MP7 (T.Marui) CNC 6063 Aluminium Top Gas Loading Nozzle & Recoil Spring

This 6063 aluminum loading nozzle is manufactured by precision CNC machines and electroplating finishing.  The floating valve (i.e. jet nozzle) is made of 304 stainless steel.  This loading nozzle set is made for professional shooter and competition needs because it: 

1) improves smoothness of loading BB; 

2) increases shooting power (J) about 15%; 

3) strengthens construction and durability;

4) includes a 125% recoil spring for fast recoil and best performance.

5) suits for Top gas, and is not recommended for 134a gas.