Description
Frontier 300 BLK 208gr FMJ Subsonic ammunition from Frontier Cartridge (Frontier) loads a 208 grain full metal jacket in 300 AAC Blackout. Each box holds 20 rounds.
- Built for Subsonic Shooting
- Frontier 300 BLK 208gr FMJ Subsonic Specifications
- Subsonic Shooting Tips
Built for Subsonic Shooting
This load pairs a heavy 208 grain full metal jacket with the 300 AAC Blackout at subsonic velocity, a combination popular with shooters running suppressed rifles.
Keeping the bullet below the speed of sound removes the supersonic crack, so a suppressed rifle sounds much quieter with Frontier 300 BLK 208gr FMJ Subsonic than with supersonic ammunition. Without a suppressor the report is still loud, so always wear hearing protection.
Subsonic loads drop faster and carry less energy than supersonic loads, so they are best suited to shorter ranges. Confirm your zero and know your holdovers before you rely on this load.
Frontier 300 BLK 208gr FMJ Subsonic Specifications
These specifications follow our distributor data for Frontier Cartridge item FR410, UPC 090255729511.
- Brand: Frontier Cartridge
- Product line: Frontier
- Manufacturer item number: FR410
- Caliber: 300 AAC Blackout
- Bullet: 208 grain full metal jacket
- Muzzle velocity: 1025 fps
- Rounds per box: 20
Shopping for Frontier Cartridge 300 AAC Blackout ammo? This 300 AAC Blackout 208 grain load is listed under Frontier Cartridge Frontier in the Frontier Cartridge lineup, and you can order it by the maker’s item number, Frontier Cartridge FR410.
Subsonic Shooting Tips
Use Frontier 300 BLK 208gr FMJ Subsonic only in firearms chambered for 300 AAC Blackout.
Some semi-automatic rifles need a suppressor or an adjustable gas system to cycle subsonic ammunition reliably; test it in your rifle first.
Check that your barrel twist stabilizes this bullet weight.
Suppressor ownership requires federal approval and is not legal in every state; check your local laws.
Frontier 300 BLK 208gr FMJ Subsonic is a quiet choice for shooters who want a ready-made subsonic ammo from a known maker.
Different zero
A subsonic load usually prints well below a supersonic load at the same zero. Many shooters keep a separate zero or a written holdover chart for subsonic ammunition.
Short-range energy
Heavy subsonic bullets are built to expand or tumble at low velocity, but they still lose energy quickly. Keep shots close and pick the right job for this load.
Hearing protection
Even suppressed, gunfire is loud. Wear hearing protection whenever you shoot.
Reading the box
The box lists the caliber, bullet weight and bullet type. Always match the cartridge to the caliber stamped on your firearm’s barrel or slide, and never fire ammunition that is not specified for your firearm.
About Frontier Cartridge
Frontier 300 BLK 208gr FMJ Subsonic comes from Frontier Cartridge, and the specifications listed here follow the maker’s and our distributor’s published data for this item. Compare loads by bullet weight, bullet type and intended use to find the best fit for your firearm.
Buying the right amount
When you find a load that performs well, buy enough for practice and the full season at once. Ammunition from the same lot tends to perform the same, which keeps your results consistent.
Safety first
Always treat every firearm as loaded, keep the muzzle pointed in a safe direction and keep your finger off the trigger until you are ready to shoot. Wear eye and ear protection every time you shoot.
Understanding bullet weight
Heavier bullets in a given caliber usually leave the muzzle slower but carry momentum well and resist wind drift, while lighter bullets shoot faster and flatter at shorter ranges. Neither is better in every case; the right choice depends on the game, the distance and your firearm.
Choosing the right load
Start with the job you need the ammunition to do, whether that is hunting, target shooting or practice. Then match the load to that job, and finally test a few boxes in your own firearm, because every barrel has its preferences.
Read more about Frontier Cartridge ammunition on the manufacturer website, or pair it with the CHAMPION SLIM EAR MUFFS.
Order Frontier 300 BLK 208gr FMJ Subsonic from MAG5 Firearms and keep a few boxes on hand for the season ahead.
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