Steyr's New Modular Pistols: AT-C Competition and AT-D Defense

Published on September 6, 2025
Duration: 8:05

Steyr introduces the modular AT-C (Competition) and AT-D (Defense) pistols, aiming to fill the void left by discontinued European Sig P226 models. These hammer-fired handguns offer extensive modularity, including interchangeable triggers, barrels, and frames, with Steyr releasing open-source 3D files for grip customization. The AT-D features a DA/SA trigger and a 4-inch barrel, while the AT-C offers SAO triggers and barrel length options of 4, 5, or 6 inches. Both models utilize dual modular recoil springs and offer adjustable hammer spring weights for tuning.

Quick Summary

Steyr's AT-C (Competition) and AT-D (Defense) are highly modular, hammer-fired pistols designed to fill the market gap left by discontinued European Sig P226 models. They offer interchangeable triggers, barrels, and frames, with open-source 3D files for grip customization.

Chapters

  1. 00:00Introduction to Steyr AT Series
  2. 00:35AT-D and AT-C Model Overview
  3. 03:01Modularity and Open Source Customization
  4. 04:07Range Testing: AT-D
  5. 05:42Technical Internals and Disassembly

Frequently Asked Questions

What are the key features of the Steyr AT-C and AT-D pistols?

The Steyr AT-C (Competition) and AT-D (Defense) are modular, hammer-fired pistols. The AT-D has a 4-inch barrel and DA/SA trigger, while the AT-C offers SAO triggers and 4, 5, or 6-inch barrel options. Both feature modular frames and interchangeable components.

How modular are the Steyr AT series pistols?

These pistols offer extreme modularity, allowing for interchangeable triggers, barrels, and frames. Steyr also provides open-source 3D files for grips and beavertails, enabling users to 3D print custom ergonomic components.

What is the performance like for the Steyr AT-D defensive pistol?

The AT-D is described as a soft-shooting and accurate defensive pistol with an 18-round capacity and a 6lb single-action trigger pull. Despite a high bore axis, it handles recoil well.

What technical innovations are present in the Steyr AT pistols?

Internally, the Steyr AT pistols feature dual modular recoil springs and three different hammer spring weights. This allows users to tune the trigger pull and cycle rate for specific ammunition loads, especially for competition.

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