Recommended for use in XM177/CAR-15 replicas, Lonex's Reinforced Cylinder with POM Piston Head Set is the ultimate choice for airsoft players and service technicians seeking power and durability enhancement. Crafted with the highest-quality materials and expertly assembled, these components provide exceptional longevity and guarantee top-notch performance. The set includes a steel cylinder, an air-sealed nozzle, an aluminum cylinder head, and a ventilated, ball bearing POM piston head, all weighing in at just 80g.