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Help on DPMS barrel break in procedure.

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  • Viper49
    Senior Member
    • Feb 2007
    • 520

    Help on DPMS barrel break in procedure.

    Just brought this DMPS Model FTBL-LR-03 from Midway, while I am open the box and inspect the upper, there a DPMS barrel information included with the upper, in it DPMS suggest that to achieve the best results for accuracy, I should clean the chamber and bore after every round for the first 25 rounds and then every 10 rounds up to 100 rounds. Then it said it usually takes about 200 rounds per barrel for barrels optimum accuracy. So anyone here follows this procedure, or some other break in procedure?
    Thanks for the reply in advance.
  • #2
    M. Sage
    Moderator Emeritus
    CGN Contributor - Lifetime
    • Jul 2006
    • 19759

    IMO they're full of crap. Just shoot it.

    A friend of mine got one of their LR-308 rifles, it didn't print tighter groups after he slavishly spent all that money on ammo and all that time to "break the barrel in" using their procedure.
    Originally posted by Deadbolt
    "We're here to take your land for your safety"

    "My Safety?" *click* "There, that was my safety"
    sigpicNRA Member

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    • #3
      NRAhighpowershooter
      Super Moderator
      CGN Contributor - Lifetime
      • Jun 2003
      • 6485

      Originally posted by M. Sage
      IMO they're full of crap. Just shoot it.

      A friend of mine got one of their LR-308 rifles, it didn't print tighter groups after he slavishly spent all that money on ammo and all that time to "break the barrel in" using their procedure.
      +1 shoot it.........
      'Just Don't Point, Squint, and Laugh! '

      Distinguished Rifleman Badge #2220

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      • #4
        gregorylucas
        Senior Member
        • Mar 2008
        • 509

        I agree with the above posters. I have 2 uppers in 20" and 24" from DPMS-I did not use this procedure and I still get 1 MOA.

        -Greg

        Comment

        • #5
          Viper49
          Senior Member
          • Feb 2007
          • 520

          Thanks Guy,

          Comment

          • #6
            coop44
            Senior Member
            • Apr 2009
            • 1445

            Originally posted by M. Sage
            IMO they're full of crap. Just shoot it.

            A friend of mine got one of their LR-308 rifles, it didn't print tighter groups after he slavishly spent all that money on ammo and all that time to "break the barrel in" using their procedure.
            ditto, unless you are a true ar fanatic then it doesn't matter, sit in your room "cycling your action" hoping your mom doesn't walk in on you.
            "There's no way to rule innocent men. The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws" From Atlas Shrugged by Ayn Rand

            Comment

            • #7
              Twystd1
              Superfluous
              CGN Contributor - Lifetime
              • Oct 2009
              • 2692

              If it is a new barrel.

              CLEAN THE BARREL BEFORE YOU SHOOT IT. ! ! !

              On occasion there can be some shreds of steel in the bore from crowning or breech boring. You don't want to shoot lead across any debris.

              other than that.... Shoot it like you stole it.

              Cheers,
              Twystd1

              Comment

              • #8
                Harley
                Senior Member
                • Jan 2008
                • 1782

                Comment

                • #9
                  TURBOELKY
                  Senior Member
                  • Aug 2009
                  • 1930

                  My buddy who was a professional shooter, does that break in prodecure. It is recommended for a reason. It it like a new engine break in procedure. Yes, the engine will run for a long time without breaking it in properly (unless its a flat tappet cam) but proper break in promotes a better piston ring seal, and compression consistentcy. So breaking in your barrel is a good ideal if you want the absolute BEST for your rifle, but not breaking it in properly (taking your time) will only result in your rifle not being its "most accurate". HTH Sorry for the odd analogy, but i'm a car guy first


                  I'm going to catch some crap for this, I already know.....
                  sigpic
                  TURBOELKY

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                  • #10
                    TURBOELKY
                    Senior Member
                    • Aug 2009
                    • 1930

                    Originally posted by Harley
                    this guy in the video is an idiot...PERIOD!
                    Even if you have the money to replace your rifle every day, you just dont treat things like that.. glad he's not my buddy, I'd slap his face.
                    sigpic
                    TURBOELKY

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                    • #11
                      Viper49
                      Senior Member
                      • Feb 2007
                      • 520

                      WOW, that is not my break in procedures, I love my rifles and pistols
                      My normal break in a new rifle procedure are to first clean the bore, then inspect the bore and lube all moving parts before goes to the range and have fun.

                      Comment

                      • #12
                        DJBSR
                        Member
                        • Aug 2008
                        • 151

                        I don't believe in cleaning it after every round but would run a bore snake through it after a few rounds for 10 or 20 rounds. And definitely clean well prior to taking it out.
                        sigpic

                        Comment

                        • #13
                          TURBOELKY
                          Senior Member
                          • Aug 2009
                          • 1930

                          I personally did not go through the extensive break in procedure, but I did and will continue to bore snake it after each magazine/10 rds. for a few hundred more. I think that's plenty.
                          sigpic
                          TURBOELKY

                          Comment

                          • #14
                            popeye4
                            Senior Member
                            • Nov 2008
                            • 1534

                            The break in procedure is intended to smooth out any roughness in the throat from manufacturing (if it is a quality barrel, the bore should be fine). It might help make it easier to clean in the future and might improve accuracy. Cleaning after every shot removes the copper that might be left behind (and will prevent the next bullet from continuing to burnish the barrel).

                            The DPMS (or any other) break in procedure is not absolute. Here is what Krieger recommends: http://www.kriegerbarrels.com/Break_...246-wp2558.htm

                            If you don't want to do that, you could get this kit: http://www.superiorshootingsystems.c...ADING-TMS.html. It is made by David Tubb and he knows his stuff. If you don't reload, he sells the TMS as loaded ammo: http://www.superiorshootingsystems.c...-DTAC_TMS.html
                            Last edited by popeye4; 12-06-2009, 10:01 AM.
                            sigpic
                            NRA Life Member
                            CRPA Life Member

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                            • #15
                              Viper49
                              Senior Member
                              • Feb 2007
                              • 520

                              Thanks popeye4.
                              I will try the Krieger suggestion and see what it would do to my DPMS stainless barrel.

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