YouTube- MASS52 test obusier 52mm airsoft , paintball . airsoft howitzer test... en Trajectoire rectiligne
ventue--- more fast of this one if use sleeve for paper cap......this configuration permit use paper load or paper load in sleeve
Hpa Thank,co2 900lbs pressure and more

)))))This howitzer can take this pressure lol but check first shoot on video at 100lbs..... Im destroying the howitzer for this reason..... You not see in the video tank pipe 3 inch 1/8 thickness on video(under box) im use 35 welding rod for that....hight pressure welding.... This is prob---for security need steel tank but whit steel tank can take hight pressure...........