What does the Lyman Case Length Headspace Gauge .223 actually measure, and why is it important for reloaders?

This precision-machined, hardened steel gauge measures both the headspace and overall length of your resized .223 Remington (and compatible 5.56x45mm NATO) cartridge cases. It's an essential safety and quality-control tool that ensures your brass meets SAAMI dimensional standards, preventing dangerous issues like case head separation or improper chambering.

Is the Lyman LY-CG223 compatible with all .223 Remington and 5.56x45mm NATO cases, and can it be used for fully loaded ammunition?

Yes, this gauge is specifically designed for .223 Remington and compatible 5.56x45mm NATO bottleneck rifle cartridge cases. However, it is strictly a case gauge for empty, resized brass, and is not intended as a "go/no-go" chamber gauge for fully loaded, finished ammunition.

How do I use the Lyman LY-CG223 gauge to check my resized brass, and what should I look for?

To use the gauge, simply drop a resized .223 case into it. You'll check two critical dimensions: the case head should fall between the minimum and maximum steps for correct headspace, and the case mouth should not protrude past the high step on the top, which indicates the case needs trimming if it does.

As a mechanical tool, does the Lyman LY-CG223 require any specific Australian electrical or safety certifications like SAA/RCM?

No, the Lyman Case Length Headspace Gauge .223 is a purely mechanical, non-powered hand tool. Therefore, it does not require any electrical specifications or certifications such as 240V compatibility, SAA, or RCM, making it straightforward for Australian reloaders.

What material is the Lyman LY-CG223 gauge made from, and how does this ensure its accuracy and durability?

The Lyman LY-CG223 gauge is precision-machined from hardened steel. This robust material provides exceptional resistance to wear and maintains its exact dimensions over countless uses, ensuring consistent and accurate measurements for the critical headspace and case length checks throughout its long lifespan.

Case Length Headspace Gauge .223 - Lyman LY-CG223

The Lyman Case Length Headspace Gauge .223 Remington (MPN: 7832323, SKU: LY-CG223) is a precision-machined quality control tool designed for firearm enthusiasts and reloaders who process .223 Remington brass. In Australia, where the .223 Remington caliber is widely used for varmint control, agricultural pest management, and target shooting, maintaining ammunition safety and consistency is critical. This manual, non-powered hand tool allows reloaders to quickly verify that their resized cartridge cases meet Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) dimensional standards before reloading. By dropping a resized, empty case into the gauge, you can instantly check both headspace and overall case length, preventing chambering issues and potential firearm damage.

Key Features:

Headspace Verification: Instantly check if the distance from the cartridge datum line to the case head falls within safe minimum and maximum SAAMI limits to prevent case head separation or blown primers.
Case Length Check: Features a precision step-cut profile on the top of the gauge to easily identify stretched brass that exceeds maximum overall length and requires trimming.
Die Calibration Tool: Serves as a physical standard to help reloaders accurately set up and calibrate full-length resizing dies on their reloading presses.
High-Volume Efficiency: Replaces the slow process of measuring individual cases with digital calipers, allowing rapid manual inspection of large batches of brass.
Robust Construction: Made from precision-machined, hardened steel to ensure long-term durability and consistent measurement accuracy over thousands of cycles.

Specifications:

Manufacturer Part Number (MPN): 7832323
Model / SKU: LY-CG223
Caliber Compatibility: .223 Remington and compatible 5.56x45mm NATO bottleneck rifle cartridge cases (empty, resized brass only; not for loaded ammunition).
Material: Hardened steel.
Power Requirements: None (100% manual mechanical tool).
Weight: Approximately 80 to 100 grams.
Dimensions: Compact, pocket-sized cylindrical hand tool designed for easy storage on a reloading bench or inside a range bag.

Who It's For:

The Lyman Case Length Headspace Gauge .223 is designed for Australian sport shooters, primary producers, and recreational hunters who reload their own ammunition to optimize accuracy and manage costs. It is an essential safety tool for high-volume reloaders who need to process large quantities of .223 Remington brass quickly and safely. Whether you are prepping brass for agricultural pest control or competitive target shooting, this gauge ensures your handloads chamber reliably and perform safely in your rifle.

