simonl Posted October 17, 2015 Report Share Posted October 17, 2015 There are quite a few 3.9mm borescopes appearing on eBay for £80-£200. Has anyone tried one? Link to comment Share on other sites More sharing options...
marty Posted October 18, 2015 Report Share Posted October 18, 2015 yes I've got one , it does what I want it to , the image isn't super crisp but it shows up dirt and coppering and on one old rifle throat erosion , the rifle still shoots ok though. Link to comment Share on other sites More sharing options...
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