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Forcing cone question?

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  • DRH
    Member
    • Oct 2005
    • 488

    Forcing cone question?

    I recently bought a new EMF revolver. It is shaving bullets badly. The bullet will pass through the cylinder chamber with very light pressure and the gap does not seem excessive. I do not see a forcing cone on the face of the barrel? A SWC bullet will not enter the face of the barrel. I do not have much SAA experience but something does not seem right. Any opinions are welcomed.

  • #2
    TKM
    Onward through the fog!
    CGN Contributor
    • Jul 2002
    • 10657

    You have a forcing block.

    It's not PTSD, it's nostalgia.

    Comment

    • #3
      p7m8jg
      Senior Member
      • Dec 2007
      • 1914

      When we carried revolvers and somebody's gun was shaving lead, it was a timing issue, as I recall. Cylinder was lining up just a hair too soon when the hammer hit the primer.

      Make sure it's really shaving lead. The gap will allow gasses and powder to escape. Sometimes people complain its shaving when they're only getting hit with powder fragments.

      Comment

      • #4
        G-forceJunkie
        Calguns Addict
        • Jul 2010
        • 6451

        Check the timing, but that forcing cone does not look as pronounced as I would expect either.

        Comment

        • #5
          ar15barrels
          I need a LIFE!!
          • Jan 2006
          • 57170

          I have the gauges and tooling to cut revolver forcing cones.
          From viewing that picture, I can almost assure that the forcing cone is not cut to the proper depth that would pass the forcing cone gauge because the gauge requires there to be a cone at least 0.020" deep out into the grooves of the rifling.
          Randall Rausch

          AR work: www.ar15barrels.com
          Handguns: www.handgunbarrels.com
          Bolt actions: www.700barrels.com
          Foreign Semi Autos: www.akbarrels.com
          Most work done while you wait on a scheduled shop visit.

          Comment

          • #6
            kendog4570
            Calguns Addict
            • Dec 2008
            • 5180

            Originally posted by DRH
            ... I do not see a forcing cone on the face of the barrel? ...



            That's because they left it out. There is none.
            When you have one cut, also have each chamber checked for barrel alignment at full cock. If it is really out of whack, a proper cone wont help much.

            EMF got their Colt clones from many makers over the years. Some OK, some not so much.
            I have forcing cone tooling as well.

            Comment

            • #7
              DRH
              Member
              • Oct 2005
              • 488

              I thought I was missing something. Randall I will make an appointment with you to get it corrected. Thanks.

              Comment

              • #8
                Sandspider500
                Senior Member
                • Apr 2018
                • 1146

                Whoa. No cone.
                Originally posted by Palmaris
                You should not worry about me. This web site is monitored by all kind of authorities and if they found this kind of post credible enough as threat, they might want to start investigation. I have no idea what can be outcome. Just saying.

                Comment

                • #9
                  DRH
                  Member
                  • Oct 2005
                  • 488

                  Looking at the primers, it looks like it also may have a timing issue.



                  Is that also easily correctable or should I send it back to the manufacturer.

                  Comment

                  • #10
                    kendog4570
                    Calguns Addict
                    • Dec 2008
                    • 5180

                    Originally posted by DRH
                    Looking at the primers, it looks like it also may have a timing issue.

                    Only Houdini can diagnose a timing issue from primer strikes. From pictures on the internet, no less.



                    Check the throat/barrel alignment at full cock first. Check for full cock and bolt/cyl lock being simultaneous, early, or late. Simultaneous is preferred. A late full cock is a sure fire indication of a "trigger job" by a sure fired unqualified person. Or a cheep spaghetti gun.

                    Comment

                    • #11
                      ar15barrels
                      I need a LIFE!!
                      • Jan 2006
                      • 57170

                      Originally posted by kendog4570
                      Check the throat/barrel alignment at full cock first. Check for full cock and bolt/cyl lock being simultaneous, early, or late. Simultaneous is preferred. A late full cock is a sure fire indication of a "trigger job" by a sure fired unqualified person. Or a cheep spaghetti gun.
                      That's already a known fact.
                      Randall Rausch

                      AR work: www.ar15barrels.com
                      Handguns: www.handgunbarrels.com
                      Bolt actions: www.700barrels.com
                      Foreign Semi Autos: www.akbarrels.com
                      Most work done while you wait on a scheduled shop visit.

                      Comment

                      • #12
                        ar15barrels
                        I need a LIFE!!
                        • Jan 2006
                        • 57170

                        Originally posted by DRH
                        Looking at the primers, it looks like it also may have a timing issue.



                        Is that also easily correctable or should I send it back to the manufacturer.
                        You would be sending it back to the importer, not the manufacturer.
                        The manufacturer is in Italy.
                        Re-timing the action is not "easy".
                        Most of the importers are not going to re-work a gun as they don't keep legitimate gunsmiths on retainer.
                        It costs around the same to send the gun back to Italy and then back to the USA as it does to replace it with another gun on hand.
                        They would rather replace it and see if you accept the replacement than try to fix the existing gun.
                        That will mean a re-DROS.
                        Randall Rausch

                        AR work: www.ar15barrels.com
                        Handguns: www.handgunbarrels.com
                        Bolt actions: www.700barrels.com
                        Foreign Semi Autos: www.akbarrels.com
                        Most work done while you wait on a scheduled shop visit.

                        Comment

                        • #13
                          bruce381
                          Senior Member
                          • Feb 2009
                          • 2453

                          yeah no forcing cone at all get it recut or send back

                          Comment

                          • #14
                            kendog4570
                            Calguns Addict
                            • Dec 2008
                            • 5180

                            Originally posted by ar15barrels
                            That's already a known fact.



                            Worst one I ever seen was a Great Western, made in the good ol' US of A.

                            Comment

                            • #15
                              kendog4570
                              Calguns Addict
                              • Dec 2008
                              • 5180

                              Originally posted by ar15barrels
                              You would be sending it back to the importer, not the manufacturer.
                              The manufacturer is in Italy...

                              Could be Germany too, depending on its age. Hawes/Sauer & Sohn were imported by EMF as well. These days I think they are Piettas.

                              Comment

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