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243 Win, 1:9.5 twist - Bullet/Powder combinations?

 
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  #1  
Old 06-17-2007, 11:27 PM
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243 Win, 1:9.5 twist - Bullet/Powder combinations?

Rem 722 with a takeoff 243 Rem varmint barrel. Suggestions on bullet/powder/primer combinations for bullets in the 55 to 105 range?
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Old 06-18-2007, 06:59 AM
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Re: 243 Win, 1:9.5 twist - Bullet/Powder combinations?

I had great luck with 58g VLCs and IMR 4064 with BR2s until they quit making the VLCs. I have not tried the varminators but suspect they are pretty close to being the same bullet.
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Old 06-18-2007, 09:33 AM
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Re: 243 Win, 1:9.5 twist - Bullet/Powder combinations?

My .243 does well with:

55 gr Nosler Ballistic Tip, 45.0 gr Varget, 3730 fps.

87 gr Hornady SP, 38.5 gr Varget, 3130 fps.

100 gr Hornady BTSP, 41.0 gr IMR4350, 2900 fps.
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Old 06-18-2007, 10:05 AM
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Re: 243 Win, 1:9.5 twist - Bullet/Powder combinations?

Varmint load is 55g NBT, 53g H-380, R-P case, Fed 210, accuracy is .75" @100 yards, velocity is 4100fps...

Deer load is 100g SBT, 43.5g IMR-4831, R-P case, CCI BR-2, accuracy is .5" at 100 yards, and gave .5 MOA @ 300 and 500 yards as well.

Definately start low on that 53g/H380 load, Its a full case of powder, I dont even weigh the charge, just scoop powder in the case untill its full and level it off the top and seat a bullet...H380 is pretty tempermental through my experience...
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Old 06-18-2007, 10:06 AM
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Re: 243 Win, 1:9.5 twist - Bullet/Powder combinations?

Velocity on the 100g SBT/IMR-4831 load is right at 3000fps.
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Old 06-19-2007, 05:11 PM
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Re: 243 Win, 1:9.5 twist - Bullet/Powder combinations?

Thanks for the info.

Looks like I have quite a bit of load development in front of me.
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Old 06-21-2007, 06:10 AM
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Re: 243 Win, 1:9.5 twist - Bullet/Powder combinations?

Your 55g load looks hot to me just judging from the velocity. That is 243AI or 6mm country. I didn't look up the max load for H380 but I hope you are at least using weighed cases with known similar volumes with you scoop and shoot trick.
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