Though I fill up my K1 for a little xmas morning shooting. But, damn its leaking at the filler probe! Anyone know the size of the 3 o-rings on the probe. Can't seem to find it on the exploded diagram here https://www.airgunnation.com/topic/huben-k1-exploded-drawings-and-spare-part-list/
merry xmas all
merry xmas all