Picking up a cheap CETME as a project rifle

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mf-dif

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I'll be checking bolt spacing, purchasing rollers, new bolt head if it's been grinded, springs, extractors, HK mags etc.

I do have a question on ammo though. Does it really only run 7.61x51? Read that .308 will cause split and stuck casing. Any modes around that? .308 is much more readily available and cheaper in some chases.
 
mine ran 308 just fine, but i'm not a reloader so I didn't care what it did to the brass. but yes cases are really F'd up sometimes but it didn't jam.
 
Steel case .308 maybe will work better.
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NO!

Don't run steel cased ammo in a fluted chamber. The steel in cartridge cases is failry soft, but still has steel properties. It won't pull crap out of the chamber like brass will. Also, if memory serves, the CETME/G3 design does need some friction between case and chamber to prevent early opening; Steel cases may not grip enough.

Besides, if you're just trying to limit case deformation, it's a moot point, since most steel cases are berdan primed anyway.
 
The G3/cetme was designed to use really thick brass cased and steel cased ammo and both were berdan primed you should not reload brass from a G3 style gun. So yes steel cased ammo is fine.
 
I shoot steel and brass in mine and have never had a problem. it will chew up brass but it is still mostly reload able if you can find it. whats hardest on the brass is being thrown 3 to 5 yards by the extractor but a port buffer will help with that.
 
My fmp xg3s dosent mind steel at all, the only trouble Ive had with it was with some slightly corroded DAG, but then again this gun is marked 308 and is not the same as a cetme.

Ive been feeding it the zink coated steel lately
 
My CETME eats everything I have fed it from Fusion 150, win-west 150, Tula 147, Wolf 147, Remington 168, Lake city 175, without a hiccup. Now I need to replace the rollers as I down to near nothing on bolt space.
 
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