Ballistic Advantage 5.45x39mm Barrels

Published on October 30, 2017
Duration: 6:03

This review focuses on Ballistic Advantage's 5.45x39mm barrels for the AR-15 platform. The video explains the 5.45x39mm cartridge as the Russian equivalent of 5.56x45mm, originating from the AK-74. While historically cost-effective, ATF import restrictions have impacted surplus ammunition pricing. The review highlights the need for a specific 5.45x39mm bolt and dedicated magazines due to dimensional differences and potential corrosive primers in surplus ammo. Ballistic Advantage barrels are constructed from durable 4150 chromoly steel with M4 feed ramps featuring Fail Zero nickel boron coating for corrosion resistance. Available lengths include 10.5 and 16 inches.

Quick Summary

The 5.45x39mm cartridge is the Russian counterpart to the 5.56x45mm NATO round. While similar, it requires a dedicated bolt and magazines for AR-15 platforms due to dimensional differences. Many surplus rounds contain corrosive primers, making a nickel boron-coated bolt essential. Ballistic Advantage offers 5.45x39mm barrels in 10.5" and 16" lengths, made from 4150 chromoly steel with corrosion-resistant M4 feed ramps.

Chapters

  1. 00:10Introduction to 5.45x39mm Barrels
  2. 00:20What is 5.45x39mm?
  3. 00:41Ammunition Cost & ATF Impact
  4. 01:275.45x39mm vs 5.56x45mm Comparison
  5. 01:59Chambering Safety
  6. 02:02About Ballistic Advantage
  7. 02:16Required Components: Bolt & Magazines
  8. 02:24Corrosive Primers & Bolt Coating
  9. 03:02Dedicated 5.45x39mm Magazines
  10. 03:12Performance of 5.45x39mm
  11. 03:51Ballistic Advantage Barrel Offerings
  12. 04:30The 'Dragon' Effect (Muzzle Flash)
  13. 04:56Hard Primers & Hammer Springs
  14. 05:12Barrel Construction & Specs
  15. 05:34Pricing & Availability

Frequently Asked Questions

What is the 5.45x39mm cartridge and how does it compare to 5.56x45mm?

The 5.45x39mm is the Russian equivalent of the 5.56x45mm NATO round, originating from the AK-74. While dimensionally similar, it features a different case geometry and a longer bullet. Importantly, neither round will chamber in the other's respective barrel, ensuring safety.

Why are dedicated components needed for an AR-15 chambered in 5.45x39mm?

An AR-15 chambered in 5.45x39mm requires a specific bolt due to dimensional differences. Additionally, many surplus 5.45x39mm rounds have corrosive primers, necessitating a bolt with a corrosion-resistant coating like nickel boron. Dedicated magazines are also recommended for reliable feeding.

What are the key features of Ballistic Advantage 5.45x39mm barrels?

Ballistic Advantage 5.45x39mm barrels are made from durable 4150 chromoly steel. They feature M4 feed ramps coated with Fail Zero nickel boron for enhanced corrosion resistance. These barrels are available in 10.5-inch and 16-inch lengths.

Has the ATF impacted the availability and cost of 5.45x39mm ammunition?

Yes, the ATF's classification of 5.45x39mm as an armor-piercing pistol round led to import restrictions, which significantly affected the surplus market. While prices have risen, it can still be found for around 20 cents per round, often making it cheaper than 5.56x45mm.

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