The wind decided to give me a break today so I did a bit of testing. Rifle was a Red Wolf.177 HP set on low, jsb 10.3 was used.
Target #1 was a 0db 110c in the center for control, the others were 4-5 shot groups with the barrel weight only, as the standard for the rest of the test.
Target #2 was a full length Ryu, I had a great group going at the bottom until I made the same mistake twice.
Target#3 was the Ryu with 2 sections and seems like this may have had the most consistent, round groups. Oddly, nearly the same length as the 0db.
Target 4 was spoiled by outside influence, so I marked the offending group, and shot another in the center to replace it. The best group was at the bottom with 4 in the exact same hole, and the 5th slightly out of that.
I did not put the calipers to anything. It seemed like a moot point. The groups were shot at 25 yards to remove influence of any wind in the little pellet. I personally feel the shape of the groups in target #3 showed most promise, but the viewer can make their own observations. I expected a greater difference in results that may show up at greater distance, or this may just be an example of Red Wolf rifles doing what they do. Anyway, I hope that you find it interesting.