It's a great barrel for the price. If you're looking for a good upgrade from stock to add a bit more accuracy, then this is great to start with. I bought it for my Excellerator because of the price and product consistency, and it's all i really need in a more accurate barrel for that gun. Occationally i put it on my automag (with a spyder to cocker adaptor) and use it in scenario for better accuracy and range.
The only thing i dont like is how the barrel o-ring is so small. I dont know what they were going for, but i prefer a normal flat edge and a regular size o-ring, because it didnt really fit tight enough into my excellerator at first. I put a cocker size barrel o-ring on it and a drop of oil, so now it fits snug.
For the price, totally worth it. I think these barrels are overlooked simply because JT makes them, and thats a mistake. 9/10, because i had to improvise an o-ring.