RCBS Small Base Die Set .300 Win Mag
Two-die reloading set for .300 Win Mag featuring small base sizer that resizes below SAAMI specs for tight-chambering rifles, plus seater die with roll crimper.
RCBS Small Base Die Set for .300 Win Mag
Purpose and Design
This two-die set is engineered specifically for reloaders working with bottleneck cartridges in tight-chambering semi-automatic, pump, and lever-action rifles. The small base sizing approach ensures reliable feeding and extraction in firearms with demanding chamber tolerances.
What's Included
- Small Base Sizer Die with Expander-Decapping Unit
- Seater Die with built-in roll crimper and seater plug
Key Features
Small Base Sizer Die
- Resizes cases below SAAMI minimum specifications
- Reduces shoulder and body dimensions by a few thousandths of an inch
- Simultaneously de-primes spent primers for efficient case preparation
- Ensures consistent chamber fit in tight-tolerance rifles
Seater Die with Roll Crimper
- Seats bullets to precise depth
- Integrated roll crimper secures bullets during the seating process
- Maintains consistent cartridge dimensions for reliable feeding
Why Small Base Dies Matter
Small base dies are essential for shooters using semi-automatic and lever-action rifles where chamber tolerances are tighter than bolt-action specifications. This die set delivers the precision reloading demands of these platforms.