SKU	LY38259LP
Model #	LY-CG223
Brand	Lyman
Shipping Weight	1.0000kg

What our Customers are Saying

We Also Recommend

Allen 3d Leafy Omnitex Blind Fabric Mossy Oak Infi

$80.95

Allen Durango Rugged Endura Fabric Scoped Rifle Ca

$56.95

Leupold Rifleman Rings 1 Inch Rimfire 3/8 Gloss -

$54.95

Primos Hunting Game Caller Randy Anderson Predator

$61.95

Recommended Products

Lee Precision 90154 Case Length Gauge For 40 S&w S

$19.95

Lee Precision Case Length Gauge & Shell Holder For

$19.95

Lee Precision 90160 44 Special Case Length Gauge W

$19.95

Lyman Ly-Aclrg Ammo Checker Gauge Large Rifle Cali

$162.95

Welcome to Xhunter Australia. By accessing and using our website (www.xhunter.com.au) and purchasing from our online store, you agree to be bound by the following Terms and Conditions. Please read them carefully before proceeding.

1. Eligibility

By agreeing to these Terms and Conditions, you confirm that:

• You are at least 18 years of age.
• You are legally capable of entering into a binding contract under Australian law.
• You will not purchase any restricted or controlled items unless legally permitted to do so.

2. Product Information

• All products listed are subject to availability.
• Product descriptions, specifications, and pricing are subject to change without notice.
• We make every effort to display products accurately, although we do not guarantee that all images or content are error-free.

3. Orders and Payments

• All orders are subject to acceptance and confirmation.
• Prices are in AUD and include GST unless otherwise stated.
• We reserve the right to cancel or refuse any order at our sole discretion.
• Full payment is required before dispatch.

4. Authority to Leave (ATL) and Delivery

• By default, all orders are shipped with Authority to Leave (ATL).
• If you require Signature on Delivery, please contact us prior to purchasing. Additional charges apply.
• If an order is returned to us due to failed delivery or non-receipt when ATL is not permitted, a $25 return processing fee must be paid before reshipment or refund.

5. Returns and Refunds

• Please refer to our full Returns Policy on the website.
• Returned items must be in original, resalable condition unless faulty.
• A restocking fee may apply if an item is not in reselling condition.
• Change-of-mind returns may not be accepted for clearance or custom-ordered items.

6. Firearms and Restricted Items

• You must comply with all relevant State and Federal laws for regulated products.
• You are responsible for ensuring proper licences and permits are held.
• We reserve the right to request proof of eligibility before dispatch.

7. Limitation of Liability

• Xhunter Australia is not liable for direct or indirect losses arising from the use or misuse of products.
• We are not responsible for any unauthorised modifications or incorrect application of products.

8. Manufacturer Warranty Support

Some products sold by Xhunter Australia include a manufacturer’s warranty (for example, limited lifetime warranties). These warranties are provided solely by the manufacturer and are separate from the consumer guarantees under Australian Consumer Law.

Where a manufacturer provides a warranty:

A. The warranty is offered and honoured by the manufacturer, not by Xhunter Australia, unless expressly stated otherwise.
B. Customers may be required to contact the manufacturer directly and comply with their warranty process, which may include overseas product assessment.
C. Proof of purchase is required to lodge a manufacturer warranty claim.
D. Assistance provided by Xhunter Australia in lodging warranty claims is a goodwill service only and does not imply liability for warranty outcomes or decisions.

Nothing in this clause limits your rights under Australian Consumer Law.
Xhunter Australia remains responsible for providing legally required remedies for products that fail to meet the consumer guarantees of acceptable quality, fitness for purpose, and reasonable durability.

9. Privacy

Your personal information is collected, used, and stored in accordance with our Privacy Policy.

10. Intellectual Property

All text, graphics, logos, and images on this website remain the property of Xhunter Australia and are protected by copyright laws.

11. Amendments

We may update or modify these Terms and Conditions at any time without prior notice. Continued use of our site constitutes acceptance of any updated Terms.

12. Governing Law

These Terms and Conditions are governed by the laws of Victoria, Australia. Any disputes will be handled exclusively by the courts of Victoria.

13. 18+ Age Requirement

By placing an order, you confirm that you are at least 18 years of age and legally entitled to purchase the products ordered. We may cancel any order that breaches this requirement.

Lyman Ly-Cg223 Case Length Headspace Gauge .223 Remington Hardened Steel

Secure Payment Methods