Polishing up the inside of my Norinco 1911?

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drumstyx

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Whitby, ON
My Norinco 1911 has always been a little rough in the slide movement, and I've decided I want to fix that. The first culprit, I think, is the crazy amount of machine marks on the inside of the frame where the spring rides.

Can I safely grind/sand/polish these down without refitting anything? What's involved for rebluing after? What else could help stop the 'grindy' slide movement?

Pics:

6IgTl2h.jpg
mFUduqq.jpg
 
Cleaning up the machine marks in the dust cover will not do any thing for the crunchy feeling when racking the slide. You will need to true , smoothen and polish the the slide to frame fit of the gun. You will need to be very careful doing this as you can loosen the slide to frame very easily. Leaving you with a loose and rattling gun. You could use cold bluing solution since you will not be working on any show surfaces, saving you about $100.
 
drumstyx said:
My Norinco 1911 has always been a little rough in the slide movement, and I've decided I want to fix that. The first culprit, I think, is the crazy amount of machine marks on the inside of the frame where the spring rides.

Can I safely grind/sand/polish these down without refitting anything? What's involved for rebluing after? What else could help stop the 'grindy' slide movement?

Pics:

6IgTl2h.jpg
mFUduqq.jpg
Click to expand...

Shoot about 3-5000 rounds and it will be smooth as butter
 
So I fully disassembled it (1911s are a pain in the ass to field strip compared to the modern beretta 92, but damn it makes up for it in the ease of detail stripping) and with some soft scrub on the rails I ran the slide on the frame hundreds of times. Rinse and repeat.

It's smoother, but I still hear/feel it in the spring, and the disconnector. I can totally live with the disconnector friction (which makes sense) since function is just fine, but the spring grittiness appears to be from the roughness of the spring plug inner, and the guide rod outer.

Should I just buy a high-end plug/rod, or should I work at these?
 
None of the parts you're playing with make the slightest bit of difference smoothed or not. None of those parts are ever fitted, so if you want to play it won't hurt anything. No grinding though.
Both of those pistols field strip easily. They were designed to be field stripped by PBI troopies. You're not field stripping though.
 
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