6.02 BARRELS MAPLE LEAF CRAZY JET INNER BARREL 410MM FOR GBB RIFLE RA-AGENT-ML-045-410 €50.90 Maple Leaf Crazy Jet barrels are hybrid pipes. They are precision brass barrels in which the muzzle is made of aluminum, with a low pressure system. The idea is to reduce the air turbulence that affects the BB at the muzzle of the barrel, to obtain better accuracy. Add to cart