The New 338 ARC A New Round From Hornady

Published on April 4, 2025
Duration: 1:15

This video introduces Hornady's new 338 ARC cartridge, highlighting its significant performance increase over the 300 Blackout. The 338 ARC delivers 1.5 times the energy, utilizes a 307-grain subsonic projectile for enhanced penetration, and maintains accuracy out to 400-600 yards with a low velocity spread. A key advantage is its compatibility with 9mm suppressors and pressure-matched subsonic/supersonic loads, minimizing tuning needs.

Quick Summary

Hornady's new 338 ARC cartridge offers a significant upgrade over the 300 Blackout, delivering 1.5 times the energy and utilizing a heavy 307-grain subsonic projectile for enhanced penetration. It maintains accuracy out to 600 yards and is compatible with 9mm suppressors, with pressure-matched loads simplifying tuning.

Chapters

  1. 00:00Introduction to 300 Blackout
  2. 00:04Introducing the 338 ARC
  3. 00:16338 ARC Performance Metrics
  4. 00:26338 ARC Projectile Details
  5. 00:39Suppressor Compatibility
  6. 00:48Ammunition Tuning
  7. 00:57Future Testing

Frequently Asked Questions

What makes the new 338 ARC cartridge significant?

The 338 ARC is significant because it delivers 1.5 times the energy of the 300 Blackout while remaining compatible with the AR-15 platform. It also features a heavy 307-grain subsonic projectile for enhanced performance and can utilize 9mm suppressors.

How does the 338 ARC compare to 300 Blackout in terms of energy and penetration?

The 338 ARC offers substantially more energy, approximately 1.5 times that of the 300 Blackout. It uses a heavier 307-grain subsonic projectile, which is designed to hit harder and punch deeper, providing superior penetration capabilities.

Can the 338 ARC be used with suppressors, and what kind?

Yes, the 338 ARC is designed for suppressor use. A notable feature is its compatibility with standard 9mm suppressors when firing subsonic rounds, eliminating the need for specialized and potentially more expensive 338 caliber suppressors.

What are the advantages of the 338 ARC's pressure-matched ammunition loads?

The 338 ARC features pressure-matched subsonic and supersonic loads. This means users don't need to perform extensive tuning when switching between different types of ammunition or bullets, simplifying the shooting experience.

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