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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

Savuti_One_Shot
.300 member


Reged: 24/01/07
Posts: 139
Loc: Florida
Re: 416 Rigby
      30/08/07 11:08 PM

Alaskan,
I'm not aware of any available powder that will SAFELY give that MV with 69 gr. As pointed out above, Taylor was referring to the Cordite charge.
Probably the closest you can come is with the cordite to RL15 conversion of 1.19. In other words Cord charge x 1.19=theoretical max of RL15. That gives us 82.11 RL15 as an approximation. I've used 85 gr with the 400 A-frame for 2491 f/s (loose) and 2519 (with dacron filler).

For loads that don't need filler I prefer slower powders. I've done quite a bit of chrono work with this cartridge in 3 rifles over the last 15 years. If you can tell us what powder you have available, I can probably provide a load recommendation.

SOS

--------------------
"I've this damned cannon." - Robert Wilson

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Subject Posted by Posted on
* 416 Rigby alaskan 27/08/07 03:18 PM
. * * Re: 416 Rigby 400NitroExpress   28/08/07 05:28 AM
. * * Re: 416 Rigby Bramble   28/08/07 05:53 AM
. * * Re: 416 Rigby 400NitroExpress   28/08/07 06:17 AM
. * * Re: 416 Rigby alaskan   30/08/07 03:36 AM
. * * Re: 416 Rigby Savuti_One_Shot   30/08/07 11:08 PM

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