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
This two-die set is intended for reloading bottleneck cases, and consists of a Full-Length Sizer Die with an Expander-Decapping Unit, and a Seater Die with Bullet Seater Plug. Caliber .17 REM
Lee Precision 32 ACP / 32 S&W Short Powder Through Expanding Die for ammo reloading. Allows you to charge the cases on press, and expands the case mouth for easier bullet seating. Thread 7/8"-14. Lee Precision POWDER THRU DIE 32 ACP / 32 S&W
Lee Precision 50 AE / 500 S&W / 50 Beowulf / 458 Socom Powder Through Expanding Die for ammo reloading. Allows you to charge the cases on press, and expands the case mouth for easier bullet seating. Thread 7/8"-14. Lee Precision POWDER THRU DIE 50 AE
RCBS Matchmaster – Full Length Bushing Die Set for caliber .223 Remington. Matchmaster seating die with bullet seating window and with bullet retaining system.
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