Quote Originally Posted by izzy View Post
I've got one and think it's a ton of fun. Things get very dirty very fast if you're using a can. Not hard to install either, I'd recommend doing all the checks they mention in the manual when installing. I've only tried it with one upper, non SBR, it works great. I think it gets you as close as you can get to full auto without spending all the money.
Did you need any modifications to the host gun (extractor, buffer...)?