Meister Bullets "Slug Your Barrel Kit" is the quick, easy and accurate way to measure a barrel's groove diameter. Generally, the best accuracy with cast bullets is obtained when sized .001" over groove diameter. In addition, a properly sized bullet helps prevent leading. Kits contain 45 soft lead slugs, 6 - 5" hardwood pins to drive slugs through the barrel without damaging the bore, forceps for easy removal of slugs from the tray and Shooter's Choice High Tech Grease to lubricate the slugs.
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