winchester's published quality standards, each round is loaded for consistency, so you get the same velocity and point-of-impact from the first round to the last. This is ammunition built for volume shooting, training, and the kind of honest range work that sharpens your fundamentals. Winchester USA White Box has been a staple of American shooting for generations because it works—no marketing gloss, just reliable ammo at a fair price.
| Caliber | 300 AAC Blackout |
| Bullet Weight | 125 grains |
| Bullet Type | Open Tip Range |
| Casing | Brass |
| Rounds Per Box | 20 |
This ammunition is designed for rifles chambered in .300 AAC Blackout, including AR-15 uppers, bolt-action rifles, and other modern firearms in that caliber. The brass casing and open tip bullet reliably cycle in a variety of firearms, though you should always verify your specific gun's compatibility with any ammunition before use.
Winchester USA White Box ammunition is specifically loaded for range and target use. For hunting applications, check Winchester's hunting-grade offerings, which are engineered for different performance characteristics.
Open tip bullets are engineered to deliver consistent accuracy and predictable performance at the range. They expand reliably on target while maintaining the stability needed for accurate shot placement during training and target work.
Modern propellants used in Winchester USA ammunition reduce barrel fouling compared to older formulations, meaning less carbon buildup and easier cleaning after your shooting session.
Ammunition Restrictions:
You must be 18 years or older to purchase shotgun or rifle ammunition, and 21 years or older for handgun ammunition. All ammunition must be shipped via Domestic Ground, and shipping is not available for international residents. Residents of CA, DC, IL, MA, NY, CT, and NJ may be subject to additional restrictions. Always ensure you use the appropriate ammunition for your firearms, and check your state and local laws for any other relevant regulations on firearms and ammunition. Due to Department of Transportation regulations, returns on ammo cannot be accepted. Please verify local laws before placing an order.
We are unable to ship ammunition to the following:
Illinois residents must provide a copy of a valid FOID Card or Valid Concealed Carry License, along with their IL driver’s license or IL state identification card to purchase ammunition. The ammunition can only be shipped to an address listed on either of those two documents.
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Winchester
Winchester
