My production gun is a SP01 that I have been shooting for a while & really like it.
For the last few weeks I have been shooting a GP6 and have found it very nice indeed as someone said the frame is a bit slippery but we have cured that with some grip tape, just need an extended mag button & thats on order!
While its not a SP01 for a poly frame gun it comes pretty close, Very nice SA trigger, smooth DA pretty good sights out of the box (apart from the white dots) I intend to shoot the GP6 for a while & see how it stacks up, so far pretty good!
Bill