Open Source Defense

OSD 355: Truck guns, front door guns, and other negative expected value bets

This week a video has been making the rounds on X of a man answering his door in the middle of the night — armed because he wasn’t expecting anyone …

Dec 11

23

5

2

OSD 354: You see the infringement in your neighbor’s eye and ignore the GCA in your own

A man was arrested for having too much fun on vacation in Florida.

Dec 4

16

13

1

November 2025

OSD 353: Everything is a gun now

You thought *guns* were heavily regulated? Look around you.

Nov 27

24

10

OSD 352: “Gun rights are winning and nobody has realized it”, 2025 edition

Rating our predictions from 2019.

Nov 20

24

7

5

OSD 351: Demud the police

This has been floating around the internet for a while:

Nov 14

15

2

OSD 350: The new Supreme drop

The Supreme Court has agreed to hear two Second Amendment cases, and Stephen Gutowski at The Reload reviewed what that means:

Nov 7

14

8

October 2025

OSD 349: What’s going on with gun carry in NYC?

What it’s like to apply for a carry permit in the Big Apple.

Oct 30

17

4

3

OSD 348: When should a gun company be cancelled?

Glock beats a tactical retreat on full auto switches.

Oct 23

21

10

3

OSD 347: The government will issue you a list of approved freedoms. Thank you for your attention to this matter.

It was a big week in the courts for gun stuff.

Oct 15

21

4

OSD 346: How they get you to tighten the tyranny ratchet

“Sure they’re black helicopters, but they’re *our* black helicopters.”

Oct 8

25

7

2

OSD 345: Elites still matter

A nice thing about free markets is that they divorce money from caste.

Oct 1

19

3

1

September 2025

OSD 344: The ATF shot itself in the foot with Franklin Armory’s new gun

Under US law, a short-barreled rifle is “a rifle having one or more barrels less than sixteen inches in length and any weapon made from a rifle (whether…

Sep 24

24

2

1