Madbull hop up rubber
Hi, i ordered 2 madbull 60 degres rubbers, from airsoftparts.
I bought them to upgrade my SRC G36k, but once i installed it, i tried it, and look like the rubber is too big.
Where there is a hole in the barrel, where the rubber touch the BB giving his back spin, it goes in too much.
When i fire my gun at lowest hop up setting, it shoots like its at the maximum of the hop up, and when i put it to the mximum setting it jam...
I noticed the little tube that push down rubber in the barrel is way bigger the original in my hop up.
Then i tried it on my CA P90, i tought this is happening beacause the rubber does not fit with the G36, but same thing, this rubber is too big for my guns.
When i replace back the old rubber, everything is normal. I though these rubbers were ``universal``
Does anyone knows why ?
Thanks
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