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Looking for a good 243 win combination..

This is a discussion on Looking for a good 243 win combination.. within the Reloading forums, part of the Firearm Forum category; As the title states I am looking for a good 243 win reloading combination to try. Here are the specifics. I am running a semi ...


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Old November 27th, 2016, 06:29 PM   #1
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Looking for a good 243 win combination..

As the title states I am looking for a good 243 win reloading combination to try. Here are the specifics. I am running a semi auto action, 20" 1n9" twist barrel, 3 polygonal rifling. The round will be mostly used for target, and possibly some hunting. So far I have tried the following combinations but have not gotten the accuracy I was looking for yet, so I am up for suggestions, just no soft point bullets. I am looking for a match type bullet hpbt, or polymer tip, any suggestions to fit this barrel I would greatly appreciate, and I will research.

107 grain nosler with w780 ( grouped like buckshot) believe the twist was too slow for this bullet.
95 grain sst with w780, and superformance( fair results)
90 soft point privy partisan factory ammo. ( feeding issues)
75 grain hollow point american eagle factory ammo ( fair results)

Going to try the berger 95 grain vld match tomorrow with varget powder. So you guys have anything I should try?



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Old November 27th, 2016, 07:37 PM   #2
 
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Well my combination is not the most accurate .243 rifle but I am shooting a Remington Mode 760 Gamemaster Pump action rifle. I am using a Hornady 100 grain interlock bullet and IMR 4831 with very good results. In years past I have stayed with the Hornady 100 grain Interlock Bullets using H4831 as well. I have always hunted using the H4831 with the Hornady 100 grain Interlock Bullet with very good results. I just happen to have the IMR 4831 & my results with accuracy wasn't too bad with this rifle. I usually have used a bolt action rifle with the H4831 & Hornady 100 grain Interlock bullet I use the Boat Tail Spitzer bullet. It has a better BC vs the regular 100 grain Interlock, I never loaded to a max charge but a good medium charge. Any good reloading manual will give you the proper powder chg's. I have a volume #9 Speer manual which gives the powder chgs for the 105 grain Speer bullet. I usually up the charge just a tad because of the weight difference between 105 grain vs 100 grain bullet. I would think a good 95 grain bullet would also work very good. I use H4831 for the bulk of my reloading up to a .270 Win with very good results. Hope this might help good luck!!!
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Old November 28th, 2016, 08:13 AM   #3
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You know last night I had typed up a reply to your post and then an alarm came in, by the time we got back 1:30am it was gone. Oh well. The life of a firefighter, always getting interupted at inopportune times. Turned out to be a smoke detector that the owner had unplugged to replace the back up battery, hard wired systems do not like that.

Anyways thanks gq. I will look I to it. I have some imr 4831, although its not a powder I use normally. With the results I had received from the 780 and superformance, and bullet combinations I moved to varget for a try. Maybe I need to try that 4831. I have also heard good results from 4350. Well off to try out the 95 grain berger vld and varget combinaton, we will see what happens. A great way to enjoy a day off, at the range. Thanks for the reply.
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Old November 28th, 2016, 11:59 AM   #4
 
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Quote:
Originally Posted by Tacky View Post
...So far I have tried the following combinations but have not gotten the accuracy I was looking for yet, so I am up for suggestions...
I think it would help to know what groups you're getting and what you expect. And what rifle?
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Old November 28th, 2016, 04:00 PM   #5
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I think it would help to know what groups you're getting and what you expect. And what rifle?
Im looking the smallest groups possible, anything 1" or smaller will meet my goals. I was getting 2" at 100 with the 75hp, and 5" with the 107 nosler. The 95 sst is giving me about 1.5". Today the 95 berger vld was doing 1" or pretty close to it. Think I am gonna have to increase the load of 33 grains of varget, I had a few rounds that felt as if they had less power than others that i loaded in the 100 round lot. Maybe 5 or 6 All where identical, 33 grains is the start charge, which is what I used. Using cci # 200 standard primer. All cases cut to 2.035". Maximum charge listed is 35 grains of varget. I may begin to work up.

