What cartridge sizes is the Redding Slant Bed Concentricity Gauge capable of handling?

The Redding Slant Bed Concentricity Gauge is built to accommodate an extensive range of cartridge cases, starting from the small .17 Hornet all the way up to large magnums like the .408 CheyTac. This broad capacity ensures you can inspect everything from small varmint rounds to large precision rifle calibers on the same benchtop setup.

Can I configure this concentricity gauge for left-handed use on my reloading bench?

Yes, the Redding 26100R features a fully reversible setup that allows you to easily reconfigure it for either right-handed or left-handed operation. By simply switching the slider blocks and the indicator post position, you can customize the layout to suit your dominant hand and workspace ergonomics.

Does this gauge actively straighten out-of-true ammunition, or is it strictly for measurement?

This tool is strictly an inspection device designed to measure total indicated runout (TIR) on cartridge cases and completed rounds using its 0.001-inch graduated dial indicator. It does not possess a correction mechanism to physically straighten finished ammunition; if you need to actively correct runout, a dedicated runout correction tool is required instead.

Does the Redding Slant Bed Concentricity Gauge require any electrical compliance or battery power in Australia?

The unit is 100% mechanical and manual, meaning electrical compliance requirements such as 240V mains, SAA approvals, and RCM electrical markings do not apply. It operates entirely without batteries or electrical supply, making it straightforward to use anywhere in your workshop.

Concentricity Gauge - Redding 26100R

The Redding Slant Bed Concentricity Gauge is a mechanical reloading tool engineered to measure total indicated runout (TIR) on unprimed or resized cartridge cases and completed rounds. Built on an ergonomic tilted bed with a fixed 30-degree indicator sight angle, the unit allows reloaders to smoothly rotate cases downward against precision stainless steel ball bearings using natural finger pressure. Its mechanical dial indicator eliminates parallax errors to deliver quick, repeatable runout measurements across cases ranging from .17 Hornet up to .408 CheyTac.

Key Features

Ergonomic Slant Bed Layout: Positions the dual linear stainless steel guide rods and bearing supports down and away from the user, facilitating steady downward finger rotation during inspection.
Fixed 30-Degree Dial Stand: Mounts the mechanical dial indicator at a set 30-degree angle to simplify viewing and eliminate alignment guesswork.
Reversible Operation: Configurable for either right-handed or left-handed use by swapping the slider block positions and dial indicator post.
Stable Benchtop Interface: Features pre-installed non-skid rubber feet alongside four pre-drilled corner holes for permanent bolted bench mounting.
Fully Mechanical Operation: Requires no batteries or external power connections to operate.

Product Specifications

Model Number: 26100 / 26100R
Dial Indicator Resolution: 0.001-inch (0.001") graduations
Indicator Travel: 1 inch (~60 mm face diameter)
Cartridge Compatibility: .17 Hornet to .408 CheyTac
Product Dimensions: Approximately 18 × 12 × 10 cm
Product Weight: 0.805 kg (1.77 lbs)
Bearing System: Precision stainless steel ball bearings on dual stainless linear guide rods

Who is the Redding Slant Bed Concentricity Gauge for?

Precision rifle reloaders — Measures total indicated runout across cases sized from .17 Hornet to .408 CheyTac on an ergonomic reloading case concentricity gauge to quickly identify neck runout on resized brass.
Benchrest competitors — Verifies bullet runout on seated ammunition using standard 0.001-inch dial indicator graduations anchored to a rigid 1.77 lbs bench platform.

Less suitable for: Handloaders who require sub-thousandth discrimination finer than 0.001-inch increments (which requires an aftermarket ultra-fine test dial indicator instead) or reloaders looking to actively straighten out-of-true ammunition rather than inspect it (who require a dedicated mechanical runout correction tool instead).

SKU	RD41490LP
Model #	26100R
Brand	Redding
Shipping Weight	1.0000kg

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Redding 26100r Slant Bed Concentricity Gauge 0.001 In Dial

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