Description:
Upgrade your AEG's fps to 380 to 410fps with .20 gr BBs. It is highly recommended to upgrade any plastic bushings and plastic spring guides to metal bushings and a metal spring guide with this product. Also, it would be recommended to upgrade plastic pistons to polycarbonate pistons, plastic piston heads to duracon piston heads, and standard gears to reinforced steel gears. Also for best results a battery upgrade is also recommended.