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the custom products 22 rimfire accuracy gauge has proven exceptionally useful for sorting ordinary quality ammunition into lots which will shoot as well as or better than some match ammunition. the gauge is designed to sort 22 rimfire ammo into lots which are alike in rim thickness and therefore alike in headspace.
Feb 19, 2017 · I have a Neil Jones rim thickness gauge for sorting cartridges into lots by their rim thickness. This gives uniform headspace PER SORTED LOT. Sorted lots in turn group better than unsorted ammo, even match ammo. Does anyone else use this device or something similar? Eric B.
Jul 30, 2018 · Bullseye shooters would also use a rim thickness gauge to sort all of their ammunition before a match and cull out the cartridges that were considerably outside the average. A sliding gauge made by Neil Jones was popular back in the day but I haven't seen one in years.
Apr 1, 2022 · There was a full-length article about measuring rim thickness of .22 LR ammo in an old GUN DIGEST (fifteen or so years ago) using a Neil Jones gauge. I don't remember the details, but it seemed like there was some benefit with the cheap ammo, little or no benefit with good ammo.
May 21, 2019 · I have talked to shooters that sort cartridges and I've used the gauges (not my own). Here's the bottom line - Back when you could buy a Neil Jones rim thickness gauge for about $30, you could use it to sort through cheaper bulk ammunition and eliminate some of the inconsistent rounds.
Mar 8, 2000 · The Firing Line Forums > The Skunkworks > Gear and Accessories: Rimfire rim thickness guage?
Dec 14, 2020 · Been measuring 22lr & 17 HMR rim thickness with the Hornady gauge. All well and good until I noticed that a.040” rim measures .041” or .042” when turned...
