Everything I read says that the 7mm wsm are not selling nearly as much as the .270.300 wsm. I looked up the balistics and the 7 looks good when compared to the 270 wsm. Why is the wsm so unpopular?




Compare Ballistics


Load Number

Brand:






P270WSMB

PREMIUM VITAL*SHOK®


P7WSMB

PREMIUM VITAL*SHOK®


Load Details










Federal Load No.

Factory Primer No.

Caliber

Bullet Weight
Grains / Grams

Bullet style

Use

T.B*




P270WSMB

215

270 Win. Short Magnum

130 / 8.42

Nosler Ballistic Tip

2

24




P7WSMB

215

7mm Win. Short Magnum

140 / 9.07

Nosler Ballistic Tip

2

24




Velocity in Feet Per Second


Load Number

Muzzle

100

200

300

400

500


P270WSMB

3300

3066

2844

2632

2430

2238


P7WSMB

3310

3099

2897

2704

2520

2342




Energy in Foot Pounds


Load Number

Muzzle

100

200

300

400

500


P270WSMB

3143

2714

2334

2000

1705

1445


P7WSMB

3406

2985

2609

2273

1974

1705




Wind Drift in Inches 10 MPH Crosswind


Load Number

100

200

300

400

500


P270WSMB

0.8

2.6

6.0

10.8

17.5


P7WSMB

0.7

2.4

5.3

9.6

15.3




Average Range


Load Number

50

100

200

300

400

500


P270WSMB

-0.3



-2.2

-8.7

-20.2

-37.7


P7WSMB

-0.3



-2.1

-8.4

-19.4

-35.9




Long Range


Load Number

50

100

200

300

400

500


P270WSMB

0.2

1.1



-5.4

-15.8

-32.2


P7WSMB

0.2

1.1



-5.2

-15.2

-30.6