Impossible, or enifficiant, I like the way you have put that.
I'm using a 98, in 177.
At the moment, my FTT's fit nice and snug. But I put in any RWS brand and it's 'slightly' loose. Naturally, nothing that the 'un touched trophies finger' would worry about but there is a difference. Basically, what your saying is that if it's innificiant, it wouldn't be producing the nice 11'ish ftlbs with any pellet? Or are we saying the same thing, some pellets over, some under: going on the mr pittaway point? Apologies, been down the watering hole as per usual on a Friday...
No idea how to spel