338 ultra 4 groove rachet rifle 31" barrel

[mcharger440]

Hey guys just ordered my newest addition to the family she's a Remington 700 engraved action 338 ultra mag ss barrel 31" finished length 1 1/4 strait taper barrel in shillens new 1:9 4 groove rachet rifleing just looking for a place to start on my handloads mostly a long range paper puncher but also elk down the road I am novice in handloading and know just enough to get me in trouble any help is appreciated
P.s. Planing around smk 285/300gn

 

[mcharger440]

Ok so with all the responses I'll try 110grains of win 760 and a 300gr smk