The best piston AR15's out there!

Published on February 25, 2022
Duration: 20:41

This review compares four piston-driven AR-15s: the discontinued Colt APC, the PWS Mk116 Mod 2 M with its AK-like long-stroke piston, the 6.8 SPC LWRC Six 8, and the H&K MR556A1. While generally preferring direct impingement, the reviewer highlights these piston systems for their reliability and specific advantages, ultimately naming the Colt APC best for collectors and the PWS Mk116 as the top shooter due to its smooth recoil.

Quick Summary

The best piston AR-15s reviewed include the Colt APC (best for collectors), PWS Mk116 Mod 2 M (best shooter due to smooth recoil), LWRC Six 8 (6.8 SPC), and H&K MR556A1 (reliable). The PWS Mk116 features an AK-like long-stroke piston for reduced recoil.

Chapters

  1. 00:00Introduction & Patreon
  2. 00:37Primary Arms Optics Promo
  3. 01:23Gas Piston vs. DI
  4. 01:58Colt APC Review
  5. 05:09PWS Mk116 Mod 2 M Review
  6. 09:34Vedder Holsters Sponsor
  7. 10:31LWRC Six 8 Rifle Review
  8. 14:16H&K MR556A1 Review
  9. 18:39Final Comparison & Picks

Frequently Asked Questions

What are the best piston AR-15 rifles reviewed in the video?

The video reviews four top piston-driven AR-15s: the discontinued Colt Advanced Piston Carbine (APC), the PWS Mk116 Mod 2 M known for its smooth recoil, the 6.8 SPC LWRC Six 8, and the reliable H&K MR556A1.

What is the main advantage of the PWS Mk116 Mod 2 M piston system?

The PWS Mk116 Mod 2 M utilizes a long-stroke gas piston, similar to an AK-47, which results in a very smooth and flat recoil impulse, making it comfortable to shoot.

Which piston AR-15 is considered best for collectors?

The Colt Advanced Piston Carbine (APC) is highlighted as the best piston AR-15 for collectors due to its unique monolithic upper and simple, robust floating head piston system, despite being discontinued.

What is the difference between Direct Impingement (DI) and Gas Piston AR-15 systems?

Direct Impingement routes gas directly to the bolt carrier, while a gas piston system uses a separate rod to cycle the action. Modern piston systems have overcome early reliability and weight issues.

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