The Rifle Basix Replacement Trigger For Cz 527 And Cz 550 converts the factory single-set trigger mechanism on compatible Česká zbrojovka bolt-action rifles into a crisp, fully adjustable single-stage trigger. Manufactured using CNC machining, investment casting, and wire-EDM processing, this mechanical unit replaces the forward-push factory set trigger to eliminate forward finger reach, loose unset take-up, and shoe jump while retaining the rifle's original factory safety.

Key Features

• Single-Stage Conversion: Replaces factory "push-forward" single-set stanchion assemblies with a predictable, single-stage break.
• Wide Adjustment Window: Features independent adjustment screws with locking jam nuts to calibrate sear engagement, over-travel, and trigger pull weight.
• Factory Hardware Integration: Installs directly into the factory trigger stanchion using an included 3 mm x 10 mm pivot pin, adjustment wrench, and replacement spring kit.
• Safety Retention: Functions entirely in conjunction with the original CZ factory safety mechanism without requiring receiver modifications.

Specifications

• Pull Weight Tuning Range (Supplied Spring): 12 oz to 3.0 lbs (approx. 340 g to 1.36 kg)
• Pull Weight Tuning Range (Factory Spring): Exceeding 3.0 lbs up to standard factory hunting weights
• Pivot Pin Dimensions: 3 mm x 10 mm
• Mechanism Type: Mechanical single-stage replacement trigger
• Rifle Compatibility: CZ 527 (mini-Mauser), CZ 550, CZ 550 Magnum, and CZ 453 rifles fitted with factory single-set trigger stanchions
• Power Requirements: None (fully mechanical gunsmith component)

Who is the Rifle Basix Replacement Trigger For Cz 527 And Cz 550 for?

• Long-range varmint hunters — Requires a consistent break on mini-Mauser platforms, utilizing this aftermarket rifle trigger to tune pull weight down to 12 oz to eliminate unset creep during precision pest shooting.
• Medium-to-big game stalkers — Needs a rugged, predictable single-stage trigger pull capable of handling heavy recoil up to 3.0 lbs without the forward reach or complex manipulation of a factory set shoe.
• Precision target shooters — Eliminates take-up and inconsistent sear release by setting this replacement trigger between 12 oz and 3.0 lbs using independent adjustment screws secured via the supplied 3 mm x 10 mm pivot pin.

Less suitable for: Shooters requiring ultralight trigger pull weights below the 12 oz minimum threshold, who are better served by purpose-built benchrest systems; or owners of modern CZ 600 platforms and non-set CZ 457/455 rimfire rifles, which require direct-fit aftermarket triggers designed for non-set housings.