Here is my rifle,



Its a 20" black hole weaponry barrel, 3 polygonal rifling 1n9" twist 243 winchester. Its free floated, 3lb tuned trigger. If that helps. Still open to suggestions.
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Old November 29th, 2016, 08:54 AM   #6
 
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243 loads

I am shooting a TC Icon with 1 in 10 twist so my results may differ from yours.
With 87 gr hornady V Max 38.0 gr 4064 gives very good results.
87 gr hornady HPBT 37.0 Gr Varget is excellent
Either of these loads shoot consistent 1/2 inch groups in my rifle and if I'm
having a good day even less.
Check these loads in your manual before using them .
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Old November 29th, 2016, 03:57 PM   #7
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I am shooting a TC Icon with 1 in 10 twist so my results may differ from yours.
With 87 gr hornady V Max 38.0 gr 4064 gives very good results.
87 gr hornady HPBT 37.0 Gr Varget is excellent
Either of these loads shoot consistent 1/2 inch groups in my rifle and if I'm
having a good day even less.
Check these loads in your manual before using them .
Will do thanks for the recommendations.
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Old January 18th, 2017, 10:38 AM   #8
 
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With a 1-9 twist rate according to the Sierra 5TH manual with there 107 Gr HPBT MK they say a 1-8 twist or faster rate is needed. Now Sierra does have data for their 70 Gr HPBT MK with a 1-9 twist. Berger has a 95 Gr VLD Match bullet. Good luck
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Old January 18th, 2017, 11:35 AM   #9
 
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Tacky I also use a 90 grain Speer bullet with H-4831 good results I use data from Speer Reloading Manuals a old volume #9 using the medium chg. Good Luck!!!
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Old January 18th, 2017, 05:17 PM   #10
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With a 1-9 twist rate according to the Sierra 5TH manual with there 107 Gr HPBT MK they say a 1-8 twist or faster rate is needed. Now Sierra does have data for their 70 Gr HPBT MK with a 1-9 twist. Berger has a 95 Gr VLD Match bullet. Good luck
Quote:
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Tacky I also use a 90 grain Speer bullet with H-4831 good results I use data from Speer Reloading Manuals a old volume #9 using the medium chg. Good Luck!!!
I tried the 95 grain berger vld, it did somewhat good. I tried factory ammo, nosler 90 grain ballistic tip, purple, it did not group, it was throwing them in a 4" circle. The hornady superformance factory ammo, 95 sst also threw them in a 3 " circle. However my reloads 95 grain sst, and superformance powder, produced 1moa at 100. That was strange. I tired the sierra tmk match king 95 grain and group was under 1/2" with 42.8 grains of imr 4831. I plan to try the sierra 95 grain matchking bthp next. My coal was around 2.700" which has produced the best results so far.

Thanks guys for the suggestions, keep them coming.
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Old January 18th, 2017, 06:30 PM   #11
 
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I shoot 105s and 115DTACs through a 9 twist barrel all the time, so that is likely not the issue.

In my experience Varget is not the ideal powder for heavy bullets, at least it never has been for me. With 65gr varmint bullets....yes. Heavy bullets...no. My 243s and 6mms like IMR4350 the best with heavier bullets H1000 and RL22 are also good, but 4350 is the best with bullets up to 95. With the 100-115s I use 4831SC. Also my experience with 100 or heavier bullet and a 9 twist, you need to smoke them out of there pretty good. Don't be afraid to load it hot. The 243 responds to good load density, so the right powder and bullet matters.

I have a 243, a 243 Ackley, a 6MM and a 6MM Ackley. So not many powders I haven't tried.... 4064, RL19, H414 also all work well depending on bullet

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Old January 18th, 2017, 06:54 PM   #12
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I shoot 110s through a 9 twist barrel all the time, so that is likely not the issue.

In my experience Varget is not the ideal powder for heavy bullets, at least it never has been for me. With 65gr varmint bullets....yes. Heavy bullets...no. My 243s and 6mms like IMR4350 the best with heavy bullets H1000 and RL22 are also good, but 4350 is the best
Awesome, I have seen great results with varget in 308, with a 168 smk, and 155 smk. Since i had it on hand I figured I would give it a try. Although the w760 does awesome in my 270 with a 140 accubond, it did not do as hot in my 243. The imr 4831 has produced the most promising results so far. I have a friend that is religious on the 4350 in his 308. I will have to give that a try, who knows what I may find out.

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Old January 19th, 2017, 05:28 AM   #13
 
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Can't help you here, never played with a semi-auto .243, always been bolt guns. Looks like fun tho.
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Old January 20th, 2017, 08:02 AM   #14
 
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My 243 has a 1-9 twist and IMR-7828sc had produced 1MOA groups for me with the Nosler 95 Gr Ballistic Tip's and the 100 Gr Remington Core Lokt's. The Sierra 100 Gr SBT likes IMR-4895

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Old January 21st, 2017, 03:02 PM   #15
 
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My model 70 feather weight likes 100 gr. Sierra or Nosler bullets with H4831 CCI200 primers,don't know what my No.1V likes yet!
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