This is an old STAR (now ARES) all plastic (except gearbox shell) SAW M259. They came with plastic gearbox shells, this metal one cost me $100. Probably can't find them anymore. Great for someone who wants a LIGHTWEIGHT SAW and can get it to work right. The gearbox cycles and bbs come out the barrel, but the fps is way low for the spring that is in it, so it has a loss of air seal somewhere. Also no box mag comes with it, otherwise you get what is pictured. I used to sell on Ebay as airsoftjunkyarf so you can check out my good feedback rating there, but you can't buy anything from me on Ebay cause they permanently banned me and I have never figured out why. Also check my rep on the New Jersey airsoft forum and Facebook page.