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Home>Gel Blaster Upgrades>Hop Ups>MST STS AK74u Hop Up
MST STS AK74u Hop Up

MST STS AK74u Hop Up

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US$ 10.99

STS MST AK74u Adjustable Hop Up

Compatible with mst/sts ak74u  ak105 akm74 aks74, sijun m4 cqb gel blaster toy guns

Material: 3d print PLA

Length: 40mm

Inner diameter: 9.5mm

Outer diameter: 13mm

Recommend using milky white gel balls with size below 7.2mm

Package: 1x hop up with screws and wrench

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