I just got a crown from Utah airguns ,Austin kept up to date on my order .he was very helpful on MTC viper pro 70 - 80 yds bulls on bench are no problem with this gun , THANKS to everybody at the gun shop for all the input .
I had an issue of O-rings getting chewed up from loading port have someone that knows what they are doing put a small radius on entry of fill port and a little lube when inserting helps .