300 Whs 2400 powder

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  • Last Post 05 November 2025
Richard Pickering posted this 13 October 2025

For those who load 300Whs,  

I'd like to hear any experiences with 2400 powder.

I presently use 12gr SR4759 and RCBS 165.  IHMSA full size targets. Thanks

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John Carlson posted this 13 October 2025

Are you perchance referring to the 300 Whisper?

John Carlson. CBA Director of Military Competition.

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Richard Pickering posted this 14 October 2025

Yes, TC Contender.,  Not G@ or Encore

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Waleone posted this 14 October 2025

No personal experience, but my Hornady 8th edition handbook has 300 Whisper handgun data for 10” Contender and 2400. Only issue is that it is for jacketed bullets, but the load range for 165 gr. bullets & 2400 is quite wide.

Wayne

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Richard Pickering posted this 05 November 2025

An additional powder may be of use. I have 1680. Have any of you tried or had success with it ?  TC Contender 10''  RCBS 165 Sil.

Thank you. rp

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