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If you're feeding a Big 50 with surplus military brass, you already know those primer pockets come crimped from the factory and need to be opened back up before you can reseat a primer. The L.E. Wilson .50 BMG Primer Pocket Reamer handles exactly that job. It removes the crimp from military BMG cases and leaves a clean, rounded chamfer at the primer pocket edge so new primers slide in without a fight. Unlike swaging tools that press the metal, this one cuts, so you get the crimp gone without distorting the case head.
This reamer is built to run in the Wilson/Sinclair 50 Caliber Case Trimmer. It drops in where the trimmer cutter normally sits, so if you already own that trimmer, you've got the base you need. The precision ground flutes do the cutting, and the included crank-style handle lets you work by hand with good control. It's designed to clean up the crimp, not uniform the bottom of the pocket, so it does one job and does it cleanly.
Quality .50 BMG brass isn't cheap, which is why so many folks running the Big 50 pick up military cases to stretch their reloading dollar. The catch is that crimp. Without a tool like this, reseating primers on crimped surplus brass is frustrating at best. Users running this reamer report clean, consistent results, with one noting the pocket checked out perfectly against their go gauge. Some pair it with Wilson's power adapter to save their arm on big batches, though taking it slow into the pocket keeps everything smooth.
L.E. Wilson has been a family-run operation making precision reloading tools since 1927, and this reamer carries that reputation. It's machined in the United States and built to hold up to repeated use on that thick .50 BMG brass. For anyone processing surplus cases for the Big 50, it's a straightforward, no-nonsense tool that earns its spot on the bench.
It removes the military crimp from the primer pockets of .50 BMG cases so you can reseat fresh primers. Instead of swaging the metal, it cuts the crimp away and leaves a rounded chamfer at the pocket edge for easy primer entry. Because it cuts rather than presses, it won't distort the case head.
Yes. This reamer is designed to run in the Wilson/Sinclair 50 Caliber Case Trimmer, dropping in where the trimmer cutter normally sits. If you don't already own that trimmer, you'll want it to put this tool to work.
No. It's built specifically to remove the military crimp and leave a clean rounded entry for primers, not to uniform the depth or bottom of the pocket. It does the crimp-removal job cleanly without cutting all the way to the bottom of the pocket.
The reamer ships with a crank-style handle for manual operation, which works well for most reloaders. Some folks processing large batches add Wilson's power adapter to save their arm, just take it slow going into each pocket to keep the cut smooth.
| UPC | 815145022950 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | PPR-50C |
| Shipping Weight | 0.3 |
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