Lee Precision's case length gauge for .300 AAC Blackout delivers precise trimming to 1.348-1.368 inches and squares case mouths. Works with Lee's Cutter and Lock Stud or Zip Trim systems for consistent, accurate brass preparation.
Precision brass preparation is fundamental to consistent ammunition performance, and Lee Precision's Case Length Gauge provides an efficient, accurate solution for reloaders working with .300 AAC Blackout cartridges.
Squared case mouths and proper case length are critical for reliable feeding, consistent bullet seating, and maximum accuracy. This gauge eliminates guesswork from the trimming process, ensuring every case meets specification. The hardened steel construction means this tool will serve you reliably for years of reloading.
Whether you're preparing brass for precision rifle work or general .300 AAC Blackout ammunition, this gauge streamlines your reloading workflow while maintaining the quality standards serious shooters demand.