This kit adds four precision mandrels sized for 7mm caliber neck sizing, for use with Area 419's ZERO M-Series or S-Series sizing dies. The mandrels are ground from 17-4PH stainless steel and finished with a black nitride coating for smooth, consistent operation. Combined with the mandrel supplied with the die, the kit lets reloaders step neck tension in 0.0005" increments to fine-tune bullet grip.
- Caliber : 7mm (fits ZERO M-Series/S-Series dies)
- Material : 17-4PH stainless steel, black nitride finish
- Contents : 4 mandrels plus one spare decapping pin
- Neck Tension Range : 0.0005" to 0.0025" in 0.0005" steps (combined with die's included mandrel)
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