Problem with 762 Russian

[fstdraw]

I've been reloading 7.62x39 for a few years. I find it to be "somewhat" consistent in manufacture (brass and steel) so I normally don't have troubles reloading it. Recently I got a hold of some 762 brass that reads GECO and 7.62x39. I've been de-capping and sizing it along with Winchester, FC, you know the usual suspects. All the brass slides in and out of my case length gauge without problem...except the GECO. Not only does it not want to fit flush in the gauge, an eighth of an inch won't go in! 10% of the GECO will fit fine, the rest will not. Now it does seat OK in my AR47, but I'm still uncomfortable and won't take a chance on loading it. Thoughts? Anybody else have this problem? Nearest I can figure, it maybe German made.

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[saxon]

of all the brass i reload i find geco to be the most problematic in most calibers

 

[Certaindeaf]

You need an extra superdooper small base sizing die, aka a garbage can.









Lool

 

[fstdraw]

LOL! I can believe it, very difficult brass.

 

[DLS]

GECO is one of Europes largest ammo manufacturers ... they have been building ammo since 1899.

Their brass tends to be a bit thicker near the base than other brands. Get a small base size die, which is not a terrible idea when loading for an autoloader.

You can sometimes get a bit more sizing by running the brass through the sizer, rotate the case 180-degrees and size again.

Edited to add:

Make sure your press is "cammimg over" to ensure you are getting the maximum sizing from your die.

Is your shell holder the same brand as your die? If not that can make a difference.

 

[Stomper]

You need an extra superdooper small base sizing die, aka a garbage can.









Lool

No, no, no….. Hunter Biden made a deal with Putin to change the spec, on import commie style brass…. apparently there's been a misunderstanding on ,"10% for the Big Guy".


Tossing that brass would be a direct threat to the soul of our democracy!