About this product

Franklin Armory BFSIII Binary Trigger for HK MP5, SP5, and Zenith

The Franklin Armory BFSIII Binary Trigger, compatible with HK MP5, SP5, and Zenith models, features a 3-position firing system that enhances both tactical and competitive shooting experiences:

• Position 1: Safe – The firearm will not fire.
• Position 2: Semi-Automatic – Fires 1 round per pull.
• Position 3: Binary – Fires 1 round on the pull and 1 round on the release.

This innovative trigger system offers the fastest semi-automatic firing rate available, significantly reducing split times between shots. Ideal for tactical use and competitive shooting, the BFSIII Binary Trigger ensures precise, tight groupings and reliable performance.