I just started using it, (just started reloading 223 FWIW), working on loads, goes 'bang', cycled the gun at a starting load. Seemed at least as accurate as factory, I was surprised how clean the gun was when I cleaned it. I have three more loads to try, wasn't super paying attention to accuracy the first time, the gun is new and was playing with a new red dot which isn't the proper way to really test anything, LOL. Once fired brass, 55gr Hornady FMJ. I have some H335 I will compare it to once I settle on a load with the CFE223