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L.E. Wilson
The L.E. Wilson 300 Remington SAUM case gage is a precision measuring tool built for reloaders who want to dial in their ammunition safely and consistently. Whether you're setting up a full-length resizing die on your progressive or single-stage press, or verifying headspace on fired brass, this one-piece gage does the job without guesswork. It's the kind of tool that catches the small mistakes—like creeping case growth or excessive shoulder resizing—that eat into brass life and compromise chambering fit.
Reloading brass that's been oversized is one of the most common errors in the loading room, and it happens quietly: cases that measure fine at the bench fail to chamber, or worse, they chamber loose and create pressure spikes. A case gage paired with a caliper gives you hard numbers instead of hope. For the 300 Remington SAUM, this gage measures both overall length (to flag cases that need trimming) and datum-to-head length (to ensure your resizing dies aren't pushing the shoulder back too far). The result is ammunition that chambers reliably and brass that stays in rotation for years instead of getting pulled after a few reloads.
The gage is straightforward in design: a single-piece tool with a large end for the case body and a small end that guides you to the critical datum reference point. It's finished in silver with center knurling for a secure grip, and it arrives with instructions. This is a workhorse for handloaders who take their brass management seriously.
| Overall Length | 2.494" |
| Large End ID | 0.473" |
| Small End ID | 0.347" |
| Outside Diameter | 0.991" |
| Finish | Silver with center knurling |
| Contents | Gage and instructions |
A case gage lets you measure fired brass for overall length and headspace dimensions without relying on feel or assumption. You use it with a caliper to catch cases that have grown beyond safe limits, which tells you whether your resizing dies need adjustment or if trimming is needed.
Yes. The gage serves as a reference tool when adjusting 7/8"-14 press-type full-length dies. It helps you dial in the correct shoulder setback and detect cases that are being oversized, which is the leading cause of premature case failure and chambering problems.
Place the fired case into the gage and measure with a caliper from the head of the case to the appropriate point (overall length or the small end for datum reference), then compare to your established baseline to see if resizing or trimming is needed.
Yes. This gage is designed for the 300 Remington SAUM cartridge dimensions and is not interchangeable with other calibers.
L.E. Wilson
The L.E. Wilson 300 Remington SAUM case gage is a precision measuring tool built for reloaders who want to dial in their ammunition safely and consistently. Whether you're setting up a full-length resizing die on your progressive or single-stage press, or verifying headspace on fired brass, this one-piece gage does the job without guesswork. It's the kind of tool that catches the small mistakes—like creeping case growth or excessive shoulder resizing—that eat into brass life and compromise chambering fit.
Reloading brass that's been oversized is one of the most common errors in the loading room, and it happens quietly: cases that measure fine at the bench fail to chamber, or worse, they chamber loose and create pressure spikes. A case gage paired with a caliper gives you hard numbers instead of hope. For the 300 Remington SAUM, this gage measures both overall length (to flag cases that need trimming) and datum-to-head length (to ensure your resizing dies aren't pushing the shoulder back too far). The result is ammunition that chambers reliably and brass that stays in rotation for years instead of getting pulled after a few reloads.
The gage is straightforward in design: a single-piece tool with a large end for the case body and a small end that guides you to the critical datum reference point. It's finished in silver with center knurling for a secure grip, and it arrives with instructions. This is a workhorse for handloaders who take their brass management seriously.
| Overall Length | 2.494" |
| Large End ID | 0.473" |
| Small End ID | 0.347" |
| Outside Diameter | 0.991" |
| Finish | Silver with center knurling |
| Contents | Gage and instructions |
A case gage lets you measure fired brass for overall length and headspace dimensions without relying on feel or assumption. You use it with a caliper to catch cases that have grown beyond safe limits, which tells you whether your resizing dies need adjustment or if trimming is needed.
Yes. The gage serves as a reference tool when adjusting 7/8"-14 press-type full-length dies. It helps you dial in the correct shoulder setback and detect cases that are being oversized, which is the leading cause of premature case failure and chambering problems.
Place the fired case into the gage and measure with a caliper from the head of the case to the appropriate point (overall length or the small end for datum reference), then compare to your established baseline to see if resizing or trimming is needed.
Yes. This gage is designed for the 300 Remington SAUM cartridge dimensions and is not interchangeable with other calibers.
