The RCBS Chamber Case Length Gauge for 6mm Creedmoor (RCBS part no. 88283) is a chamber-specific tool built to quickly check case length, case diameter, and overall cartridge length on your own handloaded 6mm Creedmoor ammunition. RCBS sizes this gauge to that cartridge’s exact chamber dimensions, so a case or loaded round either fits as it should or reveals a problem before it ever reaches the rifle. It is a bench check, not a full case-prep tool, meant to confirm brass and loaded rounds are within spec after sizing and seating. Find it filed with our case preparation selection.

Key Specifications

• Chambering is 6mm Creedmoor, matching this gauge to that cartridge’s chamber dimensions only.
• It checks case length, flagging brass that needs trimming.
• It checks case diameter, catching cases sized outside spec.
• It checks overall cartridge length on handloaded, finished ammunition.
• It is built for a quick check at the bench rather than a full caliper measurement of every round.

Frequently Asked Questions

What does this gauge check? Case length, case diameter, and overall cartridge length for 6mm Creedmoor handloads.

Which cartridge is it built for? 6mm Creedmoor only.

Buy the RCBS Chamber Case Length Gauge, 6mm Creedmoor

Catching an out-of-spec case or loaded round on the bench beats finding out at the chamber. Order through our Lubbock, Texas gun shop and we will get it on its way as soon as it is ready to ship.