How to Install a Pistol Optic | PSA Dagger - Holosun

Published on August 6, 2024
Duration: 7:25

This guide details the process of installing an optic, specifically a Holosun, onto a PSA Dagger pistol. It emphasizes proper screw selection based on the optic and pistol side, correct Loctite application, and precise torquing to 15 inch-pounds to maintain zero. A crucial post-installation check involves verifying the free movement of the extractor plunger to prevent extraction failures.

Quick Summary

To install an optic on a PSA Dagger, ensure the firearm is clear, remove the cover plate, and use the correct screws: shorter ones on the right (extractor side) and longer ones on the left. Torque screws to 15 inch-pounds. Crucially, check that the extractor plunger moves freely after installation to prevent malfunctions.

Chapters

  1. 00:00Introduction and Firearm Safety Check
  2. 00:07Removing the Optic Cover Plate
  3. 01:09Understanding Optic Screw Types and Lengths
  4. 01:48Mounting the Holosun Optic
  5. 02:26Proper Loctite Application
  6. 03:05Aligning and Seating the Optic
  7. 03:35Installing and Hand-Tightening Screws
  8. 03:48Torquing Screws to 15 Inch-Pounds
  9. 04:30Post-Installation Checks: Extractor Plunger
  10. 04:41Disassembling the Slide for Checks
  11. 05:08Removing and Inspecting the Rear Slide Plate
  12. 05:16Checking Extractor Plunger Free Movement
  13. 05:37Consequences of Incorrect Loctite or Screw Length
  14. 05:46Reinstalling the Rear Slide Plate
  15. 06:17Reassembling Slide to Frame
  16. 06:30Applicability to Other PSA Models
  17. 06:54Conclusion and Range Preparation

Frequently Asked Questions

What is the correct torque setting for mounting an optic on a PSA Dagger pistol?

The recommended torque setting for mounting an optic on a PSA Dagger pistol is 15 inch-pounds. Using a torque wrench or torque screwdriver ensures proper tightness, which is crucial for maintaining the optic's zero and preventing damage.

How do I know if I used the correct screws for my PSA Dagger optic installation?

After installation, disassemble the slide and check the extractor plunger. It should move freely. If it's obstructed, you likely used the wrong screw length or too much Loctite, which can cause extraction failures.

Which screws should I use for a Holosun optic on a PSA Dagger?

For a Holosun optic on a PSA Dagger, use the screws provided by Holosun. The shorter screws go on the right side (extractor side) and the longer screws go on the left side to ensure proper fit and function.

What is the purpose of the shorter screws on the right side of the PSA Dagger optic mount?

The shorter screws are used on the right side of the PSA Dagger optic mount because this is the extractor side. Using shorter screws prevents them from interfering with the extractor plunger, which is essential for reliable firearm operation.

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