Originally Posted by
Enfielder
Wha??? Don't you have 5000 posts on the Ak Forum?
....
If you use a matching-numbers kit with the original barrel in the trunnion, then the headspace will be fine. To be finicky- the bolt & front trunnion must match, and the bolt carrier ought to match because with a non-matching carrier you could have a situation where the carrier hits the trunnion before the bolt rotates fully into locking position, the probability of this is not too high but it could happen & you have to be aware and know what to look for. Just buy a matching #s kit and you'll be OK.