13CI compressed air tank with 950PSI regulator, Air supply adapter with on/off and degasing function, nozzle plate, adjustable aiming device with folding leaf calibrated for the current model of HPA ballistics, and specially designed CNC made butt-stock. TAG-ML36 launcher equipped with this HPA kit will provide you with excellent accuracy in any weather and temperature between -20C' and +40C' with perfect consistency for 40 shots per tank fill.