Thread: Using comparator tool when seating projectiles.

If you're interested in doing it, very accurately, look at the Alex Wheeler method.
https://www.wheeleraccuracy.com/videos
Look at his video "Finding your lands".

Anyone else who has published this method stole it from Alex.

It's useful to establish your contact distance with the lands when the barrel is new and then to monitor the wear advancement over a period of time.

Well that was bloody interesting. Had to remove extractor off bolt, which was a bit of a pain using rod to extract. Dies set up correctly now. I've been using the jam method, Cortana's, to find lands. Bloody miles out, even backed off 20 thou and more still well into the lands. I think someone mentioned a rabbit hole, I need a torch.