Well, it would be near impossible to imagine since berger doesn't list any match bullets for the .270. They do list some hunting bullets for them but they don't really compare very well to any of the 7mm bullets.
A .531 BC is not bad for a 150 grain bullet
Berger's 7mm 140 grain BC is .510, but if you jump almost 20 more grains to the 168, BC is .617
Again, I don't even own a .277 bore, but I have a number of 7mm's: 7mm SAUM, 7mm Rem Mag Improved, and the 7mm Dakota.
I do not believe the OP had LR hunting in mind, to begin with.
Still a 150 grain .277 bullet @ XXXXfps shooting a bullet with a BC of .531 is going to have less wind-drift than the majority of rifles that hunters use in the field.
Again, at the distances shot by the majority of hunters the critter is not going to be able to tell the difference.
BTW-The A-Max has been a great performer for me in both 6.5 and 7mm for whitetail deer and antelope. Haven't hunted muley's yet with them, but likely will this fall (7mm SAUM, H-1000, Fed 210M's, 162 A-Max). Confirmed my drops out to 1200 yards last week on two consecutive days-Lots fun!