Ballistic Performance Matrix
Velocity, Energy, and Drop Calculations for .223 REM 55GR SP
| Range (Yds) | Velocity (FPS) | Energy (Ft/Lb) | Trajectory (Inches) |
|---|---|---|---|
| Muzzle | 3200 | 1251 | -1.65 |
| 100 | 2760 | 931 | 0.0 |
| 200 | 2365 | 683 | -4.0 |
| 300 | 2015 | 496 | -16.8 |
| 400 | 1705 | 355 | -39.8 |
| 500 | 1435 | 252 | -75.0 |
ABOUT US
At Southern Cross Ammunition Co.,
we believe Australian shooters deserve ammunition built specifically for Australian conditions, Australian firearms, and Australian standards.
That’s why we proudly manufacture premium Australian-made ammunition right here in Australia using only the highest quality components available.
We are shooters ourselves.
Hunters, target shooters, and firearms enthusiasts who understand the importance of reliability, precision, and consistency every time you pull the trigger.
Our passion for the shooting sports and the Australian outdoors drives everything we do.
From the very beginning, our mission has been simple: produce world-class ammunition that Australian shooters can trust with complete confidence.
Whether you’re in the field chasing game, on the range competing for accuracy, or spending time honing your craft, Southern Cross Ammunition Co. is committed to delivering performance without compromise.
Every round we produce is carefully loaded to exacting standards using premium projectiles, powders, primers, and brass.
We combine modern manufacturing techniques with rigorous quality control to ensure consistency, reliability, and accuracy in every box that leaves our facility.
As an Australian company, we take pride in supporting local industry and contributing to the Australian shooting community.
We understand the unique demands placed on ammunition in Australia’s harsh environments, and we build our products to perform when it matters most.
Excellence is not just a goal for us — it is the standard we hold ourselves to every single day.
From component selection to final inspection, we are constantly refining and improving our processes to deliver ammunition that meets the expectations of serious shooters across the country.
Southern Cross Ammunition Co.
Australian Made. Australian Tested. Built for Australian Shooters.
