Which specific rifle cartridges is the Lyman Case Length Headspace Gauge LY-CG22250 compatible with?

This Lyman gauge is specifically designed and precisely machined for the .22-250 Remington bottleneck rifle cartridge only. It is engineered to minimum chamber dimensions to ensure accurate measurements for this particular calibre, and it will not provide correct readings for other cartridge types.

What are the primary functions of this Lyman gauge, and why is it important for Australian reloaders?

The gauge primarily verifies headspace, inspects case length, and checks chambering/diameter for resized .22-250 cases. It is crucial for Australian handloaders, especially pest controllers and varmint hunters, as it prevents dangerous headspace conditions that can lead to case separations or firearm damage, while also maximizing the lifespan of their brass.

How do I use the Lyman Case Length Headspace Gauge to check my .22-250 cases, and what specific issues does it identify?

To use it, simply insert a resized .22-250 case into the gauge. It instantly verifies if the headspace (from the base to the datum line) falls within safe minimum and maximum tolerances. Additionally, a stepped cutout at the mouth indicates if the case exceeds maximum trim length, requiring trimming if it protrudes past the upper step.

What is the construction material of the Lyman Case Length Headspace Gauge, and does it require special maintenance or electrical power?

The Lyman Case Length Headspace Gauge is constructed from high-quality, durable steel, ensuring longevity and consistent performance. As a purely mechanical, non-electronic precision tool, it does not require any electrical power, calibration, or special Australian electrical certifications. Basic care like keeping it clean and lightly oiled will maintain its accuracy.

22-250 Reloading Headspace Gauge - Lyman LY-CG22250

The Lyman Case Length Headspace Gauge 22-250 (MPN: 7832324, SKU: LY-CG22250) is a precision-machined, one-piece steel tool designed to ensure the safety, accuracy, and reliability of your handloaded ammunition. Specifically engineered for the popular .22-250 Remington bottleneck rifle cartridge, this non-adjustable cylinder-type gauge allows reloaders to quickly check both case length and headspace tolerances. By inserting a resized cartridge case into the gauge, you can instantly verify if it meets minimum and maximum dimensions before committing to the final loading process. This essential benchtop tool helps prevent dangerous headspace issues, ensures smooth chambering, and assists in extending the service life of your brass cases.

Key Features:

Precision Headspace Verification: Allows handloaders to instantly check if the distance from the case base to the datum line falls within safe minimum and maximum tolerances after resizing.
Integrated Case Length Inspection: Features a high-precision stepped cutout at the mouth end. If the brass case exceeds the maximum allowable trim length, the case mouth will visibly protrude past the upper step, indicating that trimming is required.
Chambering and Diameter Check: Machined to minimum chamber dimensions, allowing it to double as a chamber gauge for loaded rounds to ensure reliable feeding and chambering in standard .22-250 Remington rifles.
Durable Steel Construction: Manufactured from high-quality, wear-resistant steel to maintain its precise tolerances over thousands of measurements.
Mechanical Simplicity: A purely mechanical, non-electronic tool requiring no batteries, external power, or calibration adjustments, making it a reliable addition to any reloading bench.

Specifications:

Manufacturer Part Number (MPN): 7832324
Retailer SKU: LY-CG22250
Cartridge Compatibility: .22-250 Remington
Material: Hardened steel
Type: One-piece, non-adjustable cylinder gauge
Packaged Length: Approximately 11.05 cm (4.35 inches)
Packaged Width: Approximately 6.35 cm (2.5 inches)
Weight: Under 100 grams
Power Requirements: None (mechanical tool)

Who It's For:

This gauge is an indispensable tool for Australian target shooters, varmint hunters, and professional pest controllers who rely on the high-velocity, flat-shooting .22-250 Remington cartridge for long-range precision. Whether you are reloading high volumes of ammunition for agricultural pest management or crafting highly consistent rounds for competitive target shooting, this tool provides the quality control necessary to ensure safe operation. It is ideal for handloaders seeking to prevent case head separation, improve accuracy, and streamline their case preparation workflow on the bench.

SKU	LY38258LP
Model #	LY-CG22250
Brand	Lyman
Shipping Weight	1.0000kg

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Lyman Ly-Cg22250 Case Length Headspace Gauge 22-250 Remington Steel Precision

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