Marlin, continued

 

   The first step in slicking this marlin was to remove the bolt and take it down to the point where we could get to the cartridge ejector.  Without changing any of the angles, he removed any burrs from the ejector so it would smoothly work with the casing.

 

Fig 1

   In addition, Howdy polishes the top and bottom of the bolt with a fine file or stone to remove burrs and allow the bolt to move in and out without as much friction.  Figure 1 shows the parts after they have been polished and now operate very smoothly.

  Howdy also says that he compresses the ejector spring about 1/3 of the way and then polishes a little metal from each side to make the ejector just a little sloppy.  He uses 600 grit sandpaper to do this polishing.  I would recommend using unscented mineral spirits to keep the material from clogging the the grit.

  

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Fig 2

     The next step in helping the marlin to shoot smoother is to round the hammer where the bolt contact the hammer to cock the action.  Smoothing, polishing, and rounding the sharper corner of the Marlin hammer will help ease the transition from resting to cocked. 

   I caution people when it comes to rounding hammers, because taking off just a little too much is enough to prevent the gun from cocking properly.  Only work with a little material at a time and it is much better to just smooth the contour of the hammer than to do too much rounding.  Figure 2 shows the rounded hammer in the area where the bolt pushes it to the cocked position.

    Howdy also recommends reducing the tension on the safety spring located down in the bottom of the receiver.  It can just barely be seen in figure 3 down in the bottom of the receiver. 

 

Figure 3

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    Howdy suggests going down to the bottom of the receiver with a pair of needle nose pliers and slightly bend the safety spring just enough to reduce the tension a little.

   Howdy also recommends polishing everything that rubs together to prevent any unnecessary friction.  Given a little careful polishing of the action of the Marlin, it should improve the feel considerably.

   The single piece firing pin kit comes with a lighter set of springs, but how can you tell if your firing pin has enough energy?  Howdy lets a Bic pen slide down the barrel of an unloaded gun and then pulls the trigger to see if the pin can be launched out the end of the barrel.  He  held the rifle straight up and actually launched a pen out the end of the barrel.

Howdy Doody, with Ghostwriting by Mohave Gambler.

 

Mohave Gambler

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