at this picture
this barrel
have number 5
but it have number 7 at this picture
have this barrel
this parametras 99.8; 15.4; 26;
or this 96; 13.1; 26
It is a very important becaese i want to make a replica of this. And every millimeter is very impotant
p.s.
Thanks for the help. I apologise for too many questions. Excuse me