I have used a lot of 6mms, from little wildcats of 6mm/222 mag; 6mm/30-30 Imp (Bullberry), 6mm/284, 6mm Remington but my fave was the 240W! I have had 2, first was a Weatherby Accumark Ulralight (mid 90s) and I shot the older 90gr Barnes X at 3500fps. Wicked. I then had a custom built later with a 27" barrel and used the 95 NBT, it settled down at 3500fps, but both were super killers on antelope to Axis deer. I think now that the Vanguard is offered in it that many should try it. I'm sure its no better than a 25-06 or 270, etc. but it sure is a sweety! My friend here has used one for Mule deer/elk with the 95gr Partition. don't know how fast but he has killed some big bulls and made some 400+ yds shots on deer.