Frontier Cartridge FR410 300Blackout 208gr Full Metal Jacket 20 Per Box/10 Case

Frontier Cartridge's 300 Blackout 208-grain Full Metal Jacket ammunition delivers the American-made reliability shooters expect from Hornady-backed loads. Built on proven loading techniques and rigorous quality control, this subsonic-rated round pairs consistent performance with practical versatility—whether you're running suppressed rifles, working through training drills, or setting up for precision shooting at the range. The 208-grain FMJ projectile and brass cases with military-spec primers and powder create the kind of dependable foundation that keeps your shooting sessions productive.

The 300 Blackout cartridge has earned its place in both tactical and civilian arsenals for good reason. Its subsonic velocity profile makes it a natural fit for suppressed platforms, where it delivers predictable ballistics without the supersonic crack. Hornady's bullet design and Frontier's manufacturing standards mean you're not chasing flyers or dealing with variance round-to-round—critical when you're dialing in a new load or running high-round-count training sessions. The brass cases also make this ammo suitable for reloading if you're the handloading type.

Available in convenient 20-round boxes, with case quantities for serious shooters or inventory builders, this ammunition addresses the practical needs of 300 Blackout shooters across the board. Whether you're a hunter leveraging subsonic ballistics in a short-barrel rifle, a sport shooter exploring the cartridge's capabilities, or running dedicated training protocols, Frontier delivers the consistency you need without the premium pricing or exotic formulations. It's straightforward ammunition for shooters who understand that reliability beats hype.

Key Features

• 208-grain Full Metal Jacket bullet design for consistent feeding and performance
• Subsonic-rated load optimized for suppressed rifles and controlled ballistics
• Brass cases with military-grade boxer primers for reliability and reloadability
• State-of-the-art Hornady loading and quality control standards in every round
• Practical 20-round per box configuration, available in bulk case quantities

Specifications

Frequently Asked Questions

Is this 300 Blackout ammo suitable for suppressed rifles?

Yes. This load is specifically rated as subsonic, which means the 208-grain projectile travels at velocities designed to remain below the sound barrier. This makes it well-suited for suppressed platforms where you want to minimize the supersonic crack and maximize the effectiveness of your suppressor.

Can I reload these brass cases?

Yes. Frontier Cartridge uses brass cases with military-grade boxer primers, so once fired, these cases are suitable for handloading if you have the equipment and knowledge to do so.

What's the difference between Frontier Cartridge and other Hornady ammunition lines?

Frontier Cartridge is Hornady's value-focused line, built on the same loading techniques and quality control but positioned for shooters who need dependable, American-made ammunition without premium pricing. It uses Hornady bullets and brass, making it a solid practical choice for training, hunting, and range work.

How many rounds come in a case?

Each case contains 10 boxes of 20 rounds each, for a total of 200 rounds per case.