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10232
Lee, Rifle Dies
| brand: | lee |
| equipment: | dies |
Lee Factory Crimp Die 7mm Mag #90821
7MM Rem Mag / 7 x 64 Lee Crimp by Brenneke Factory The bullet is crimped in place more tightly by the die than by any other tool. Even bullets without a crimp groove have been shown to fire more accurately in tests. Because pressure must rise to a higher level before the bullet moves, a strong crimp enhances accuracy. This higher start pressure insures a more uniform pressure curve and less velocity variation.
Additional Information:
📌 Especially useful for hunting ammunition where reliability is critical.
📌 Can be used even on bullets without a cannelure due to the collet design.
📌 Design Advantage: The collet applies pressure from all sides, ensuring straight, consistent crimps without distorting the case.
Not always. Many bolt-action loads rely on neck tension alone, but crimping is beneficial for heavy recoil or magazine-fed rifles.
It uses a collet system, not a roll crimp, resulting in a more uniform and controlled crimp.
Yes. By increasing start pressure, it helps produce more consistent velocities, which can improve accuracy.
No. The collet can form a crimp without requiring a groove, though adjustment should be done carefully.
⚠️ Always follow safe reloading practices and manufacturer load data.
