IMG 5556

Published on November 21, 2025
Duration: 1:42

This guide details the customization of a Springfield Armory SA-35 pistol by MK3 Firearms. The build features a satin black finish, upgraded sights (Trijicon HD front, Heinie Mil-Spec Ledge rear), enhanced controls (RDIH slide release, LOK Ridgeback grips), and significant internal work including a Cylinder & Slide ring hammer and a MK3 single-stage trigger job with a flattened trigger and audible reset. The barrel boasts an 11-degree crown, and the slide receives custom serrations. This comprehensive build focuses on performance and ergonomics.

Quick Summary

The custom Springfield Armory SA-35 by MK3 Firearms boasts a satin black finish, Trijicon HD front sight, Heinie rear sight, LOK Ridgeback grips, Cylinder & Slide ring hammer, and a refined MK3 single-stage trigger job with an 11-degree crowned barrel for enhanced performance and ergonomics.

Chapters

  1. 00:00Introduction to Custom SA-35
  2. 00:11Barrel Crown & Front Sight
  3. 00:21Rear Sight & Hammer Milling
  4. 00:31Slide Release, Grips & Trigger Guard
  5. 00:41Trigger & Beavertail Details
  6. 00:49Trigger Action Demonstration
  7. 01:04Slide Serrations & Finish

Frequently Asked Questions

What are the key custom upgrades on the Springfield Armory SA-35 shown?

The custom SA-35 features a satin black finish, Trijicon HD front sight, Heinie Mil-Spec Ledge rear sight, Cylinder & Slide ring hammer, RDIH slide release, LOK Ridgeback grips, and a MK3 single-stage trigger job with an 11-degree crowned barrel.

What type of sights are recommended for this custom SA-35 build?

The build utilizes a Trijicon HD front sight with a high-visibility yellow ring for rapid target acquisition and a Heinie Mil-Spec Ledge rear sight, known for its snag-free design and clear sight picture.

What improvements does the MK3 trigger job offer on the SA-35?

The MK3 trigger job focuses on achieving a clean, single-stage break with a distinct, audible reset. This enhances shooting precision and allows for faster follow-up shots.

What is the significance of the 11-degree barrel crown on this custom SA-35?

An 11-degree barrel crown is a precision machining technique at the muzzle. It aims to ensure a more consistent release of the bullet upon exiting the barrel, potentially leading to improved shot-to-shot accuracy.

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