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This hop-up is suitable for the M4SS Gel Blaster. It will increase the accuracy and distance of the gel ball.
Please watch our video on youtube about how a hopup works and how to tune it in.
See pictures for how the hopup sits into your'e M4SS Gel Blaster Barrel.
Free shipping for all orders over $40
For more information on our shipping policy, please click on the following link.
Gel blasters are toys only and are NOT weapons or firearms.
Always use the appropriate eye wear and take all reasonable safety precautions when using our products.