AR vs AK comparison with FASTEST shooter ever, Jerry Miculek: Part 2

Published on February 13, 2013
Duration: 14:33

This expert guide, featuring world-record shooter Jerry Miculek, details the internal differences between AR-15 and AK-style rifles. It covers bolt lug design, gas system operation (direct impingement vs. long-stroke piston), and a comparative analysis of trigger pulls, from stock configurations to competition-grade upgrades. The video highlights the AR's modularity and accuracy potential versus the AK's renowned reliability in adverse conditions.

Quick Summary

Jerry Miculek compares the AR-15 and AK-47, highlighting the AR's 7-lug bolt and direct impingement gas system against the AK's 2-lug bolt and long-stroke piston. Stock AK triggers pull around 3.5-4 lbs, while AR triggers are heavier near 8 lbs. The AK's looser tolerances enhance reliability in dirty conditions.

Chapters

  1. 00:00Intro & Field Stripping AR vs AK
  2. 00:26Bolt Lug Comparison: AR-15 vs AK
  3. 01:30Gas System Differences: DI vs Piston
  4. 03:41AK Trigger Pull Analysis
  5. 04:59AR-15 Stock Trigger Pull
  6. 06:04Competition AR Trigger Upgrade
  7. 07:50Platform Modularity: AR vs AK
  8. 08:57AK Ammunition Evolution: 7.62x39 to 5.45x39
  9. 10:15AR Ammunition: M193 vs M855 Penetrator
  10. 11:04Final Comparison: AR vs AK Strengths

Frequently Asked Questions

What are the main differences in the bolt design between an AR-15 and an AK-47?

The AR-15 bolt features seven lugs requiring less rotation to lock. In contrast, the AK system uses two lugs with significantly more clearance, which enhances reliability when the rifle is heavily fouled with dirt or debris.

How do the gas systems of the AR-15 and AK-47 compare?

The AR-15 utilizes a direct impingement system, where hot gas travels through a tube directly into the bolt carrier. The AK-47 employs a more robust long-stroke piston system, where a piston attached to the bolt carrier moves within a cylinder, driven by gas.

What are the typical trigger pull weights for stock AR-15 and AK-47 rifles?

Stock AK-47 triggers generally have a pull weight around 3.5 to 4 lbs with a long, curved motion. Stock AR-15 triggers are typically heavier, often near 8 lbs, but have a shorter physical travel distance.

Which rifle platform is considered more reliable in adverse conditions?

The AK-47 platform is widely considered more reliable in adverse conditions due to its simpler long-stroke piston system and looser internal tolerances, which allow it to function better when dirty compared to the AR-15's direct impingement system.

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