ZF-5 9mm Trigger Pack Assembly The ZF-5 Trigger Pack Assembly features Zenith’s proprietary machined and TIG welded steel trigger box for increased rigidity and the tightest tolerances on the market. All internal steel components are heat treated before manganese phosphate coating and polishing, adding to long-term reliability and corrosion resistance.

• Made in the USA
• Counts as four 922R parts
• Includes: ZF-5 9mm Trigger Pack Assembly