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SHORT ACTION CUSTOMS
MODULAR HEADSPACE COMPARATOR BULLET INSERTS

100050121
Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.  
38.9 39.9 13 GBP
Product no.: 100050121
SHORT ACTION CUSTOMS 17 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC-17BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
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Specs: Caliber: 17 Caliber (.177)

Top takeaways

  1. The bullet inserts require a separately purchased Modular Headspace Comparator Body.
  2. They feature a 3.0 degree "lead angle" for precise measurement, mimicking barrel contact.
  3. Made from 17-4 Stainless Steel for consistent and accurate measurements of bullets and ammunition.

Attributes

Caliber: 17 Caliber (.177) Delivery weight: 0.039kg

Item details

Made in USA



Product no.: 100050120
SHORT ACTION CUSTOMS 20 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC20BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 1 £39.90 *
Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse
Specs: Caliber: 20 Caliber (.204)

Top takeaways

  1. The bullet inserts require a separately purchased Modular Headspace Comparator Body to function.
  2. These bullet inserts utilize a 3.0 degree "lead angle" for precise measurements that mimic the contact point within a barrel.
  3. Constructed from 17-4 Stainless Steel for durability and accuracy, these inserts are designed for 20 Caliber (.204) measurements.

Attributes

Caliber: 20 Caliber (.204) Delivery weight: 0.036kg

Item details

Made in USA

Product no.: 100050122
SHORT ACTION CUSTOMS 22 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC22BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 3 £39.90 *
Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse
Specs: Caliber: 22 Caliber (.223-.224)

Top takeaways

  1. The bullet inserts require a separately purchased Modular Headspace Comparator Body.
  2. They feature a unique 3.0 degree "lead angle" for precise contact with the bullet's ogive.
  3. Made from 17-4 Stainless Steel, these inserts ensure accurate measurements of bullets and loaded ammunition.

Attributes

Caliber: 22 Caliber (.223-.224) Delivery weight: 0.036kg

Item details

Made in USA

Product no.: 100050117
SHORT ACTION CUSTOMS 22 CAL STRAIGHT MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC-22SBI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
38.9 GBP 1 £38.90 *
Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse
Specs: Caliber: 22 Caliber (.223-.224)

Top takeaways

  1. The bullet inserts require a separately purchased Modular Headspace Comparator Body.
  2. They feature a unique 3.0 degree "lead angle" for precise bullet ogive measurement, mimicking barrel contact.
  3. Made from 17-4 Stainless Steel, these inserts provide accurate measurements for .22 caliber bullets and loaded ammunition.

Attributes

Caliber: 22 Caliber (.223-.224) Delivery weight: 0.036kg

Item details

Made in USA

Product no.: 100050129
SHORT ACTION CUSTOMS 30 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC30BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 14 £39.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 30 Caliber (.308)

Top takeaways

  1. The bullet inserts require a separately purchased Modular Headspace Comparator Body.
  2. They feature a unique 3.0 degree "lead angle" for precise bullet ogive measurement, mimicking barrel contact.
  3. Made from 17-4 Stainless Steel, these 30 Caliber inserts ensure accurate measurements for bullet and ammo consistency.

Attributes

Caliber: 30 Caliber (.308) Delivery weight: 0.034kg

Item details

Made in USA

Product no.: 100050128
SHORT ACTION CUSTOMS 338 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC338BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 1 £39.90 *
Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse
Specs: Caliber: 338 Caliber (.338)

Top takeaways

  1. The .338 Caliber Modular Headspace Comparator Bullet Insert is designed to measure bullets with a unique 3.0 degree lead angle for precise contact, mimicking barrel contact.
  2. It is necessary to purchase the Modular Headspace Comparator Body separately to use these bullet inserts.
  3. These bullet inserts are manufactured from 17-4 Stainless Steel, ensuring durability and accuracy for measuring bullets and loaded ammunition.

Attributes

Caliber: 338 Caliber (.338) Delivery weight: 0.034kg

Item details

Made in USA

Product no.: 100050126
SHORT ACTION CUSTOMS 375 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC375BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 9 £39.90 *
Delivery time approx. 7-14 days.
9 pcs. in the USA warehouse
Specs: Caliber: 375 Caliber (.375)

Top takeaways

  1. The .375 Caliber Modular Headspace Comparator Bullet Insert requires a separately purchased Modular Headspace Comparator Body.
  2. It features a unique 3.0 degree "lead angle" for precise bullet ogive measurements, mimicking actual barrel contact.
  3. These bullet inserts are made from 17-4 Stainless Steel, ensuring accurate measurements for bullet and ammunition consistency.

