This Lee Precision Case Length Gauge is the easiest way to trim .300 AAC Blackout cases to the proper length while squaring case mouths at the same time. The hardened steel Case Length Gauge is precisely sized to produce cases perfectly trimmed to the SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) standard length.

The Lee Case Length Gauge and Shell holder works in conjunction with LEE's Cutter and Lock Stud (as shown in the image below), and with the LEE Cutter with Ball Grip and /or LEE Zip Trim to produce consistently trimmed and squared cases with no guesswork and no measuring required.

If you're looking for a simple, no hassle way to quickly trim and square your cases to SAAMI standards, this is the tool for you.

FEATURES:

• Made from hardened steel to retain accuracy.
• Trims cases square and true every time when used with the Lee Precision Cutter and Lock Stud.

NOTES:

• Requires the Lee Precision Cutter and Lock Stud which is sold separately.
• The Lee Precision Cutter with Ball Grip makes holding the cutter easier.
• The Lee Precision Zip Trim can be added to reduce trimming time.
• The Lee Precision 3 Jaw Spinner Stud adapts the Lee Case Length Gauge and Shellholder to any electric drill for high speed trimming.