can someone help identify this magazine?

[zackmars]

i got this magazine a while ago, and had completely forgotten about it. i re discovered it when going through my mags, and i cant find anything on it

http://i1377.photobucket.com/albums/ah77/zackmarrs/Mobile%20Uploads/20160202_171430_zpsxx4t2qzm.jpg (http://s1377.photobucket.com/user/zackmarrs/media/Mobile%20Uploads/20160202_171430_zpsxx4t2qzm.jpg.html)

next to a D&H

http://i1377.photobucket.com/albums/ah77/zackmarrs/Mobile%20Uploads/20160202_171546_zps75ftcy1f.jpg (http://s1377.photobucket.com/user/zackmarrs/media/Mobile%20Uploads/20160202_171546_zps75ftcy1f.jpg.html)

the follower does not tilt

http://i1377.photobucket.com/albums/ah77/zackmarrs/Mobile%20Uploads/20160202_171455_zpsptv0lzxk.jpg (http://s1377.photobucket.com/user/zackmarrs/media/Mobile%20Uploads/20160202_171455_zpsptv0lzxk.jpg.html)

the floor plate is retained more like a polymer mag than any other metal mag i've ever seen

it's made of steel, and there are no markings that i can find.

[jayfl]

From the mag body and the follower, it looks like a 5.45 mag. Not sure who the manufacturer is though. All of m 5.45 mags are ASC and the stamping is slightly different near the top.

[zackmars]

From the mag body and the follower, it looks like a 5.45 mag. Not sure who the manufacturer is though. All of m 5.45 mags are ASC and the stamping is slightly different near the top.

i dont have any 5.45, but i can load 30 rounds of 5.56 with no problem, and the body has the same dimensions as my aluminum magazines

[jayfl]

i dont have any 5.45, but i can load 30 rounds of 5.56 with no problem, and the body has the same dimensions as my aluminum magazines

Then it's definitely not a 5.45 mag. I was just going on the 2x ribs and the fact the front rib looked a little farther back then normal but that's probably an optical illusion.

5.45 on the left:
http://i.imgur.com/mbAA43d.jpg