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  • #1
    ktom300
    Member
    • Sep 2008
    • 124

    FSB installation

    I ordered a new FSB from Midway for a .625 barrell. Unfortunately it did not come with taper pin holes. What am I missing here? Am I supposed to drill holes?
    Tags: None
    • #2
      Roccobro
      Veteran Member
      • Feb 2007
      • 2907
      Originally posted by ktom300
      I ordered a new FSB from Midway for a .625 barrell. Unfortunately it did not come with taper pin holes. What am I missing here? Am I supposed to drill holes?
      Yes. Bust out your finest measuring device and figure where you need to drill so the pin is 50% into the barrel surface when installed.

      Justin
      For any questions contact me by email.
      Thanks,
      Justin
      Originally posted by ar15barrels
      Sometimes, arguing just for the sake of arguing, can be fun.
      Originally posted by DannyZRC
      no it can't!
      Originally posted by ar15barrels
      YES IT CAN!
      "Pink rifle disease... SPREAD IT!"

        Comment

        • #3
          foxtrotuniformlima
          Veteran Member
          • Nov 2008
          • 3457
          The FSB doesn't have holes ? or the barrel ?
          Anyone press will hear the fat lady sing.

          Originally posted by Vin Scully
          Don't be sad that it's over. Smile because it happened.
          Originally posted by William James
          I cannot allow your ignorance, however great, to take precedence over my knowledge, however small.
          Originally posted by BigPimping
          When you reach the plateau, there's always going to be those that try to drag you down. Just keep up the game, collect the scratch, and ignore those who seek to drag you down to their level.
          .

            Comment

            • #4
              ktom300
              Member
              • Sep 2008
              • 124
              FSB has no holes. Seems like they should be drilled as a set. Otherwise how would you know where to drill on the FSB?

                Comment

                • #5
                  DREADNOUGHT78
                  CGN/CGSSA Contributor
                  CGN Contributor
                  • Jan 2009
                  • 4147
                  Randal will be here shortly to show you the jig used to set the FSB for drilling it is to be done while on the barrel (unless he is tired of posting it). I thought about it once then decided it was easier to just buy barrels with them installed.

                    Comment

                    • #6
                      ktom300
                      Member
                      • Sep 2008
                      • 124
                      The barrel already has holes as it had an FSB installed. I cut the posts off when I was running a scope and now I regret it. If it were a standard .750 barrel it would be very easy to find a used FSB w/holes and pins. Since it's .625, things are slightly more complicated.

                        Comment

                        • #7
                          chuck762
                          Senior Member
                          • Jun 2006
                          • 1049
                          Originally posted by ktom300
                          The barrel already has holes as it had an FSB installed. I cut the posts off when I was running a scope and now I regret it. If it were a standard .750 barrel it would be very easy to find a used FSB w/holes and pins. Since it's .625, things are slightly more complicated.
                          Even if you had a .750 barrel the chances of a FSB matching are slim. They are drilled on the barrel at the same time. Even from the same company there is no guarantee they would line up.

                            Comment

                            • #8
                              ktom300
                              Member
                              • Sep 2008
                              • 124
                              So what is one supposed to do? Never run a standard FSB again? Seems odd.

                                Comment

                                • #9
                                  kendog4570
                                  Calguns Addict
                                  • Dec 2008
                                  • 5180
                                  I can do it for you if you are in the central coast area. PM sent.

                                    Comment

                                    • #10
                                      ar15barrels
                                      I need a LIFE!!
                                      • Jan 2006
                                      • 57134
                                      Originally posted by ktom300
                                      So what is one supposed to do? Never run a standard FSB again? Seems odd.
                                      Get a clamp-on flip up front sight.
                                      Or sell the barrel and buy something else.
                                      There's no standardization of pin hole location.
                                      Barrels and sights are drilled as a mated pair.
                                      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

                                        • #11
                                          foxtrotuniformlima
                                          Veteran Member
                                          • Nov 2008
                                          • 3457
                                          Found this:
                                          BRD Engineering
                                          http://www.brdengineering.com/FSB_Installation_Jig.php
                                          EMAIL: BRDE@ENGINEER.COM JIGS ARE MADE TO ORDER PLEASE ALLOW 10-15 BUSINESS DAYS
                                          Anyone press will hear the fat lady sing.

                                          Originally posted by Vin Scully
                                          Don't be sad that it's over. Smile because it happened.
                                          Originally posted by William James
                                          I cannot allow your ignorance, however great, to take precedence over my knowledge, however small.
                                          Originally posted by BigPimping
                                          When you reach the plateau, there's always going to be those that try to drag you down. Just keep up the game, collect the scratch, and ignore those who seek to drag you down to their level.
                                          .

                                            Comment

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