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Reloaders chasing consistent neck tension know that case necks can thicken up after repeated firings and sizing. The L.E. Wilson Inside Neck Reamer handles that by shaving material away from the inside of the case mouth, specifically the neck area, so your necks aren't fighting the chamber. This particular reamer is cut for .22 caliber brass with a finished inside diameter in the .2255 to .226 range, making it a good match for shooters prepping .22 Hornet and similar fired cases.
Thick necks can lead to high chamber pressures and erratic groups, which is exactly the problem this tool is built to solve. By removing the excess material, the reamer helps guarantee there's adequate clearance between the case neck and the chamber walls. It's also a handy piece when you're forming wildcat cartridges from a parent case, since reaming lets you clean up the neck after the forming process.
This reamer is designed to run inside the Wilson Case Trimmer. You simply pull the standard trimmer cutter and drop the reamer in its place, then seat your case in the appropriate case holder, lay it on the rails, and hold it with the clamping feature. If you already own a Wilson trimmer, this bolts right into your existing setup without any extra gear beyond the correct case holder.
The stock sizing on this reamer runs slightly larger than bullet diameter and is meant for as-fired, unsized brass. That's an important detail: feed it fired cases that haven't been run through a sizing die for best results. It's a favorite among precision folks for knocking out the dreaded doughnut that forms at the neck-shoulder junction, and users report it helps tighten up neck tension consistency, which tends to show up as better grouping downrange.
Like the rest of the L.E. Wilson lineup, this reamer is machined in the United States and built to the tight tolerances the brand is known for. It's a specialized tool, but if neck prep is part of your accuracy routine, it earns its spot in the drawer.
This reamer is designed to run in the Wilson Case Trimmer in place of the standard trimmer cutter. You'll also need the correct Wilson case holder to seat and clamp your brass on the rails. It isn't a standalone handheld tool, so a Wilson trimmer setup is the backbone of the operation.
Standard reamers like this one are sized for use on fired, unsized cases. The stock dimensions run slightly larger than bullet diameter and are meant for as-fired brass. Running it on brass that's already been through a sizing die isn't how it's intended to be used.
Yes, clearing out that doughnut buildup is one of the main reasons handloaders reach for this tool. It also helps with overly thick necks caused by repeated sizing and firing. Many precision reloaders find it improves neck tension consistency, which can translate to tighter groups.
That's the finished inside diameter the reamer cuts the case neck to, measured in inches. It's matched for .22 caliber brass and is a common choice for cartridges like the .22 Hornet. Just make sure your project calls for that specific finished dimension before you ream.
| UPC | 815145022981 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | INR-022 |
| Caliber/Gauge | .22 Caliber |
| Shipping Weight | 0.2 |
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