The RCBS Chamber Case Length Gauge for .223 Remington and 5.56×45 (RCBS part no. 88280) is a simple, purpose-built tool that lets handloaders quickly check the case length, diameter, and overall cartridge length of their handloaded .223/5.56 ammunition. Checking these dimensions against SAAMI spec before shooting or storing finished rounds catches sizing or trimming errors before they become a chambering problem at the range.

Key Specifications

• Built specifically for .223 Remington and 5.56×45 cartridge dimensions.
• Checks case length, diameter, and overall cartridge length in one gauge.
• Designed for quick verification of handloaded ammunition dimensions at the bench.
• Measures approximately 1.8 inches overall, a dimension handloaders can check against magazine length and seating depth.
• Ships at a packaged weight of approximately 0.29 lb, useful for estimating freight on larger orders.

Frequently Asked Questions

What does this gauge check? It checks case length, diameter, and overall cartridge length of handloaded .223 Rem/5.56×45 ammunition.

What cartridges is this gauge built for? It’s built specifically for .223 Remington and 5.56×45.

Buy the RCBS Chamber Case Length Gauge, .223 Rem/5.56×45

RCBS builds simple, purpose-specific tools that catch handloading errors before they reach the range. Shop our case preparation selection and order today for fast, insured shipping from our Lubbock, Texas shop.