Third game with my P90 and it was pinch-jamming constantly. I later found out it was just a bucking issue - easy fixed by a good rinsing - but in a fit of frustration I dismantled the thing in the field to try and get it firing. Only went and lost the hop nub, eh?
With an impending game on the horizon I tried to rustle up a homemade flathop mod, and I'm now getting hop but it's got a left-to-right swing on it and it's pretty abysmal.
First try and all, but I vowed not to monkey with my gun and due to necessity (and my own idiocy I know) I'm now knee-deep in hop modifications and convinced I'll not get decent performance out of her again without buying some replacement hop components.
No biggie, just my anecdote