I have a .45cal hunterbolt and just added a .50 kodiak and have never had a problem with my CVA rifles. Granted they don't have the fit and finish of a knight or T/C but they are a quaility gun for the price.I shot 150 grains of pyrodex in pellet form out of the .45 and it had no ill effect on the gun but it did on my shoulder. Will never do that again.