Lyman 7705200 Pro Single Ammo Checker .223 Remington Case Gauge

The Lyman 7705200 Pro Single Ammo Checker ensures .223 Remington cartridges meet precise chamber specifications before firing. This precision-machined case gauge eliminates misfires and extraction issues by verifying proper case dimensions and overall cartridge length.

What Makes This Different

Unlike basic go/no-go gauges, the Pro Single Ammo Checker features a precision-reamed chamber that matches SAAMI specifications exactly. The tool accepts both factory ammunition and handloads, providing consistent verification across different bullet weights and powder charges. Machined from solid steel bar stock, it maintains dimensional accuracy through thousands of uses without wear or distortion.

Key Features

• Precision-reamed .223 Remington chamber matches SAAMI specifications
• Solid steel construction with heat-treated surfaces for durability
• Accepts both factory ammunition and handloaded cartridges
• Smooth chamber walls prevent case scratching during testing
• Compact 3.5-inch length fits easily in range bags
• Knurled grip surface provides secure handling
• Compatible with .223 Remington and 5.56x45mm NATO cartridges

Reloaders rely on this gauge to verify case length after trimming and overall cartridge dimensions before range sessions. Competition shooters use it to ensure ammunition consistency, while hunters depend on it to prevent field malfunctions. The hardened steel construction resists corrosion and maintains accuracy even after extended use in humid conditions.

Technical Specs

• Caliber: .223 Remington/5.56x45mm NATO
• Overall length: 3.5 inches
• Material: Heat-treated alloy steel
• Chamber specification: SAAMI standard
• Finish: Matte black oxide
• Weight: 4.2 ounces
• Manufactured in USA

This essential reloading tool prevents costly ammunition failures and potential safety issues. The precision manufacturing and durable construction make it a permanent addition to any serious shooter's equipment collection.