Broken sear spring

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  • Merc
    Senior Member
    • Feb 2016
    • 1690

    #1

    Broken sear spring

    I pulled out my 1944 Enfield No 4 Mk 1* recently to get it ready for the range and noticed the trigger has no resistance in the first stage. I assume this condition is being caused by a broken sear spring. Has anyone successfully replaced a No. 4 Mk 1* sear spring, or is this a job that’s complicated and best handled by a gunsmith?
  • Sunray
    Senior Member
    • Sep 2009
    • 3251

    #2
    You can see if the spring is broken just by looking. Simply take the stock off.
    Enfields are fairly easy to work on. Replacing the sear spring isn't difficult. Takes needle nosed pliers and a screw driver.
    The old Surplus Rifles disassemble/assembly How-to is here.

    Exploded No. 4 Rifle drawing is here. http://stevespages.com/ipb-leeenfield-no4.html
    $6.45 each for a used, "condition may vary" sear spring from Gunparts. Listed for who knows why under 'SMLE'. A No. 4 is not an SMLE.
    Spelling and grammar count!

    Comment

    • Merc
      Senior Member
      • Feb 2016
      • 1690

      #3
      Originally posted by Sunray
      You can see if the spring is broken just by looking. Simply take the stock off.
      Enfields are fairly easy to work on. Replacing the sear spring isn't difficult. Takes needle nosed pliers and a screw driver.
      The old Surplus Rifles disassemble/assembly How-to is here.

      Exploded No. 4 Rifle drawing is here. http://stevespages.com/ipb-leeenfield-no4.html
      $6.45 each for a used, "condition may vary" sear spring from Gunparts. Listed for who knows why under 'SMLE'. A No. 4 is not an SMLE.
      Thanks for the info. New sear springs are offered at Springfield Sporters. I was going to order one but I thought I’d better take a closer look at the trigger mechanism before ordering a new spring and found it to be in one piece and in good shape. The sear spring also holds the magazine in place. Trigger resistance in stage one when the bolt is cocked feels normal. Un-cocked, it feels loose but that must be normal.

      Comment

      • JB White
        Senior Member
        • Aug 2009
        • 13371

        #4
        Without the sear engaging the cocking piece, the trigger can feel a bit "floppy" and that is normal. So long as the spring is good and it's holding the mag release in place...fuggetaboutit
        2016 Chicago Cubs. MLB Champions!


        **Never quite as old as the other old farts**

        Comment

        • Merc
          Senior Member
          • Feb 2016
          • 1690

          #5
          I admire my No. 4 and think it’s a really great shooting rifle but it sure is a different animal in many ways, i.e. the floppy trigger, odd caliber, bolt head construction, simple web sling, rimmed ammo, 2 piece stock, brass butt plate, 10 round external mag, overly spacious chamber. Definitely engineered by the Brits.

          Comment

          • JB White
            Senior Member
            • Aug 2009
            • 13371

            #6
            Be glad there is nothing electrical about them. You'd also have Lucas wiring!
            2016 Chicago Cubs. MLB Champions!


            **Never quite as old as the other old farts**

            Comment

            • Merc
              Senior Member
              • Feb 2016
              • 1690

              #7
              Ever look under the hood of a Rolls Royce?

              Comment

              • JB White
                Senior Member
                • Aug 2009
                • 13371

                #8
                Originally posted by Merc
                Ever look under the hood of a Rolls Royce?
                I think there's a law which doesn't allow me anywhere near a Rolls Royce.
                2016 Chicago Cubs. MLB Champions!


                **Never quite as old as the other old farts**

                Comment

                • Merc
                  Senior Member
                  • Feb 2016
                  • 1690

                  #9
                  The Brits obviously like complicated designs IMHO. The rifles and cars they build are great examples.

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