L.E. Wilson197558973
Wilson Expanding Mandrel Only .30 Cal .307"$17.60
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Availability: In Stock
The L.E. Wilson expanding mandrel for .22 caliber (.223") is a precision case preparation tool that addresses one of the most overlooked steps in handloading: conditioning new brass. Factory-fresh cases often arrive with inconsistent neck dimensions and minor shipping damage. This mandrel gives your .22 cases uniform neck diameter before seating, resulting in more consistent bullet tension and improved shot-to-shot velocity uniformity.
Neck tension directly affects seating depth consistency—tighter control here means tighter groups at the range. Rather than accept the variability that comes straight from the factory, serious reloaders for .22 centerfire cartridges (like .223 Remington) use an expanding mandrel as part of their case prep sequence. L.E. Wilson's design expands the neck to slightly under bullet diameter, giving you controlled tension without excessive force.
The die itself is built for durability with stainless steel parts and a precision L.E. Wilson manufactured lock nut. The cutout in the die body lets you visually confirm case alignment and easily set up your working depth. This is a standard 7/8-inch reloading press die, so it threads directly into any progressive or single-stage press. The mandrel ships alone; additional caliber-specific mandrels are sold separately, making it easy to expand your capability as you reload more cartridges.
| Caliber | .22 Cal (.223") |
| Die Type | Expanding Mandrel (case preparation) |
| Press Compatibility | Standard 7/8-inch reloading press die |
| Lock Nut Thickness | .225" inside to outside edge |
| Lock Nut Height | .270" |
| Lock Nut Total Width | 1.250" OD |
| Mandrel Material | Stainless steel |
| What's Included | Expanding mandrel for .223" diameter; additional mandrels sold separately |
This mandrel is sized for .22 caliber cases with a .223" neck diameter. If you reload other calibers, you'll need mandrels sized for those specific cartridges—L.E. Wilson sells them separately so you can add capabilities over time.
Factory new brass often suffers inconsistent neck dimensions and minor handling damage during shipping. Running cases over an expanding mandrel before your first reload ensures uniform neck diameter, which leads to more consistent bullet seating depth and improved accuracy and velocity consistency.
Yes, if you have a standard single-stage or progressive reloading press. This is a standard 7/8-inch reloading press die, which is the industry-wide threading standard. It threads directly into your press like any other die.
No. You receive one expanding mandrel for .223" diameter. To expand brass for other calibers, you must purchase additional caliber-specific mandrels from L.E. Wilson.
SKU: 197558999 • Weight: 0.5oz
Availability: In Stock
The L.E. Wilson expanding mandrel for .22 caliber (.223") is a precision case preparation tool that addresses one of the most overlooked steps in handloading: conditioning new brass. Factory-fresh cases often arrive with inconsistent neck dimensions and minor shipping damage. This mandrel gives your .22 cases uniform neck diameter before seating, resulting in more consistent bullet tension and improved shot-to-shot velocity uniformity.
Neck tension directly affects seating depth consistency—tighter control here means tighter groups at the range. Rather than accept the variability that comes straight from the factory, serious reloaders for .22 centerfire cartridges (like .223 Remington) use an expanding mandrel as part of their case prep sequence. L.E. Wilson's design expands the neck to slightly under bullet diameter, giving you controlled tension without excessive force.
The die itself is built for durability with stainless steel parts and a precision L.E. Wilson manufactured lock nut. The cutout in the die body lets you visually confirm case alignment and easily set up your working depth. This is a standard 7/8-inch reloading press die, so it threads directly into any progressive or single-stage press. The mandrel ships alone; additional caliber-specific mandrels are sold separately, making it easy to expand your capability as you reload more cartridges.
| Caliber | .22 Cal (.223") |
| Die Type | Expanding Mandrel (case preparation) |
| Press Compatibility | Standard 7/8-inch reloading press die |
| Lock Nut Thickness | .225" inside to outside edge |
| Lock Nut Height | .270" |
| Lock Nut Total Width | 1.250" OD |
| Mandrel Material | Stainless steel |
| What's Included | Expanding mandrel for .223" diameter; additional mandrels sold separately |
This mandrel is sized for .22 caliber cases with a .223" neck diameter. If you reload other calibers, you'll need mandrels sized for those specific cartridges—L.E. Wilson sells them separately so you can add capabilities over time.
Factory new brass often suffers inconsistent neck dimensions and minor handling damage during shipping. Running cases over an expanding mandrel before your first reload ensures uniform neck diameter, which leads to more consistent bullet seating depth and improved accuracy and velocity consistency.
Yes, if you have a standard single-stage or progressive reloading press. This is a standard 7/8-inch reloading press die, which is the industry-wide threading standard. It threads directly into your press like any other die.
No. You receive one expanding mandrel for .223" diameter. To expand brass for other calibers, you must purchase additional caliber-specific mandrels from L.E. Wilson.
SKU: 197558999 • Weight: 0.5oz