The Guns Modify hop-up unit made from zinc alloy is a high-quality upgrade that offers improved performance compared to the original part. The set is designed to allow more precise hop-up adjustment and to reinforce any potential weaknesses found in the original component.
Compatibility: Tokyo Marui M4 MWS GBBR
Package Includes:
Guns Modify zinc alloy hop-up base
Hop-up adjustment set
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