Great improvement - Teslong 45in Flexible Rifle Borescope w/IPS Screen

I would give this a 5, however 22lr adapter works great but the 243 adapter would not fit. I called the manufacture and they were supposed to send me a email. No response. I don't want to send all of it back because everting ease works fine. At this point I fell like stuffing everything back in the box for a full refund and buying another one with the hopes the 243 adapter works.