There are choices to be made when looking for the Noveske N4 gas blowback rifle. Evike Europe helps you make that choice as they make a comparison of the versions from APS, CYMA, and Double Eagle... "The Noveske N4 is currently one of the most popular AR-15 amongst airsofters, especially those who are looking to build a current-era DEVGRU kit.
Thanks to EMG, a Noveske licensed AEG manufactured by APS quickly hit the market, and more recently, GBBs became to hit the market as well.