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