300 Win. Mag. ATK loading with a 230-grain?

[Almost Tactical]

Hello Forum,

Found this today ...

http://lem.nioa.com.au/products/download/265/brochure-atk-us-goverment-new-products.pdf

MK TBD
Cartridge, 300 Win
Mag caliber, 230-grain
bullet. For use against
personnel or unarmored
targets.

U.S. Designation
TBD
Synonyms
300 Win Mag, Magnum
Match Grade

Anyone have any data on this one?

I know the MK 248 MOD 1 is a bot longer and a bit hotter than SAAMI specs ... but this one, I have not seen ...

Regards,
D.