• Singularity Full Nylon Shell
• T-Piece & Motor Housing
• Steel coloured cylinder (May be a different colour than pictured)
• Upgraded Nylon Special Gen3 Tappet
• Strong Return Spring Upgrade
• High Speed Steel Bearings
• Nylon Internals: Gears, piston, and trigger
• Strong upgraded 1.3 spring
• Green O-Ring air seal upgrade
• Original Jin Ming 460 Motor

Please note that if you need this for scar v2, please advise us as we will attach the scar v2 t-piece.