Description

Frontier 7.62×39 123gr FMJ 50 Rounds ammunition from Frontier Cartridge (Frontier) loads a 123 grain full metal jacket in 7.62x39mm. Each box holds 50 rounds.
Built for Range Practice
This load pairs a 123 grain full metal jacket with the 7.62x39mm, a combination built for practice, training and plinking at the range.
Range ammunition is where most of your shooting happens. A consistent, clean-burning load makes it easier to work on fundamentals like grip, sight alignment and trigger control without fighting the ammunition.
With 50 rounds per box, Frontier 7.62×39 123gr FMJ 50 Rounds makes it simple to plan a practice session and keep enough on hand for regular trips to the range.
Frontier 7.62×39 123gr FMJ 50 Rounds Specifications
These specifications follow our distributor data for Frontier Cartridge item FR421, UPC 090255730357.
- Brand: Frontier Cartridge
- Product line: Frontier
- Manufacturer item number: FR421
- Caliber: 7.62x39mm
- Bullet: 123 grain full metal jacket
- Muzzle velocity: 2340 fps
- Rounds per box: 50
Shopping for Frontier Cartridge 7.62x39mm ammo? This 7.62x39mm 123 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 FR421.
Range Tips
Use Frontier 7.62×39 123gr FMJ 50 Rounds only in firearms chambered for 7.62x39mm.
Check your range rules before shooting at steel targets; many ranges have minimum distances and ammunition restrictions.
Pick up your brass if your range allows it; it keeps the firing line safe and some shooters reload it.
Clean and lubricate your firearm after high-volume sessions.
Frontier 7.62×39 123gr FMJ 50 Rounds is a reliable choice for shooters who want a ready-made range ammo from a known maker.
Practice with a plan
Set a goal for each range trip, such as drawing and firing a first shot, transitions between targets or slow-fire groups. Focused practice builds skill faster than simply emptying magazines.
Matching your carry load
If you carry a defensive load, practicing with a similar bullet weight keeps recoil and point of impact close to what you would see with the carry ammunition.
Storage
Store ammunition in a cool, dry place in its original box or a sealed ammo can to keep it ready to 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 7.62×39 123gr FMJ 50 Rounds 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 MTM AMMO CAN ORGANIZER 3-PACK.
Order Frontier 7.62×39 123gr FMJ 50 Rounds from MAG5 Firearms and keep a few boxes on hand for the season ahead.





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