APS-X Upgrade Hop Up Bucking - GHK (2 packs)

APS-X Upgrade Hop Up Bucking - GHK (2 packs)

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  • $39.00
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APS-X Upgrade Hop Up Bucking - GHK (2 packs)

- Fit for GHK Gas Blow Back (GBB) G5 / M4 series.

- Upgraded version.

- May need some?modify on the Hop-Up chamber when installing.