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-   -   Cartridge Size Problem (http://www.firearmstalk.com/forums/f19/cartridge-size-problem-87143/)

starving030 03-22-2013 04:32 AM

Cartridge Size Problem
 
Mystery solved!! I got sold some mil surp 54R by mistake and I didn't catch it.



Ok. So my AK-47 has stumped me once again. The chamber looked way to small for a 7.62 and I happened to have some 5.45 sitting in a box in the basement. So, I decided to check the muzzle end and it would only go in a little. So I turn the barrel around and tried the other end. It wouldn't go in passed the shelf I think it's called? The widest part of the taper on the case. Also, the bolt is way to small for the 5.45. All I can think of is this AK got re-chambered?

Any ideas?

I'm gonna try to find a smith somewhere. I live in the boonies so it's not going to be easy.

http://s15.postimg.org/vlmb10q9z/0321132325.jpghttp://s15.postimg.org/va4uo99tz/0321132327.jpghttp://s15.postimg.org/ulw05bb47/0321132328.jpg

Jpyle 03-22-2013 04:39 AM

Quote:

Originally Posted by starving030 (Post 1185775)
Ok. So my AK-47 has stumped me once again. The chamber looked way to small for a 7.62 and I happened to have some 5.45 sitting in a box in the basement. So, I decided to check the muzzle end and it would only go in a little. So I turn the barrel around and tried the other end. It wouldn't go in passed the shelf I think it's called? The widest part of the taper on the case. Also, the bolt is way to small for the 5.45. All I can think of is this AK got re-chambered?

Any ideas?

I'm gonna try to find a smith somewhere. I live in the boonies so it's not going to be easy.

http://s15.postimg.org/vlmb10q9z/0321132325.jpghttp://s15.postimg.org/va4uo99tz/0321132327.jpghttp://s15.postimg.org/ulw05bb47/0321132328.jpg

Unless you know for certain what you have the only safe option is to have a gunsmith cast the chamber and determine the caliber. What caliber is it supposed to be, have you ever shot the rifle, is it a .22lr AK clone? really no way anyone can answer any questions. Can you post a pic of the complete rifle, is it an AK 47 or and AK 74?

kaido 03-22-2013 04:44 AM

This is a long shot, but maybe see if a .223 chambers? I know some SKSs have been set up to fire that round, but I've no idea about any AKs being set up to do so.

Jstrong 03-22-2013 04:44 AM

Are you sure that's 5.45x39? Bc I'm fairly sure the round in your pictures is not.

Looks to me like your trying to load a rimmed 7.62x54r into an AK chambered for 7.62x39

The x54r is a much higher power (bigger) round made for bolt action soviet rifles and SVD's as opposed to the intermediate x39 cartridge which is not rimmed and is smaller.

Axxe55 03-22-2013 04:46 AM

what are the barrel markings? is there any chance it's been rebarreled in a different caliber?

most barrels have the cartridge size marked on them.

starving030 03-22-2013 04:50 AM

It's currently disassembled. I have never fired it before. The barrel trunnion is marked M70AB2 1988. Also marked I believe a serial number 446022. There is a letter Z randomly marked near the model number as well. I was told that it was a Yugo Underfolder.

http://s21.postimg.org/ktpnih4c3/pix503598838.jpg

starving030 03-22-2013 04:51 AM

Quote:

Originally Posted by axxe55 (Post 1185794)
what are the barrel markings? is there any chance it's been rebarreled in a different caliber?

most barrels have the cartridge size marked on them.

Where should I look? I have looked a couple of times but haven't seen anything. Is there a specific place it could be hiding?

nitestalker 03-22-2013 04:55 AM

You have as already posted a 7.62 X 54r used in the Mosin-Nagant rifle. You should have a 7.62X39 Ctg. for your AKM-47 rifle.:)

kaido 03-22-2013 04:56 AM

Quote:

Originally Posted by starving030

Where should I look? I have looked a couple of times but haven't seen anything. Is there a specific place it could be hiding?

On all my rifles their marked about mid way up the left hand side of the barrel. I don't know if AKs would by marked in the same area, but it's a good spot to check.

Might sound a little silly.....but since you said your gun is disassembled, any chance you could post a picture of the round your trying to chamber? It does look a little like a 7.62x54R.

Jstrong 03-22-2013 04:59 AM

Looking at the pictures again I'm fairly certain you have what you think is a 5.45x39 confused with what is actually 7.62x54.

I can clearly make out a rim on the cartridge you pictured,and its not shaped right for a 5.45.

I think your worrying yourself over nothing dude. If it came with regular AK mags I'd be willing to bet its a plain ole' yugo AK that shoots x39


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