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Open Source Defense

Open Source Defense

100% gun rights, 0% culture war. Making people proud to care about gun rights.

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Substack
PricingOnly free issuesPublishesWeekly
Issues329SubscribersRead opensourcedefense.substack.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

OSD 360: The tyranny ratchet revisited

The whole newsletter last week was about the government judo’ing gun owners’ enthusiasm for competent government into enthusiasm for powerful government. Lo and behold, the week since then has been full of debate about a federal agent shoot...

25 days ago
19
2

OSD 359: The next vibe shift

Years ago, the creators of South Park did an interview with Charlie Rose where they explained their show’s sensibility:

a month ago
11
5

OSD 358: Our favorite OSD essays from 2025

Here’s a look back at our favorites from the past year, grouped into our favorite themes from the past year. See you in the next one.

a month ago
7
1

OSD 357: Putting your first aid kit to the test, holiday edition

A few years ago, we wrote a piece about how focusing too much on having a cool EDC (everyday carry) can prevent you from having an effective EDC. Excerpting it in full because it’s useful context for discussing the same topic in your home f...

2 months ago
18
0

Authors

The writers behind this newsletter.

  • Open Source Defense

    100% gun rights, 0% culture war. Making people proud to be associated with gun rights, with friendly, thoughtful, and incisive writing on guns.

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