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Thread: Cz457 mtr

  1. #1
    Join Date
    Jan 2023
    Location
    Swadlincote
    Posts
    1

    Cz457 mtr

    I have recently bought myself a new CZ457 with Walnut stock. A very nice rifle with good accuracy. There is a problem. The trigger weight from the factory is 4lbs. This is too high for a target rifle. A spring kit is available from the USA and I bought one and fitted it. This reduced the trigger pull to 1.8lbs which I think is still too heavy for a target rifle. The next step is to fit a Timney trigger for £200. This will allow the trigger to be adjusted down to 10 ounces, which is a little light, I would prefer about 1lb. Why does an excellent target rifle have such a poor trigger?

  2. #2
    Join Date
    Jul 2006
    Location
    Rainham Essex.
    Posts
    1,699
    I recently bought a synthetic 457 and the trigger spring was heavy so i replaced it with a Biro spring and now it is just under a lb.
    Sweet as a nut. I use mine for rabbiting.

  3. #3
    Join Date
    Aug 2003
    Location
    Coventry
    Posts
    589
    I thought the 457 trigger was fully adjustable, unlike the old 452.

  4. #4
    Join Date
    Jul 2006
    Location
    Rainham Essex.
    Posts
    1,699
    Quote Originally Posted by Drew 3 View Post
    I thought the 457 trigger was fully adjustable, unlike the old 452.
    I tried adjusting mine as seen on youtube but it made no difference. So a lighter spring was the answer.

  5. #5
    Join Date
    Apr 2014
    Location
    Watford
    Posts
    890
    There are a few suggestions online on how to tune up the triggers such as the following .

    https://www.rimfirecentral.com/threa...wrong.1200909/

  6. #6
    Join Date
    Feb 2023
    Location
    mansfield
    Posts
    9
    Quote Originally Posted by samboy View Post
    I recently bought a synthetic 457 and the trigger spring was heavy so i replaced it with a Biro spring and now it is just under a lb.
    Sweet as a nut. I use mine for rabbiting.
    my friend did this to mine, perfect now

  7. #7
    Join Date
    Dec 2012
    Location
    The Valleys of South Wales
    Posts
    2,147
    Quote Originally Posted by jonno12345 View Post
    my friend did this to mine, perfect now
    Iíve done this on a dozen or more czís down the club. It makes a huge difference. Easy to do and equally easy to undo.

    I think the manufacturers put a huge trigger pull on as standard so that you canít sue them if you have an accidental discharge.
    [I]DesG
    Always try to learn from other people's mistakes- You haven't time to make them all yourself!

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