US$ 104.50
Gel Ball Size: 7-8 mm
including robust TPU
Package content: 1x jm gen8 or gen9 metal mag release
Material: Injection Molding Nylon + Metal
Made with waterproof
JM Gen8 Gen9 Gen10 Upgrade Gearbox Parts Type:for gen9 gen10 Gel Ball Size: 7-8 mmJinming Gen8 Gen9 Gen10 Upgrade Metal Replacement Accessories Kit for scar and jm gen8 m4a1 or jm gen9 gen10 gel blaster gearbox upgrade. j8 package includes: 1x 18: 1 metal gears. 1x piston with metal ladder. 1x steel cylinder. 1x high speed 460 motor 30000rpm. 1x 1. 2mm hardened spring 14cm. J9 J10 upgrade package includes: 1x 18: 1 metal gears 1x piston with metal ladder 1x steel cylinder 1x high speed 470 motor 45000rpm 1x 1. 2mm hardened spring
US$ 104.50
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