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Non-MilSpec Ruger AR15s in the Wild

RD20

Joined: Nov 2020

Posts: 695

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OH, USA

Posted: 7/13/2025 5:26:31 PM EDT

[Last Edit: RD20][Edited]

Since Ruger is not in the manufacturers section, I though this would be an appropriate space to point out that not all Ruger AR15s can accept a standard MilSpec firing pin, or a MilSpec firing pin may be very sticky in the bolt, and that you ought to check your Ruger AR if you'd like to have spare parts for maintenance purposes.

In the video posted below, at the 16:55 mark is where this topic is discovered.

https://youtu.be/qIkfYVTyoRM?si=t5wlCe45ka0IfAVc

bmarshall1

Joined: Feb 2011

Posts: 2225

EE: 0% (0)

OH, USA

Posted: 7/13/2025 6:23:52 PM EDT

[#1]

My question is why, why would Ruger, in this day and age, design and build an AR-15 that didn't match everybody else's spec? Can't imagine there's too much benefit in what they did

bmarshall1

Joined: Feb 2011

Posts: 2226

EE: 0% (0)

OH, USA

Posted: 7/13/2025 6:26:26 PM EDT

[#2]

My question is why, why would Ruger, in this day and age, design and build an AR-15 that didn't match everybody else's spec? Can't imagine there's too much benefit in what they did

RD20

Joined: Nov 2020

Posts: 696

EE: 0% (0)

OH, USA

Posted: 7/13/2025 7:27:06 PM EDT

[#3]

It appears that the bolts were machined out of spec, so Ruger altered the firing pins instead of sending the bolts back or tossing them.

j3_

Joined: Feb 2001

Posts: 18302

EE: 100% (70)

USA

Posted: 7/13/2025 9:37:46 PM EDT

[#4]

May have just bought complete bcg's from a sub.

hotdog250j

Joined: Aug 2008

Posts: 9679

EE: 100% (24)

OK, USA

Posted: 7/13/2025 9:41:25 PM EDT

[#5]

Barrel nuts, hand guards, front sight base, I guess they wanted to be different.

11boomboom

25mm Aficionado

Joined: Oct 2020

Posts: 13025

EE: 100% (12)

TX, USA

Posted: 7/16/2025 11:12:12 AM EDT

[#6]

SOTAR Secret Shopper - Ruger AR556 - Part 2/4 - Bolt Carrier Groups

https://www.youtube.com/watch?v=qIkfYVTyoRM

Why is the sky blue?
What makes the green grass grow?

backbencher

Member

Joined: Nov 2005

Posts: 86227

EE: 100% (2)

TX, USA

Posted: 7/16/2025 11:31:09 AM EDT

[#7]

Well, there goes my recommendation for inexpensive Ruger ARs.

I sell firearms produced by the finest child labor in the world, be it Filipino, Muslim, Mormon, Arizonan, or Texan.

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Non-MilSpec Ruger AR15s in the Wild

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Non-MilSpec Ruger AR15s in the Wild