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L.E. Wilson
The L.E. Wilson 221 Remington Fireball case gage is a single-piece measuring tool built to solve one of reloading's most common problems: brass that's been resized too much. Whether you're working up handloads for a custom varmint rifle or precision benchrest loads, this gage lets you catch oversizing before it ruins cases or creates dangerous pressure spikes. It's the kind of simple tool that pays for itself the first time it stops you from ruining a batch of brass—and keeps your die setup dialed in tight.
The gage works with a caliper to measure both overall case length and datum-to-head distance on fired 221 Remington Fireball brass. Overall length tells you when trimming is needed; datum line measurement ensures your headspace is correct before you resize again. This two-point check is the standard method for setting up 7/8"-14 full-length resizing dies without guesswork. For handloaders serious about case life and load consistency, running cases through the gage regularly is non-negotiable.
The gage comes as a one-piece tool with a knurled grip, sized to fit the specific shoulder and head dimensions of 221 Remington Fireball cartridges. It's the kind of item that belongs in every serious reloader's toolkit—small, durable, and worth its weight in saved brass and better loads.
| Overall Length | 2.494" |
| Large End ID | .473" |
| Small End ID | .347" |
| Outer Diameter | .991" |
| Finish | Silver with knurled middle section |
| Included | Gage and instructions |
Insert a fired case into the gage until it seats naturally. Using a caliper, measure the datum line (the point where the gage shoulder contacts the case shoulder) to the case head. This measurement tells you the headspace of that fired round. Compare this to your target to determine how much resizing is needed.
As brass is fired and resized repeatedly, it grows in overall length. The gage's OAL reference tells you when cases need trimming to safe, consistent lengths. Regular OAL checks prevent pressure issues and ensure uniform cartridge performance.
The package includes the gage itself and instructions. You'll need a caliper to take measurements—the gage is a go/no-go reference tool, not a measuring instrument.
This is a standard style gage for the 221 Remington Fireball, which is not a belted case. L.E. Wilson makes an adjustable style for belted magnum cartridges that allows for the belt's support during resizing.
L.E. Wilson
The L.E. Wilson 221 Remington Fireball case gage is a single-piece measuring tool built to solve one of reloading's most common problems: brass that's been resized too much. Whether you're working up handloads for a custom varmint rifle or precision benchrest loads, this gage lets you catch oversizing before it ruins cases or creates dangerous pressure spikes. It's the kind of simple tool that pays for itself the first time it stops you from ruining a batch of brass—and keeps your die setup dialed in tight.
The gage works with a caliper to measure both overall case length and datum-to-head distance on fired 221 Remington Fireball brass. Overall length tells you when trimming is needed; datum line measurement ensures your headspace is correct before you resize again. This two-point check is the standard method for setting up 7/8"-14 full-length resizing dies without guesswork. For handloaders serious about case life and load consistency, running cases through the gage regularly is non-negotiable.
The gage comes as a one-piece tool with a knurled grip, sized to fit the specific shoulder and head dimensions of 221 Remington Fireball cartridges. It's the kind of item that belongs in every serious reloader's toolkit—small, durable, and worth its weight in saved brass and better loads.
| Overall Length | 2.494" |
| Large End ID | .473" |
| Small End ID | .347" |
| Outer Diameter | .991" |
| Finish | Silver with knurled middle section |
| Included | Gage and instructions |
Insert a fired case into the gage until it seats naturally. Using a caliper, measure the datum line (the point where the gage shoulder contacts the case shoulder) to the case head. This measurement tells you the headspace of that fired round. Compare this to your target to determine how much resizing is needed.
As brass is fired and resized repeatedly, it grows in overall length. The gage's OAL reference tells you when cases need trimming to safe, consistent lengths. Regular OAL checks prevent pressure issues and ensure uniform cartridge performance.
The package includes the gage itself and instructions. You'll need a caliper to take measurements—the gage is a go/no-go reference tool, not a measuring instrument.
This is a standard style gage for the 221 Remington Fireball, which is not a belted case. L.E. Wilson makes an adjustable style for belted magnum cartridges that allows for the belt's support during resizing.
