Power for 7MM Rem Ultramagnum with 150 gr Nosler BT or ST?

[INOCENT]

I have a new SAKO 75 SS chambered for this cartridge 7MM Rem Ultra Magnum, I plan to use it for desert mule deer, on the place I hunt is commond the long distance shoots, I mean, 250 to 400 yrds., Then I need a lot of help since this is the firts time I going to reload this cartridge. Before I have this rifle I use a 7MM RemMag. and I reload with 64 gr of IMR4350 with 150 gr. Nosler Ballistic Tip, and I made incredible letal shoots to big mulies at very long distances (with the help of a Rangefinder and 6.5x20x50 Leupold) , then I want to obtain a better performace now, I have some IMR4350 and others IMR's power and also I plan to use 150 gr Ballistic Tip or Silver Tip bullets, I have both. SOMEONE CAN HELP ME WITH THIS INFORMATION? ITS URGENT for me to start practice with my new rifle.

 

[NOSLER]

There is little loading data for the 7mm Rem Ultra Mag. Nosler has worked with this cartridge, but at the current time does not have approved load data.

The only good site that I have found that has reliable data is hodgdon.

http://www.hodgdon.com/data/rifle/7mmremulmag.php#top

Best of Luck

 

[FOTIS]

sTART AT ABOUT 93 GRAINS OF rETUMBO AND WORK UP.

 

[Bigwheels]

I agree with POP.Try Retumbo.& look for the data on the Hodgdon site.