Binary Trigger for B&T pistols by Franklin Armory

Published on June 20, 2018
Duration: 21:54

This guide details the installation and operation of the Franklin Armory Binary Trigger on a B&T GHM9 pistol, based on expert assessment from Military Arms Channel. It covers the unique 'one shot on pull, one shot on release' firing mode, potential malfunctions like 'hammer follow,' and provides techniques for reliable operation, especially for controlled bursts. The assessment highlights its suitability as a range accessory rather than a primary self-defense tool due to its mechanical limitations under extreme rapid fire.

Quick Summary

The Franklin Armory Binary Trigger for the B&T GHM9 fires one round on pull and one on release. While excellent for simulated rapid fire and controlled bursts, it can malfunction ('hammer follow') if cycled too fast. Expert assessment suggests it's best suited as a range accessory due to potential reliability issues under extreme stress.

Chapters

  1. 00:10Introduction to GHM9 & Binary Trigger
  2. 01:45Initial Range Testing & Malfunctions
  3. 02:38Mechanical Analysis of Hammer Follow
  4. 06:38Ammunition Compatibility Testing
  5. 09:49Internal Mechanism & Suppressed Fire
  6. 12:23Final Assessment & Pricing

Frequently Asked Questions

What is a binary trigger and how does it work on a B&T GHM9?

A binary trigger, like the Franklin Armory model for the B&T GHM9, fires one round when the trigger is pulled and a second round when the trigger is released. It features a three-position selector: Safe, Semi, and Binary.

What is 'hammer follow' when using a binary trigger?

Hammer follow is a malfunction where the hammer follows the bolt carrier group forward without resetting, often caused by cycling the binary trigger too rapidly. This results in a 'dead trigger' until manually reset.

Is the Franklin Armory Binary Trigger suitable for self-defense?

While fun for range use and capable of controlled bursts, the potential for hammer follow makes the binary trigger less suitable for serious self-defense scenarios compared to a standard trigger. It excels at simulating rapid fire.

What is the price of the B&T GHM9 with the Franklin Armory Binary Trigger?

As tested, the B&T GHM9 pistol package with the Franklin Armory Binary Trigger installed was available through Copper Custom for approximately $1,826.

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