RE: 100 rd mag for AR-15
I've got a feeling something like that isn't going to go down in price for some time...the reason being is Supply and Demand. Suddenly a LOT of guys with post ban AR's can now legally buy 100rnd drums for them, there never were many of them out there, so now there's going to be a rush of sorts.
As far as I'm concerned, I'd much rather have three 30rnd mags than one 100rnd drum...The 100rnd drums I've used in the past have been pretty sad as far as performance went, they're un-Godly expensive, and they're not really practical. If you're headed to the range to only shoot 100rnds, then it's handy to only have to load one mag, only take one mag, and never have to reload, but if you're going to be dumping lead, several 30rnd mags are much more practical.