Clip Ons Thermal Clip On Point Of Impact Test Posted on January 7, 2022January 8, 2022 by Ben Have you ever wondered if you can really just clip on a thermal attachment and have no POI (point of impact) shift? We test 3 of the leading thermal clip-ons in 2022, the Pulsar Krypton, InfiRay CH50 V2 and the HIKMICRO Thunder TH50C. Ben How to zero a thermal clip on