Lonex – Enhanced Cylinder Tuning Set for M4 Ventilated Piston Head

• Durable steel cylinders with grooves for improved heat dissipation
• Internal polishing reduces friction between the cylinder and cylinder head
• Precision CNC machined aluminum piston head and cylinder head
• Steel ball bearing piston head helps with smoother rotation of spring during compression
• Ventilation holes in the piston head greatly increase the speed the piston travels, resulting in faster cycling
• Size matched piston head improves air seal for optimal performance
• High quality CNC processed polycarbonate air nozzle with o-ring for better air seal