Lyman has refined their sizing dies with 90-degree lube hole spacing, a critical improvement that ensures optimal flow of even the hardest lubricants used by today's bullet casters. This enhanced geometry, combined with a tapered entrance and a hardened steel interior, delivers ideal alignment and uniform bullet shaping-essential for achieving consistent accuracy. Each die's interior diameter is precisely dimensioned to correspond with the recommended sizes for a broad spectrum of common rifle and pistol calibers. Matching these dies, Lyman's top punches are CNC-machined to mirror bullet nose profiles exactly, eliminating distortion and preserving ballistic consistency during the lubing and sizing process.

• Constructed with high-grade hardened steel for maximum strength and resilience
• The tapered mouth design improves feeding and reliability in your firearm
• 90 degree lube holes facilitate optimal lubrication for smooth mechanical operation
• Compatible with RCBS punches for versatile reloading options