The Lee Precision 90961 Collet Die delivers precision neck sizing for 300 Winchester Magnum cases without overworking the brass. This specialized reloading die extends case life while maintaining optimal accuracy for long-range shooting applications.
What Makes This Different
Unlike traditional full-length sizing dies that resize the entire case, this collet die focuses exclusively on neck sizing. The mandrel-based design applies controlled pressure to resize only the case neck, preserving the fire-formed body dimensions that match your specific chamber. This approach reduces brass stress and eliminates the need for case trimming in most situations, allowing reloaders to achieve consistent results with minimal case preparation.
Key Features
- Mandrel-driven collet system sizes case necks without overworking brass
- Standard 7/8"-14 threading fits most single-stage and turret presses
- Hardened steel construction with precision-machined tolerances
- Eliminates case trimming requirements for most applications
- Extends brass case life by 3-5 additional reload cycles
- Maintains fire-formed case body dimensions for improved accuracy
- Compatible with Lee Quick Change bushing system
This collet die excels in precision rifle applications where accuracy takes priority over volume production. Competition shooters benefit from the consistent neck tension and minimal case distortion, while hunters appreciate the extended brass life for premium 300 Win Mag cases. The gentle sizing action preserves case concentricity, contributing to improved bullet seating consistency and downrange performance.
Technical Specs
- Caliber: 300 Winchester Magnum
- Thread: Standard 7/8"-14 TPI
- Construction: Heat-treated alloy steel
- Finish: Black oxide coating
- Compatible with: Most single-stage and turret presses
- Includes: Collet die body and mandrel
- Made in USA by Lee Precision
- Model: 90961
Reloaders seeking maximum case life and precision accuracy will find this collet die addresses the unique challenges of 300 Win Mag brass preparation. The specialized design reduces the variables that affect shot-to-shot consistency while simplifying the reloading process.