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If you're reloading 44-40 Winchester and want to stop guessing where your sizing die is set, this is the tool that answers it. The L.E. Wilson 44-40 Winchester Case Gage is a one-piece, precision machined steel gage that lets you check both headspace and overall case length against SAAMI minimum chamber dimensions. Drop a case in, take a reading, and you know exactly where you stand before you ever seat a bullet.
The gage reads two things that matter most for safe, consistent brass. On one end you check datum to head length, which tells you how much shoulder setback you're getting from your resizing die. The milled step on the other end shows you minimum and maximum trim length so you know when brass needs trimming. Worth noting up front: this gage checks the brass itself, not loaded cartridge overall length, and it does not measure body diameter.
The method L.E. Wilson recommends is simple. Measure a case in its as-fired condition and note the headspace reading, resize using your current die setting, then drop the sized case back in to see how far you pushed the shoulder. A caliper or case gage depth micrometer gives you an exact number, and from there you dial the die in for the shoulder setback you want. Flip it over, set the head on a flat surface, and lay a straightedge across the step to confirm your case length is within trim range.
L.E. Wilson has been a family run shop since 1927 and put out the very first case gage back in 1935, built after the founder helped a fellow shooter chase down a case separation problem. That history shows in the fit and finish. This is tool room quality that drops right into a reloading routine, made in the USA, and it pays for itself fast by keeping you from over-working and prematurely wearing out your 44-40 brass.
It checks two key dimensions on your brass: datum to head length for headspace and overall case length for trimming. The headspace reading shows how much shoulder setback your sizing die is producing, while the step on the other end tells you if a case needs trimmed. Keep in mind it does not measure body diameter or loaded cartridge overall length.
You can use it as a quick go/no-go visual check right out of the box, but pairing it with a caliper or a case gage depth micrometer gives you exact numbers. That lets you measure precisely how far the shoulder sits above or below the gage reference so you can fine tune your die. Most reloaders use a caliper for everyday checks.
Both, and in that order. Measure the case as-fired first and note the headspace, then resize and drop it back in to see how much shoulder setback you got. If a case reads over max headspace before sizing, you'll need to size it down before the length check will read accurately.
The 44-40 Winchester gage is a fixed, one-piece non-adjustable design, which is what you want for a rimmed cartridge like the 44-40. L.E. Wilson's adjustable style is reserved for belted magnum cases. This one is machined to the cartridge spec and ready to use the moment it arrives.
| UPC | 857949005746 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | CG-4440 |
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