The RCBS 30-180 -flat point is a great bullet for bolt actions, and 30-30 lever guns. Same issue of not quite enough diameter, as they cast to about .309". A bit long for a lever action, which will require bullet seating in a 30-30 with the gas check base below the neck. Not a problem, but some people don't like that.
The NOE version casts slightly bigger diameter @ 0.311", for likely better accuracy, as it will fill the throat.
NOE RCBS 311 clone ( almost 200 grains)
https://noebulletmolds.com/site/product-category/308-311/311-199-fn-j2NOE 30 caliber mold options:
https://noebulletmolds.com/site/product-category/308-311
