Witch hop up rubber is the best?
Hello, i want to change the hop up rubber on my rifle and i was wondering witch type is the best that i can buy? i herd that the Firefly are the best above the systema ones but i see that thei are tow types soft for below 1j and hard above 1j. I just want to buy the best that i can, my gun is a JG G3 SG1 and it is shooting around 350 fps whit a long barrel. Can you help me whit this info? Thanks
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