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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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Not available.
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)
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)
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)
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 3 £39.90 *
Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse
Specs: Caliber: 30 Caliber (.308)
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)
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)
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 5 £39.90 *
Delivery time approx. 7-14 days.
5 pcs. in the USA warehouse
Specs: Caliber: 243/6 mm (.243)
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 3 £39.90 *
Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse
Specs: Caliber: 284/7 mm (.284)
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 0 £39.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Caliber: 338 Caliber (.338)
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 0 £39.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Caliber: 264/6.5 mm (.264)
Product no.: 100050119
SHORT ACTION CUSTOMS 25 CALIBER MODULAR HEADSPACE COMPARATOR BULLET INSERT
Mfr Part: SAC25BI 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)
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

🎯 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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