The Franklin Armory BFSIII HK-C1 is a three-position trigger system designed for compatible HK 91, 93, 94, and related platforms. Its selector provides safe, semi-automatic, and binary operating positions, while the curved trigger and ambidextrous safety selector support familiar controls. Compatibility may vary by housing and firearm configuration.

Key Specifications

• The trigger provides three-position operation with safe, semi-automatic, and binary settings.
• In binary mode, the system is designed to operate on pull and release.
• The trigger pull is approximately 4.5 pounds.
• The safety selector is ambidextrous.
• The system is intended for compatible HK 91, 93, 94, and MP5 variants and clones.
• The finish color is black.
• The frame material is listed as steel.
• Supplied product dimensions are 2.10 × 6.00 × 8.80.
• The trigger housing, ejector, ejector pin, and ejector spring are not included.
• Some firearms may require additional fitting or gunsmith installation.

The BFSIII HK-C1 is suited to owners seeking a purpose-built replacement trigger system for compatible HK-pattern firearms, with clearly defined selector positions and an ambidextrous control layout. Review the firearm configuration and applicable local requirements before installation, and use qualified instruction for operation.

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