question on FAL magazine

[Tom in N.J.]

RCS.. I have metric FN FAL mag that looks just like your blue one on the left in the first photo. My mag has a mark on the rear consisting of an oblong with a mark inside. My old eyes are unable to make it out. Metric mags have the small stamped out protrusion to engage the receiver on the front, inch mags have a wider heavy lip to retain the front of the mag. At least seven countries made FN-FAL mags.

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[browningautorifle]

Can one open up the lips of a metrics mag so it locks up better.

They lock at the back spine. Take a minor pass with a file in the notch you see and the mag will seat better. Lips have naught to do with it.

Metric mags have the small stamped out protrusion to engage the receiver on the front

I think it's just a mass produced metric mag. Military contract of some description...it has the tiny front flashing.

I can see a marking but don't recognize...