Teslong NTG500 / H Digital Borescope First Use Video Manual

[@adrianbuckley8922]

I just received my rigid borescope but the ringlight doesn't work???? All instructions followed correctly? Any advice please

[@teslongusa]

If you are still having issues with your borescope, please contact our customer service department - 877.899.8809 or [e-mail] - and they can troubleshoot the problem or get you a replacement asap.

[@roberthancock7055]

will this fit a 204 Ruger barrel?

[@teslongusa]

I wouldn't recommend it. In theory it should because our probes usually measure about 0.196 dia., however because of tolerance stack up over the length of the barrel and the potential for there being carbon or lead build up in the barrel, I don't recommend it. The fit will be tight and it will get tighter the farther you go, the last thing we want is for it to get stuck in there. We do have a 0.15" (3.9mm) probe that will fit, but it does not have the side-view option, at least yet - so it will only look forward. We are working on that for all the 0.17 and 0.20 caliber fans out there, but it isn't ready yet.