So I am still learning the nuances of my Airforce Texan .357. A major factor I learned this week is .357 isn't always .357! Actual bore sizing becomes SUPER critical in big bore airguns and will affect FPS and accuracy a TON if not correct. Check out this quick little video I made covering this topic. I hope to get my hands on some of Aero Magnum's .358 version of the ballistic tips soon - the .355s were AWESOME in person! Check it out:
