• Adjustable 3D Print Hop Up for JM Gen13 SJ M4 MK18-m416gelblaster-m416gelblaster
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m416gelblaster

Adjustable 3D Print Hop Up for JM Gen13 SJ M4 MK18

Adjustable 3D Print Hop Up for JM Gen13 SJ M4 MK18

$10.99 USD
$10.99 USD
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SJ M4 MK18 JM Gen13 Adjustable Hop Up

Good for jm gen13, sijun sj m4 and sj mk18 gel ball blasters.

Brand: DK

Material: 3d print

Length: 50mm

Outer dia: 13mm

Inner dia: 9.5mm

Package: 1x sj m4 cqb hopup

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