The Mighty Armory Tighter Neck Tension 10mm Taper Crimp Die tapers the cartridge case mouth back to its spec angle to match our spec sizing once a bullet is seated. The crimp is made from high speed tool steel heat-treated and Fail Zero Nickel Boron infused and coated then polished.
“Get Tough Stay Mighty”
- "World's Toughest" Reloading Dies
- Precision Reloading Tools
- Made in the USA