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    IR 50/50 Semi Auto Record

    Don't let that pretty pink stock fool ya, it is one serious BR rifle. And its being driven by a very talented young woman. Way to go Lisa, no matter how good the tool is, its the driver that makes the difference Tony
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    Custom dr-wisconsin

    Another good looking gun!! Good Job Y'all Tony
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    22 rimfire accuracy problem

    How does the series of shots group? Random? 1 and 2 high, 3 and 4 low, etc? Longer/shorter period of time between shots affect placement? Rest set up Nice star pattern at the muzzle? Does the bullet engrave when chambered? Did you have the Hart installed, or did it come with it? Just some...
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    Adjusting a Harrell tuner

    Hi 410 You may like to give PRX a try. By knowing what your barrel length is I can help you set the Harrels for what should be very close if not spot on a very good tune Drop me a line at prx2500@outlook.com and I will be happy to help. The Hopwell method is very reliable, but you will...
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    ARA Bounty 2400 with a 10/22

    Hi All Joe followed it up today with another 2400 and a brace of 2300's Awesome job!! Tony
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    Where in the World Is PRX?

    Actually, Junction City, Kansas. Not the end of the benchrest world, but you can see it from here:rolleyes: Tony
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    Where in the World Is PRX?

    Hi All My daughter gave me a big map of the world for Christmas. She thot it would be neat to see where in the world PRX was being used. So here is what I need from you all. If you have used PRX, even if it unfortunately did not work for you, send me an email, post here on this thread, or...
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    Trick 10-22 VS Volquartsen

    Hi Peter Does your 2800 include the cost of the scope? Care to share the numbers My little BR rig Sabre: CST Action, Bolt, and Trigger group - 'bout 650 (Trigger that comes with the group is a Grand Master set to just under a pound) Lilja Barrel - 400 Turner Stock- 300 Weaver 36X - 400...
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    ABRA's 1st 200

    Hi All Check out the Ultimate thread over on RFC. Joe has posted up some pics of his latest handi work. Two beautiful rifles that may very well be the equal of his current Hammer Time rifle accuracy wise. Joe is doing everything he can to get the most out of these set ups and making some...
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    PRX Formula General info Please

    Hi Donovan If possible, could you provide the length of muzzle to end of tuner at mid range (just like Calvin noted). With that I could see possibley how high a harmonic we could tune to. Being that it will be threaded on, we should be able to "survive" at lower harmonics. Just not sure how...
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    PRX Formula General info Please

    Hi All PRX and center fires. That is one of the projects I am trying to get more information on. What I am finding, like Mike said, is that CF rifles seem to "operate " at a much higher frequency. When trying to tune at these higher frequencies, the incidence of QW's start to get really...
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    PRX Formula General info Please

    Hi D A lot of it depends on what you would to tune with, a Harrels alone (or with weight rings as needed), the short slide, or the long slide. Each will help you tune to certain harmonics. If your willing to experiment with different tube lengths,, any of the harmonics become available With...
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    The Un-Calfee - Picture

    Hi Bill I would be interested in running the numbers to see where your tune compares to PRX. Care to share the barrel length? Your Friend Tony
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    The Un-Calfee - Picture

    Hi All If I understand Dennis correctly, that would mean any 2500 that makes it to Australia (or anywhere in the Southern Hemisphere) will not be affected by the RB issue. :confused: The harmonic issue Dennis brings up can probably be solved by mounting the scope with a single ring directly...
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    The Un-Calfee - Picture

    Oh great. Now I have to figure BKE (Big Knob Effect) into the PRX calculations. Thanks Bob
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    Locations ???

    Hi all For any other Kansas area shooters that are looking for a shoot, lets not forget Horton, north of Topeka (ARA). As Paul can attest to, if you can shoot well there, you can shoot well anywhere. (BTW - He did shoot well there) Have a great nite Tony
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    The Un-Calfee Stumbles

    Hi Bill I don't mean to nit-pick, but shouldn't a true Un-Calfee rifle be shooting a PRX tune with a barrel ornament:p:D Tell Gordon, I said HI Tony
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    PRX Formula help me understand it a bit......

    Hi All Thanks Mike for jumping in. My computer has crashed, so I am kind of at a panic stage right now. Using my wifes laptop right now and it is soooooo slow. What part of this means for you Calvin, is that I am going to have to work to download files off my computer so I can send you the...
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    tuner problem responses

    Hi Jeff The End Correction (EC) is what is removed from the acoustical length (What you get after dividing by 8 and multiplying by 9), to get the actual physical length. The .186 you subtracted is the EC for the for the smaller inner tube of the Harrels. If/when you use a weight ring to gain...
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    Tuner Problem

    Hi Jeff You look to be pretty well dead on the numbers, I come up with 3.039. I agree with Jerry, try .5 weight ring. Just remember you will have to recalculate the EC. Tony Purdy The Purdy Prescription
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