The PWS MK111 MOD2 7.62x39 & 5.56!

Published on June 16, 2026
Duration: 12:58

This video provides a comparative review of the PWS MK111 MOD2 rifle in both 7.62x39 and 5.56x45mm calibers. It includes timed shooting drills, accuracy tests with FMJ ammunition, ballistic performance observations using watermelons, and a controlled mag dump. The presenter, with an intermediate skill level, highlights the differences in recoil, shooting feel, and accuracy between the two calibers on an otherwise identical platform, offering practical insights for potential buyers.

Quick Summary

The PWS MK111 MOD2 in 7.62x39 achieved better accuracy (1-1.3 inch groups) from its 11.85-inch barrel compared to the 5.56 variant (1.5-2 inch groups) during an FMJ accuracy test. While the 7.62x39 felt 'thumpier,' both platforms are noted for reliability and superior performance over AKs.

Chapters

  1. 00:00Introduction & AK Comparison
  2. 00:29PWS MK111 MOD2 Overview
  3. 00:47Shooting .223 Ammo
  4. 01:09Timed Shooting Drill Setup
  5. 01:18First 7.62x39 Drill Attempt
  6. 01:36Second 7.62x39 Drill Attempt
  7. 01:56Switching to 5.56 Comparison
  8. 02:017.62x39 vs 5.56 Ballistics Discussion
  9. 03:055.56 Mag Dump & Performance
  10. 03:177.62x39 Mag Dump & Performance
  11. 03:437.62x39 vs .300 Blackout Debate
  12. 04:15FRT Trigger Issues on PWS Lower
  13. 04:32Arcfire V2 & Geissele Trigger Setup
  14. 04:59PWS Gas System Adjustment Explained
  15. 05:16Watermelon Ballistics Test Setup
  16. 05:415.56 Watermelon Impact
  17. 05:587.62x39 Watermelon Impact
  18. 06:38Accuracy Test Setup & Wind
  19. 06:49Accuracy Test Results (7.62x39 & 5.56)
  20. 07:09Velocity Data & Accuracy Comparison
  21. 07:26Final Thoughts & Reliability

Frequently Asked Questions

How does the PWS MK111 MOD2 perform in 7.62x39 compared to 5.56x45mm?

The PWS MK111 MOD2 in 7.62x39 offers a 'thumpier' feel and achieved better accuracy (1-1.3 inch groups) with FMJ ammo from its 11.85-inch barrel. The 5.56 variant felt softer shooting and produced slightly larger groups (1.5-2 inches) but had a higher average velocity.

What are the key takeaways from the PWS MK111 MOD2 accuracy test?

The accuracy test showed the 7.62x39 PWS MK111 MOD2 was more accurate with standard FMJ rounds, producing tighter groups than the 5.56 version. Both platforms demonstrated good reliability, with the 7.62x39 variant having over 1,000 rounds fired without issues.

What are the pros and cons of the 7.62x39 caliber in an AR platform like the PWS MK111 MOD2?

The 7.62x39 caliber in the PWS MK111 MOD2 offers good ballistic performance and accuracy for its class. While it can feel 'thumpier' than 5.56, it's considered a superior round to .300 Blackout by the presenter and is controllable at close ranges. Its main drawbacks are potentially higher cost and less availability compared to 5.56.

What technical specifications are highlighted for the PWS MK111 MOD2?

The PWS MK111 MOD2 features an 11.85-inch barrel and an adjustable gas system where position '1' is most gas and '3' is least gas. The presenter noted the gas system adjustment numbering felt counter-intuitive.

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