If you’re a long-time user of Lee Collet Neck Sizing Die you may notice we have modified the Collet so a small
portion of the neck protrudes through the end of the Collet-Sizing
portion. This often-requested modification was implemented in 2019.
change allows the portion of the neck that protrudes above the Collet
to remain in its fire formed condition. This provides a natural flare to
the case neck allowing easy and concentric seating of bullets. This is
especially important when seating cast bullets or low drag coated
Noted author and cartridge designer M. L. McPherson has
suggested this modification for years for its ease of use, better
function and improved accuracy.
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