Lee Case Length Gauges are a precise and easy way to trim brass cases to length and square the case mouth. The Lee Precision Reloading Gauge Holder 300 AAC Blackout is to be use with the Case Conditioning Kit, Cutter and Lock Stud or 3 Jaw Trimming Kit. Trim to length 1.348 to 1.368 inches.

• 300 AAC Blackout case length Gauge
• Easy way to trim to length and square the case Mouth
• Use with the Case Conditioning Kit, Cutter and Lock Stud or 3 Jaw Trimming Kit
• Trim to length 1.348 to 1.368 inches
• Made in the USA