awsome. i put this in a my echo 1 m28 and with .4s i can hit targets at 170 feet easy. it helped the spin a heck of a lot. it used to have a up and right spin now its right down the middle. the only other things im going to do is upgrade spring spring guide, piston and sear.
$200 bucks for $1000 dollar results
looks cool even thought its enternal
makes sniping to easy. ;)
and now i'm filling up my minimal amount characters
Rating: [5 of 5 Stars!]