*Madbull Noveske NSR 11" Keymod Rail System for M4 / M16 Airsoft AEG Rifles *Valken Airsoft V12 Engine Electro-Pneumatic Gearbox Kit - Ver.2 *Alloy Series MK III Full Metal M4 Airsoft AEG Rifle by Valken lower *Madbull Airsoft Gemtech Trinity Barrel Extension - (14mm - / Black) *7.4v lipo battery