Attributes

Caliber: 375 Caliber (.375) Delivery weight: 0.032kg

Item details

Made in USA

Product no.: 100050127
SHORT ACTION CUSTOMS 416 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC416BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 1 £39.90 *
Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse
Specs: Caliber: 416 Caliber (.416)

Top takeaways

  1. The 416 Caliber Modular Headspace Comparator Bullet Insert requires a separately purchased Modular Headspace Comparator Body.
  2. It features a unique 3.0 degree "lead angle" for precise bullet ogive measurement, mirroring the contact of a barrel.
  3. These bullet inserts are made from 17-4 Stainless Steel, ensuring accuracy in measuring bullets and loaded ammunition.

Attributes

Caliber: 416 Caliber (.416) Delivery weight: 0.029kg

Item details

Made in USA

Product no.: 100050124
SHORT ACTION CUSTOMS 6.5MM MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC65MMBI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 3 £39.90 *
Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse
Specs: Caliber: 264/6.5 mm (.264)

Top takeaways

  1. The 6.5mm Modular Headspace Comparator Bullet Insert requires a separately purchased Modular Headspace Comparator Body.
  2. It features a unique 3.0 degree "lead angle" to measure the bullet's ogive consistently, emulating contact like a 6.5mm chambered barrel.
  3. These bullet inserts are made from 17-4 Stainless Steel, providing accurate measurements for bullets and loaded ammunition.

Attributes

Caliber: 264/6.5 mm (.264) Delivery weight: 0.036kg

Item details

Made in USA

Product no.: 100050125
SHORT ACTION CUSTOMS 6MM MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC6MMBI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 6 £39.90 *
Delivery time approx. 7-14 days.
6 pcs. in the USA warehouse
Specs: Caliber: 243/6 mm (.243)

Top takeaways

  1. The Modular Headspace Comparator Bullet Inserts require a separately purchased Modular Headspace Comparator Body.
  2. These bullet inserts utilize a 3.0 degree "lead angle" for precise contact with the bullet's ogive, mirroring the barrel's interaction.
  3. Made from 17-4 Stainless Steel, the 6mm insert starts at .266" and tapers to .256" diameter, ensuring accurate measurements for consistency.

Attributes

Caliber: 243/6 mm (.243) Delivery weight: 0.036kg

Item details

Made in USA

Product no.: 100050123
SHORT ACTION CUSTOMS 7MM MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC7MMBI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
39.9 GBP 4 £39.90 *
Delivery time approx. 7-14 days.
4 pcs. in the USA warehouse
Specs: Caliber: 284/7 mm (.284)

Top takeaways

  1. The 7mm Modular Headspace Comparator Bullet Insert requires a separately purchased Modular Headspace Comparator Body.
  2. It features a unique 3.0 degree "lead angle" for precise contact with the bullet's ogive, mimicking barrel contact for accurate measurements.
  3. Constructed from 17-4 Stainless Steel, it offers a highly accurate method to measure bullets and ammunition for consistency.

Attributes

Caliber: 284/7 mm (.284) Delivery weight: 0.036kg

Item details

Made in USA


Product no.: 100050119
SHORT ACTION CUSTOMS 25 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC-25BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
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Not available.
Specs: Caliber: 25 Caliber (.250)

Top takeaways

  1. The 25 Caliber Modular Headspace Comparator Bullet Insert requires the separate purchase of the Modular Headspace Comparator Body.
  2. It features a unique 3.0 degree "lead angle" for precise bullet ogive measurement, mimicking the contact point of a barrel.
  3. Constructed from 17-4 Stainless Steel for accurate measurement of bullets and loaded ammunition.

Attributes

Caliber: 25 Caliber (.250) Delivery weight: 0.036kg

Item details

Made in USA

Product no.: 100050118
SHORT ACTION CUSTOMS 27 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC-27BI Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.
Notify on availability
Not available.
Specs: Caliber: 27 Caliber

Top takeaways

  1. The 27 Caliber Modular Headspace Comparator Bullet Insert requires a separately purchased Modular Headspace Comparator Body.
  2. This unique bullet comparator uses a 3.0 degree "lead angle" for precise measurement, mimicking the contact point of a barrel's ogive.
  3. The bullet inserts are manufactured from 17-4 Stainless Steel for consistent and accurate measurements of bullets and loaded ammunition.

Attributes

Caliber: 27 Caliber Delivery weight: 0.034kg

Item details

Made in USA

🎯 Achieve unparalleled precision with the 17 Caliber Modular Headspace Comparator Bullet Inserts by SHORT ACTION CUSTOMS, LLC. Get the accuracy edge! 📏✅

Bullet Inserts for your Modular Headspace Comparator ***Requires Modular Headspace Comparator Body*** The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.  
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£39.90 * £39.90 - £41.90*
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