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2/7/2026 2:49:04 AM EDT
This appears to be an M14 magazine modified for use in a 7.62 NATO AK pattern rifle. Does anyone recognize it? I’ve read that the original Yugoslavian M77 and M90 rifles imported by Mitchell Arms lacked enough magazines and they ended up having M14 magazines modified  to work.

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2/7/2026 4:31:49 AM EDT
[Last Edit: Bklyn_Irish][Edited] [#1]
Armalite sat on a ton of USGI M14 mags for later conversion for AR10s and sold them after the expiration of the AWB. I wound up with ten of them.

There does not appear to be a manufacturer mark where manufacturer marks tended to be on USGI mags. Could be A ROC T57 or ChiCom mag.

Did find a thread.
"Whisky for the gentlemen that like it. And for the gentlemen that don't like it - Whisky!" -Alec Guinness as MAJ (acting Colonel) Jock Sinclair, D.S.O., M.M. "Tunes of Glory"
2/7/2026 7:36:35 AM EDT
[#2]
The sparkley finishes makes look like t57.
2/7/2026 2:11:21 PM EDT
[#3]
M14/m1a mags are easily modified for use in armalite ar10s.
2/7/2026 3:21:06 PM EDT
[#4]
This is definitely not an Armalite AR-10 magazine. Those early AR-10 magazines have the lugs on the front and back removed and a notch cut into the side for the normal AR-15/AR-10 style magazine catch. Interestingly, there was also a Taiwanese (ROC marked) M16 magazine in the same lot.
2/7/2026 3:30:50 PM EDT
[Last Edit: arashi][Edited] [#5]
Looks like one modified for a Valmet M78.  In that case, it would be much more valuable to someone.

The front lug looks nothing like the lug on my OG M77 mags.  M77 mags are $20 now.



2/7/2026 3:59:43 PM EDT
[#6]
Thank you, that looks like an exact match to me. Valmet M78 it is!
5/26/2026 9:47:01 PM EDT
[#7]
M14 magazines were also modified  for the .308 Galil.

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