Put the block in the deep freeze before inserting it. As cold as you can... it makes a very slight dimensional change that worked well for me, when combined with a slight chamfer
Another unfriendly article in the LA times about 80% firearms.
http://www.latimes.com/local/lanow/la-me-la-gangsters-homemade-guns-20180706-story.html
Build 1 got some more Vickers swag and a LW steel guide rod
So i helped a friend build (just giving instructions and loaning tools) a OD green frame with OD green slide. I was really impressed with looks!!!!!
Fauxland Special complete! Now I just need a holster.