Frontier Cartridge FR240 5.56x45mm NATO 55gr Hollow Point Match Military Grade Rifle Ammo - 20 Rounds

Frontier Cartridge FR240 5.56x45mm NATO ammunition delivers reliable, quality-controlled rounds built on a platform trusted for both target work and field use. Loaded with 55-grain Hornady hollow point projectiles, military-grade brass cases, and boxer primers, this 20-round pack represents the kind of consistent, no-nonsense ammo that works when you need it to. Whether you're running drills at the range, zeroing a new rifle, or stocking up for training, FR240 ammunition performs across a broad range of AR platforms and 5.56-compatible bolt guns.

Frontier Cartridge has built its reputation on state-of-the-art loading techniques and quality control that leaves little to chance. Every round is produced to the same standards, so you can focus on your shot instead of worrying whether the next cartridge will chamber cleanly or fire reliably. The 55-grain hollow point design balances velocity, accuracy, and terminal performance—a practical choice for shooters who want one load that handles multiple roles well.

The 20-round pack is sized for flexibility: small enough to test a new load or top off a range trip, substantial enough to be economical. If you're building a supply of quality 5.56 ammunition for your AR-15, AK-platform rifle in 5.56, or any NATO-chambered rifle, this is straightforward, proven ammunition that won't surprise you.

Key Features

• 55-grain Hornady hollow point bullets for reliable expansion and consistent performance
• 5.56x45mm NATO chambering—compatible with standard AR-15 rifles and other NATO-specification firearms
• Military-grade brass cases and boxer primers engineered for reliability and reloadability
• Consistent loading procedures ensure round-to-round uniformity
• Packaged in convenient 20-round quantity

Specifications

Frequently Asked Questions

Will Frontier Cartridge FR240 ammunition work in my AR-15?

Yes. This 5.56x45mm NATO ammunition is compatible with all standard AR-15 rifles and other firearms chambered in 5.56 NATO. Always verify your firearm's markings before loading any ammunition.

What is the bullet construction?

The FR240 uses a 55-grain Hornady hollow point projectile, loaded into military-grade brass cases with military-grade boxer primers and propellant.

How many rounds are in a box?

Each box contains 20 rounds, making it convenient for range testing, zeroing, or topping off your ammunition supply.

Can I reload the brass cases?

Yes. Frontier Cartridge uses military-grade brass cases with boxer primers, which are reloadable.