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PSL builders, I need some help.

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  • Ryan in SD
    Senior Member
    • Apr 2009
    • 1966

    PSL builders, I need some help.

    1)How the heck did you guys press the barrel pin out, Ive never had one this frozen before. I think its going to take an act of god to get it out. I was considering drilling it out but then I saw this: Will this chuck/punch centering thingy help? I think it will but Ive never used one and dont know if its worth waiting for or buying.


    2)
    Also how is the center support/last bullet hold open suppose to be demilled and re-riveted? It looks like its impossible for the rivet to go all the way through so it must be 2 rivets???


    Where can i find a working mag for cheap? I already bought 2 from buymilsurp but they are pitted.

    What kind of accuracy are you getting with surplus?

    How much do you love our psl? Is it everything you expected it to be?

    I have a harris knockoff and a 8x42 posp, cant wait to finish her but Im still waiting on the receiver blank.


    Last edited by Ryan in SD; 04-02-2011, 3:20 PM.
  • #2
    Jerkdog
    Senior Member
    • Jan 2008
    • 603

    The punch centering tool works great, but you'll need some sort of backing plate to keep the trunnion from rocking or sliding.

    Try soaking it in kroil for a few days and then try again. I've heard some guys also heat up stubborn pins and then apply kroil while it's hot. Supposedly as it cools, the kroil gets sucked up in there better. Dunno about that, but it sounds good. An air chisel might also be enough to loosen that bad boy up - the varied shock waves can knock it loose vs. the constant pressure of the press.

    Good luck.
    "I carry a gun because a cop is too heavy."

    Comment

    • #3
      Ryan in SD
      Senior Member
      • Apr 2009
      • 1966

      Thanks jerk

      Comment

      • #4
        SJgunguy24
        I need a LIFE!!
        • May 2008
        • 14849

        I had a couple that didn't want to go so they got The Drickle's "ghettoskeeze" vise and sledge hammer trick. Basically you make a couple of tools to hold the trunnion off the face of the vise, and push on the pin at the same time. Get that set up I'm the vise and start loading up the pressure. When you can't turn the handle anymore, take your sledge hammer and hit the vise I'm the same direction you want the pin to go. It kills the service life of your vise but it works.
        I do the same thing with a shop press with some stuff too.
        There are 3 kinds of people in this world.
        The wise, learn from the mistakes of others.
        The smart, learn from their own mistakes.
        The others, well......they just never learn.

        "Is life so dear, or peace so sweet, as to be purchased at the price of chains and slavery? Forbid it, almighty God! I know not what course others may take; but as for me, Give Me Liberty, Or Give Me Death!"
        Patrick Henry.

        Comment

        • #5
          Ryan in SD
          Senior Member
          • Apr 2009
          • 1966

          Originally posted by SJgunguy24
          I had a couple that didn't want to go so they got The Drickle's "ghettoskeeze" vise and sledge hammer trick. Basically you make a couple of tools to hold the trunnion off the face of the vise, and push on the pin at the same time. Get that set up I'm the vise and start loading up the pressure. When you can't turn the handle anymore, take your sledge hammer and hit the vise I'm the same direction you want the pin to go. It kills the service life of your vise but it works.
          I do the same thing with a shop press with some stuff too.
          Heh, I tried that already and i pretty much broke my vise, though I didnt use a hammer which might be the difference, I used a cheater bar instead which does nothing for the static friction :-\

          back to the drawing board...
          *retrevies sledge hammer*

          Comment

          • #6
            SJgunguy24
            I need a LIFE!!
            • May 2008
            • 14849

            Originally posted by Ryan in SD
            Heh, I tried that already and i pretty much broke my vise, though I didnt use a hammer which might be the difference, I used a cheater bar instead which does nothing for the static friction :-\

            back to the drawing board...
            *retrevies sledge hammer*
            The sledge is the ticket. Think impact drill. I've popped pins with a little 12 ton press that IMO would buckle 20 tons just because I used that impact to get the pin to start moving.
            There are 3 kinds of people in this world.
            The wise, learn from the mistakes of others.
            The smart, learn from their own mistakes.
            The others, well......they just never learn.

            "Is life so dear, or peace so sweet, as to be purchased at the price of chains and slavery? Forbid it, almighty God! I know not what course others may take; but as for me, Give Me Liberty, Or Give Me Death!"
            Patrick Henry.

            Comment

            • #7
              Ryan in SD
              Senior Member
              • Apr 2009
              • 1966

              Alrighty, so what then about the wierd center support/bolt hold open? How do you guys deal with riveting those?

              Comment

              • #8
                Ryan in SD
                Senior Member
                • Apr 2009
                • 1966

                AHHHHHH I GOT IT!!! WHOOOOOOOOOOOOOOO

                I just did the touch down dance.

                Man o man, that was a tough SOB pin. I used a cut off end of a allen wrench and a little custom metal trunnion support.



                I used this in the vise with no success beleive it or not, I think my vise is totalled now

                I wound up using my 12 ton press, thanks for the help.

                If anyone can answer my other questions that would be great. Thanks folks.

                Comment

                • #9
                  SJgunguy24
                  I need a LIFE!!
                  • May 2008
                  • 14849

                  Originally posted by Ryan in SD
                  Alrighty, so what then about the wierd center support/bolt hold open? How do you guys deal with riveting those?
                  I'd have to see it, I haven't built a PSL yet but I have yet to be beaten by a build. One really good reason to keep plenty of round and flat stock and a welding machine around. Building custom jigs is one part of gunsmith work that never gets old.
                  Good job, getting that pin out. Did you high 5 yourself?
                  There are 3 kinds of people in this world.
                  The wise, learn from the mistakes of others.
                  The smart, learn from their own mistakes.
                  The others, well......they just never learn.

                  "Is life so dear, or peace so sweet, as to be purchased at the price of chains and slavery? Forbid it, almighty God! I know not what course others may take; but as for me, Give Me Liberty, Or Give Me Death!"
                  Patrick Henry.

                  Comment

                  • #10
                    Ryan in SD
                    Senior Member
                    • Apr 2009
                    • 1966

                    Originally posted by SJgunguy24
                    Did you high 5 yourself?
                    Without hesitation, repeatedly.

                    Heres the bolt hold open


                    more pics at bottom of page
                    The Romanian PSL sniper rifle is commonly encountered now in the US, often sold as a "Dragunov" to the unwary, it is cosmetically similiar & uses the same basic style furniture but is a different rifle. The PSL uses an RPK reciever (stamped versus the milled Dragunov receiver) w/the AK long stroke piston for the 7.62x54r cartridge, they also have a bolt hold open device built into the receivr. Most are found w/Russian scopes but the military guns use a Romanian version of the Soviet PSO1 scop...

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