Just starting a new build on one of my Bulgarian 74 sidefolders.
I should probably ask before I start cutting away  
The rear trunnion ??.. is there any tricks that the people who have built one know and i should know before I make a mistake.
Things like what’s the best way to fit your rear trunnion? Most importantly getting it all lined up so it fits flush and the stock hits the latch just right?
it looks to me like there are 3 rivet holes in the back(on each side) are they all long rivets or are some short? it kind of looks like one is long and the others can be short.
These ?s may seem easy to people that have dealt with these sidefolders but the only other one I have ever fondled/shot was a milled krinkov

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