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Process of breaking in new barrel and finding most accurate ammo, Reloading?

Discussion in 'Firearms Certificate (FAC) Guns' started by mattgriff88, Sep 7, 2014.

  1. mattgriff88

    mattgriff88 Busy Member

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    Location:
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    Hi,

    Im interested in knowing the process you take on breaking in a new barrel and finding the most accurate ammo through reloading?

    I have seen loads of different opinions ranging from just shooting and not cleaning the barrel at all to cleaning the gun every shot for the first 100.

    Do you start off with any ammo just to break the barrel in and then start experimenting with different loads?
     
    Last edited: Sep 7, 2014
  2. buffy vampire slayer

    buffy vampire slayer LOW BELLEND THRESHOLD

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    Location:
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    you`ll be very lucky if your gun shoots 100% from the first shot.
    I`ve had some that needed 100-200 shots to get them sweet.
    as far as cleaning a new gun goes I bore snake after every shot and then get the hoppes kit out every 10.
    works for me but other people do it differently.
     
  3. ratman60

    ratman60 Pro Poster

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    hello, what is your opinion? there is no right or wrong way, a new rifle a first barrel clean then its a matter of finding the right pellet but it is never 100%, some clean often but like lazy me dont worry until i go through a few tins, then it is a few drops of white spirit on a wool rag or those fag filters, but i use LTL lube, as for getting a zero say 25mtrs, first get your scope set up proper, to the best magnification you see target, for a proper job some form of device to hold rifle say a workmate, i am talking a PCP every 5 shots check accuracy and adjust scope until you get a decent group in bulls eye, but remember you will get the odd flyer eg out of tin so once you done this a do a 10 shot group if 8 are on target thats good
     
    Last edited: Sep 7, 2014
  4. gargloit

    gargloit Posting Addict

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    Varmint Al's way of doing it. Check out the site. He's a hell of an engineer, and a hell of a shot.

    http://www.varmintal.com/ashot.htm#Break

    NEW BARREL BREAK IN.... There is so much black magic out there about breaking in a barrel, that I am not going to suggest any procedure. I will merely tell you what I do with a new barrel. I take the brand new barrel and use J-B on it. That's right, I clean and polish it with J-B before even firing the first round through it. I put a light coat of J-B on a patch and give the barrel about 50 strokes from end to end with it. Then I clean the J-B out with a couple of patches of Shooter's Choice MC#7. I dry the bore with 3 or 4 patches until it is completely dry. I carefully clean the chamber of J-B too. That's it, the barrel is broken in and I am ready to sight in, shoot some groups, and work up an accurate load. I take the rifle to the range and shoot 3 or 4 five shot groups with Moly-coated bullets. I clean the barrel with Sweet's 7.62 and usually there is no copper. From then on, shooting only Moly-coated bullets, I clean the barrel when I feel guilty. If there is copper on the first cleaning, I conclude that I didn't do enough with the J-B and repeat the J-B treatment. All that these shoot-clean, shoot-clean, etc. break in processes do, in my opinion, is perform a slow, inefficient, and expensive polishing process which the J-B does better, smoother, and faster. I use a plastic coated stainless steel cleaning rod and a jag style that you wrap the patches around. I use the blue Shop Towels for patch material and I cut a roll into a number of 1-½-inch wide rolls with a sharp knife. I never use brushes in my barrels and I don't even have any. I use J-B, Shooter's Choice MC#7, and Sweet's 7.62. I am sure there are other procedures that are just as good or superior, but this works very well for me. If I have a particularly bad copper fouling barrel, I use Flitz Metal Polish instead of JB. Here and you can see what Shilen recommends for breaking in a new barrel.
     
  5. mattgriff88

    mattgriff88 Busy Member

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    To be honest with you with my HMR i shot around 50 rounds and then cleaned the barrel with a few patches and a brush.
    and thats it, accuracy is spot on.

    Took a few rounds after cleaning before i was shooting perfect again.
     
  6. tisme

    tisme Donator

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    Location:
    Kent
    Loads of ways but this is how I do it.
    The first loads I make are .2gr apart going past the max stated. I shot and clean after the first shot then after 3 more then after 5 more then after 9 more then every 20. As I'm shooting and the load is going up I check to see for signs of pressure, when I do see signs I stop and go back .3gr, this is my max load. I do all this with a chrono so I now have some idea of speed. I then load batches of 3 rounds about 3 grs apart and do a Optimal charge weight test (Google OCW testing)
    On the 260 rem I've just been doing bullet speed went up from 2767fps to 2820 in 140 round with the same load so barrels do bed in.
     
    Last edited: Sep 9, 2014

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