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Achieve precise cartridge headspace and bullet measurements with SAC's durable, corrosion-resistant 17-4 Stainless Steel inserts for the Modular Headspace Comparator.

SHORT ACTION CUSTOMS 6MM X 40° W/.273" NECK MODULAR HEADSPACE COMPARATOR INSERT

100050139
Variations
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Variations:

Variations:

Cartridge: 243/6 mm (.243) Product no.: 100050139
Not available
41.9 GBP 0 £41.90 *
-9 %
Cartridge: 22 Caliber (.223-.224) Product no.: 100050131
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 22 Caliber (.223-.224) Product no.: 100050130
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 25 Caliber (.251) Product no.: 100050133
In stock
39.9 GBP 1 £39.90 * £43.90
-6 %
Cartridge: 30 Caliber (.308) Product no.: 100050157
In stock
46.9 GBP 1 £46.90 * £49.90
-9 %
Cartridge: 30 Caliber (.308) Product no.: 100050155
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 204 Ruger Product no.: 100050132
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 30-06 Springfield Product no.: 100050163
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 300 Winchester Magnum Product no.: 100050162
In stock
39.9 GBP 3 £39.90 * £43.90
-9 %
Cartridge: 375 Cheytac Product no.: 100050170
In stock
39.9 GBP 2 £39.90 * £43.90
-9 %
Cartridge: 264/6.5 mm (.264) Product no.: 100050143
In stock
39.9 GBP 1 £39.90 * £43.90
-6 %
Cartridge: 264/6.5 mm (.264) Product no.: 100050142
In stock
46.9 GBP 1 £46.90 * £49.90
-9 %
Cartridge: 6.5 x 55 mm Swedish Mauser Product no.: 100050147
In stock
39.9 GBP 1 £39.90 * £43.90
-6 %
Cartridge: 243/6 mm (.243) Product no.: 100050136
In stock
46.9 GBP 3 £46.90 * £49.90
-9 %
Cartridge: 7 mm Remington Magnum Product no.: 100050151
In stock
39.9 GBP 2 £39.90 * £43.90
-9 %
Cartridge: 7 mm Product no.: 100050153
In stock
39.9 GBP 1 £39.90 * £43.90
Cartridge: 300 AAC Blackout Product no.: 100050159
Backorderable
49.9 GBP 0 £49.90 *
Cartridge: 243/6 mm (.243) Product no.: 100050137
Backorderable
43.9 GBP 0 £43.90 *
Cartridge: 22 Caliber (.223-.224) Product no.: 100050171
Not available
38.9 GBP 0 £38.90 *
Cartridge: 22 Caliber (.223-.224) Product no.: 100050135
Not available
38.9 GBP 0 £38.90 *
Cartridge: 223 Remington Product no.: 100050134
Not available
38.9 GBP 0 £38.90 *
39.9 49.9 43 GBP

Not available.

Product no.: 100050139

Mfr. No.: SAC-64073HSC

Notify on availability 41.9 GBP
39.9 49.9 43 GBP
Description Specification Customers reviews Accessories

SHORT ACTION CUSTOMS 6MM X 40° W/.273" NECK MODULAR HEADSPACE COMPARATOR INSERT

Notify on availability

Description:

Enhance your precision with the MODULAR HEADSPACE COMPARATOR INSERTS!

Introducing the MODULAR HEADSPACE COMPARATOR INSERTS from SHORT ACTION CUSTOMS—the ultimate solution for accurate cartridge headspace and bullet measurements.

Product Features:

  • Designed for use with the Modular Headspace Comparator Body (sold separately).
  • New modular design for enhanced accuracy.
  • Compatible with cartridges up to 338 Lapua Magnum and beyond.
  • Precision machined from 17-4 Stainless Steel for durability and corrosion resistance.
  • Highest quality headspace and bullet measuring tools available on the market.

This newly designed Modular Headspace Comparator (MHC) is an updated version of the highly successful dedicated Headspace Comparator previously made from 6061 aluminum. With its improved design, the MHC offers unmatched versatility and precision, making it an essential tool for any gunsmith or shooting enthusiast.

Ensure your measurements are spot-on with these top-of-the-line headspace inserts. Elevate your accuracy today!



Top takeaways

  1. The Modular Headspace Comparator Inserts require a separately purchased Modular Headspace Comparator Body.
  2. These new Modular Design Inserts are precision machined from 17-4 Stainless Steel for durability and corrosion resistance, suitable for cartridges up to 338 Lapua Magnum.
  3. SHORT ACTION CUSTOMS, LLC. produces the highest quality headspace and bullet measuring tools, including the 6mm x 40° w/.273" neck Modular Headspace Comparator Insert.

Attributes

  • Cartridge:
    243/6 mm (.243)
  • Delivery weight: 0.034kg

Item details

Made in USA

Customers reviews

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Variations:

Cartridge: 243/6 mm (.243) Product no.: 100050139
Not available
41.9 GBP 0 £41.90 *
-9 %
Cartridge: 22 Caliber (.223-.224) Product no.: 100050131
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 22 Caliber (.223-.224) Product no.: 100050130
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 25 Caliber (.251) Product no.: 100050133
In stock
39.9 GBP 1 £39.90 * £43.90
-6 %
Cartridge: 30 Caliber (.308) Product no.: 100050157
In stock
46.9 GBP 1 £46.90 * £49.90
-9 %
Cartridge: 30 Caliber (.308) Product no.: 100050155
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 204 Ruger Product no.: 100050132
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 30-06 Springfield Product no.: 100050163
In stock
39.9 GBP 1 £39.90 * £43.90
-9 %
Cartridge: 300 Winchester Magnum Product no.: 100050162
In stock
39.9 GBP 3 £39.90 * £43.90
-9 %
Cartridge: 375 Cheytac Product no.: 100050170
In stock
39.9 GBP 2 £39.90 * £43.90
-9 %
Cartridge: 264/6.5 mm (.264) Product no.: 100050143
In stock
39.9 GBP 1 £39.90 * £43.90
-6 %
Cartridge: 264/6.5 mm (.264) Product no.: 100050142
In stock
46.9 GBP 1 £46.90 * £49.90
-9 %
Cartridge: 6.5 x 55 mm Swedish Mauser Product no.: 100050147
In stock
39.9 GBP 1 £39.90 * £43.90
-6 %
Cartridge: 243/6 mm (.243) Product no.: 100050136
In stock
46.9 GBP 3 £46.90 * £49.90
-9 %
Cartridge: 7 mm Remington Magnum Product no.: 100050151
In stock
39.9 GBP 2 £39.90 * £43.90
-9 %
Cartridge: 7 mm Product no.: 100050153
In stock
39.9 GBP 1 £39.90 * £43.90
Cartridge: 300 AAC Blackout Product no.: 100050159
Backorderable
49.9 GBP 0 £49.90 *
Cartridge: 243/6 mm (.243) Product no.: 100050137
Backorderable
43.9 GBP 0 £43.90 *
Cartridge: 22 Caliber (.223-.224) Product no.: 100050171
Not available
38.9 GBP 0 £38.90 *
Cartridge: 22 Caliber (.223-.224) Product no.: 100050135
Not available
38.9 GBP 0 £38.90 *
Cartridge: 223 Remington Product no.: 100050134
Not available
38.9 GBP 0 £38.90 *

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