Two groundhogs shot on different days in the video. Shot both with the 50 grain Varmint Knockers going at about 900 fps. I don't know about other 30 caliber air rifle shooters but the 30 caliber just seems to be an accurate round. I guess the weight, less wind drift and may more efficient use of air might be factors. I am adding a picture of some expansion testing I did back a few weeks ago. While the 30 cal 50 grain Varmint Knockers do expand they don't as much relative to the smaller calibers. However starting out at 30 caliber and all the fpe it is still a devastating round. Bill
https://www.youtube.com/watch?v=k-PMfaKnccg&feature=youtu.be&ab_channel=GunPowder%26AirPower
https://www.youtube.com/watch?v=k-PMfaKnccg&feature=youtu.be&ab_channel=GunPowder%26AirPower
