Standard sizing dies resize your brass, but they don’t give you control over how much. You’re locked into whatever dimension the die was cut to, with no way to fine-tune the shoulder bump or adjust for different chambers. That lack of control costs you consistency, and consistency is what separates good handloads from great ones.
The Cortina Precision Micro HS FL sizing die is built for shooters who need exact control. The integrated micrometer head lets you adjust case sizing in precise increments, with clear markings so you can return to proven settings every time. Machined from 17-4 stainless with a polished, nitride-coated interior for smooth resizing that minimizes brass work and extends case life.
This die uses proprietary Sherman bushings (sold separately) for neck sizing, so you can dial in the exact neck tension your load needs. It’s part of the Sherman matched system: brass, dies, and reamers designed to work together. Compatible with most reloading presses and built to handle high-volume reloading without losing performance.
The result is ammunition prepped to tighter tolerances, with brass that lasts longer and performs more consistently at distance.
Note: Bushing must be purchased separately.




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