9mm crimp question. in General Reloading Posted March 13, 2015 For plated bullets I use twice the case wall thickness + the bullet diameter. If a bullet measures .355 and one side of the case mouth measures .011, the proper crimp woul;d be .377 for a 9mm round.
9mm crimp question.
in General Reloading
Posted
For plated bullets I use twice the case wall thickness + the bullet diameter. If a bullet measures .355 and one side of the case mouth measures .011, the proper crimp woul;d be .377 for a 9mm round.