Armscor FAC2231N USA Competition 223 Rem 55 gr FMJ20 Per Box/ 50 Cs
- Capacity-Rounds:
- 20
- Style:
- Full Metal Jacket
- Caliber-Gauge:
- 223 Remington / 5.56 NATO
- Grain:
- 55
- Muzzle Velocity:
- 3100
- Application:
- Target Shooting
- Muzzle Energy:
- 1323 ft lbs
- HazAir:
- Yes
Armscor USA Competition .223 Rem 55gr FMJ ammo delivers reliable, domestically manufactured centerfire rifle rounds built for shooters who need consistent performance at a straightforward price. Whether you're zeroing in at the range, running drills on steel, or training for matches, this 55-grain full metal jacket load pairs proven case construction with dependable powder and primer work—the kind of no-frills, repeatable accuracy that keeps your focus on the target, not on wondering whether your round will fire. Loaded 20 rounds per box and packaged 50 boxes per case, it's built for volume shooting without the guesswork.
Made in the USA by an ISO 9001 Certified manufacturer, Armscor holds its ammunition to SAAMI standards and has earned trust among military, law enforcement, and competitive shooters for delivering on its promise: precise, dependable performance, shot after shot. The 55-grain FMJ is the workhorse of .223 Remington shooting—lightweight enough for fast, flat trajectories and predictable behavior downrange, yet substantial enough for the job.
If you shoot an AR-15, a bolt gun, or any .223 Rem rifle, this is the kind of ammo that lets you focus on technique rather than chasing flyers. Case quantities make it practical for serious range time, practice rotations, or building your working stockpile without the premium pricing of specialty loads.
Key Features
- 55-grain full metal jacket bullet design—standard for .223 Rem range and training work
- USA-manufactured ammunition backed by ISO 9001 quality certification
- SAAMI-compliant loading ensures reliability across standard .223 Rem firearms
- 20 rounds per box, 50 boxes per case—efficient for high-volume shooting
- Proven track record among competitive shooters, military personnel, and range enthusiasts
Specifications
| Caliber | .223 Remington |
| Bullet Weight | 55 grains |
| Bullet Type | Full Metal Jacket (FMJ) |
| Rounds per Box | 20 |
| Boxes per Case | 50 |
| Total Rounds per Case | 1,000 |
| Manufacturer | Armscor USA |
| Manufacturing Standard | ISO 9001 Certified; SAAMI Compliant |
Frequently Asked Questions
Will Armscor USA .223 Rem ammo work in my AR-15?
Yes. This ammunition is loaded to SAAMI specifications for .223 Remington and will function in any standard .223 Rem or 5.56 NATO chamber rifle, including AR-15s, bolt guns, and lever actions chambered in .223 Rem.
Is this ammo suitable for competition or match shooting?
Armscor USA Competition ammunition is designed with shooters, combat competitors, and training-focused rifle users in mind. The 55-grain FMJ load is widely used for range practice and competitive drills, though some precision match shooters may prefer specialty match-grade loads; this is general-purpose, reliable ammunition.
What's included in a case order?
One case contains 50 boxes with 20 rounds each, totaling 1,000 rounds of .223 Rem 55gr FMJ ammunition.
Is this USA-made ammunition?
Yes. Armscor USA ammunition is manufactured in the United States and meets ISO 9001 quality standards, distinguishing it from Armscor's precision line made in the Philippines.
Ammunition Restrictions:
You must be 18 years or older to purchase shotgun or rifle ammunition, and 21 years or older for handgun ammunition. All ammunition must be shipped via Domestic Ground, and shipping is not available for international residents. Residents of CA, DC, IL, MA, NY, CT, and NJ may be subject to additional restrictions. Always ensure you use the appropriate ammunition for your firearms, and check your state and local laws for any other relevant regulations on firearms and ammunition. Due to Department of Transportation regulations, returns on ammo cannot be accepted. Please verify local laws before placing an order.
We are unable to ship ammunition to the following:
- Hawaii
- Alaska
- P.O. Boxes
- APO/FPO Addresses
- International Addresses
- U.S. Territories
- U.S. addresses with zip codes starting with (100, 101, 102)
Illinois residents must provide a copy of a valid FOID Card or Valid Concealed Carry License, along with their IL driver’s license or IL state identification card to purchase ammunition. The ammunition can only be shipped to an address listed on either of those two documents.
Email: [email protected]

