Pro Arms Steel Lower Frame Pin Set for Umarex G17 Gen3 /Gen4, G19 Gen4, G18C Category_Cylinder & Piston Replace the original part

Replace the original part

while addressing and resolving its weaknesses

Fits for MARUI/KJ G-Series Gas BlowBack Series

HFC22 Gas Power (Muzzle Velocity) 360 fps (Top Gas @ 25°C Room Temperature)

The waterproof function is perfect

Pro Arms Steel Lower Frame Pin Set for Umarex G17 Gen3 /Gen4, G19 Gen4, G18C Category_Cylinder & Piston Replace the original partFit for Umarex G17 Gen3 Gen4, G19 Gen4, G18C Material: Steel Color: Black Come with 3 pins Item code: PA VFC G 056 * Toys only, please be safe use of air guns and must be follow the local law requirement for all airsoft use. * * 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 installation fitting. Fitting may be needed as the