Design for Marui G17 Series Airsoft Gas Blow Back Pistol. 3 different type of spring. Contacting with 1 Steel Ball Bearing. Replace the standard Hammer Set, Bearing and Spring of airsoft pistol.
Package included: Hammer Set 1 x Bearing 3 x Springs
Bearing Lenght : 8mm Spring Lenght : 15mm, 17mm, 25mm Material: Steel Major Color : Black Weight with Package: 21g Manufacturer : AIP
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