Was it a leaked engineering tool? A piece of abandoned 90s ballistics software? Or something else entirely?
I decided to dig in. For the uninitiated, Arrow Tech Associates is a small, legendary company in long-range shooting and ammunition reloading circles. Founded by Dr. Robert J. McCoy (author of Modern Exterior Ballistics ), their flagship product ProDAS (Professional Data Analysis System) is anything but casual software. ARROW TECH prodas.rar
Since this appears to be a specific, potentially internal, cracked, or obscure software archive (likely related to — known for their ballistics software like ProDAS and QuickTARGET ), I’ve written a speculative, engaging blog post that balances mystery, tech archaeology, and ballistics software history. Was it a leaked engineering tool
If you find it on an old hard drive, treat it with curiosity and caution. Scan it for malware. Run it in a VM. And maybe – just maybe – buy a modern license from Arrow Tech if you actually use it for real work. I decided to dig in
Because some files deserve preservation. Others deserve respect. Have you ever found an obscure .rar file that turned out to be a lost engineering tool? Share your story in the comments.
