11 more grains of powder, 68 for the 270 and 57 for the Swed, is going to change the game a little.
I like the fact that anybody can buy good 270 ammo over the counter nearly anywhere in the U.S., while 6.5x55 can be harder to source if you fail to plan ahead or forget your ammo when hunting away from home. The only time that my 30-06 loaner was ever used was when a guy from Ohio forgot his 6.5x55 ammo when he traveled to Wray, Colorado, for a high plains deer hunt.
In doing the math it appears the 270 holds about 18% more powder. The Swede produces only 96% of Velocity that the 270 is capable of with the same size bullet. I figured the 270 at 3150 with a 130 gr and the swede at 3000 The Swede bullet however in an apples to apples comparison will have a slightly better BC and SD perhaps giving a slight edge in this regard to the Swede.
Conclusion, the Swede is 96% + 1% for the sectional density advantage = 97% give or take .5%
Not to bad for 10 grains less. Of course anytime one goes much bigger than a 308 sized case the return for the powder charge always goes noticeably down.
This usually pisses folks of when I bring this up except for them 260 and 6.5 creedmore fellas. Even the 6.5X55 Swede is inefficient when compared to the 260 or the Creedmore.
Shod
