WWSD2020 - Full Auto Torture Test

Published on September 11, 2020
Duration: 7:01

This video details a full-auto torture test of the WWSD2020 rifle, featuring the KE Arms KP-15 polymer lower and a JP Silent Captured Spring. The rifle endured 210 rounds in full auto under extreme heat in Arizona, demonstrating remarkable reliability and durability. The carbon fiber handguard remained handleable, and the polymer lower showed no signs of melting or deformation, highlighting the build's robust design and material resilience.

Quick Summary

The WWSD2020 rifle, featuring a KP-15 polymer lower and JP Silent Captured Spring, endured a 210-round full-auto torture test in extreme heat without malfunctions. The polymer lower resisted melting, and the carbon fiber handguard remained handleable, demonstrating exceptional durability and heat management.

Chapters

  1. 00:00Introduction to KP-15 and WWSD2020
  2. 02:30Full-Auto Torture Test
  3. 03:55Post-Test Analysis and Durability

Frequently Asked Questions

What is the WWSD2020 rifle tested in this video?

The WWSD2020 rifle tested is a lightweight build featuring the KE Arms KP-15 polymer lower receiver, a carbon fiber handguard, a Faxon pencil barrel, a Young Manufacturing chrome bolt carrier group, and a JP Silent Captured Spring. It was configured for full-auto testing.

How did the KP-15 polymer lower perform in the full-auto torture test?

The KP-15 polymer lower performed exceptionally well, showing no signs of melting or deformation despite significant heat transfer. Its high melting point (450°F+) contributed to its resilience during the intense 210-round full-auto firing sequence.

What is the advantage of the JP Silent Captured Spring in this build?

The JP Silent Captured Spring replaces the traditional buffer and spring, eliminating the buffer detent. This design choice addresses a common failure point in AR-15 platforms, enhancing reliability, especially during high cyclic rate full-auto fire.

Was the carbon fiber handguard on the WWSD2020 rifle effective?

Yes, the carbon fiber handguard proved highly effective at heat dissipation. Even after firing 210 rounds in full auto under extreme Arizona heat, it remained handleable with a bare hand, preventing discomfort and potential burns.

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