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.339 x .335 Exp. Plug
To use with Lee Universal Neck Expanding Die
Turns it in to a true neck expander like a Lyman M-die.
Use a expander that is .001" over your bullet size for best fit.
Available Options:
Drill for Probe:
Lyman / RCBS style Top Punch:
Mold Wrench and Sprueplate Lube:
Saeco style Top Punch:
