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Anyone who reloads for the 224 Valkyrie knows how fussy this cartridge can be about headspace, and that's exactly where the L.E. Wilson Case Gage earns its keep. It's a one-piece, non-adjustable steel cylinder cut to minimum SAAMI chamber dimensions, so you get a true reference point for both headspace and overall case length. Drop a fired or resized case in, run a straight edge or caliper across the top, and you can see at a glance whether your brass needs trimming or whether your sizing die is set where it should be.
The single most useful job this gage does is helping you set up your full-length sizing die without overworking the brass. Take a measurement on an as-fired case, resize it, then drop it back in the gage to see exactly how far you pushed the shoulder back. Sneaking up on a .001 to .002 shoulder bump keeps your headspace just under your chamber, which means more consistent ignition and brass that lasts a lot longer before it starts separating.
Oversizing is one of the most common reloading mistakes, and it's a quiet one because the rounds still chamber and fire. This tool catches it before it costs you a case head separation. The machined slots on top double as a quick go/no-go check for trim length, so one piece of steel handles both of the dimensions that matter most for feeding and safety in an AR-platform rifle.
L.E. Wilson has been turning out precision reloading gear for more than 80 years, and that reputation shows up in the fit and finish here. It's made in the USA, it doesn't rely on batteries or moving parts, and it'll outlast most of the other gear on your bench. For a cartridge as headspace-sensitive as the Valkyrie, this is cheap insurance against wasted components and a frustrating afternoon at the range.
It measures both headspace (datum to case head) and overall case length against minimum SAAMI chamber dimensions. Drop a case in and use a caliper or depth micrometer to read headspace, then look across the milled top of the gage to check trim length. One note: it does not measure case body diameters, so it's focused on length and shoulder position.
Start by gaging an as-fired case to get a baseline, then resize it and drop it back in to see how far the shoulder moved. Adjust your full-length die until you get roughly a .001 to .002 inch drop in headspace. That gives you a case sized just under your chamber for reliable chambering without overworking the brass.
No, this is a one-piece, non-adjustable fixed gage machined specifically for the 224 Valkyrie cartridge. That fixed design is actually a strength since there's nothing to drift or set wrong, giving you a consistent reference every time you use it.
It's especially worth having for AR-platform rifles, where proper headspace and reliable feeding matter a great deal. Keeping your sized brass to the correct dimensions helps ensure rounds chamber smoothly and reduces the risk of case head separation over repeated firings.
| UPC | 815145027221 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | CG-224V |
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