colors: Black, Translucent Clear, Translucent FDE, Translucent Smoke. sadly no Thanos mags.

they also have the 20rnd mags for $$10.98, same 4 colors. I love those in my AR pistol cuz they don’t stick out past the vertical length of the pistol grip and keep it nicely compact:

https://www.larue.com/products/lancer-l5awm-5-56-20-round-magazines/

i got $8.95 flat rate shipping when I checked out with 10.

edit: and no tax charged to VA