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If you're reloading straight-walled 45-70 Government brass, keeping your cases trimmed to the right length is one of those small steps that makes a big difference in feeding, chambering, and consistency. This L.E. Wilson Case Length Gage gives you a fast, repeatable way to check whether your brass falls inside the safe min and max window without fussing over caliper readings. It's a one-piece, non-adjustable cylinder-type gage machined for the 45-70 case, and it's built the way Wilson has been building reloading tools since the 1930s.
Using it is about as simple as reloading tools get. You slide the gage over the case with the milled grooves facing up, set the whole thing on a flat surface, and run a straight edge across the top. If the case mouth sits between the two steps, you're good to go. If it rides above the max step, that case needs a trim. If it doesn't reach the straight edge at all, it's under minimum. Keep in mind the head of the case and the end of the gage should both be resting on the same flat surface for an accurate read, so don't try to eyeball it in your hand.
Wilson is a family-run shop out of Cashmere, Washington, and they've earned a strong reputation for tools machined to tight tolerances. This gage is made in the USA from polished steel, so it holds its dimensions and shrugs off years of bench use. It's worth noting this is a case length gage only, meaning it checks trim length for your straight-walled brass. It won't measure body diameters, so if you're after that you'd want a separate pistol max or minimum dimension gage.
For anyone loading 45-70 for a Trapdoor, a Marlin lever gun, or a single-shot, staying on top of case length keeps your rounds chambering smoothly and your brass lasting longer. This is one of those buy-it-once tools that earns its spot in the loading room and keeps working season after season.
Slide the gage over your sized case with the milled grooves facing up, then set it on a flat surface so the case head and the end of the gage rest on the same plane. Run a straight edge across the top and check where the case mouth falls. If it sits between the two steps you're within spec, if it rides above the max step it needs trimming, and if it doesn't touch the straight edge it's under minimum length.
No, this is strictly a case length gage for checking min and max trim length on straight-walled 45-70 brass. It does not measure body diameters. If you need to check case diameter, Wilson makes a separate pistol max gage or minimum dimension gage for that job.
It's designed for straight-walled cases with no shoulder and no taper, which is exactly what the 45-70 Government is. Checking trim length matters for these cases since brass grows with repeated firing and sizing. Staying within the min/max window helps your rounds chamber cleanly and extends the life of your brass.
No, it's a one-piece, non-adjustable cylinder-type gage machined specifically for the 45-70 Government cartridge. That fixed design is what makes it so consistent, since there's nothing to slip out of calibration. It's a simple go/no-go style check that gives you a repeatable reading every time.
| UPC | 815145022325 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | CLG-4570 |
| Shipping Weight | 0.2 |
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