Description
Franklin Armory HK MP5K – BFSIII HK-C1 Binary SEF Navy Style Trigger Group
In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market. The BFSIII™ is ideal for tactical and competition use. The BFSIII™ provides greatly reduced split times between rounds and the ability to place two separate shots into a tighter group.
Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger pack box, trigger, hammer, and sear.
Please select the correct option.
Includes:
- Franklin Armory BFSIII HK-C1 Trigger Pack
- SEF Trigger Housing
- Installed 3rd Generation 9mm Ejector Lever
- Installed Ejector Axle Pin
- Installed Ejector Spring
Specifications:
- Clipped & Pinned/Push Pin Options
- Navy Style Housing
- Binary Trigger Group
- Ambidextrous
- 9mm
Compatible With:
- HK MP5K/SP5K 9mm
Trigger Operation:
- Position 1 – Safe – Will not fire.
- Position 2 – Semi – Fires 1 round per pull.
- Position 3 – Binary – Fires 1 round on pull and 1 round on release.









