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If you're loading precision 6.5 PRC, the L.E. Wilson Case Gage is one of those small bench tools that earns its keep fast. It's a one-piece, non-adjustable gage machined to SAAMI dimensions that lets you check overall case length and datum-to-head length on your brass. Drop a case in, compare it against the milled reference surfaces on each end, and you'll know whether your cases need trimming and exactly how much shoulder bump you're putting on during resizing.
L.E. Wilson has been building reloading tools since 1927, and the company actually invented the cartridge case gage back in 1935 after the founder helped a fellow reloader chase down a case-separation problem. That history matters because the design hasn't needed much changing. The biggest reason to reach for it is setting up your full-length sizing die. Over-sizing brass is one of the most common reloading mistakes, and it quietly shortens case life while messing with your chamber fit. This gage shows you precisely how far back you're pushing the shoulder so you can bump just enough and no more.
The method is simple. Measure a fired case in the gage first to get your baseline, then size a case and check it again. Pair it with a caliper or the matching Wilson depth micrometer and you can read headspace numbers down to the thousandth. The steel body has a knurled center section for grip, a large end and a small end for the two different reference measurements, and it reads both minimum and maximum limits.
This is built for bolt-action and precision loaders who care about consistency round to round. Worth noting, the gage checks length and headspace only. It does not measure case body diameters. Used the way it's meant to be, with fired brass as your starting point, it takes the guesswork out of full-length sizing and keeps your 6.5 PRC cases living longer and shooting straighter.
It checks two things: overall case length to tell you when trimming is needed, and datum-to-head length so you can set correct headspace and avoid over-sizing. You drop a case in and compare it against the milled surfaces on each end. Keep in mind it does not measure case body diameters.
You can get a quick visual pass or fail by eye, but for real numbers you'll want a caliper or the L.E. Wilson case gage depth micrometer. Measuring a fired case first gives you a baseline, then you measure again after sizing to see exactly how much shoulder bump you're applying. That's the whole point of using it for die setup.
No, the 6.5 PRC model is the regular one-piece, non-adjustable style since the 6.5 PRC is a rimless case. L.E. Wilson makes an adjustable version with a floating insert specifically for belted magnum cartridges. The 6.5 PRC does not need that feature.
Fired brass has expanded to fit your chamber, so it gives you an accurate as-fired baseline before you resize. From there you can size just enough to bump the shoulder back the right amount instead of over-working the brass. This approach keeps your cases in service longer and helps prevent case separation.
| UPC | 815145027320 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | CG-65PRC |
| Shipping Weight | 0.37 |
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