I was just at RK in Lafayette. They have Thermold 30 rd 223/5.56 mags for $16.98 I don't have one so I don't know anything about them.Walmart Logansport has the following:
Remington .22 subsonic 50 count $3.77
Remington .22 525 count brick $21.77
Fusion 6.8 SPC $23.47
TulAmmo 7.62x39 20 count $5.17
Rural King Lafayette has:
.45 acp 50 count $21.95
They also have a ton of 25 round mags for the Marlin 795. $19.98 I picked up 1.