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Timney CZ 457 Adjustable Left-Hand Straight Trigger

UPC: 081950294565

$144.99

3 in stock

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Description

The CZ 457 is one of the best rimfire platforms you can build on, and the one thing that holds most of them back is a factory trigger that leaves accuracy on the table. Timney's answer is a fully machined replacement that gives you a clean single-stage break and a pull weight you can dial in yourself. This is the left-hand configuration with a straight trigger shoe, so lefties get the same ergonomic advantage right-handed shooters have enjoyed for years, plus that flat-face geometry a lot of precision folks swear by for consistent finger placement.

Every part is cut from premium tool steel and held to tight tolerances, with no metal injection molding or stamped components anywhere in the assembly. The sear and trigger shoe are heat treated to 56 Rockwell, the shoe wears a black oxide finish, and the sear gets an NP-3 coating for slick, low-friction engagement that holds up over the long haul. It ships factory set around 1 pound, and you can adjust anywhere from 10 ounces up to 2 pounds to suit target work, hunting, or NRL22 and PRS rimfire matches.

What Sets the Timney CZ 457 Straight Trigger Apart

The standout feature is Timney's Sear Engagement Adjustment Lock, or SEAL'd design. It lets you tune sear engagement and then lock the setting so it stays put, which takes the guesswork out of a job that used to require a steady hand and a lot of patience. Overtravel is adjustable too, so you can shave the movement after the break down to almost nothing.

Installing the Left-Hand Straight Trigger in Your CZ 457

This is a true drop-in unit that fits CZ 457 actions across the variant lineup, and most people have it swapped in with basic hand tools in a few minutes. No fitting, no filing, no gunsmith trip. Folks who have run it consistently mention how easy the swap is and how much cleaner the break feels compared to the factory unit, even ones that were already running a spring kit. It's backed by Timney's lifetime warranty, which tells you they stand behind it.

Key Specifications

  • Manufacturer: Timney
  • Manufacturer Part Number: CZ457STLH
  • UPC: 081950294565
  • Model: CZ 457
  • Fits: CZ 457 actions
  • Trigger Shoe: Straight, Left-Hand
  • Trigger Type: Single Stage
  • Pull Weight Range: 10 oz to 2 lb
  • Factory Setting: Approximately 1 lb
  • Overtravel: Adjustable
  • Sear Adjustment: SEAL'd (Sear Engagement Adjustment Lock)
  • Material: Machined tool steel, alloy housing
  • Hardness: 56 Rockwell (sear and shoe)
  • Finish: Black oxide shoe, NP-3 coated sear
  • Safety: Trigger-blocking 2-position safety
  • Warranty: Timney Lifetime Warranty

What’s Included

  • Timney CZ 457 left-hand straight trigger assembly
  • Installation and adjustment instructions

Frequently Asked Questions

Will the Timney CZ 457 straight trigger fit all CZ 457 variants?

Yes, this trigger is designed as a direct replacement for CZ 457 actions across the lineup, including models like the Varmint, AT-ONE, and MTR. It's a true drop-in, so no fitting or modification is needed. Basic hand tools are all you'll need to get it installed.

How light can I set the pull weight on this trigger?

The pull weight adjusts from as low as 10 ounces up to 2 pounds. It typically ships factory set around 1 pound, and many owners report getting theirs down to the 8 to 10 ounce range with no trouble. You can tune it to whatever suits your target, hunting, or competition needs.

Do I need a gunsmith to install the Timney CZ 457 trigger?

No gunsmith required. This is a drop-in replacement that most people install themselves in just a few minutes with common hand tools. The included instructions walk you through the swap and the pull weight, sear engagement, and overtravel adjustments.

What is the difference between the straight and curved trigger shoe?

The straight, or flat-face, shoe gives you a more consistent finger placement and a straight-back pull that a lot of precision shooters prefer. The curved shoe follows a more traditional profile. Both break the same way internally, so it comes down to personal preference and feel.

Additional information

UPC

081950294565

Manufacturer

Manufacturer Part Number

CZ457STLH

Color

CZ 457 LEFT HAND

Model

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