It screams All Original.
The stock colors are perfect matches.
Have head space checked. You can buy different size bolt heads if you need to correct HS.
PS: Leave that yellow paint on there. Character!!! And I know it's rude to ask, but..............$?
Not to step on any toes, but this is only the case for the #4 and #5 rifles. Changing the bolt head out for a #1 involves quite a bit of gunsmithing from what I have heard/read.