Can I use the Hornady Neck Wall Thickness Gauge as a standalone tool on my reloading bench?

No, this product cannot function on its own. It requires the Hornady Lock-N-Load Concentricity Tool (Item #050076) to operate, as it installs directly onto that chassis by replacing the standard bullet spindle.

What calibre ranges are supported out of the box with the included pilots?

The gauge ships with 10 case trimmer pilots that accommodate bottleneck rifle brass ranging from .22 calibre up to .45 calibre. Specifically, it includes pilots for .224, 6mm, .257, 6.4mm, .270, 7mm, .308, .338, .358, and .452 calibres.

Does this gauge physically correct or trim uneven neck wall thicknesses?

No, this instrument is purely diagnostic and only measures neck wall thickness variations to 0.0005-inch increments. If you find brass that exceeds your tolerance limits, you will need to use a dedicated turning platform such as the Hornady Lock-N-Load Neck Turning Tool to shave off the excess material.

Are there any special electrical or import permits required for this tool in Australia?

Because this manual mechanical measurement instrument operates entirely via an analogue dial and manual spindle rotation, it requires no mains power, batteries, or electrical certifications like SAA or RCM. Furthermore, handloading accessories of this type carry no federal or state import permits or licensing restrictions for sport shooters across Australia.

Neck Thickness Gauge - Hornady 041223

The Hornady Lock-N-Load® Neck Wall Thickness Gauge (Model: 041223) is a precision diagnostic measurement accessory designed for the reloading bench. Built to convert the Hornady Lock-N-Load® Concentricity Tool into an inspection station, this mechanical gauge installs directly onto the host tool chassis by replacing the standard bullet spindle. It provides accurate, manual readings of cartridge case neck wall variations, enabling handloaders to sort brass cases into uniform batches or verify the consistency of neck-turning operations without electrical power or batteries.

Precision Dial Readout: Features an analogue dial indicator graduated in 0.0005-inch increments to detect minor neck wall thickness variations and runout.
Comprehensive Calibre Coverage: Ships with 10 case trimmer pilots accommodating bottleneck rifle brass from .22 calibre (.224") up to .45 calibre (.452").
Direct Chassis Integration: Mounts directly onto the Hornady Lock-N-Load® Concentricity Tool (Item #050076) frame for stable, repeatable spindle rotation.
Manual Mechanical Operation: Requires no 240V mains power, internal batteries, or electrical regulatory approvals for use on Australian reloading benches.

Specifications

Model Number: 041223
Measurement Resolution: 0.0005-inch increments
Dimensions: 13.65 cm L × 8.26 cm W × 5.72 cm H (5.38" L × 3.25" W × 2.25" H)
Weight: 0.29 kg to 0.30 kg (approx. 0.60–0.65 lbs)
Required Host Platform: Hornady Lock-N-Load® Concentricity Tool (Item #050076)
Included Pilot Sizes: Pilot 1 (.22 cal / .224"), Pilot 3 (6mm / .243"), Pilot 4 (.25 cal / .257"), Pilot 5 (6.5mm / .264"), Pilot 6 (.270 cal / .277"), Pilot 7 (7mm / .284"), Pilot 9 (.30 cal / .308"), Pilot 13 (.338 cal / .338"), Pilot 15 (.35 cal / .358"), Pilot 19 (.45 cal / .452")

Who is the Hornady Neck Wall Thickness Gauge for?

Precision rifle handloaders sorting brass batches — Resolves neck wall thickness variations down to 0.0005-inch increments across calibres ranging from .22 calibre up to .45 calibre, allowing reloaders to isolate inconsistent cases using this neck wall thickness gauge before loading.
Reloaders verifying brass neck-turning consistency — Provides 0.0005-inch increment dial verification across bottleneck brass from .22 calibre (.224") to .45 calibre (.452") to confirm uniform material removal following operations on a brass neck-turning platform.

Less suitable for: Handloaders who do not own the required base Concentricity Tool platform, as this gauge cannot function as a standalone unit (better served by a standalone bench-mounted ball or tubing micrometer); reloaders working with calibres smaller than .224" or larger than .452" (requiring dedicated sub-calibre micrometers); or users seeking to trim out-of-spec brass directly on the tool, as this diagnostic device cannot cut or true metal (requiring a dedicated neck-turning tool platform).

SKU	HN42495LP
Model #	041223
Brand	Hornady
Shipping Weight	1.0000kg

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Hornady 041223 Neck Wall Thickness Gauge 0.0005 Inch Resolution

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