Craziest Gun of 2026 | Stuff & Things ST50

Published on March 1, 2026
Duration: 9:34

The ST50 is a conversion kit for the Kel-Tec P50, transforming it into a unique platform. It allows for the installation of an AR-style grip and trigger group, features a forced reset trigger for semi-automatic fire, and includes a 1913 rail for braces or stocks and a threaded barrel for suppressors. The kit utilizes coupled P90 magazines, offering a high capacity of 5.7mm rounds, though the ammunition cost is noted as significant.

Quick Summary

The ST50 is a conversion kit for the Kel-Tec P50, enabling the use of an AR-style grip and trigger group, including a forced reset trigger (FRT). It utilizes coupled P90 magazines for high capacity with 5.7mm rounds and features accessory rails for braces, stocks, and optics, along with a threaded barrel for suppressors.

Chapters

  1. 00:13ST50 Conversion Kit Introduction
  2. 00:53Forced Reset Trigger (FRT) Explained
  3. 01:56ST50 Design & Magazine Features
  4. 02:41ST50 Installation & Accessory Rails
  5. 03:55ST50 Capacity & Comparisons
  6. 05:11Stuff and Things Other Products (Stysen)
  7. 06:10The Carl & FRT Interaction
  8. 06:50Ammo Costs & Shooting Impressions

Frequently Asked Questions

What is the ST50 conversion kit?

The ST50 is a conversion kit from Stuff and Things designed for the Kel-Tec P50. It allows for the replacement of the P50's rear fire control group, trigger, safety selector, and grip, offering enhanced customization and features like a forced reset trigger.

What type of magazines does the ST50 use?

The ST50 conversion kit utilizes coupled P90 magazines, which are standard for the Kel-Tec P50. This setup allows for high-capacity configurations, typically with fifty-round magazines of 5.7mm ammunition.

Does the ST50 have accessory mounting options?

Yes, the ST50 features a 1913 rail at the rear for attaching braces or stocks, and a picatinny rail on top for mounting optics or other accessories. It also has a threaded barrel for suppressor compatibility.

What is a forced reset trigger (FRT) in the context of the ST50?

The ST50 is equipped with a forced reset trigger (FRT), which the presenter describes as a semi-automatic trigger. FRTs are known for their rapid firing capability, though they have faced scrutiny and restrictions on platforms like YouTube.

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