.357 Sig Reloading Essentials

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. The Full-Length Sizer Die brings the case to SAAMI minimum cartridge dimensions. It sizes the outside of the case, de-primes and expands the neck to accept the bullet. The die has vents to prevent case damage caused by trapped air and for excessive lubricant. Headspace is held to minimum tolerances to avoid changing the case body length during full length sizing. The included Seater Die has a built-in roll crimper to secure the bullet at the same time as it’s seated.

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• Standard 7/8"-14 Thread
• Proprietary Die Steel
• Set includes Full-Length Sizing die and Bullet Seating Die
• Sizing die brings cases to SAAMI minimum cartridge dimensions
• Ships in Green Die Box

RCBS Single Stage shell holders are built from hardened steel and designed to properly align the case with the reloading die in single-stage and turret presses. They’re sized to fit specific case heads and capture 0.125 inch of the case head for proper SAAMI headspacing.

• 40 S&W
• 357 SIG
• 10mm Auto
• RCBS shell holders are built for Single Stage and Turrets Presses.
• RCBS shell holders are manufactured to exacting tolerances.
• RCBS shell holders are hardened for years of use.
• RCBS shell holders ensure proper alignment between the cartridge and die.
• The Shell holders are cut to .125" depth for proper headspacing.
• RCBS Limited Lifetime Warranty.

These high-quality replacement parts are compatible with the RCBS® Rock Chucker®, Reloader Special™ and most C-frame single-stage presses.

RCBS® Case Trimmer Collets work like a draw collet on a lathe. They secure cases for trimming to length. Note: For use with Rotary Case Trimmer and Rotary Case Trimmer—2 only.

RCBS® Case Trimmer Pilots are tapered to guide pilot into the case mouth. The design prevents a case from wobbling when being trimmed to length. For use with RCBS® Trim Pro® Case Trimmers, Rotary Case Trimmer—2 and Rotary Case Trimmer. For use with RCBS Case Trimmers only.

These tough, plastic boxes have flush exteriors with recessed latches. They're designed to stack easily, and feature an anti-rattle bullet-tip nest, empty case support, and long-lasting hinge. They're available in five sizes.