Accuracy One Concentricity Gauge

$719.00 – $859.00

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The Accuracy One Concentricity Gauge allows you to measure the runout of ammunition and ammunition components.

The Concentricity Gauge measures the internal and external neck runout of your cartridge case as well as seated bullet runout. It can also measure the runout of the ogive, bearing surface and boat-tail of individual bullets and can even measure your primer pocket runout.

Our Concentricity Gauge allows you to easily check the effectiveness of your reloading equipment. It also allows you to check and organize the quality of your factory-loaded ammunition. Starting the bullet straight into the rifling of the barrel is essential for accurate shooting. The smallest improvements in your accuracy are worth every penny.

Specifications

  • Weight: 4.5 lbs
  • Dimensions (base): 4 inches x 7 inches
  • Accepts cartridges from 22 rimfire to 50BMG
Accuracy One Concentricity Gauge Features

Features

  1. Directional Drive Wheel pushes the cartridge or bullet into the stop for accurate repeatable readings with equal pressure. The replaceable rubber drive ring will not harm the cartridge or bullet.
  2. Two position bullet / cartridge stop.
  3. Ultra high precision ball bearings provide friction free movement.
  4. Heavy steel base with E-coat finish & bolt on rubber feet.
  5. Indicator stand and roller blocks ride in machined slots and are held in place by N42 Neodymium magnets which allow for very smooth, tool free adjustments.
  6. Indicator stand rides in both machined slots which allows for both internal and external measurements.
  7. Fine Adjustment Horizontal Indicator Stand will allow very smooth and fine adjustments.
  8. Indicator Stand will accept horizontal indicators that are .350″ wide or narrower, and are 1.75″ to 2.25″ from the indicator contact point to the center of the main body.
  9. Adjustable mechanical arm stop holds the arm up for one handed operation.
  10. Precision Drive Wheel has a 13:1 ratio for .22 rimfire, 7:1 for magnums, and 3.7:1 for 50BMG.
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The following video is a demonstration of the Accuracy One Concentricity Gauge. The Concentricity Gauge measures the internal and external neck runout of your cartridge case as well as seated bullet runout. It can also measure the runout of the ogive, bearing surface and boat-tail of individual bullets and can even measure your primer pocket runout.

Concentricity Gauge Indicator Options

We offer two indicator options for the Accuracy One Concentricity Gauge. These options include the Shars Indicator (Model 3030-3209), and the Mitutoyo Indicator (Model 513-402).

Shars Indicator

Specs:

  • Model #: 303-3209
  • Accuracy: 0.0005in
  • Dial Reading: 0-15-0
  • Graduation: 0.0005in
  • Measuring Force: 0.03-in
  • Face Diameter: 1.5in
  • Ball Diameter: 080in

Features:

  • Main body are made from high quality brass in satin chrome finish for long product life
  • Crucial parts are made of special non-magnetic material to have high resistance to magnetism and yield high sensitivity
  • Pivot point of the contact lever use miniature ball bearing construction to improve sensitivity and reliability
  • 180 Swiveling and two directional functions
  • Three dovetail mounting allows this indicator to be read in both horizontal and vertical position
  • Contact point with automatic reversal
  • Carbide Contact Mounted
  • Large 1-1/2″ white dial face with anti-glare finish

Mitutoyo Indicator

Specs:

  • Model #: 513-402
  • Accuracy: 0.0005in
  • Dial Reading: 0-15-0
  • Graduation: 0.0005in
  • Measuring Force: 0.03-in
  • Face Diameter: 1.5in
  • Ball Diameter: 080in

Features:

  • Anti-magnetic
  • Jeweled bearings
  • No-clutch structure
  • Water and dust resistant
  • Glare-free crystal with scratch-resistant coating
  • Metric dial faces in yellow
  • The most direct gear train design ever applied to Test Indicators means—higher level of sensitivity, reliability, repeatability and accuracy throughout tool life.
Indicator Gauge

Mitutoyo, Shars

Brand

Accuracy One

Increase Ballistic Coefficient and Consistency

Our precision reloading equipment is designed for long range shooters and reloaders that strive to reach exceptional accuracy. Incorporating the Bullet Tipping Die, Hoover Meplat Trimmer, Accuracy One Concentricity Gauge, and Precision Primer Gauge into the reloading process allows shooters to improve ballistic coefficient and consistency far beyond that achieved with factory precision ammunition.

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