mpmo Posted November 8, 2022 Share Posted November 8, 2022 I've got a Holosun 510c that stopped holding zero after about a 6 months of use on a .556 AK with side mount. It would consistently shoot lower over time. I am assuming I just got a bad unit because I have not yet experienced the same issues on any of my other platforms. I've got one on my JP5 and my 7.62 AK. Has anyone had this same experience? Did using a mount like the ADM help the issue? THanks! Link to comment Share on other sites More sharing options...
mrvip27 Posted November 8, 2022 Share Posted November 8, 2022 3 hours ago, mpmo said: I've got a Holosun 510c that stopped holding zero after about a 6 months of use on a .556 AK with side mount. It would consistently shoot lower over time. I am assuming I just got a bad unit because I have not yet experienced the same issues on any of my other platforms. I've got one on my JP5 and my 7.62 AK. Has anyone had this same experience? Did using a mount like the ADM help the issue? THanks! Have the adjustments moved? Have you witness marked them? Or are the adjustments holding and its losing zero still? Link to comment Share on other sites More sharing options...
mpmo Posted November 9, 2022 Author Share Posted November 9, 2022 19 hours ago, mrvip27 said: Have the adjustments moved? Have you witness marked them? Or are the adjustments holding and its losing zero still? I do not witness mark so I'm not sure. Link to comment Share on other sites More sharing options...
VeilAndrew Posted November 9, 2022 Share Posted November 9, 2022 Loctite it down and witness mark with a thin pen. You should be doing this for the entire mounting system (ex: side mount, gas tube mount, dust cover rail, optic screws, etc.) Right now, I don't think you have enough information to know what's at fault. Link to comment Share on other sites More sharing options...
mrvip27 Posted November 10, 2022 Share Posted November 10, 2022 3 hours ago, VeilAndrew said: Loctite it down and witness mark with a thin pen. You should be doing this for the entire mounting system (ex: side mount, gas tube mount, dust cover rail, optic screws, etc.) Right now, I don't think you have enough information to know what's at fault. Agreed Link to comment Share on other sites More sharing options...
mpmo Posted November 11, 2022 Author Share Posted November 11, 2022 Ok. That all makes sense. Appreciate it! Link to comment Share on other sites More sharing options...
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