We Have MCX At Home

Published on June 28, 2023
Duration: 14:46

This guide details the assembly of a Palmetto State Armory (PSA) Jakl upper receiver onto an AR-15 lower, creating a pistol build. It covers the installation of key accessories like a KAK flash hider, Streamlight weapon light, Trijicon MRO optic, and a custom trigger. The build emphasizes the Jakl's long-stroke gas piston system and AR-18 design lineage. Instruction is provided by an experienced firearm builder familiar with aftermarket components and platform mechanics.

Quick Summary

The PSA Jakl is a long-stroke gas piston firearm designed for assembly with a standard AR-15 lower receiver, offering AR-18 style operation without a buffer tube. Key accessories include a KAK flash hider, Streamlight HL-X, and Trijicon MRO optic. It's recommended for .300 Blackout in short-barrel configurations and features a four-position adjustable gas system.

Chapters

  1. 01:09Intro to PSA Jakl Build
  2. 01:53Mechanical Design & Cost
  3. 03:17Barrel & Ergonomics
  4. 04:42Accessories & Optics
  5. 07:41Performance & Reliability
  6. 09:03Gas System & Caliber Options
  7. 11:15Trigger Upgrade

Frequently Asked Questions

What is the PSA Jakl and how is it assembled?

The PSA Jakl is a long-stroke gas piston firearm designed to be assembled with a standard AR-15 lower receiver. The upper receiver is a monolithic aluminum design, and it does not require a buffer tube for the bolt to reciprocate, offering an AR-18 style operation.

What are the key accessories featured on the PSA Jakl pistol build?

The build includes a KAK Industry three-prong flash hider, a Streamlight ProTac HL-X weapon light with an Arisaka mount, and a Trijicon MRO green dot optic. Slate Black Industries M-LOK covers are also used for grip enhancement.

What are the advantages of the PSA Jakl's gas system?

The Jakl features a four-position adjustable gas piston, allowing users to tune performance for suppressed use or varying environmental conditions. This piston system is a key element of its AR-18 style operation.

What caliber is the PSA Jakl best suited for?

While tested in 5.56 NATO, the speaker suggests the platform is ideally suited for .300 Blackout, particularly in short-barrel configurations, due to its gas system design and intended use.

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