Have you tried a new hammer spring? It could possibly be the original
As above just been given the rifle , done all what info I know to get the power up to legal limit but I'm stuck around the 9.5 mark. Its .22 any more ideas would be great.
Obviously a pm would be better, before the usual suspects get excited.
Thanks.
It is the 16 joules version.
Have you tried a new hammer spring? It could possibly be the original
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