Reletter
Artwork for Open Source Defense

Open Source Defense

Tens of paid subscribers

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

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues363Founded7 years agoLast Issue10 days ago
Active

Read this Newsletter

opensourcedefense.substack.com
Artwork for Open Source Defense

Latest Issues

OSD 394: Surveillance and gun ownership are getting waymo complicated

You can’t even wave your AR-15 around in a taxi anymore.

From SFGATE:

Two young people were arrested last week in San Francisco’s Outer Richmond neighborhood after allegedly being caught in a Waymo with a loaded assault rifle, authoriti...

10 days ago
11
2

OSD 393: Where is my flying gun?

Alex Tabarrok put an updated spin on Frédéric Bastiat’s classic essay “That Which is Seen, and That Which is Not Seen”:

regulation that raises gasoline prices makes people angry but when regulation prevents an industry from ever existing...

18 days ago
11
2

OSD 392: Guns and murder are surprisingly uncorrelated

Jeff Asher’s murder rate analyses continue over at his Substack:

Jeff-alytics

When Will The US Murder Rate Catch European Rates?

The US had the largest one-year drop in murder ever recorded in 2025. That followed the largest one-year dro...

a month ago
17
6

OSD 391: Alibaba and the $40 gun

Rolex clones are getting incredibly good. This guy took a “super clone” to Rolex’s flagship boutique in London, and the service tech there didn’t spot that it’s a fake.

A real Rolex Submariner retails for $10,050. The super clone costs $50...

a month ago
18
8

OSD 390: The dog that caught the SCAR

This was a wild week. The recap of the core facts is:

  1. On August 5, a federal district court judge in the northern district of Texas struck down the National Firearms Act with respect to items whose tax stamp is priced at $0. That cove...
a month ago
16
3

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Open Source Defense.

SubscribersEngagement76Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

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.

  • Frequently Asked Questions

    How can I access the email archive for Open Source Defense?

    You can find recent issues that have been published by Open Source Defense on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Open Source Defense have?

    To see how many people subscribe to Open Source Defense, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Open Source Defense?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Open Source Defense as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Open Source Defense?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Open Source Defense using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Open Source Defense?

    Scroll up to where it says Related Newsletters to see other publications like Open Source Defense. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Open Source Defense?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.