yeah, as Tony says it's balance. Witha shorter stroke, you are probably more able to lighten the piston, as there is less air up front to counteract...
The 95 piston isn't overly heavy at circa 250g, although a few people have reported pleasing results once lightened a little. It'll all boil down to...
Gotcha.:oldwink: So, with the cocking arm disconnected, you should be able to fit the barrel in the "open position" and then close it and re-fit the...