CZ 75 B .40 S&W Custom

Published on November 5, 2025
Duration: 1:14

This video showcases a custom CZ 75 B pistol in .40 S&W, detailing modifications performed by MK3 Firearms. Key upgrades include a ported barrel with triple in-line ports, a single-stage short-reset trigger job, and Cerakote finishes in smoked bronze and graphite black. Dawson fiber optic sights were also installed. The firearm was restored from a rough internal condition.

Quick Summary

MK3 Firearms showcases a custom CZ 75 B in .40 S&W, featuring a ported barrel with triple in-line ports, a single-stage short-reset trigger job, and Cerakote finishes in smoked bronze and graphite black. Dawson fiber optic sights were also installed on this restored firearm.

Chapters

  1. 00:00Introduction to MK3 Firearms
  2. 00:03CZ 75 B .40 S&W Overview
  3. 00:17Barrel Porting Details
  4. 00:24Trigger Job: Single Stage Short Reset
  5. 00:31Cerakote Finishes: Smoked Bronze & Graphite Black
  6. 00:42Dawson Fiber Optic Sights Installation
  7. 00:56Firearm Restoration from Rough Condition
  8. 01:06Conclusion and Viewer Questions

Frequently Asked Questions

What modifications were made to the CZ 75 B .40 S&W in the MK3 Firearms video?

The CZ 75 B received a ported barrel with triple in-line ports, a single-stage short-reset trigger job, and Cerakote finishes in smoked bronze (frame) and graphite black (slide). Dawson fiber optic sights were also installed.

What caliber is the custom CZ 75 B featured, and how does it compare to 9mm?

The custom CZ 75 B is chambered in .40 Smith and Wesson. This caliber is described as being a bit bigger and 'poppier' than 9mm ammunition.

What type of trigger work was performed on the CZ 75 B?

A good old-fashioned single-stage trigger job with a short reset was performed. This modification aims to improve the trigger pull by reducing its travel and reset distance for faster follow-up shots.

What Cerakote colors were used on the custom CZ 75 B?

The frame of the CZ 75 B was finished in Cerakote 'smoked bronze,' while the slide received a 'graphite black' Cerakote coating. These finishes provide both durability and a custom aesthetic.

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