On Amazon I found a great deal for an A5 with Egrip, 16' Smart Parts barrel, and a stock for only $270, which is something like $120 cheaper than buying all of them together. The thing is, I would perfer to have a response trigger, but the total cost of JUST an A5 with a response trigger, minus the barrel and extra stuff the other comes with, is $250.
Once you get playing, you'll find that the stock barrel sucks, and you're going to end up buying the SP anyway. If you don't need the stock, just sell it on eBay or to one of your other players.
The E-grip has multiple firing modes, and you might find one you like more than the R/T. Almost every review I've read from users who have had both say that they'd never go back to the R/T.
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