
Originally Posted by
Jon Budd
.. you shave 11mm off the 98mm stroke, so 87mm - great at 23mm bore.

Originally Posted by
NickG
, I now have it at 85mm stroke 180 grams , and a mark 3 spring, it cocks nicely, and is a much softer cycle ,
85mm vs 87 mm completely independantly - close enough
My piston weight is around 175g too
Always looking for any cheap, interesting, knackered "project" guns. But not lathes. I have too many lathes. Thanks, JB.