the advantage arms would be cheaper in the long run and would allow you to eventually save up a bit for the other.
personally I am more of a fan of the RONI carbine conversions over the mechtechs since they are hot swapable back and forth.
ignore my complete lack of capitalization. I still have no problem correcting your grammar.
I never said half the crap people said I did-Albert Einstein
You can't believe everything you read on the internet-Benjamin Franklin
Bean counters told me I couldn't fire a man for being in a wheelchair, did it anyway. Ramps are expensive.-Cave Johnson.