I just ahead one done by boses guns in Nebraska it was an excellent job and cost 160 including shipping. Highly recoend them. Might google them and check out their website
thats my guess, but i havent handled them. Here is the original thread where cj talks a guy through the kit and how it worked out. PVS-4 and ITT 4845 - AR15.Com Archive I managed to track down the seller from the photograph of the kit in the thread. This is his response
"The modification on...
Yes the bodies are the same. Cj talked a guy through modifying an pvs4 lens by machining the inboard lens retaining ring. The seller of the kit ( a different person) mentioned the pvs 4 had to b machined flush with the objective casing so I'm assuming, since I haven't seen either in person, that...
yea he sold three units including yours one was missing split rings and wont focus. one was good and then there is yours. bummer dude hope it works out for you.