RCBS 300 AAC CHAMBER/ CASE LENGTH GAUGE
Product Information
300 AAC Blackout
The RCBS Chamber / Cartridge Gauge is a one-piece, non-adjustable gauge designed to check all critical dimensions of ammunition to insure proper fit. Simply drop a loaded round into the precision made gauge, and if your cartridge fits the gauge, it'll fit your firearm. Gauge checks both chambering as well as cartridge length.
- Check case length, diameter, and overall cartridge length
- Easy-to-read engravings display caliber size
- Made in USA
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