Lee Precision Reloading Gauge/Holder 300 AAC Blackout Lee Precision Gauge/Holder 300 AAC Blackout, Silver, Small
Lee 300 AAC Blackout case length gauge is a precise, easy way to trim to length and square the case mouth. Used with the cutter and lock stud or zip trim. Trim to length 1.348 to 1.368 inches.