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#6835547 - 07/27/17 06:54 AM .243 Winchester
BassCat'99 Offline
Pro Tracker

Registered: 02/15/13
Posts: 1124
Loc: Stratford Texas
My FIL recently passed away and left me his Winchester Model 70 in .243. It's a beautiful rifle and I thought I would just save it. But he left it to me because I feel he would want me to use it. So..I want to add another cartridge to my reloading bench. With a world of powders which one seems the most productive? I have H4350 and Varget. Which would you prefer cuz I really don't want to add another power to the inventory.
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#6835575 - 07/27/17 07:50 AM Re: .243 Winchester [Re: BassCat'99]
JTPinTX Offline
Bird Dog

Registered: 04/01/15
Posts: 259
Loc: TX Panhandle
No reason not to start testing with those two powders, both should work fine. H4350 will be better on the heavier bullets, Varget would work better for light bullets. Try them both.

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#6835584 - 07/27/17 08:00 AM Re: .243 Winchester [Re: BassCat'99]
papa45 Offline
Tracker

Registered: 05/14/07
Posts: 571
Loc: Arlington
Exactly.

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#6835604 - 07/27/17 08:22 AM Re: .243 Winchester [Re: BassCat'99]
syncerus Online   content
Veteran Tracker

Registered: 12/01/08
Posts: 2281
Loc: Dallas, TX
H/IMR 4350 work great with 100 grain bullets. I'd start there.
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#6835640 - 07/27/17 09:07 AM Re: .243 Winchester [Re: BassCat'99]
TackDriver Online   content
Tracker

Registered: 05/02/14
Posts: 540
If I could remember I used IMR 4350 exclusively for the 6mm Remington and its very similar to the .243
You may want to give that powder a try.

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#6835687 - 07/27/17 09:56 AM Re: .243 Winchester [Re: BassCat'99]
dee Online   content
Extreme Tracker

Registered: 04/10/10
Posts: 4987
Loc: Red River way
I've used varget, 4350 (imr and hodgdon) and imr4451 all with 90gr Nosler accubonds with good luck.
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#6835858 - 07/27/17 01:14 PM Re: .243 Winchester [Re: dee]
JJH Online   content
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Registered: 10/03/06
Posts: 3518
Loc: Katy
I'd start with 4350 and 95gr Ballistic Tips.

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#6835877 - 07/27/17 01:40 PM Re: .243 Winchester [Re: BassCat'99]
redchevy Offline
THF Celebrity

Registered: 10/25/04
Posts: 25553
Loc: Texas
Have had good luck with IMR 4350 and 100 grain sierra prohunters and 100 grain hornady spbt's. My best load for both bullets is 40 grains even.

H4350 is what I wanted to use but I have not been able to find any for quite some time.
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#6836148 - 07/27/17 06:00 PM Re: .243 Winchester [Re: BassCat'99]
jlsbassman Online   content


Registered: 06/18/09
Posts: 446
Loc: Royse City
I'm running 105 amax out of my rpr with hybrid 100v, I get the best speed and accuracy out of it so far. I think it will work best with the heavy bullets. For 87gr bullets I've been using imr4064 getting the best accuracy.

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#6836156 - 07/27/17 06:13 PM Re: .243 Winchester [Re: BassCat'99]
RiverRider Online   content
THF Trophy Hunter

Registered: 11/11/07
Posts: 7025
Loc: Wise Co.
JLS, I thought you were going to sell that rifle. I guess you are liking it too much to sell it. up

I'm liking that Super Grade!
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#6836209 - 07/27/17 07:09 PM Re: .243 Winchester [Re: BassCat'99]
jlsbassman Online   content


Registered: 06/18/09
Posts: 446
Loc: Royse City
That RPR is an awesome shooter, I bought a 6.5 barrel for it but I think the 243 will go another 1000.

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#6836243 - 07/27/17 07:48 PM Re: .243 Winchester [Re: BassCat'99]
Jgraider Online   content
Tracker

Registered: 06/13/15
Posts: 557
Loc: West Texas
My RAR wound up liking IMR 4451 with those 95g BT"s, app 45g IIRC. It really does best with the 105 AMAX and RL26 @ 2900fps. I've been surprised how well that AMAX works on hogs.

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#6836601 - 07/28/17 08:41 AM Re: .243 Winchester [Re: BassCat'99]
oldoak2000 Offline
Veteran Tracker

Registered: 09/16/07
Posts: 2247
Loc: North Texas
Originally Posted By: BassCat'99
My FIL recently passed away and left me his Winchester Model 70 in .243. It's a beautiful rifle and I thought I would just save it. But he left it to me because I feel he would want me to use it. So..I want to add another cartridge to my reloading bench. With a world of powders which one seems the most productive? I have H4350 and Varget. Which would you prefer cuz I really don't want to add another power to the inventory.


I really like the .243 ; 95gr partitions (for kiddo's deer gun) and for me 55gr Nosler Ballistic tip Varmint (MY coyote/coon load -nearly 4000fps and accurate like a laser) ; both using H4895 powder. Have also loaded very-low-recoil 58grain H.VMAX loads for kids/momma to 'practice' (ALSO using H4895 per it's specs for light loads)

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#6836806 - 07/28/17 11:54 AM Re: .243 Winchester [Re: BassCat'99]
FiremanJG Online   content
THF Celebrity

Registered: 12/16/08
Posts: 20892
Loc: Wolfe City, TX
I'd find the twist rate of that very barrel.

Then I would look at Lilja barrels twist rate chart, as well as Shilen barrels twist rate chart. Both will tell you the optimum bullet weight (length) for twist rate.

Then I would investigate if IMR-4451 is a good powder for .243. Reason being, H-4350 is not looking like a long term, reliably available powder. IMR-4451 is reported to be a great substitute for H-4350 in 6.5 Creedmoor. I would think it would be a great substitute in .243.

That's what I would do, anyway.
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#6836862 - 07/28/17 12:54 PM Re: .243 Winchester [Re: BassCat'99]
redchevy Offline
THF Celebrity

Registered: 10/25/04
Posts: 25553
Loc: Texas
Anyone shot the hornady ELD-X 103 grain bullets in a 243?... its kind of on subject.
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