Question on Hop-up rubber....angle?
Looking to rebuild the hop-up on my GHK AKM, and am shopping for parts. Looking at whats available out there now(the gun uses AEG barrel and hop-up), I noticed that there are certain brands that sell their hopup with different angle? For example the A+ rubber has 60, 70, 80 degree angle for AEGs. What exactly is that angle of and how does it affect its function? Looking for some enlightenment here...
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