Accuracy fixed.

[brian y]

I spun by hand with the upper verticle with wheeler 320 grit lapping compound. I bought my lapping tool here

http://pacifictoolandgauge.com/ar-tools/...results=13

That is the lapping tool I bought and I have 2 Aero uppers I picked up last year and this lapping tool jams when I tried to use it. It will only go in about 1-2 " and then sticks . I tried using it with slip 2000 but it will not go in and it will not turn even using a drill!!. I do not know what I am doing wrong so any help would be appreciated.