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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
bolt release
binary trigger function
Highly durable and sturdy airsoft mask
000pcs 7-8mm green gel balls
JM Gen8 Gearbox — Full Nylon Replacement for JinMing M4A1, SCAR, UMP45 & More Type:old (full auto) bolt releaseThis is the famous Jinming Gen 8 Gearbox, it's full nylon made, reliable and durable. This is superior to the old one with metal bushings and nylon gears. But most importantly a harden nylon shell. Compatible with JinMing SCAR JM Gen8 M4a1 HLF UMP45 JM MP5 JM Gen13 XM316 blg m16 ZH m249 and other gel blasters using gen8 gearbox. Features: Full Nylon Construction Hardened nylon shell, gears, trigger, T piece and motor housing for superior durability
US$ 34.95
US$ 11.99
US$ 99.95
US$ 42.99
US$ 19.99
