We've got 7.62x51 NATO (.308 Winchester) PMAG 5/20 round magazines in stock $29.99 each :D
5.56x45 NATO (.223 Remington) PMAGS 5/30 round magazines available $99.99 for 5.
Plenty of Magpul XTM Rail Panels as well - which we're blowing out at $8.99 for a pack of 4 (covers ONE side of a carbine rail)