Reloading dies are special tools that are fixed into the tool head of the press and are specific for each calibre.
There are 6 basic functions of dies: de-priming, sizing, powder charging, expanding, seating and crimping.
The sizing and depriming functions are usually combined in one die, wherethe case is cleared of the old primer and sized to factory dimensions. The sizing is performed either on the entire length of the cartridge case (full length sizing) or just a neck only (collet/neck sizing dies - available only for bottle cases).
The expanding and powdering function is most often combined in pistol calibre dies. The purpose of the expanding function of the die is to create a slight flare on the neck of the brass case to make it easier to seat the bullet. During this operation, the case may also be charged with gunpowder using either attached automatic powder dispenser, or manually through attached powder funnel.
The seating die is used for the accurate seating of the bullet
Lee Precision 40 S&W / 10mm Auto Bullet Seating Die for ammo reloading. Designed for precise seating of bullet in a brass case. Can also crimp. Thread 7/8"-14. Lee Precision BUL SEAT DIE 40 S&W / 10MM
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Lee Precision 41 Swiss Bullet Seating Die for ammo reloading. Designed for precise seating of bullet in a brass case. Thread 7/8"-14. Lee Precision SEAT DIE ONLY 41 SWISS
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Lee Precision 45 ACP Bullet Seating Die for ammo reloading. Designed for precise seating of bullet in a brass case. Can also crimp. Thread 7/8"-14. Lee Precision BUL SEAT DIE 45 ACP
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Lee Precision 223 Remington Bullet Seating Die for ammo reloading. Designed for precise seating of bullet in a brass case. Thread 7/8"-14. Lee Precision SEAT DIE ONLY 223 REM
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Lee Precision 308 Winchester Bullet Seating Die for ammo reloading. Designed for precise seating of bullet in a brass case. Thread 7/8"-14. Lee Precision SEAT DIE ONLY 308 WIN
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Lee Precision 7,5x55 Swiss Bullet Seating Die for ammo reloading. Designed for precise seating of bullet in a brass case. Thread 7/8"-14. Lee Precision SEAT DIE ONLY 7.5x55 SWISS
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Lee Precision 303 British Bullet Seating Die for ammo reloading. Designed for precise seating of bullet in a brass case. Thread 7/8"-14. Lee Precision SEAT DIE ONLY 303 BRI
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Lee Precision 17 Remington Full Length Sizing Die for ammo reloading. Deprimes the case and sizes the whole case in it's full length. Thread 7/8"-14. Lee Precision FL SIZE DIE 17 REMINGTON
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