Laylax M4 MWS GBBR Aluminum Hop Arm
- Reinforced Hop Arm.
- Achieves a stronger hop than the stock hop up.
- Caution is required with use, if you apply too much hop it may cause your rifle to jam.
- Compatible with Tokyo Marui M4 MWS series.
- Red in colour.
If your hop-up adjustment is not having a big effect on the hop-up of your BBs, then it probably means that your hop-up packing is worn down and i...View full details
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