Are cryo treated barrels supposed to increase longevity or accuracy? If accuracy, shot some loads and measure. Cryo then shot the loads again. You'll find out pretty quick if it helped. If for longevity a sample of barrels will be needed. Someone will have the answer as to how many barrels will be needed for a representative sample. Take x amount of barrels that are stock and x amount that are cryo treated. Run rounds thru them until they give up. There is your answer. Sounds like a potential article there Rocky.
