Firearms Facts Episode 26: Proper Ammo Storage

Published on August 6, 2013
Duration: 4:00

This guide, drawing on the expertise of a firearms instructor, details best practices for storing ammunition to maximize its lifespan. Key recommendations include maintaining ideal temperature and humidity levels, utilizing specialized sealed containers like 'Canned Heat' and 'spam cans,' and employing simple techniques like using silica gel packs and sealing handloads. Proper handling to avoid corrosion is also emphasized, highlighting heat as the most significant threat to propellant integrity.

Quick Summary

Expert firearms instructors recommend storing ammunition in a cool, dry place between 68-72°F (20-22°C). For maximum longevity, utilize hermetically sealed containers like 'Canned Heat' or 'spam cans,' and ensure standard ammo cans have intact, greased gaskets. Avoid high heat (above 130°F) and moisture, which are the primary causes of propellant degradation.

Chapters

  1. 00:00Introduction to Ammo Longevity
  2. 00:13Long-term Storage & Hermetic Sealing
  3. 00:33Ideal Storage Conditions
  4. 00:55Handling Precautions
  5. 01:09Military Ammo Cans
  6. 01:30Short-term Storage Tips
  7. 02:07Handloader Tips
  8. 02:26The Danger of Heat
  9. 03:15Effects of Cold

Frequently Asked Questions

What are the ideal temperature and humidity conditions for storing ammunition?

The ideal temperature range for ammunition storage is between 68-72°F (20-22°C). If you are comfortable with the temperature, your ammunition likely is too. Maintaining a dry environment is also crucial to prevent corrosion and degradation of propellants.

What are the best types of containers for long-term ammunition storage?

For long-term storage, hermetically sealed containers like Fiocchi 'Canned Heat' or military 'spam cans' are considered the gold standard. Standard military ammo cans with good rubber gaskets are also excellent, especially when supplemented with silica gel packs.

What are the biggest threats to ammunition longevity?

The primary threat to ammunition longevity is high temperatures, especially sustained levels above 130°F (54°C), which cause irreversible chemical breakdown of the powder and primer. Moisture and direct contact with corrosive substances also pose significant risks.

Can handloaders improve the moisture resistance of their ammunition?

Yes, handloaders can significantly improve moisture resistance by sealing the primer pockets and bullet seats with clear nail polish. This creates a barrier that helps protect the sensitive components from environmental moisture.

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