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    Short Range AR10 Caliber for Accuracy

    Re: Short Range AR10 Caliber for Accuracy Robert, I wish I had your ability to work with precontoured blanks. I have a lathe (Southbend 9" 4-1/2 ft bed), but not big or accurate enough for that kind of work. Hence, I am confined to whatever a manufacturer sells and can customize for me...
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    Short Range AR10 Caliber for Accuracy

    Re: Short Range AR10 Caliber for Accuracy Robert, Thanks for your reply. I am open to other gas blocks, but like the even pressure the clamp-on style applies to the barrel vs the set screw type. May make no difference, but doesn't hurt either IMHO. Krieger says the gas block diameter of...
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    Short Range AR10 Caliber for Accuracy

    Re: Short Range AR10 Caliber for Accuracy Robert, Understood on no free lunch. But do want to get an idea of the cost of the lunch. I have no interest in rapid fire shooting or running hot loads. For the distance I am shooting, at paper, mild loads should be fine, unless the rifle seems to...
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    Short Range AR10 Caliber for Accuracy

    Re: Short Range AR10 Caliber for Accuracy Would welcome your comments, and wish success with the idiot problem. Thank you. - Phil
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    Short Range AR10 Caliber for Accuracy

    Re: Short Range AR10 Caliber for Accuracy Good question. I already have an AR15 built for the same distances. The parts important for accuracy include the Krieger 22" 1:9 bull barrel chambered for .223 and Geissele 2 stage adjustable trigger. Can shoot 5 shot 1/2" groups at 100 off a bipod...
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    Short Range AR10 Caliber for Accuracy

    What caliber would give the best accuracy at 300 yards and under for an AR10? The 308, 260 Remington, 243, or...? I would shoot longer distances, but no place nearby to do that. Looking for tightest groups. Not sure the 308 gives up anything at these ranges, other than more recoil. ...
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    Does a Custom AR = More Accurate AR?

    Re: Does a Custom AR = More Accurate AR? Responses here pretty much indicate what I thought. My AR15, built for accuracy had the $$$ invested into the Krieger barrel and Geissele trigger. I also carefully assembled it, used torque wrenches, etc. It IS quite accurate, with cheap off the...
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    Does a Custom AR = More Accurate AR?

    After building an AR15, I have to wonder if a custom AR (AR15 or AR10) from a high end maker is really going to offer superior accuracy. And if so, why. Seems to my relatively inexperienced mind, that what can be done to make an AR rifle accurate is within the realm of what a well equipped home...
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    How Best to Fix Excessive Neck Runout

    Re: How Best to Fix Excessive Neck Runout VERY helpful. Thank you. Regarding at what step does the runout take place, my testing makes it very clear it is the carbide expander. If I resize a case without the expander, the runout is typically a maximum of .002", often less than that. Do...
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    How Best to Fix Excessive Neck Runout

    Fairly new to reloading, but am exasperated with wildy varying and sometimes big runout numbers when resizing new unfired Winchester 223 brass. I am using a Redding FL die with optional floating carbide expander ball, with inside neck lube to minimize tugging on the neck. Press is a Forster...
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    Resizing New Brass?

    I understand pretty well I think about resizing brass that has been fired. But, what about new brass? I can resize the neck with a mandrel or expander, but trying to EXTEND headspace (assuming barrel needs it) is not really possible, short of firing the case and blowing the shoulder forward...
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    Expander Ball Effect on Brass Test

    Re: Expander Ball Effect on Brass Test I should note that in Part II of this test (another post), that I did incur runout with use of the expander. And that expander was carbide, and also floats on the decapping pin, permitting it to find its own center within the neck. Until I get the gun...
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    Expander Ball Effect on Brass Test

    Re: Expander Ball Effect on Brass Test See Part II of this test here. http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=2011894#Post2011894 Reports on runout with use of the expander ball. - Phil
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    Expander Ball Effect on Brass Test - Part II

    I had performed some tests on brass to determine what effect the expander ball had on brass. See the link to the post here. http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=2007667#Post2007667 That test measured case lengthening. The test below attempts to confirm the...
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    Expander Ball Effect on Brass Test

    Re: Expander Ball Effect on Brass Test <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: HOGGHEAD</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Evilaviator</div><div class="ubbcode-body">Use a mandrel in...
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    Expander Ball Effect on Brass Test

    Re: Expander Ball Effect on Brass Test Last night, I took one once-fired case and resized it with the expander ball in place. It did grow by about .005", consistent with my original test results. But, wanted to further explore further the effect of the expander on the neck. I have read so...
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    Expander Ball Effect on Brass Test

    Re: Expander Ball Effect on Brass Test <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">Phil 3 I would be very interested to see the run-out results when you have completed them. For me, working and hardening the brass using a F/L die and expander...
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    Expander Ball Effect on Brass Test

    Re: Expander Ball Effect on Brass Test <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">Expander ball doesn't cause the case to stretch....</div></div> On my test, that would appear to be the case, and was my conclusion (with my setup). As the...
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    Expander Ball Effect on Brass Test

    Re: Expander Ball Effect on Brass Test <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: _9H</div><div class="ubbcode-body">You are missing the point - you have control over how much the die and expander work the brass. You just have to buy gear that incrementally...
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    Expander Ball Effect on Brass Test

    Re: Expander Ball Effect on Brass Test <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Jagged77</div><div class="ubbcode-body">I have stopped using expander balls completely, I can't see how they can possibly be good for case life and accuracy. Half the time they...
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