The Adams Arms P1 .308 Win Rifle

Published on October 7, 2019
Duration: 13:53

This video provides an in-depth review of the Adams Arms P1 .308 Win rifle, highlighting its external piston system and short receiver design, which is based on the DPMS Gen 2 platform. The presenter details the rifle's components, including a Voodoo barrel, adjustable gas block, and modified Midwest Industries handguard, and demonstrates its disassembly. While acknowledging the rifle's quality and proven system, the video notes that external piston systems have not gained the widespread popularity of direct impingement systems in recent years.

Quick Summary

The Adams Arms P1 .308 Win rifle utilizes a short receiver design, sharing components with the DPMS Gen 2 platform. It features a 16-inch Melonite-coated Voodoo barrel with a 1:10 twist and an adjustable gas block. Adams Arms also modified the extractor to improve brass ejection for reloaders.

Chapters

  1. 00:03Introduction to Adams Arms P1 .308
  2. 00:15Adams Arms Piston System Background
  3. 01:53Development of the .308 Version
  4. 02:37Customized Rifle Overview
  5. 02:53Short Receiver Design (DPMS Gen 2)
  6. 03:32Stock and Receiver Features
  7. 04:24Handguard and Barrel Details
  8. 05:04Adjustable Gas Block and Muzzle Device
  9. 05:26Pistol Grip and Optic Additions
  10. 06:09Trigger and Bolt Carrier Group Comparison
  11. 07:05Bolt Carrier Group Disassembly
  12. 08:51Gas System Disassembly
  13. 09:31Gas System Reassembly
  14. 09:53External Piston vs. Direct Gas Accuracy
  15. 10:15Addressing Carrier Tilt
  16. 10:48Range Test Preparation
  17. 11:37Ammunition and Grouping Results
  18. 12:12Overall Assessment and Customization
  19. 13:00Market Momentum of Piston Systems
  20. 13:39Conclusion and Call to Action

Frequently Asked Questions

What is the primary innovation of Adams Arms?

Adams Arms' primary innovation was developing user-installed, drop-in external piston kits for AR-style rifles. These kits allowed users to convert their existing direct impingement systems to an external piston system by replacing the gas block, operating rod, and bolt carrier.

What is the receiver configuration of the Adams Arms P1 .308 Win rifle?

The Adams Arms P1 .308 Win rifle features a short receiver design, utilizing the same upper and lower receivers and bolt carrier configuration as the DPMS Gen 2 AR-10 platform, offering parts compatibility and a more compact profile.

What are the key specifications of the Adams Arms P1 .308 barrel?

The Adams Arms P1 .308 rifle is equipped with a 16-inch Voodoo barrel constructed from chrome vanadium steel. It features a 1:10 inch right-hand twist rate and is finished with a durable Melonite coating for enhanced longevity and corrosion resistance.

How does Adams Arms improve brass ejection for reloaders on their .308 piston system?

Adams Arms modified the extractor shape on their bolt carrier group to work in conjunction with the cartridge case deflector. This modification prevents damage to ejected brass and reduces denting, making it more suitable for reloaders.

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