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  1. Replies
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    2,357

    "Hobbing" by itself does not address the issue...

    "Hobbing" by itself does not address the issue completely. There is the cutting swarf as well as any radial gouges that often do not show up with a borescope examination.
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    2,357

    I will not discuss the exact methods due to the...

    I will not discuss the exact methods due to the likelihood of the inexperienced damaging a carefully chambered job. This is something you would discuss with your gunsmith. Be advised that many...
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    2,357

    I don't know about that expert you are referring...

    I don't know about that expert you are referring to. The CF barrel throat has the same issues as a RF, but will take care of itself with the shoot 1 shot and clean procedure. When a RF finishing...
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    2,357

    A rimfire doesn't have the heat and pressure to...

    A rimfire doesn't have the heat and pressure to burn/polish out the throat. A rimfire throat has to have this done after chambering by mechanical means by the gunsmith. They have their own ways of...
  5. Thread: rear rest

    by Jerry H
    Replies
    3
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    1,024

    While it is currently out of stock but you are...

    While it is currently out of stock but you are probably looking for something like this.
    https://www.killoughshootingsports.com/index.php/rests/abra.html
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    2,573

    LOL, I don't think I ever sold one for $500. That...

    LOL, I don't think I ever sold one for $500. That would cover materials. There are about 60 parts that I make for this one. Needless to say, I don't sell many. About one a year.
  7. Replies
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    2,573

    R. Parker uses a Farley and says it will not...

    R. Parker uses a Farley and says it will not cover an IR50 target at 50 yards without a course elevation adjustment during the target. A. Taylor uses a Seb and says it will cover an IR50 target...
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    4,824

    Like all things BR. Price, outrageous,...

    Like all things BR. Price, outrageous, availability, unobtainium. I built this for my wife as she is a new shooter and has trouble coordinating everything in a timely matter. She has an easier time...
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    4,824

    That thing was easy. This was much more...

    That thing was easy. This was much more challenging. The world's first convertible standard/joystick one piece rest. Takes about 5 minutes to convert from one to other and it can set for right or...
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    4,824

    The body is .695 diameter to slip inside of the...

    The body is .695 diameter to slip inside of the receiver. It is bored to slip over the reamer and held by a set screw. The body is threaded 40tpi with a set of collars to lock the setting. One collar...
  11. Replies
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    4,824

    I made this adjustable reamer stop for adjusting...

    I made this adjustable reamer stop for adjusting the engraving length while at the range without taking the gun apart.
    21693
  12. Replies
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    11,534

    Slugging a blank is much more common if the...

    Slugging a blank is much more common if the barrel will be used with lead bullets such as 22LR. A lead bullet gun doesn't have the pressure to deal with groove diameter variation like a CF. That...
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    7,145

    I believe it is the air's moisture related the...

    I believe it is the air's moisture related the friction of the bore fouling. If you push a brush through a just fired barrel in very dry air, there is a lot of resistance. If you do the same thing in...
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    The analyser only goes back to 2015 year in the...

    The analyser only goes back to 2015 year in the database.
  15. The target fix is not 275, but simply change the...

    The target fix is not 275, but simply change the scoring rings to be more difficult for a 250. In other words the dot becomes a 10 and the 10 ring is a 9. That will do away with the perceived scoring...
  16. Thread: barrel blocks

    by Jerry H
    Replies
    2
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    4,363

    Don't try to use a 1.25 straight cylinder barrel...

    Don't try to use a 1.25 straight cylinder barrel with a RF. Been there. Done that. Got the T-shirt. Look at a .900 or smaller barrel.
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    7,618

    It would help to know where you are at as you may...

    It would help to know where you are at as you may wish to work with someone within a few hundred miles.
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    I don't think stationary backers are required to...

    I don't think stationary backers are required to hold a registered match, only for the nationals.
  19. Thread: Railguns

    by Jerry H
    Replies
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    9,786

    They are allowed in some RF sanctions. ARA & PSL...

    They are allowed in some RF sanctions. ARA & PSL for sure. It took me a couple of years to sort one out to shoot RF with. Not worth the effort. The main issue is the "vibration" dampening. Think of...
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    4,620

    I received this from lawrence early this...

    I received this from lawrence early this afternoon. Maybe the first "zero" agg ever.
    19811
  21. Replies
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    11,333

    Pete, your mailbox is full. These are all that...

    Pete, your mailbox is full. These are all that are left. $125 dual head, $100 single head. They are for changing barrels and not for removing factory installed barrels.
    19787
  22. Replies
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    11,333

    When I experimented with this on a .750 x 16...

    When I experimented with this on a .750 x 16 tenon, I felt 35 ft/lbs may be too much torque. I settled on 25 as a maximum based on the slug tests. Your larger diameter tenon will take more torque to...
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    11,333

    I believe Vaughn was concerned with joint motion...

    I believe Vaughn was concerned with joint motion under the stress of firing. Certainly a less likely issue in RF. IMO, the RF barrel is much less tolerant of bore variation than a CF that has lots of...
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    11,333

    I have never heard of such a chart ever been...

    I have never heard of such a chart ever been published in 30+ years of CFBR shooting. For CF, you might read Frank Vaughn's book Rifle Accuracy facts. He covers this subject rather well. You...
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    Those specs are to achieve a particular bolt...

    Those specs are to achieve a particular bolt stretch. Something you do not want to do with a RF chamber.
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