Lapping lugs (AKM)

How I lap the lugs on virgin akm bolt and trunnion.

Music:
Fanfare for Space by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1300026
Artist: http://incompetech.com/

Music:
Fluidscape by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100393
Artist: http://incompetech.com/