Chamber Case Length Gauge
Quickly check case length, diameter, and the overall cartridge length of your handloaded ammo.
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Use It With
Simply drop a loaded round into the precision made gauge, and if your cartridge fits the gauge, it'll fit your pistol. Gauge checks both chambering as well as cartridge length.
- Quickly confirms ammunition will fit your pistol's chamber
- Easy-to-read engravings display caliber size
The RCBS Chamber / Cartridge Gauge is a one-piece, non-adjustable gauge designed to check all critical dimensions of pistol ammunition to insure proper fit.
Features

Our tools ensure your cases are as consistent as possible to get you the best results .
It's all about consistent case preparation when it comes to crafting the finest handloads possible. RCBS has numerous tools to help you clean, measure, lubricate, trim, chamfer, and deburr your cases to perfection.

RCBS: Precisioneered Reloading
RCBS has dedicated itself to the craft of handloading ammunition since it was founded in 1943. RCBS is the leading manufacturer of reloading equipment for rifles and pistols. Reloading is an exact process with tight tolerances. It requires precision and skill to be done correctly. That’s why RCBS makes state-of-the-art products all are backed by RCBS’s industry-leading reputation.