FRONTIER 300 BLACKOUT 125 GR FMJ (50 RD ORIENTED) Ammo

Frontier Cartridge 300 Blackout 125 gr FMJ ammunition offers reliable, American-made rounds built on proven reloading standards. This 50-round box of .300 Blackout delivers consistent performance whether you're zeroing at the range, running suppressed precision drills, or working through varmint-sized game. The 125-grain full metal jacket bullet is a versatile middle ground for the .300 Blackout platform—fast enough for close-range work, stable enough for repeatable shooting from rest.

Frontier Cartridge backs every round with state-of-the-industry loading techniques and quality control that shooters and law enforcement have relied on for decades. This ammunition uses brass cartridge cases paired with military-grade boxer primers and matched propellant, so you get consistency cartridge to cartridge. If you reload, the brass is fully reconditionable; if you just shoot, you know every trigger press will feel the same as the last.

The 125-grain FMJ design minimizes bullet deformation through intermediate barriers, making it a smart choice for suppressed .300 Blackout builds where you want predictable terminal behavior and reliability. Whether you're running this through a short-barreled rifle or a longer precision setup, Frontier's quality control means you can trust the ammo, not second-guess the gun.

Key Features

• 125-grain full metal jacket bullet for consistent, barrier-friendly performance
• Brass cartridge cases—reloadable and reliable
• Military-grade boxer primers for reliable ignition
• American-made ammunition with proven quality-control standards
• 50-round box oriented for convenient loading and transport
• Suitable for target shooting, training, varmint hunting under 50 lbs, and personal-defense applications

Specifications

Frequently Asked Questions

Is Frontier 300 Blackout ammunition good for suppressed rifles?

Yes. The 125-grain FMJ bullet is well-suited to suppressed .300 Blackout builds. Full metal jacket construction provides predictable bullet performance and is reliable through cans, and the consistent loading ensures you won't experience unexpected variance shot to shot.

Can I reload Frontier Cartridge brass?

Yes. Frontier uses brass cartridge cases with boxer primers, so fired cases are fully reconditionable for reloaders.

What's the intended use for this ammunition?

Frontier lists this load for target and match shooting, varmint hunting (game under 50 lbs), personal defense, and training applications. It's a versatile middle-weight load suitable for a range of .300 Blackout roles.

How many rounds come in a box?

This is a 50-round box of Frontier 300 Blackout 125 gr FMJ, oriented for convenient loading and handling.