Gooey Gat Gunk Bustin' 🧼 Cosmoline Removal 101! [Guide]

Published on September 10, 2020
Duration: 9:16

This guide provides a comprehensive, step-by-step process for removing stubborn Cosmoline from military surplus rifles, specifically demonstrating the technique on Chinese Type 56 SKS carbines. It covers disassembly, using heat to 'sweat' grease from wood, sonic cleaning small parts, and employing chemicals like brake cleaner and Goof Off for metal and wood components. The guide emphasizes critical safety points, such as ensuring a clear firing pin channel to prevent dangerous slam fires. Instruction is provided by John C., Director of Social Media for Pew Pew Tactical, demonstrating high expertise.

Quick Summary

Expert Cosmoline removal for surplus rifles involves a multi-step process. For wood, use heat (sunlight) to sweat grease out, followed by wood-safe cleaners. Metal parts benefit from non-chlorinated brake cleaner and sonic cleaning for small components. Crucially, ensure the SKS firing pin channel is completely clear to prevent dangerous slam fires.

Chapters

  1. 00:00Introduction to Cosmoline
  2. 01:27Project Overview: Type 56 Carbines
  3. 02:28Disassembly and Initial Wipe Down
  4. 03:15Sweating Cosmoline from Wood
  5. 03:58Sonic Cleaning Small Parts
  6. 04:25Cleaning Metal with Brake Cleaner
  7. 05:12Detailing and Bore Cleaning
  8. 06:24Firing Pin Safety
  9. 06:39Final Wood Cleanup and Reassembly
  10. 08:12Range Testing

Frequently Asked Questions

How do you remove Cosmoline from a wooden rifle stock?

To remove Cosmoline from wood, place the stock in direct sunlight (115-125°F) within a trash bag. The heat sweats the grease out of the porous wood fibers, allowing it to be wiped away. Follow up with a wood-safe cleaner like Goof Off for residue.

What is the best way to clean Cosmoline off metal firearm parts?

For metal parts, use non-chlorinated brake cleaner. Spray it liberally on the components, using Q-tips for crevices and a bore brush for the barrel and gas port. Ensure good ventilation and wear gloves during this process.

Why is it important to clean the SKS firing pin channel thoroughly?

It's crucial to ensure the SKS firing pin channel is completely clear of Cosmoline. Any residual grease can cause the free-floating firing pin to stick forward, leading to dangerous slam fires and potential firearm malfunctions.

Can I use regular brake cleaner to remove Cosmoline?

It's highly recommended to use non-chlorinated brake cleaner. Chlorinated versions can create toxic phosgene gas if the metal is heated later, posing a significant health hazard. Always prioritize safety and proper ventilation.

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