Originally Posted by Jon Budd
I'm sure you are right, however I've already noticed that 23mm is much more prone to combustion, presumably due to the higher pressures... I'm thinking that this will start to be a problem if you go too small, esp on .177.
On .20 & .22, not anything like such a big issue...
Briefly tried it on my .20 and it was surreal
The combustion problem is what I have been going on about, have some tube ordered going to try 21mm, in my 77, the hc shoots well at 23mm but not better than my 25mm set up, so still playing about
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