Highly upgraded S&T M40A3 bolt action sniper rifle. Shoots better than my ssg24 when hop up is dialed. Shoots 385fps with 0.4g bb. Parts included: R-hoped and lapped ZCI 455mm barrel Modify hard flatbhop bucking Two Modify flat hop nub combined Ported hop up chamber window Custom worked hop up chamber Action army vsr10 90 degree piston Action army m150 spring Action army vsr spring guide Three mags Scope not included. Shipping cost extra.