Daniel Defense M4V11LW 5000rds Later: LOVE and HATE!

Published on January 12, 2017
Duration: 13:19

This expert analysis from AK Operators Union's Rob Ski details the performance of the Daniel Defense M4V11LW after a rigorous 5000-round endurance test. It covers critical aspects like long-range accuracy (achieving 0.931 MOA at 500 yards), the impact of a lightweight barrel, and potential issues such as rail shifting after stress tests. The assessment provides deep insights into internal component wear and overall reliability under demanding conditions, offering valuable data for firearm enthusiasts and professionals.

Quick Summary

The Daniel Defense M4V11LW demonstrated remarkable accuracy after a 5000-round endurance test, achieving 0.931 MOA at 500 yards. While the lightweight barrel performed well, a potential issue with rail alignment shifting after drop tests was identified, impacting accessory zero. Internal components like the BCG showed expected wear but remained functional.

Chapters

  1. 00:12Introduction and Overview
  2. 01:06100-Yard Accuracy Testing
  3. 01:46500-Yard Accuracy Testing
  4. 02:38Rail Shifting Issues
  5. 04:54Lightweight Barrel Performance
  6. 07:17Internal Component Inspection
  7. 08:31Firing Pin and Cam Pin Wear
  8. 09:14Bolt and Gas Rings
  9. 10:40Buffer, Trigger, and Chamber

Frequently Asked Questions

How accurate was the Daniel Defense M4V11LW after 5000 rounds?

After 5000 rounds without cleaning, the Daniel Defense M4V11LW achieved a 1.296 MOA group at 100 yards and an impressive 0.931 MOA group at 500 yards when tested with Black Hills 77gr OTM ammunition.

What potential issues were identified with the Daniel Defense M4V11LW during the 5000-round test?

A significant issue noted was rail alignment shifting after drop tests, which could compromise the zero of mounted accessories like lasers. Heavy carbon fouling was also observed but did not impede function.

How did the lightweight barrel of the M4V11LW perform under stress?

The lightweight barrel performed well, maintaining accuracy even when heated during sustained fire, challenging the notion that heavier barrels are always superior for accuracy under demanding conditions.

What was the condition of the bolt carrier group (BCG) after 5000 rounds?

The BCG showed expected carbon buildup but remained functional. Crucially, the gas keys were properly staked, and the locking lugs exhibited no cracks or deformations, indicating good build quality.

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