CowCow TM G17 Gen5 120% Hammer Spring Major Color_Purple Polycarbonate Piston Head with Thrust

Polycarbonate Piston Head with Thrust Bearing is renewed to be more effective

Powerful 330fps with HFC22 TOP GAS (HFC134a is not recommended)

* Toys Only ** Please be safe use of air guns and must be follow the local law requirement for all airsoft use

- Engrave " ESR 315 " Marking

CowCow TM G17 Gen5 120% Hammer Spring Major Color_Purple Polycarbonate Piston Head with ThrustTM G17 Gen5 120% Hammer Spring Made from High Strength Spring Steel Hard Coating Prevents Corrosion Enhances Blowback Kick For TM G17 Gen5 Item code: CCT TMG 069 * Toys Only * * Please be safe use of air guns and must be follow the local law requirement for all airsoft use. * *PS: Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper