Turbocharged Crown Shooting 28gr?

I like this kind of discussions. Edosan, can you measure the elongated ports that you have done without stucking issue.

I will, I have elongated so far like 10 barrels and remove the lower part of the pellet probe with cero jamming issues (tested jsb 15.8 and up and 23gn slugs and up), the stucking problem comes with enlargement. But I always advise:, if you not feel confy doing it, but you still want to, just get the spare parts first, just in case. Worst case scenario you just replace those parts, best case scenario you keep them as spare parts. I did that the first time, and those parts are still in my tools bag.