RCBS 15503 Small Base Die Set .308 Winchester

$52.92 6 in stock

RCBS two-die set for .308 Winchester with small base sizer and seater die featuring integrated roll crimper. Designed for tight-chambering semi-automatic, pump, and lever-action rifles.

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RCBS Small Base Die Set for .308 Winchester

This two-die reloading set is purpose-built for shooters working with tight-chambering semi-automatic, pump, and lever-action rifles chambered in .308 Winchester.

What's Included

  • Small Base Sizer with Expander-Decapping Unit
  • Regular Seater Die with Seater Plug

Key Features

Small Base Sizing The sizer die resizes cases below SAAMI minimums, reducing both the shoulder and body dimensions by a few thousandths of an inch. This aggressive resizing ensures reliable feeding and chambering in tight-tolerance actions where standard full-length sizing may not be sufficient.

Integrated Decapping The sizer simultaneously removes spent primers, streamlining your reloading process.

Built-in Roll Crimper The seater die features an integrated roll crimper that secures the bullet in place while seating it in a single operation. For shooters who prefer to seat without crimping, simply unscrew the die until the crimp ring no longer contacts the case mouth.

Why Small Base Dies Matter

Small base dies are essential for semi-automatic rifles where case stretch and loose chamber tolerances can cause feeding problems. By resizing cases more aggressively than standard dies, you ensure consistent, reliable performance.

Attributes

Caliber: .308 Winchester
In Set: 2
Model: 15503
Shell Holder Cap: Group A
Type: Small Base 2-Die Set