Hi all,
Well I wanted a little project gun to tinker with, I have always enjoyed 77s but couldn't find one to sort the itch. A reasonable Diana 52 came along, something that I have never played with. So let's put a TBT kit in for starters...
I have removed the 210mm square section spring and 1lb piston weight....in with the new spring and guides....a quick chrono showed it was twice what it ought to be....
Two hours latter I am back to 215mm and 11ftlb, I was warned they could go a little hot, mind it's very nice to shoot now and very easy to cock