BSA,

The 10-shot and rapid 15-shot groups look great.

Did you try pulling the trigger spring? If you pull the trigger spring, the blade spring should be enough to reset the trigger. If you pull the blade in addition to the trigger spring, then you may need a really wimpy trigger spring for reset (just enough to push the trigger forward).

I pulled the trigger spring on a 22lr RAR and its really, really nice even with the blade. This was my bud's rifle and he wanted to keep the blade.

I can send you some of that weak spring if you need it. Or you might find a spring in a ballpoint pen that would work. ACE Hardware should have some as well.

Jason