The RCBS AR Small Base Die Set supplies the two dies needed to size and crimp .223 Remington / 5.56 NATO cartridges for AR-style semiautomatic rifles. It includes a Small Base Sizer Die engineered to ensure reloaded cartridges chamber reliably in AR platforms and a Taper Crimp Seater Die for consistent crimping on bullet seating. This set is intended for reloaders working with .223/5.56 cases in progressive or single-stage presses.
Key Specifications
- The set contains 2 dies.
- The dies included are a Small Base Sizer and a Taper Crimp Seater.
- The product type is listed as SMALL BASE/TAPER CRIMP.
- Compatible caliber is .223 REM/5.56 NATO.
- Carbide compatibility is No.
- Package dimensions list 1.80 X 4.45 X 5.95.
- Package width is 4.4500.
- Package height is 1.8000.
- Package length is 5.9500.
- Die style is Die Sets (Complete).
Built for reloaders who expect consistent chambering and reliable seating for AR-platform cartridges, this RCBS die set provides the essential sizing and crimping tools for routine reloading tasks. Its straightforward design and AR-focused small base sizing make it a practical choice for informed, no-nonsense shooters who value reliable, repeatable results at the reloading bench.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




