Mauser Evaluation Needed

[sheepherder]

Originally Posted by alvin

Why did not the receiver returns to its forward position .... could be main spring's problem, more likely being a mismatched (or forced matched) bolt lock.

...Bolt *lock*??? Or bolt itself???

When I swapped the guts of my Red 5 into the "new" receiver, the bolt itself was a snug fit...it too hung up...so I lapped it in with polishing compound, and now it is as smooth as owl sh*t...

FWIW: I use three different kinds of compound to lap in parts...

Dupont Polishing Compound - fine grit
Dupont Rubbing Compound - medium grit
Permatex Valve Grinding Compound - coarse grit

You can usually tell (with the aid of blue dye) where the part is tight...and depending on how much metal you wish to remove, you choose the appropriate compound...

My C96 safety is too tight; I'll be lapping that in as well...with polishing compound...