Cyma / Jund JD100 M4 CQB Inner Barrel Cleaning, Replacement / Upgrade Fitting

Marumi na ba ang inner barrel ng inyong Cyma / Jund JD100 M4 CQB o gusto mo bang mag upgrade ng inner barrel? Eto na ang guide na para maka tulong sayo. Parts details and links to follow po.

Stock Inner Barrel:
Outer Diameter: 9.3mm
Inner Diameter: 7.5mm
Length: Around 280mm

Copper Inner Barrel:
Outer Diameter: 9.5mm
Inner Diameter: 7.5mm
Length: 300mm

Equipment Used:
115-in-1 Screw Driver Set - https://shopee.ph/Mini-Screwdriver-Bi...

Cyma / Jund JD100 M4 CQB T-Piece - https://shopee.ph/For-JM-Gen.-8-9-10-...

Pipe Cutter - https://shopee.ph/Ingco-HPC0232-Indus...

Digital Caliper - https://shopee.ph/LCD-Electronic-Vern...

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