Arsenal sgl-21, full slr rail, slr railed gas block, Zenitco vfg, MKM grip, Krebs custom peep and retaining plate, alg flat bow trigger, Rifle Dynamics stock adapter, bcm buffer tube and stock, a bunch of mags. This reciever is from Izmesh, the russian factory that makes their military AK's, where Mikhail Kalashnikov worked his entire.life. It is NOT a garage converted Saiga rifle, it was imported and built by one of the best builders in the world. We are no longer importing Russian guns, so this may be your last chance at a real Russian AK! 850-368-7806