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SEB Shooting Products Australia are committed to supplying the finest quality products to Australian shooters. The SEB – NEO and MAX rests and the JOY-pod bipod are internationally renowned for their quality and engineering.

Micro HS Neck Bushings

Micro HS Neck Bushings

$ 75.00 inc. GST

Delta Carbon Precision – No Oil Lube

$ 45.00 inc. GST
Delta Carbon No Oil Neck Turning Lubricant
Cortina Precision Micro HS Full Length Sizing Die

Micro HS Full Length Sizing Die

$ 535.00 inc. GST

Micro HS Full Length Sizing Die

$ 535.00 inc. GST

The Cortina Precision Micro HS Full Length Sizing Die is a precision reloading tool that provides unparalleled control over reloaded ammunition quality.

Note: Die does not come with bushings, don’t forget to add your bushing to your order!

** If we don’t have your size in stock, please let us know and we will order it for you**

Micro HS Neck Bushings – SEB Australia (

For more information, watch product video here.


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The Micro HS Full Length Sizing Die is a precision reloading tool designed for avid shooters and reloaders seeking unparalleled control over their ammunition quality. This die is an essential component for reloading cartridges, offering meticulous case resizing and customization to optimize case to chamber fit and overall performance.

When used in conjunction with the Cortina Precision mandrel dies, you will experience a new level of neck tension consistency as well as a remarkable improvement in sizing consistency and ease of both chambering reloaded rounds and extracting fired rounds.

The micrometer adjustment speeds up dialing in your perfect headspace requirement eliminating the trial and error of moving the lock ring on most other die brands. This feature also makes it easy to accurately change headspace adjustment across different same caliber rifles where in the past some shooters would carry multiple dies of the same caliber to cater for varying chambers, one die now does it all.

Sizing Die Key Features:

  1. Micrometer Precision: At the core of this sizing die lies its micrometer adjustment mechanism. It boasts an integrated micrometer head that provides minute control over case resizing. With easy-to-read measurements and precise markings, you can fine-tune your cartridge dimensions with exceptional accuracy, ensuring a perfect fit for your firearm’s chamber.
  2. Robust Construction: Crafted from 17-4 stainless steel, this sizing die is engineered for durability and longevity. Its rugged design can withstand the demands of high-volume reloading while maintaining consistent performance. Additionally, its resistance to corrosion ensures it will endure various environmental conditions.
  3. Smooth Resizing: The interior surface of the die is expertly polished and nitride coated. This combination ensures a smooth, uniform resizing process, minimizing the risk of case neck deformation and enhancing concentricity for superior accuracy.
  4. Extended Case Life: The precise resizing achieved with this die minimizes stress on your cartridge cases, resulting in increased case life. By preventing cracks and overworking the brass, you can maximize the usability of your brass cases for multiple reloading cycles.  We recommend annealing your brass every time you fire it.
  5. Versatile Compatibility: Although this die can be adapted to various calibers and cartridge types, it is particularly suitable for those who seek consistent results across different firearm platforms. Its compatibility with a wide range of reloading presses makes it a versatile addition to any reloading setup.
  6. User-Friendly Design: Setting up and using this die is a straightforward process. The micrometer head allows easy adjustments, and the die comes with clear, user-friendly instructions to accommodate reloaders of all experience levels.
  7. Reliability and Consistency: The Full Lenth Micrometer Sizing Die is engineered to deliver unwavering reliability and consistent results, shot after shot. It ensures uniformity in case dimensions, translating to improved accuracy and tighter shot groupings downrange.

Whether you are a competitive shooter, a precision enthusiast, or simply someone who takes reloading seriously, the Micro HS Full Length Sizing Die is your go-to tool for achieving unparalleled control and consistency in your ammunition. Elevate your shooting experience, enhance precision, and optimize your ammunition with this exceptional micrometer sizing die. Upgrade your reloading process today to achieve ammunition tailored to your exacting standards.

Full Length Sizing Die Notes:

* Cortina Precision reloading dies proprietary bushings, standard bushings are not compatible.

*If you intend on using a mandrel for the ultimate in neck tension sizing, it is important to select a neck bushing that will undersize the neck (i.e. if you normally use a .336 bushing, it is best to select a smaller bush, such as a .332 – .334) and allow the mandrel to perfectly expand the inside diameter of your case necks.

*For correct PRC caliber chamber selection:

  • 6.5 PRC Ⅰ , 7 PRCW Ⅰ- .532 chambers at .200″ line.
  • 6.5 PRC Ⅱ, 7 PRCW Ⅱ- .535 chambers at .200″ line.

Order Bushings Here: Micro HS Neck Bushings – SEB Australia (

Expanding Mandrel Dies – SEB Australia (

Additional information


6 BR, 6 BRA, 6 Dasher, 6 GT, 6 Creedmoor, 6.5 Creedmoor, 308 Winchester, 284 Winchester, 284 Shehane, 6.5 PRC 1 – 7 PRCW 1, 6.5 PRC 2 – 7 PRCW 2, 7 SAUM, 300 WSM

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