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Adding a muzzle brake means working up new loads?

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  • Joefear7
    Member
    • Jan 2013
    • 449

    Adding a muzzle brake means working up new loads?

    So I'm adding a brake on my Savage 10 fcp-sr in .308. Is this going to change my barrel harmonics enough to have to rework my loads?
    "But mainly democrat voters would still vote Democrat if they elected Satan himself who ate babies as they came out of mother's wombs and killed people in the street. They hate republicans that much and are in that level of denial about what their party is about. They just simply can't handle the cognitive dissonance...." -Skilletboy
  • #2
    hermosabeach
    I need a LIFE!!
    • Feb 2009
    • 19314

    A good brake has not change my pOI
    Rule 1- ALL GUNS ARE ALWAYS LOADED

    Rule 2 -NEVER LET THE MUZZLE COVER ANYTHING YOU ARE NOT PREPARED TO DESTROY (including your hands and legs)

    Rule 3 -KEEP YOUR FINGER OFF THE TRIGGER UNTIL YOUR SIGHTS ARE ON THE TARGET

    Rule 4 -BE SURE OF YOUR TARGET AND WHAT IS BEYOND IT
    (thanks to Jeff Cooper)

    Comment

    • #3
      W.R.Buchanan
      Veteran Member
      • Jan 2008
      • 3376

      It might change the zero a little but you should have to change the load.

      Randy
      Rule #1 Liberals screw up everything they touch.
      Rule #2 Whatever they accuse you of, they are already doing.
      Rule #3 Liberals lie about anything no matter how insignificant.
      Rule #4 If all else fails, they call you a Racist!

      It's not how well you do what you know how to do,,, It is how well you do what you don't know how to do.
      www.buchananprecisionmachine.com

      Comment

      • #4
        russ69
        Calguns Addict
        • Nov 2009
        • 9348

        The real answer is: Maybe (seriously)
        sigpic

        Comment

        • #5
          Jimmy's
          Veteran Member
          • May 2016
          • 2600

          Never had one change but then I only shot them once and then tossed them. My ZERO stayed true after the removal. Not a fan at all!

          Comment

          • #6
            Joefear7
            Member
            • Jan 2013
            • 449

            Originally posted by Jimmy's
            Never had one change but then I only shot them once and then tossed them. My ZERO stayed true after the removal. Not a fan at all!
            Too much side/back blast?
            "But mainly democrat voters would still vote Democrat if they elected Satan himself who ate babies as they came out of mother's wombs and killed people in the street. They hate republicans that much and are in that level of denial about what their party is about. They just simply can't handle the cognitive dissonance...." -Skilletboy

            Comment

            • #7
              Jimmy's
              Veteran Member
              • May 2016
              • 2600

              Originally posted by Joefear7
              Too much side/back blast?
              Yes that plus the added length to the barrel and I'm already mostly deaf.

              Comment

              • #8
                Ki6vsm
                Senior Member
                • Sep 2013
                • 2354

                Well, I'm not sure how to judge a "good" brake exactly. On one of my ARs with a fluted "medium profile" 20" stainless barrel, I zeroed the scope with no brake on the barrel. Then I swapped out the thread protector for a VG6 Epsilon brake. Fired the same ammo at the same target. Five shots, all fell in about the same size grouping but 5" below the first group. I was surprised that little brake made such a difference. Chalk it up to affecting barrel harmonics I guess.

                BTW, that little brake also had my ears ringing pretty good. And this was with me wearing my Howard Leights over ear plugs. I pulled off the brake after a couple more groups fired.

                Comment

                • #9
                  MJB
                  CGSSA Associate
                  • Sep 2010
                  • 5925

                  Stay away from the brakes if you can I never found a pay off
                  One life so don't blow it......Always die with your boots on!

                  Comment

                  • #10
                    LynnJr
                    Calguns Addict
                    • Jan 2013
                    • 7956



                    It all depends on how much the muzzlebrake weighs.
                    It takes about 6 ounces to see any real world change.
                    After that the next change comes again at around 13 ounces.
                    The picture shows a day at the range checking tuner weights. Those shaft collars all weigh 1/2 ounce more than each other.
                    Last edited by LynnJr; 07-04-2018, 11:41 AM.
                    Lynn Dragoman, Jr.
                    Southwest Regional Director
                    Unlimited Range Shooters Association (URSA)
                    www.unlimitedrange.org
                    Not a commercial business.
                    URSA - Competition starts at 2000 yards!

                    Comment

                    • #11
                      Ki6vsm
                      Senior Member
                      • Sep 2013
                      • 2354

                      Originally posted by LynnJr

                      It all depends on how much the muzzlebrake weighs.
                      It takes about 6 ounces to see any real world change.
                      After that the next change comes again at around 13 ounces.
                      The picture shows a day at the range checking tuner weights. Those shaft collars all weigh 1/2 ounce more than each other.
                      Probably depends on the rifle and caliber too. And heavy barrel vs lighter barrel etc. In my above anecdote about the AR barrel, the VG6 Epsilon brake only weighs about 2.5 oz and created a 5" shift (downward) in POI. But perhaps my fluted Green Mountain barrel is a bit whippier than a heavier non-fluted kind of barrel.

                      Comment

                      • #12
                        LynnJr
                        Calguns Addict
                        • Jan 2013
                        • 7956

                        Yes the barrel makes a big difference. On a 1.450 straight cylinder barrel the weight needed is just around 51 ounces.
                        On a lightweight factory gun we would need someone to weigh up a Browning Boss and let us know how much it weighs.
                        This is why we develop the load with the gun in its final configuration.
                        Lynn Dragoman, Jr.
                        Southwest Regional Director
                        Unlimited Range Shooters Association (URSA)
                        www.unlimitedrange.org
                        Not a commercial business.
                        URSA - Competition starts at 2000 yards!

                        Comment

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