Atrius Development Group | 2026 SHOT Show Product Spotlight

Published on January 21, 2026
Duration: 2:48

This guide details the installation of the Atrius Drop-in Selector for AR-15 platforms. Ryan Spadafore, Founder and CEO of Atrius Development Group, highlights its compatibility with mil-spec fire control groups and its ability to add a third firing position. The process involves careful handling of internal components and ensuring proper alignment for enhanced shooting experience.

Quick Summary

The Atrius Drop-in Selector is an AR-15 upgrade compatible with mil-spec fire control groups, adding a third firing position. Presented by Atrius Development Group's Founder and CEO, Ryan Spadafore, it aims to bring innovative firearm technology into mainstream use, enhancing the shooting experience through greater customization.

Chapters

  1. 00:00Introduction of Atrius Development Group
  2. 00:16Company Mission and Vision
  3. 01:09Mainstreaming Innovation
  4. 01:41Product Spotlight: Drop-in Selector Installation
  5. 02:06SHOT Show 2026 Significance

Frequently Asked Questions

What is the Atrius Drop-in Selector?

The Atrius Drop-in Selector is an aftermarket component for AR-15 rifles designed to replace the standard selector switch. It offers compatibility with mil-spec fire control groups and introduces a third firing position for enhanced user control and customization.

How does the Atrius Drop-in Selector enhance an AR-15?

It adds a third position to the fire control group, which can be configured for various functions depending on the user's needs, offering more versatility than the traditional safe and fire positions. This aims to improve the overall shooting experience.

Is the Atrius Drop-in Selector compatible with all AR-15s?

The Atrius Drop-in Selector is specifically designed for AR-15 platforms that utilize standard mil-spec fire control groups. Users should verify compatibility with their specific rifle's components before installation.

Who is Ryan Spadafore?

Ryan Spadafore is the Founder and CEO of Atrius Development Group. He is presented as an industry veteran with a deep understanding of AR-15 mechanics and a strategic vision for innovation in firearms technology.

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