Primary Weapons Mk116 Mod2

Published on September 3, 2018
Duration: 18:31

This video provides an in-depth review of the Primary Weapons Systems Mk116 Mod 2 rifle, highlighting its unique long-stroke piston operating system, which differentiates it from most other piston-driven AR-15s. The instructor details its lightweight construction, mid-length gas system, and high-quality components, offering insights into its performance and potential upgrades.

Quick Summary

The Primary Weapons Systems Mk116 Mod 2 distinguishes itself with a unique long-stroke piston operating system, a departure from common short-stroke designs. It features a lightweight build, a mid-length gas system for enhanced reliability, and an innovative receiver extension that prevents carrier tilt, ensuring consistent performance.

Chapters

  1. 00:02Introduction to PWS Mk116 Mod 2
  2. 00:18Long Stroke vs. Short Stroke Piston Systems
  3. 00:50Available Calibers and Barrel Lengths
  4. 01:01PWS Component Quality
  5. 01:15Receiver Extension and Muzzle Brake
  6. 01:28Adjustable Gas Valve
  7. 01:4216-inch Barrel Configuration
  8. 01:51Mk116 Mod 2 Improvements
  9. 02:08Lightweight Design and Weight
  10. 02:31Mid-Length Operating System
  11. 02:53Barrel Construction and Twist Rate
  12. 03:08.223 Wylde vs. 5.56 NATO Chamber
  13. 04:05Cutaway Demonstration of Operation
  14. 04:52Piston Expansion Chamber and Bolt Movement
  15. 05:33Spring Assist in Unlocking
  16. 05:52Piston and Operating Rod System
  17. 06:19Adjustable Gas Valve Settings
  18. 06:40Proprietary Bolt Finish and Design
  19. 06:56Upper Receiver Construction and Features
  20. 07:36Handguard: Pic Mod and KeyMod
  21. 07:41Charging Handle
  22. 08:35BCM Stock and Grip
  23. 08:56Absence of Forward Assist
  24. 09:14Handguard: Pic Mod and KeyMod Explained
  25. 10:19Adjustable Gas System Operation
  26. 10:32Bravo Company Pistol Grip
  27. 10:36Match Trigger
  28. 10:42Ambidextrous Lower Receiver Features
  29. 11:17Flared Magazine Well
  30. 11:37Ratchet System Receiver Extension
  31. 11:53Curing Carrier Tilt
  32. 12:57Match-Grade Trigger Adjustments
  33. 13:25Carbine vs. Rifle Length Gas System
  34. 13:56Disassembly and Cleaning
  35. 14:17Upgradeability of PWS Components
  36. 14:36External Piston vs. Short Stroke
  37. 15:19L-3 EOTech Vudu Scope Overview
  38. 16:07Shooting Demonstration
  39. 17:31Reliability and Malfunction Check
  40. 17:35Ammunition Used and Accuracy Results
  41. 18:02Sand Test and Environmental Conditions
  42. 18:13Conclusion and Recommendation

Frequently Asked Questions

What makes the Primary Weapons Systems Mk116 Mod 2's operating system unique?

The PWS Mk116 Mod 2 stands out with its long-stroke piston operating system. This design differs from the more common short-stroke piston systems found in many other AR-15 platforms, offering a distinct approach to gas operation and reliability.

How does the PWS Mk116 Mod 2 address carrier tilt issues common in piston AR-15s?

The Mk116 Mod 2 effectively combats carrier tilt through its innovative receiver extension design. This extension protrudes forward, supporting the bolt carrier group directly within the receiver, ensuring the carrier remains aligned and preventing tilting during operation.

What are the key features of the PWS Mk116 Mod 2's handguard?

The handguard on the Mk116 Mod 2 features a 'Pic Mod' system, integrating a MIL-STD-1913 Picatinny rail on the top and front sections, alongside KeyMod slots on the sides and rear. This combination allows for versatile mounting of various accessories.

What is the reported reliability and accuracy of the PWS Mk116 Mod 2?

During testing with multiple ammunition types, the PWS Mk116 Mod 2 demonstrated exceptional reliability with zero malfunctions. Accuracy was consistently under 2 MOA, with the best group measuring approximately 1.25 inches, making it a capable platform for its intended use.

Related News

All News →

More Reviews Videos You Might Like

More from SmallArmsSolutions

View all →