I have both of the JP Models the 14.5" barrel with pin and welded comp and the UL with the 5.5" Barrel and shroud. I like them both very much, but for me they shoot completely differently. The regular barrel rifle dot barely moves, but it is slower to transition. I bought this rifle primarily for USPSA. I know this from reading the splits on the timer. The UL dot moves a noticeable amount more, but is quicker on transitions because of reduced weight. Again the timer doesn't lie. My purpose was to shoot USPSA with the heavier gun and Steel Challenge with the lighter one, plus have a back up to the other in either case. I have the same optic a Sig Romeo XL with a 6 MOA dot on both and trigger pull on both out of the box is 2 1/2 to 2 3/4 pounds. If I was younger and stronger, I might be tempted to go with the lighter one for everything. IF I had to choose only one I would be going with the heavier one. I have not shot the UL in a match yet, only practice.