This aluminum loading nozzle is manufactured under CNC process. It suits M11A1 (KSC-Full Open System 7) and:

1) improves smoothness of loading BB;
2) increases shooting power (J) about 12%;
3) strengthens construction and durability;
4) includes a stainless steel enhanced valve;
5) includes 4 pieces of plastic magazine followers;
6) suits extreme high power gas, and may not shoots properly by 134a gas.