Anyone sell 20rd 223 ar mag?

[bobo1972]

I have looked at a few sources and I cam not find 20rd ar mags.
Anyone have a leed?

 

[Mr. Finicky Timbers]

Off the top of my head, HiCal and CanadaAmmo have 'em.

http://www.hical.ca/ar-steel-20-5-mags/
https://www.canadaammo.com/product/detail/dominion-arms-5-20-ar-15-mag/