RCBS Small Base Die Set .223 Remington
Two-die reloading set for .223 Remington featuring small base sizer that resizes below SAAMI minimums for tight-chambering semi-automatic rifles, plus seater die with integrated roll crimper.
RCBS Small Base Die Set for .223 Remington
This two-die reloading set is purpose-built for shooters working with .223 Remington ammunition in tight-chambering semi-automatic, pump, and lever-action rifles.
What's Included
- Small Base Sizer with Expander-Decapping Unit
- Regular Seater Die with Seater Plug
Small Base Sizer
The small base sizer 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 rifles with tighter tolerances. The die also removes spent primers during the resizing stroke.
Seater Die with Integrated Crimper
The seater die features a built-in roll crimper that secures the bullet in place during seating. This prevents bullet movement during recoil and firing—critical for reliable performance in semi-automatic platforms. If you prefer to seat bullets without crimping, simply unscrew the die until the crimp ring no longer contacts the case mouth.
Ideal For
This set is particularly valuable for reloaders shooting AR-15s and other semi-automatic rifles where case dimensions directly affect reliability and feeding consistency.
