Since the hex-style comparators don’t attach to your caliper, it frees up that tool for other uses.
![]() |
The holes in the hex comparator are cut with throating reamers to accurately duplicate the actual throat of a rifle, enabling precise measurement of major bullet diameter to case head. Stainless steel. Two models cover diameters up to .338. $19. www.SinclairIntl.com

© 2013 InterMedia Outdoors