Reddit mentions of We Will Shoot Back: Armed Resistance in the Mississippi Freedom Movement

Obvious disingenuous take by /r/Libertarian, but it's not entirely wrong. The Civil Rights movement relationship to self defense and violence is a lot more complicated than most give it credit for.

Recommended reading

This Nonviolent Stuff Will Get You killed: How Guns Made the Civil Rights Movement Possible

We Will Shoot Back: Armed Resistance in the Mississippi Freedom Movement

Some articles for him:

Gun control's racist past and present

The racist origin of gun control laws

Then you could follow up with the role that civilian firearms played in protecting african-americans during the civil rights movement. Here are a few books on the topic:

We Will Shoot Back: Armed Resistance in the Mississippi Freedom Movement

Negroes and the Gun: The Black Tradition of Arms

This Nonviolent Stuff'll Get You Killed: How Guns Made the Civil Rights Movement Possible

Not that I think you'll change his mind, but it'd be fun.

That doesn’t work. And it didn’t work during the Black Freedom Struggle either, definitely not in the Deep South.

Armed, violent resistance was necessary.

This is another good read on the subject:

https://www.amazon.ca/Will-Shoot-Back-Resistance-Mississippi/dp/1479886033/ref=sr_1_1?keywords=we+will+shoot+back&qid=1558704997&s=gateway&sr=8-1