Apex Competition Action Enhancement Kit for CZ Shadow Series Pistols

Description

The Apex Competition Action Enhancement Kit for CZ Shadow Series Pistols delivers a noticeably smoother and lighter trigger pull that directly improves your shooting experience. Designed specifically for the CZ Shadow and Shadow 2 series, this kit replaces the factory hammer and sear with precision-matched components engineered to work together right out of the box — no polishing or stoning required. The result is a clean, consistent single-action break and a stack-free double-action stroke that feels more controllable and predictable.

Key Performance Benefits:
With the included medium mainspring installed, you’ll see an approximate 6 lb. double-action pull followed by a crisp, sub-3 lb. single-action pull. Switching to the light mainspring drops the double-action to roughly 5.5 lb. and the single-action to about 2.75 lb. This gives you the flexibility to tune the trigger weight to your preference while maintaining reliable ignition. The matched engagement surfaces on the hammer and sear produce a consistent trigger break shot after shot, helping you stay on target during rapid strings or precision work.

Installation & Fitment:
This kit is designed as a direct drop-in replacement for the factory hammer and sear in CZ Shadow and Shadow 2 pistols. Installation is straightforward for anyone comfortable with basic pistol disassembly. Note that the sear may require minor fitting on the thumb safety leg — a simple adjustment that ensures proper engagement. For safety, we strongly recommend using only the factory firing pin and factory firing pin return spring with this kit. Substituting other firing pin components can introduce safety issues and is not supported.

What’s Included & Compatibility:
The kit comes with the Apex engineered hammer and sear, plus both medium and light mainsprings. It is intended for CZ Shadow, Shadow 2, and compatible CZ-pattern pistols used in competition or range shooting. This is not a full trigger system — it replaces only the hammer and sear to give you a performance upgrade without changing the entire fire control group.

• Double-action pull: ~6 lb. (medium mainspring) or ~5.5 lb. (light mainspring)
• Single-action pull: ~3 lb. (medium mainspring) or ~2.75 lb. (light mainspring)
• Installation: Direct replacement; sear may need minor thumb safety leg fitting
• Compatible with: CZ Shadow, Shadow 2 series pistols
• Safety note: Use only factory firing pin and factory firing pin return spring