Description
If you're trimming 375 Ruger or 300 PRC brass and want every case coming out the same length, this is the part doing the real work. The L.E. Wilson Standard Case Holder sized for the 375 Ruger case family seats your brass by the body taper instead of grabbing the case head, which lines the case up much like the chamber of a rifle. That reference surface is what gives you the consistency serious handloaders are after, and it's why Wilson has been building these the same way for decades.
How the 375 Ruger Case Holder Earns Its Keep
The holder supports the case against its own taper, so there's no flex or wobble pulling your trim length off. Drop it into any L.E. Wilson Case Trimmer and you've got a rig that returns to the same spot every time. Beyond length trimming, the same holder works for primer pocket reaming, neck reaming, and deburring when you pair it with Wilson's Uniform Deburring Tool, so it pulls double duty on the bench. Cases press in and out by hand, and a lot of folks keep a wooden dowel nearby to tap them free cleanly.
Worth knowing: this is the standard holder, meaning Wilson doesn't make a separate "new case" version for this family. Because of that, it handles new, fired neck-sized, and full-length resized brass all from the one holder. One part covers both the 375 Ruger and the 300 PRC, since they share the same case dimensions where it counts.
Built Like the Rest of the L.E. Wilson Lineup
It's machined from billet steel and finished with a proprietary preservative coating, so it shrugs off wear and should give you a lifetime of use on the bench. L.E. Wilson has been a family-run shop since 1927, making case holders and trimmers since 1936, and that track record shows in how these parts hold tolerance. Made in the U.S.A., it's a simple piece of gear that quietly makes your whole trimming process more accurate.
Key Specifications
- Manufacturer: L.E. Wilson
- Manufacturer Part Number: CH-375RUG
- UPC: 815145020680
- Cartridge Fit: 375 Ruger / 300 PRC
- Type: Standard Case Holder
- Compatibility: Any L.E. Wilson Case Trimmer
- Holds Case By: Body taper, not case head
- Works With: New, fired neck-sized, and full-length resized brass
- Material: Machined billet steel with protective coating
- Country of Origin: Made in the U.S.A.
- Shipping Weight: 0.3 lb
What’s Included
- L.E. Wilson 375 Ruger / 300 PRC Standard Case Holder (CH-375RUG)
Frequently Asked Questions
Does this case holder work for both 375 Ruger and 300 PRC?
Yes. The CH-375RUG is the single holder Wilson lists for both the 375 Ruger and the 300 PRC, since the two cases share the dimensions that matter for holding. It's the same part number for either cartridge.
Can the 375 Ruger case holder handle new brass as well as fired cases?
It can. Because Wilson doesn't make a separate new-case version for this family, the standard holder is designed to work with new, fired neck-sized, and full-length resized brass. One holder covers all of it.
What case trimmers does this holder fit?
It's made to be used with any model of the L.E. Wilson Case Trimmer. Drop the case into the holder, set it in your Wilson trimmer, and you're ready to trim with repeatable results.
Is the case holder only good for trimming?
Trimming is its main job, but the same holder also works for primer pocket reaming, neck reaming, and deburring when paired with Wilson's Uniform Deburring Tool. That tool is sold separately, so you'll want to grab one if you plan on those steps.




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