Tokyo Marui G3 with rails kit and a metal receiver. Shooting around 410 with .20 was a friends gun has some upgrades it it but he couldn’t remember. Anyway include 2 high caps. Is missing butt plate and wired to large type. Has a pvc pipe in the front gas block where the charging handle comes to rest. Yes the H&K slap still works don’t worry! Really don’t know much about it but happy to answer any questions to the best of my ability! can meet at Ultimate battle grounds or ground zero ABSOLUTELY NO TRADES