PSA: Sabre Lock Up Rail System

Published on May 16, 2023
Duration: 2:20

Cameron Tapler from Palmetto State Armory details the installation of their new Sabre Lockup rail system. This system features a patent-pending barrel nut and a handguard that threads directly onto it, eliminating the need for shims. The installation involves specific torque values for the barrel nut and front collar, followed by precise alignment of the handguard to the 11 o'clock position before final torquing and securing with set screws.

Quick Summary

The Palmetto State Armory Sabre Lockup rail system simplifies AR-15 handguard installation by eliminating the need for shims. It features a patent-pending barrel nut and a handguard that threads directly onto it. Key steps include torquing the front collar to 25 ft-lbs, aligning the handguard to the 11 o'clock position, and finally torquing the handguard to 35 ft-lbs, secured by set screws.

Chapters

  1. 00:10Introduction to Sabre Lockup System
  2. 00:25Saber Lockup System Mechanics
  3. 00:35Barrel Nut Installation Steps
  4. 00:43Collar Installation and Torque
  5. 00:53Handguard Timing Adjustment
  6. 01:07Sliding and Threading Handguard
  7. 01:21Achieving 11 O'Clock Position
  8. 01:31Correcting Handguard Timing
  9. 01:48Final Torque to 12 O'Clock
  10. 01:58Handguard Torquing and Set Screws
  11. 02:03Completion and Next Steps

Frequently Asked Questions

What is the primary benefit of the Palmetto State Armory Sabre Lockup rail system?

The primary benefit of the PSA Sabre Lockup rail system is its innovative design that eliminates the need for shims during installation. This is achieved through a patent-pending barrel nut and a handguard that threads directly onto it, simplifying the process and ensuring a clean, secure fit.

What are the key torque specifications for installing the Sabre Lockup rail?

During the installation of the Sabre Lockup rail, the front collar should be torqued to 25 foot-pounds. The handguard itself is then torqued down to 35 foot-pounds to ensure a secure and stable mounting.

How is the timing of the Sabre Lockup handguard adjusted during installation?

The timing of the Sabre Lockup handguard is adjusted by slipping and twisting it onto the barrel nut. Each click of adjustment represents 22.5 degrees, allowing the user to precisely align the Picatinny rails to the desired position, typically the 11 o'clock mark before final torquing.

What tools are necessary for installing the PSA Sabre Lockup rail system?

To install the PSA Sabre Lockup rail system, you will need standard torque wrenches capable of measuring foot-pounds for the barrel nut, front collar, and final handguard torquing. A specialized tool is also required to torque the rail to its final 12 o'clock position.

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