Cartridge
270 Winchester
270 WSM

Bullet Wt. Grs.
130
130

Bullet Type
Ballistic Silvertip®
Ballistic Silvertip®

CXP Guide No.
Game Guide 2 - Light Thin Skin
Game Guide 2 - Light Thin Skin

Barrel Length (in)
-
-

Velocity in Feet Per Second (fps)

Muzzle
3050
3275

100
2828
3041

200
2618
2820

300
2416
2609

400
2224
2408

500
2040
2215

Energy in Foot Pounds (ft-lbs.)

Muzzle
2685
3096

100
2309
2669

200
1978
2295

300
1685
1964

400
1428
1673

500
1202
1416

Trajectory, Short Range Yards

50
-0.2
-0.3

100
0
0

150
-0.8
-0.6

200
-2.8
-2.3

250
-6.1
-5.0

300
-10.7
-8.9

400
-
-

500
-
-

Trajectory, Long Range Yards

100
1.4
1.1

150
1.3
1.1

200
0
0

250
-2.6
-2.2

300
-6.5
-5.5

400
-18.9
-16.1

500
-38.4
-32.8

This from Winchester.com. The wsm is faster and flatter. I have the 7mm wsm and I love it.