The Lee Precision 90856 Factory Crimp Die delivers consistent bullet seating and proper case mouth crimping for 45-70 Government cartridges. This specialized reloading die ensures uniform ammunition performance by applying factory-specification crimps that secure bullets without over-compression.
What Makes This Different
Unlike standard taper crimp dies, the Factory Crimp Die uses a collet system that crimps into the bullet's cannelure groove for maximum hold. The die's unique design prevents case mouth damage while maintaining consistent overall cartridge length. This approach produces ammunition that matches factory specifications for reliable feeding and extraction in lever-action rifles and single-shot firearms.
Key Features
- Collet-style crimping system grips bullets in the cannelure groove
- Hardened steel construction with precision-machined threads
- Standard 7/8-14 thread pitch fits most reloading presses
- Includes detailed instructions and load data reference
- Compatible with cast lead, jacketed, and plated bullets
- Maintains consistent cartridge overall length specifications
- Reduces bullet setback during magazine cycling
The Factory Crimp Die excels in applications requiring reliable ammunition function, particularly for hunting loads in lever-action rifles like the Marlin 1895 and Winchester 1886. The consistent crimp tension improves accuracy by eliminating bullet movement during ignition. Handloaders report improved feeding reliability in tubular magazine firearms where cartridge-to-cartridge contact can cause bullet setback.
Technical Specs
- Caliber: 45-70 Government (.458 diameter)
- Thread specification: 7/8-14 TPI standard
- Material: Heat-treated alloy steel
- Die height: Approximately 3.5 inches
- Hex adjustment: Standard 7/8-inch
- Compatible with Lee, RCBS, Hornady, and Dillon presses
- Country of origin: United States
- Manufacturer part number: 90856
This die addresses the specific crimping requirements of the 45-70 Government cartridge, which demands proper bullet retention for safe use in tubular magazine rifles. The precision manufacturing ensures consistent results across thousands of reloading cycles.