This is not a difficult procedure if you have a press and correct press plate. Also, the barrel chop and crown can be done yourself as well.
One of the many videos on Barrel work:
Link to press plates/tools for 104:
https://robertforbus.com/ak-barrel-assembly-tools/akm-ak74/
Then just borrow someone's press.
There are tons of DIY threads on restrictor removal on AK specific Forums.
One of the many videos on Barrel work:
Link to press plates/tools for 104:
https://robertforbus.com/ak-barrel-assembly-tools/akm-ak74/
Then just borrow someone's press.
There are tons of DIY threads on restrictor removal on AK specific Forums.