i bubba"ed it all myself ...on the receiver all you need is to bend it over a 3/4" rod...i have a 1" thick steel table that had a 1"
hole in it , set front bushing over it dropped barrel in ..sat a socket on the barrel with a 6 ton bottle jack..3 pieces of 3" angle iron ...welded it over the top ....real poor boy style ...worked great ....the barrel press is the key to the whole gun....it must be right on to get the correct bolt head gap...wire welded the front trunnion in ...gas weled the cocking tube...need the weather to warmup so i spray the gunkote..this link has lots of info..
http://www.militaryfirearm.com/Forum/showthread.php?t=296
http://www.weaponeer.net/forum/forum_posts...D=5794&PN=1