Otto Arms

07/04/2025

Welcome to Otto Arms, an Engineering Solutions Company specializing in the firearm industry, particularly the FN SCAR platform. The owner Aaron is an engineer with a prestigious professional background and a passion for exercising his constitutional rights outlined by the 2nd Amendment.

03/21/2025

12/18/2024

We finally have a few of the titanium backplates available. They will be Cerakote black and will ship by the end of the week.

10/13/2024

We are about to solve your SCAR problems. Ti 6AL-4V backplates will be available in 2 weeks. We have spent 2 years getting to this point.

09/29/2024

Check out our shop cleanout category for some yard sale deals.

07/23/2024

Great example of our PDW2 stock on a shorty SCAR 15

04/18/2024

Beautiful build by one of our satisfied customers

11/05/2023

I finally got my .eng scarburetor installed.

09/26/2023

This is the first time this car has driven under any power since the frame was manufactured in 2012. This SLC is powered by an MSF built twin turbo LS3. Put...

09/23/2023

Where form meets function in a minimalist masterpiece.