cjfield1129 Posted August 1, 2006 Report Share Posted August 1, 2006 I am using a CA M16 hop-up unit. I believe it is the old version due to the adjustment dials being black colored. I have been considering upgrading to a Systema hop up unit. Before I purchase, I wanted to get some advise to find out if the Systema was advantageous (airseal, accuracy, stability, etc) as its sale description purports it to be. Anyone care to post your experiences. Link to post Share on other sites
Lance Jackass Posted August 1, 2006 Report Share Posted August 1, 2006 No idea, but im fitting one anyway... I hear that the CA one just unwinds itself or something. Link to post Share on other sites
Pablo Posted August 1, 2006 Report Share Posted August 1, 2006 When I took my GR300L back to fix, they bunged in a better spring, metal bearings and - a Systema Hop-up rubber. I'd love to tell you it's better than the G&G one, but as the gun only ever fired about 40 rounds before it died, I don't know how the G&G performed. The Systema one works fine though. Link to post Share on other sites
EvOrAcEr Posted August 1, 2006 Report Share Posted August 1, 2006 Changing the rubbers on standard CA black dial hop units does nothing. They're rubbish, just unwind all the time amongst other things. Systema one will actually give you control over where youwant your bb's flying. Link to post Share on other sites
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