Now I did not know that barrel life is measured in feet per second.
Learn something every day!
--the things we learn each day---
I have 130 year old guns that are tackdrivers, and will still be when I'm done with them. Most of us don't shoot nearly enough to worry much about barrel wear, but that doesn't stop bubba from hyper-analyzing his Walmart bolt gun's barrel every time he pops off a few rounds.