GHK Colt Licensed M4 GBB Series Forging Aluminum Upper & Lower Receiver Set ( Colt Licensed )
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Compatible with GHK M4 GBB series ( All Types )
Material : T6061 T6 Forged Aluminum Alloy
Hard anodized surface finishing
Licensed By COLT
Compatible with GHK M4 GBB series ( All Types )
Material : T6061 T6 Forged Aluminum Alloy
Hard anodized surface finishing
Licensed By COLT
- Vendor GHK
- SKU GHK-M4-KIT-07
Disclaimer: Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed.