Description
STV Technology builds this Scorpio load in the Czech Republic with components chosen for dependable function across standard rifle platforms. The 55-grain full metal jacket design has been a proven choice for generations, pairing a lightweight bullet with enough velocity for flat trajectories and tight groups at typical range distances. You'll get quality brass cases that feed smoothly, boxer primers for easy reloading, and a non-corrosive formula that keeps your rifle cleaner longer than many competing loads.
What Makes Scorpio Stand Out
This isn't bargain-basement ammunition. STV Technology manufactures under C.I.P. production standards, the same specifications used across Europe for military and civilian loads. The brass cases cycle reliably in semi-auto rifles and bolt guns alike, and the lead-core FMJ bullet minimizes barrel fouling without sacrificing accuracy. You're getting EU-manufactured quality without the premium price tag you'd find with some other imports.
Built for High-Volume Sessions
The 55-grain weight sits right in the sweet spot for AR-15s, hunting rifles, and precision bolt guns with standard twist rates. Whether you're running through 200 rounds on a Saturday or building skills over several weeks, this load performs consistently without requiring babysitting or special handling. The clean-burning profile means less carbon buildup, so you'll spend less time scrubbing your bolt carrier group and more time on the line.
Key Specifications
- Manufacturer: STV Technology (Czech Republic)
- Caliber: .223 Remington / 5.56 NATO
- Bullet Weight: 55 Grains
- Bullet Type: Full Metal Jacket (FMJ)
- Case Material: Brass
- Primer Type: Boxer Primer, Non-Corrosive
- Rounds Per Box: 20
- Production Standard: C.I.P. (civilian international)
- Muzzle Velocity: Approximately 3,240 FPS
- Reloadable: Yes
- UPC: 850053775024
- Model Number: S223055F
What’s Included
- 20 rounds of .223 Rem 55gr FMJ ammunition
Frequently Asked Questions
Will Scorpio .223 ammo work in my 5.56 NATO rifle?
.223 Remington is safe to fire in 5.56 NATO chambers, and the Scorpio load performs reliably in both. The reverse isn't recommended though – firing factory 5.56 loads in a .223-specific chamber creates pressure concerns. Since this is .223 Remington, you'll get slightly lower pressures and good accuracy in either chamber type.
Is the brass reloadable?
Yes, the Scorpio comes in quality brass cases with boxer primers, making them straightforward to reload. The brass is durable and can handle multiple reloading cycles, giving you good value if you're a handloader.
What barrel twist rate does this ammo prefer?
The 55-grain bullet performs well across standard barrel twist rates, including 1/7, 1/8, and 1/9 inch. It's designed to stabilize predictably in most modern AR-15s and bolt-action rifles without requiring a specific twist rate.
How clean-burning is this load?
The Scorpio formula burns cleaner than many budget imports, which means less carbon buildup in your bolt carrier group and easier maintenance between range sessions. You'll notice the difference after running several hundred rounds compared to heavily fouling loads.








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