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[5KU] Rear Adjustment Hop-Up Chamber[For WA M4 GBB Series]
SKU: AA#00351
Factory Code:
[5KU][GB-121] Rear Adjustment Hop-Up Chamber[For WA M4 GBB Series]
Description:
- 5KU Hop Up Chamber Unit.
- Rear adjustment.
- Full metal construction.
- For WA/G&P WOC M4 series airsoft GBB rifle with AEG type barrel.
- Replace Western Arms M4 series gas blow back rifle original Hop Up unit.
- Accomplish to use with AEG type inner barrel.
- As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.
- 5KU model no.: GB-121
- Weight: 28g
- Compatiblity: WA M4 Gas Blowback GBB Series
- Built Material - Full metal construction
- Ā Hop-Up Chamber x 1set
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