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If you reload .270 Winchester, this little steel cylinder earns its keep in a hurry. The L.E. Wilson 270 Winchester Case Gage is a one-piece, non-adjustable gage machined to SAAMI minimum and maximum dimensions, so you can drop a case in and immediately see where your brass stands. It checks overall case length to tell you when trimming is due, and it reads datum-to-head length so you can set correct headspace and keep from over-sizing your cases. That second part is where a lot of handloaders go wrong, and it's exactly what this tool helps you dial in.
The real value shows up when you're setting up a full-length sizing die. Measure a fired case in as-fired condition, then slowly adjust your die until you've bumped the shoulder back just the right amount. Too much shoulder set-back shortens case life and can lead to case-head separation down the road. With this gage and a set of calipers, you can see precisely how far you're moving that shoulder instead of guessing. Drop a case in flush and read the step surfaces on the base.
L.E. Wilson has been building precision reloading tools since 1927, and the Cartridge Case Gage design dates back to 1935. It was created to solve a case-separation problem, and the idea has barely needed changing since. The machining is clean, the reads are repeatable, and reloaders consistently call it an easy, accurate way to spot cases that need trimming. One thing worth knowing: this gage does not measure body diameters, and it's meant to be used with fired cases as your baseline for sizing and trimming.
For bolt-gun shooters chasing consistency or anyone loading .270 Win on a budget of components, this is the kind of tool that pays for itself in better brass life and fewer surprises. Simple, made in the USA, and built to outlast the rifle you're loading for.
It checks overall case length so you know when to trim, and it measures datum-to-head length to confirm headspace and prevent over-sizing. Drop a fired or resized .270 Win case into the gage and read the step surfaces on the base. It does not measure case body diameters.
For a quick go/no-go check on length and headspace, you can read the case against the gage's machined steps by feel and eye. To get an exact measurement of how far you're bumping the shoulder when setting up a sizing die, pairing the gage with a caliper gives you precise numbers. Most reloaders keep both on the bench.
This is a one-piece, non-adjustable gage machined specifically for .270 Winchester. Wilson offers separate cartridge-specific gages for other rimless cases, and an adjustable version exists for belted magnums. For straight .270 Win brass, the CG-270W is the correct fixed gage.
It works with both, but the most useful starting point is measuring a case in as-fired condition. That gives you a baseline, then you can slowly dial in your full-length sizing die until the shoulder is bumped back just the right amount. This helps extend case life and avoid over-sizing.
| UPC | 857949005043 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | CG-270W |
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