HI Bill...here is a chart showing case capacitys with Culver st points,,,((I use a Culver mesure to do my loading )),,,,it shows the new version is aprox 10% larger than the parent 06 case,,,,
6mm BR--------62
6x47 L-----------75
.243 Win.-------85/88
6.5 x 284-------100
30/06------------109
.280--------------115
300 RSAUM--115
.280-AI--------- 120
7mm Mag------126
300-WSM------130
300-Win--------140
300-WBY------160
300 Ultra-------175
it is slightly larger than RSAUM and slightly smaller than 7mm Rem mag. !!!! The beauty of this ctg in either cal is you use 30-06 brass,,,(WW--Lapua--etc) which is readily available ....
I have both a 7mm and 30 cal. version of this case ((I use .280 AI dies for the 7mm and open up the neck area of a .280 AI die for the 30 cal version ))and they both are very accurate and ez to form from the parent case ,,,especially the 7mm,,,just neck a 06 case down to 7mm using a 280 die raised up from shell holder the appropriat ammount to leave a false shoulder in the neck ((like we do to get a 6mm Dasher from a 6mm BR case))and Fireform using Universal Clays and a tufft of toilet paper,,,,,wheen making the 30 cal version I neck it up with a .316 expander ball and then make a flase shoulder with a 30 cal die,,,,and FF as with the 7mm version,,,,,the 7mm shines with H-4831 and the 30 cal like H-4350,,,very simple and worth the effort to gain a ctg with near 7mm mag capacity and can be used with .06 bolt face and even single fed in a short action,,,I use this ctg in a typical (short )Panda action ,,,Roger