bigdawgbeav Posted May 25, 2019 Share Posted May 25, 2019 This may have been addressed, but if I take my 510c off the rail will I need to rezero it if I put it back on? Didn't know how well they held zero if unmounted and remounted. Sent from my Nexus 5X using Tapatalk Link to comment Share on other sites More sharing options...
FatPanda Posted May 26, 2019 Share Posted May 26, 2019 Mine has held up well. You might want to double check yours to build a little faith in the mount. Make sure you mount it on the same place pushed forward etc etc. Link to comment Share on other sites More sharing options...
egd5 Posted May 26, 2019 Share Posted May 26, 2019 I just shot a steel challenge match yesterday with a 16 yr old who is a GM. He used a quick detach mount to take off his optic and turn the same rifle into iron sight so he shot it in both divisions. Sure didn't affect his accuracy. Smoked us all. Link to comment Share on other sites More sharing options...
bigdawgbeav Posted May 27, 2019 Author Share Posted May 27, 2019 I just shot a steel challenge match yesterday with a 16 yr old who is a GM. He used a quick detach mount to take off his optic and turn the same rifle into iron sight so he shot it in both divisions. Sure didn't affect his accuracy. Smoked us all.That's kind of what I was looking for. To be able to shoot 2 divisions, same gun, same session. Guess I'll have to test a little to be sure.Sent from my Nexus 5X using Tapatalk Link to comment Share on other sites More sharing options...
FatPanda Posted May 27, 2019 Share Posted May 27, 2019 16 minutes ago, bigdawgbeav said: That's kind of what I was looking for. To be able to shoot 2 divisions, same gun, same session. Guess I'll have to test a little to be sure. Sent from my Nexus 5X using Tapatalk They’re RMR footprint so get a scalarworks or LaRue or adm mount that has a great return to zero and you’ll be fine Link to comment Share on other sites More sharing options...
Aircooled6racer Posted May 27, 2019 Share Posted May 27, 2019 Hello: The 510C is not a RMR footprint it is the 507C that has a RMR footprint. I have not had any problem removing the 510C and reinstalling it without zeroing it since I put it on in the same spot. That is on a 22 and also my PCC's. Thanks, Eric Link to comment Share on other sites More sharing options...
FatPanda Posted May 28, 2019 Share Posted May 28, 2019 7 hours ago, Aircooled6racer said: Hello: The 510C is not a RMR footprint it is the 507C that has a RMR footprint. I have not had any problem removing the 510C and reinstalling it without zeroing it since I put it on in the same spot. That is on a 22 and also my PCC's. Thanks, Eric Copy you. Thanks for the correction. Link to comment Share on other sites More sharing options...
CWOUSMC Posted May 29, 2019 Share Posted May 29, 2019 The only issue I have ever had with a Holosun is the long Torx screw that tightens the mount onto the rail. The threads are very soft and will not hold up to aggressive tightening. I found a US made replacement fastener at ACE Hardware and it solves the problem. As far as returning to zero; mine is mounted on a High Standard Tournament Trophy .22LR using a LSP rail. As long as it is reinstalled in the same notch and pushed forward it returns to zero fine( at 25m it will return to zero with less than 5/16" variance using Wolf Match Extra) My Holosun is a 4038 which of course has a different footprint/mount. I have found that the fasteners on anything from China seem to be sub-par and soft. Apologies if this is slightly off topic. Link to comment Share on other sites More sharing options...
bigdawgbeav Posted June 2, 2019 Author Share Posted June 2, 2019 So just ran an experiment at the range. 5 shots with dot, remove, 5 shots irons, dot remounted in same spot, 5 more shots, repeat... Dot did not lose zero. Feeling confident for this weekend's steel challenge using same gun for pcco and pcci.Sent from my Nexus 5X using Tapatalk Link to comment Share on other sites More sharing options...
QuickDrawMcGraw Posted July 2, 2019 Share Posted July 2, 2019 Mine has always stayed very close to zero after being removed Link to comment Share on other sites More sharing options...
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