• Hornady E420 Headspace Bushing 0.420" Lock-N-Load Gauge
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Hornady

Hornady E420 Headspace Bushing 0.420" Lock-N-Load Gauge

Hornady E420 Headspace Bushing 0.420" Lock-N-Load Gauge

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The Hornady E420 Headspace Bushing is a precision-machined reloading component built to 0.420" specifications for use with the Lock-N-Load Headspace Gauge. It allows reloaders to measure cases while sizing them, helping achieve a precise fit for a given firearm.

Compatible with bottleneck cases from .17 REM through belted Magnums, the bushing works with cartridges including 284 WIN, 7mm Rem MAG, 300 WIN MAG, 8mm Rem MAG, 338 WIN MAG, 375 H&H, 7mm STW, 7mm Ultra MAG, 300 Ultra Mag, 300 WSM, and 338 Ultra. It is interchangeable with all Hornady Headspace Comparator systems and requires the Hornady Headspace Comparator and calipers, sold separately.

Key Features

Brand Hornady
Model E420
Product Type Headspace Bushing
Bushing Size 0.420"
Compatibility Hornady Lock-N-Load Headspace Gauge; all Hornady Headspace Comparator systems
Case Compatibility Bottleneck cases from .17 REM through belted Magnums
Cartridge Compatibility 284 WIN, 7mm Rem MAG, 300 WIN MAG, 8mm Rem MAG, 338 WIN MAG, 375 H&H, 7mm STW, 7mm Ultra MAG, 300 Ultra Mag, 300 WSM, 338 Ultra
Material Steel
Condition New

Compatibility

  • Hornady Lock-N-Load Headspace Gauge
  • All Hornady Headspace Comparator systems
  • Bottleneck cases from .17 REM through belted Magnums
  • Cartridges: 284 WIN, 7mm Rem MAG, 300 WIN MAG, 8mm Rem MAG, 338 WIN MAG, 375 H&H, 7mm STW, 7mm Ultra MAG, 300 Ultra Mag, 300 WSM, 338 Ultra

How to use

Install the 0.420" bushing into the Hornady Lock-N-Load Headspace Gauge, then use the gauge with calipers to measure cases while sizing them for a precise fit in a firearm.

Frequently asked questions

What is the Hornady E420 Headspace Bushing used for?

It is used with the Hornady Lock-N-Load Headspace Gauge to measure cases while sizing them, helping achieve a precise fit in a firearm.

Which cartridges does the 0.420" bushing work with?

It works with 284 WIN, 7mm Rem MAG, 300 WIN MAG, 8mm Rem MAG, 338 WIN MAG, 375 H&H, 7mm STW, 7mm Ultra MAG, 300 Ultra Mag, 300 WSM, and 338 Ultra, as well as bottleneck cases from .17 REM through belted Magnums.

Is the bushing compatible with other Hornady headspace tools?

Yes, it is interchangeable with all Hornady Headspace Comparator systems.

What else is needed to use this bushing?

The Hornady Headspace Comparator and calipers are required and are sold separately.

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