The Forster Hand-Held Outside Neck Turner provides extreme accuracy through consistent wall thickness around the case neck. This durable, smooth-cutting, carbide neck thickness cutter is precision ground with special angles for precise neck turning. The unique cutter approach angles allow turning up to the case shoulder for superior handload performance. The turner is easily adjusted to a.0005 of an inch in either direction with a marked micrometer adjustment knob. For cases upto .592" at base,
If you are trying to get that last little bit of accuracy out of your rifle this neck turner will help you to even out your neck tension and get consistent let off from your rifle...
I found the neck trimmer to be very consistent and it does it's job very well. I bought a Lee shell holder and I place the case in a drill press to do my trimming. I haven't had a chance to test the ammunition to see if it made a difference.