-Ra tech steel bolt carrier -npas adjustable fps -noveske 9inch keymod Rail -noveske inner barrel -shortsroked buffer -steel selector switch, nozzle guides, pins, and hop unit. -extended charging handle latch Krytac flash hider $350 with 3 extra mags (one needs 5$ feed lip) Short stroke works fantastic with this gun kicks like crazy and has an awesome rate of fire. It also shoots lasers with .2s!! Awesome gun can provide shooting video upon request just ask! Shoot me some offers looking to sell quick! Worth a lot more than I’m selling for! Add 20 for shipping PayPal ready