An AR-15 With Kalash Sauce (And An FRT)

Published on January 30, 2026
Duration: 14:43

This video review from PSR delves into the Wolfpack Armory WP-47, an AR-15 upper chambered in 7.62x39mm designed to accept AK-47 magazines. The review highlights the rifle's unique features, including the Alamo-15 FRT trigger and the Atrius Development Group FRS selector, while also discussing compatibility and reliability with various magazine types. PSR's expert assessment provides valuable insights for enthusiasts interested in this specialized AR platform.

Quick Summary

The Wolfpack Armory WP-47 is an AR-15 upper chambered in 7.62x39mm, designed for AK-47 magazine compatibility. It features a 16-inch barrel and can be paired with triggers like the Alamo-15 FRT. While it accepts AK mags, testing with AR-15 7.62x39mm magazines like Duramag and ASC showed varying reliability, with Magpul PMAGs often being the most consistent.

Chapters

  1. 00:00Introduction and Giveaway
  2. 01:08Wolfpack Armory WP-47 Overview
  3. 02:01Alamo-15 Trigger Details
  4. 03:32Rifle Components and Compatibility
  5. 06:14Sponsorships and Gear
  6. 07:59Standard AR Lower Testing
  7. 11:22Final Assessment

Frequently Asked Questions

What is the Wolfpack Armory WP-47?

The Wolfpack Armory WP-47 is an AR-15 upper receiver chambered in 7.62x39mm, uniquely designed to accept AK-47 magazines. It features a 16-inch barrel and utilizes a direct impingement gas system, offering a distinct alternative for those seeking 7.62x39mm capability on an AR platform.

What is the significance of the Alamo-15 FRT trigger in the WP-47 build?

The Alamo-15 Forced Reset Trigger (FRT) is a key component in the WP-47 build, noted for its specific roller trip design. This mechanism differs from other FRTs, potentially offering a unique trigger feel and function, and requires careful installation, often using anti-walk pins.

How does the WP-47 handle magazine compatibility?

The WP-47 upper is designed for AK-47 magazines, but the video also tests it with standard AR-15 lowers using 7.62x39mm AR magazines like ASC and Duramag. While Magpul PMAGs are cited as the most reliable for 7.62x39mm in an AR platform, specific compatibility should always be verified.

What are the key features of the Atrius Development Group FRS selector?

The Atrius Development Group FRS selector provides multiple firing modes, including Safe, Semi, and a 'Super Semi' mode. This advanced selector allows for a significantly faster rate of fire in semi-automatic operation, but users must be aware of its mechanical function and legal implications.

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