Choosing our next .308 Win AR-10 barrel. Help!

Published on May 13, 2018
Duration: 23:47

This video guides viewers through selecting a new .308 Winchester barrel for an AR-10 platform, narrowing down options to five contenders. The instructor discusses barrel length preferences (20-inch favored), twist rates, barrel profiles, and gas block diameters. Key considerations include the integrated bolt offerings from JP Enterprises and the reputation for accuracy from Krieger and Criterion.

Quick Summary

When selecting a .308 Winchester barrel for an AR-10, key considerations include a 20-inch length, a 1:10 twist rate, and a standard gas block diameter. Brands like JP Enterprises, Criterion, and Krieger are highly regarded, with JP offering integrated headspaced bolts that can be upgraded for enhanced performance.

Chapters

  1. 00:00Introduction: Choosing a .308 AR-10 Barrel
  2. 01:08Previous Poll Results: Barrel Length & Brands
  3. 02:13Eliminated Options: Rainier Arms & Lilja
  4. 04:15Top Contenders: Criterion Options
  5. 05:59New Option: JP Enterprises Barrels & Bolts
  6. 09:00JP Enterprises High-Pressure Bolts
  7. 10:05JP Enterprises Clearance Barrels
  8. 12:06New Option: Krieger Barrels
  9. 13:18Krieger Chamber Options: Standard vs. Obermeyer
  10. 14:37Schillen Drop-In Barrel
  11. 16:29Faxon Heavy Fluted Barrel
  12. 18:38Instructor's Ranking: JP, Criterion, Krieger, Schillen, Faxon
  13. 22:03Cost Analysis & Final Decision Timeline
  14. 23:21Conclusion & Viewer Call to Action

Frequently Asked Questions

What barrel length is recommended for a .308 Winchester AR-10 build?

Based on viewer polls, a 20-inch barrel length is the overwhelming preference for a .308 Winchester AR-10 build. This length offers a good balance between velocity and maneuverability for the cartridge.

What are the key factors to consider when choosing an AR-10 barrel?

Key factors include barrel length (20-inch favored for .308), twist rate (1:10 is common), barrel profile (heavier profiles often preferred for gas guns), and gas block diameter (.750-inch is standard). Integrated headspaced bolts are also a significant consideration.

Which barrel brands are considered top contenders for a .308 AR-10 build?

Top contenders discussed include JP Enterprises (especially with their integrated bolts), Criterion (known for value and accuracy), Krieger (legendary for accuracy), Schillen (good confidence, includes bolt), and Faxon (popular but with higher risk of variable performance).

What is the advantage of a JP Enterprises barrel with an integrated bolt?

JP Enterprises Super Match barrels come with an individually headspaced enhanced bolt assembly. This ensures proper fit and function, and offers the potential to upgrade to a high-pressure bolt for improved primer support and reduced primer flow.

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