Installing PSA Hex Rail | Palmetto State Armory

Published on May 31, 2024
Duration: 5:54

This guide details the installation of the Palmetto State Armory Hex Rail on an AR-15 platform. It covers the proper torque specifications for the barrel nut (50 ft-lbs), gas block screws (30 in-lbs), handguard screws (40 in-lbs), and set screws (10 in-lbs). The process emphasizes careful alignment and sequential tightening of fasteners to ensure a secure and reliable handguard installation.

Quick Summary

To install the PSA Hex Rail, torque the barrel nut to 50 ft-lbs, gas block screws to 30 in-lbs, handguard screws to 40 in-lbs, and set screws to 10 in-lbs. Ensure proper alignment of the gas block and use anti-rotational tabs for a secure fit.

Chapters

  1. 00:00Introduction to the Hex Rail
  2. 00:18What's Included in the Hex Rail Kit
  3. 00:33Installing the Barrel Nut
  4. 01:18Installing the Gas Block and Tube
  5. 02:11Sliding on the Hex Rail
  6. 02:52Installing Handguard Screws
  7. 03:40Installing Set Screws
  8. 05:07Reinstalling Muzzle Device & Completion

Frequently Asked Questions

What are the torque specifications for installing the PSA Hex Rail?

The PSA Hex Rail installation requires specific torque values: the barrel nut should be torqued to 50 ft-lbs, gas block screws to 30 in-lbs, handguard screws to 40 in-lbs, and set screws to 10 in-lbs.

What tools are needed to install the PSA Hex Rail?

Essential tools for installing the PSA Hex Rail include a torque wrench, a 9/64 bit for handguard screws, a 5/64 bit for set screws, a brush for grease application, and a muzzle device tool.

How do you ensure proper alignment when installing the gas block?

Proper alignment of the gas block is achieved by pushing it firmly against the barrel nut shoulder and visually confirming it's centered down the barrel before tightening the screws.

What is the purpose of the set screws on the PSA Hex Rail?

The set screws on the PSA Hex Rail provide additional locking and stability. They work in counteraction with each other to firmly secure the rail to the barrel nut and upper receiver.

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