I posted this in the "mags for sale" section and maybe it was not the correct place to post.
Mark @ fourfourmag.com is selling crapped out 30 rd USGI mags for $5.50 each (10 for $50) Price, I believe, is shipping included.
New rebuild kit from CMMG for +/- $5. Of if you have spring, floorplate, follower laying around forget about the small parts. Use small parts to refurbish poor condition magazine. (Georgia Precision, Computerguy, etc, etc also have these available)
Order replacement 30 round mag bodies from CMMG for $12.95 + flat rate shipping. Note, it is best not to change all parts at one time...
Your cost depending on whether you have small parts laying around will vary from $18-24 for a great mag...
fourfourmag's service was very good.
Not just to repeat this again, repeat this again, repeat this again, but CMMG's service was SUPER. Thanks Jeff & John!
Don't forget to de-mil and retain the old body "just in case".
"Because, a mag is a terrible thing to waste"