CZ Scorpion Cleaning & Inspection

Published on April 22, 2019
Duration: 37:53

This guide details a comprehensive cleaning and inspection of a CZ Scorpion EVO 3 S1, configured as an SBR, after approximately 3,000 rounds, primarily suppressed. The process, demonstrated by an expert with deep technical familiarity, covers field stripping, detailed component inspection (including hammer peening and feed ramp condition), ultrasonic cleaning, feed ramp polishing with specialized tools, and proper lubrication for smooth operation. The methodical approach highlights common maintenance hurdles and best practices for this platform.

Quick Summary

This expert guide details the cleaning and inspection of a CZ Scorpion EVO 3 S1 (SBR) after 3,000 rounds. It covers field stripping, identifying wear like hammer peening, ultrasonic cleaning, feed ramp polishing with a Foredom tool, and proper lubrication with LPS 2 or ALG Go-Juice for optimal performance.

Chapters

  1. 00:00Introduction to the CZ Scorpion
  2. 01:11Suppressor Removal and Thread Adapters
  3. 03:44Field Stripping the Scorpion
  4. 05:59Lower Receiver and Trigger Inspection
  5. 07:14Bolt and Upper Receiver Disassembly
  6. 11:14Feed Ramp Inspection
  7. 12:08Detailed Bolt Disassembly
  8. 16:14Wear Analysis and Cleaning
  9. 20:01Lubrication and Reassembly
  10. 23:06Feed Ramp Polishing and Function Test

Frequently Asked Questions

How do you field strip a CZ Scorpion EVO 3 S1 for cleaning?

Field stripping involves removing the stock and grip, then pushing a captured pin on the lower receiver to separate it. The bolt is then removed from the upper receiver, followed by the charging handle and internal bolt components.

What are common wear points on a CZ Scorpion after heavy use?

After approximately 3,000 rounds, common wear includes minor peening on the hammer face and potential drag marks from the ejector. The feed ramp should also be inspected for deformation.

What tools are recommended for cleaning and maintaining a CZ Scorpion?

Essential tools include basic disassembly tools like hex keys, a hammer and wood block for stubborn parts, an ultrasonic cleaner for thorough cleaning, and a Foredom rotary tool for feed ramp polishing.

How should a CZ Scorpion be lubricated after cleaning?

After cleaning and drying, apply lubricants like LPS 2 or ALG Go-Juice to all moving parts. Grease can be helpful for retaining small springs during reassembly of the bolt components.

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