El Divino
Member
6.5-06 AI or 270 AI, my 25-06 custom1898 Mauser needs a new Barrel
6.5-06 AI or 270 AI, my 25-06 custom1898 Mauser needs a new Barrel
6.5-06 AI or 270 AI, my 25-06 custom1898 Mauser needs a new Barrel
thanks Feenix, any special characteristics or performance of 270 AI compared with 6.5-06 AI ??
Why not a 6.5-06 or at 25-06 ? Then you don't have to mess around fire forming brass .
.25-06 AI or .280 AI would be my suggestion.
MudRunner I had considered 25-06 AI but want more heavy bullet selection
Sorry I don't have a 6.5-06 AI to compare with but I have gotten closed to 3100 FPS with 175 Matrix but the group opens up and pressure signs I can do without.
My current accuracy loads for the 175 Matrix are;
.270 Win (non-fireforned) is 2919 FPS and
.270. AI is 2993 FPS.
As you can see, I developed accuracy load for both so I don't waste tme, effort, and barrel life fireforming to enjoy it.
Having said that, this boils down to personal preference.
Since heavier is the name of the game a .280 AI shooting Berger 168's would be my choice. The 7mm calibers have an excellent bullet selection to choose from.
For 300-400 yard shooting at whitetails it's not going to matter much (ballistically). Any cartridge from .243 on up will handle that task. Personally I like to keep things simple, so if you're leaning toward an '06-based cartridge I would do a plain old .270 Winchester. Not as many high-BC offerings in .277 caliber but that only becomes a significant factor beyond 600-700 yards. Bullets like the 140 Accubond with a BC around .500 perform very well at close to medium range. You won't need the extra velocity of an AI at medium range either.
Going to a 6.5-06, 6.5 AI, or .270 AI would be a good idea if you'll be stretching it out past 600 yards on occasion. 6.5 would be my choice due to bullet selection, and if you want anything bigger go with a .280 AI or 7 mag.
6.5-06 AI or 270 AI, my 25-06 custom1898 Mauser needs a new Barrel