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2 stupid questions

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  • 2 stupid questions

    I've never owned a handgun with "polygonal" rifling until I recently purchased a P380. The rifling is barely visible in the barrel, and is not cut. So my 2 stupid questions are these.

    1) how are these barrels made--is the rifling machined in

    2) without "cut" lands and grooves, how the heck does the polygonal
    rifling work ??
    I'll admit---I'm trigger happy

  • #2
    2 sorta stupid answers

    1 - they can either be machined or forged around a mandrel.

    2 - look down the barrel from the chamber end with it out of the gun. You'll see that it spirals.
    On the internet, the number of posts do not correlate to actual knowledge.
    The notch is supposed to be there as well as the bulge at the front of the frame!
    You can't stop insane people from doing insane things by passing insane laws.





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    • #3
      Thanks for the explanation MW surveyor !!
      I'll admit---I'm trigger happy

      Comment


      • #4
        You are very welcome. Sometimes I get things right.
        On the internet, the number of posts do not correlate to actual knowledge.
        The notch is supposed to be there as well as the bulge at the front of the frame!
        You can't stop insane people from doing insane things by passing insane laws.





        Comment


        • #5
          Hello, Flincher, and welcome from Missouri to a really great forum. Good people and info here!

          And, best wishes for a safe, prosperous New Year to you and yours.
          Geologist Bob
          US Navy P-3 Pilot, Army Guard Huey & Blackhawk Pilot (ret.)

          Comment


          • #6
            Take a look down a CZ82 or 83 chambered in 9mm Mak. You'll swear it's a smoothbore. It isn't. It doesn't take much to get a bullet to spin.

            My favorite polygonal barrel photo;

            Love that chamber.
            Judging by today's left wing, looks like Senator Joe McCarthy was right after all.

            Comment


            • #7
              Originally posted by ripley16 View Post
              Take a look down a CZ82 or 83 chambered in 9mm Mak. You'll swear it's a smoothbore. It isn't. It doesn't take much to get a bullet to spin.

              My favorite polygonal barrel photo;

              Love that chamber.
              Your so right Ripley. Recently I managed to get my hands on a very nice unisssed CZ82. When I first looked down the barrel I thought how can a pistol with such little to no use have a barrel that looks like a smooth bore. The polygonal spiral is not as pronounced as it is on the PM9. It is a shooter though.
              Welcome to the forum Flincher
              To be sure of hitting the target, shoot first and call whatever you hit the target.


              SHOOT STRAIGHT, RIDE SAFE

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              • #8
                stupid questions

                Thanks all for the informative responses and photo !!
                I'll admit---I'm trigger happy

                Comment


                • #9
                  I'd like to see what Jocko's PM9 barrel looks like after 32,000 rounds! I wonder if the bullets tumble and keyhole? Wonder if that is why he shoots it with the accuracy of a blunderbuss? LOL! I'm just ribbing you, Jocko!
                  Very interesting...

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                  • #10
                    questions

                    Originally posted by JFootin View Post
                    I'd like to see what Jocko's PM9 barrel looks like after 32,000 rounds! I wonder if the bullets tumble and keyhole? Wonder if that is why he shoots it with the accuracy of a blunderbuss? LOL! I'm just ribbing you, Jocko!
                    I'm really going to enjoy this forum. Seems like you people have more fun than the other thread I spend time on. I can stand a little good ribbin' my ownself once in a while.
                    I'll admit---I'm trigger happy

                    Comment


                    • #11
                      Well far be it from me to point out small details and all but you installed the handle on your revolver there bass ackwards or maybe not I guess depending on our mood and disposition at the time.

                      Something to take into consideration none the less.
                      http://bawanna45.wix.com/bawannas-grip-emporium#!
                      In Memory of Paul "Dietrich" Stines.
                      Dad: Say something nice to your cousin Shirley
                      Dietrich: For a fat girl you sure don't sweat much.
                      Cue sound of Head slap.

                      RIP Muggsy & TMan

                      Comment


                      • #12
                        stupid is as stupid does

                        Originally posted by Bawanna View Post
                        Well far be it from me to point out small details and all but you installed the handle on your revolver there bass ackwards or maybe not I guess depending on our mood and disposition at the time.

                        Something to take into consideration none the less.

                        Well Bawanna, I'm here to inform you that is a photo of the official sidearm of the NDNTDL. The NORTH DAKOTA NORWEGIAN TERRITORIAL DEFENSE LEAGUE.
                        I'll admit---I'm trigger happy

                        Comment


                        • #13
                          Originally posted by Flincher View Post
                          Well Bawanna, I'm here to inform you that is a photo of the official sidearm of the NDNTDL. The NORTH DAKOTA NORWEGIAN TERRITORIAL DEFENSE LEAGUE.
                          Well slap me and call me daddy I didn't know North Dakota had a Norwegian Territorial Defense League.

                          Learn something every day. I was ready for something Kervorkian.
                          http://bawanna45.wix.com/bawannas-grip-emporium#!
                          In Memory of Paul "Dietrich" Stines.
                          Dad: Say something nice to your cousin Shirley
                          Dietrich: For a fat girl you sure don't sweat much.
                          Cue sound of Head slap.

                          RIP Muggsy & TMan

                          Comment


                          • #14
                            Hello Flincher and welcome to Kahrtalk...This is by far the best gun related forum on the web, lots of good fun along with some serious question/answer discussion about all things Kahr or any other firearm for that matter....

                            Colonel Bawanna and Greg are great mods and let us have fun and pretty much anything goes to a point and then it will be corrected but all in all life here is lots of fun and a great place for meeting new friends and learning about Kahrs and the shooting sports in general....WARNING: Kahrtalk can become addictive...

                            Again, Welcome aboard and if you got a spare one of those backwards revolvers please ship it to: Senator Dianne Feinstein c/o Commiefornia State Capital/ US Senator offices with a note that this is the newest assault weapon and she should try it out immediately if not sooner for the protection of us all!!!!....
                            " An armed society is a polite society".... Robert A. Heinlein

                            Born under a bad sign with a blue moon in your eyes.......

                            Comment


                            • #15
                              You know thats a fine idea. They gave Reagan and both Bush's fine firearms during their presidencies. I'd send one to the current resident of the WHITE house. Seems only fitting.
                              http://bawanna45.wix.com/bawannas-grip-emporium#!
                              In Memory of Paul "Dietrich" Stines.
                              Dad: Say something nice to your cousin Shirley
                              Dietrich: For a fat girl you sure don't sweat much.
                              Cue sound of Head slap.

                              RIP Muggsy & TMan

                              Comment

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