They are sending me a replacement

What is the date code?

No obvious code stamp, where would it be?

usually a small circle with numbers around the outside like a single handed clock with arrow pointing to the month 1-12.....and a 2 digit year number staggering the center of the "clock" arrow

There is definitely something going on with a batch of these. The early adopters like myself had no problems with these. I own 20. They are all black.

5/15

mine sit too high i contacted wise and they told me to send them back for a swap .. hopefully that works! 

Any details on what caused it?  I'm curious as I ordered a few of the hexmags.  I have yet to try them but am considering taking them out after hearing all the stories.

 

I mainly use the pinned pmags from MidwestPX but I figure if I'm shooting in a muddy match where I am going to drop it, I figure I would use these instead of my pmags.  They probably are not going to see much heavy use though.

I dunno about these. I know a lot of people have been buying them and growing pains happen but I think I'll still stick with the pmags for now. Never an issue with any of the several Midwest mags I have

 

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Don't care how cheap these are, I'll pass on them. There are just way too many bad reviews on them out there, not worth the hassle for me.

^agreed I'll stick with my pmags. I stocked up when I found them for 11 bucks each if I bought 10 or more so it's not like they were more expensive than hex mags anyway

Nothing worse for an AR than goofy mags.

failure attributed to fractured mag catch on exterior of magazine, a manufacturing defect. Appears to be an isolated failure as the other hexmag from the same lot is ok. Note that hexmag is planning on introducing a .308 mag sometime within the next 12 months

Went to pull a 15/30 hexmag out of the safe today where it had been just sitting on a shelf, loaded with 14 rounds.  As soon as I had it in my hand it vomited about 5 rounds.

 

Here's why:

 

 

Date code 06/13:

 

 

As far as I know I've never dropped it/abused it, unless filling it to capacity, inserting it into an AR and leaving it inserted while firing the ammunition counts as abuse.

I don't feel either way about hexmag, but they have been continuously updating their mags, with the older one having issues they fix in newer ones.

I have one from the 6/13 batch as well that split the same way.  Haven't sent it out yet to be fixed but the their customer service was on top of it right away.