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Author Topic: I got the h@R 243 cal. finally to shoot  (Read 831 times)

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Offline lonewolf5348

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I got the h@R 243 cal. finally to shoot
« on: August 02, 2010, 07:27:52 AM »
I seem to run into trouble with the 243 cal.
I would say after about 100 rounds down the tube the group started coming together.I tried the same loads I use in mt SPR18 243 cal. but I could never get more then 2 shots in a group or a group greater then 2"
I find the throat in the ejector barrel seem to chamber long,I tried nosler 95 gr. and found the action will close on 2.820 I also found excess brass stretch excess of .010.
I tried a different approach and it worked out I stayed with the mid-range load
and seated the bullet to 2.745 all three loads shot excellent IMR 4064 seem what the barrel likes
I also tried the hornady 100 gr.spbt with a COLA of 2.718
Sierra 85 grain HPBT seem to put 3 shots under 7/8"
brass stretch problem was solved to .003 on the shoulder compared to .010
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Offline gcrank1

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Re: I got the h@R 243 cal. finally to shoot
« Reply #1 on: August 02, 2010, 12:24:27 PM »
Way to work it out!, Well done, hopefully others will note your approach.....
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Offline Frank V

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Re: I got the h@R 243 cal. finally to shoot
« Reply #2 on: August 02, 2010, 12:46:18 PM »
Sounds like  you have it sorted out. Discovering what your rifle likes is sometimes a long process. Congratulations.
Frank
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Offline Spanky

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Re: I got the h@R 243 cal. finally to shoot
« Reply #3 on: August 02, 2010, 05:29:10 PM »
It's H&R not H@R.
@= at
&= and
 :)



Spanky
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Offline gcrank1

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Re: I got the h@R 243 cal. finally to shoot
« Reply #4 on: August 03, 2010, 05:40:19 AM »
See, we're not all redneck, chaw chewin' gunners, we got grammerstaticians too....
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"Halt while I adjust my accoutrements!"
      ><   ->
We are only temporary caretakers of the past heading toward an uncertain future
22Mag UV / 22LR  Sportster
357Mag Schuetzen Special
45-70  SS Ultra Hunter with UV cin.lam. wood
12ga. 'Ol' Ugly OverKill', Buck barrel c/w  SpeedStock  and swap 28" x Full bird barrel, 1974

Offline PawPaw

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Re: I got the h@R 243 cal. finally to shoot
« Reply #5 on: August 03, 2010, 09:06:22 AM »
Quote from: gcrank1 on August 03, 2010, 05:40:19 AM
See, we're not all redneck, chaw chewin' gunners,

Speak for yourself! ;D

Good work on the .243.  It's great when your work pays off.
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Offline Big G

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Re: I got the h@R 243 cal. finally to shoot
« Reply #6 on: August 03, 2010, 10:15:38 AM »
Quote from: Spanky on August 02, 2010, 05:29:10 PM
It's H&R not H@R.
@= at
&= and
 :)



Spanky
::)
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Offline lonewolf5348

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Re: I got the h@R 243 cal. finally to shoot
« Reply #7 on: August 03, 2010, 10:47:40 AM »
Handi Rifle SB2 243 cal.  ;D
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Offline bigvarmnt

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Re: I got the h@R 243 cal. finally to shoot
« Reply #8 on: August 03, 2010, 01:58:52 PM »
That darned harington was always at Richardson. They just couldn't get along ;D

I have a 243 barrel that isn't shooting like I want. Have to get back to it and try some 4064 I just got. Need to look if it goes with 75 gr bullets. Also have some of the 85gr Sierras.  Thanks
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Offline vabowhntr

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Re: I got the h@R 243 cal. finally to shoot
« Reply #9 on: August 04, 2010, 04:36:02 AM »
I am working on a 243 myself, I have the COAL at 2.70" with the 85 gr Sierras. Problem is, it only leaves about .18" of the bullets bearing surface in the brass.  Is that enough?  I am using the starting load with IMR4350 right now and getting about 2.5" of vertical with 0.5" of horizontal.  Any ideas?
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Offline snakeskinner

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Re: I got the h@R 243 cal. finally to shoot
« Reply #10 on: August 04, 2010, 05:00:31 AM »
One thing I found out with mine was heavier, longer bullets needed to be slowed down.
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Offline bikerbeans

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Re: I got the h@R 243 cal. finally to shoot
« Reply #11 on: August 04, 2010, 05:07:48 AM »
About 90% of the time my vertical stringing is from a just barely loose stockbolt.  I retighten and the problem usually goes away.  More of a problem with the 45 caliber guns but it did happen on my 270 and my 223 after I changed stock sets.  Probably a good idea to recheck the stock bolt torque after the first range session with a new gun or after changing stocks.  Also, helps to remember that you filled the stock bolt channel in the stock with #4 shot before you remove the buttplate. :P

BB
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Offline lonewolf5348

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Re: I got the h@R 243 cal. finally to shoot
« Reply #12 on: August 04, 2010, 05:16:56 AM »
I use a stud screw insert in the forearm screw hold down
I cut it to length and the hole down screw go back with the same tension all the time on the forearm stock
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