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Vihtavuori logo reverse

7 mm WSM

Test barrel: 660 mm (26”), 1 in 9.5” twist
Primers: Large Rifle Magnum
Cases: Winchester, trim-to length 53,15 mm (2.093”)
 
Bullet7,1 g / 110 grSpeer, TNT-HPC.O.L. 71,7 mm / 2.823 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1503,4453.196531663,9561.010623484
N5503,8859.998732384,2465.410863563
N1604,1964.798632354,6271.310693507
 
Bullet9,1 g / 140 grNosler, PartitionC.O.L. 71,9 mm / 2.831 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,4653.485528054,0061.79573140
N1654,0662.788529044,5069.49703182
N5603,8058.687628744,3467.09793212
 
Bullet10,0 g / 154 grHornady, InterbondC.O.L. 71,9 mm / 2.831 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,3952.381926873,9260.59122992
N1653,8859.984227624,5169.69413087
N5603,7057.184127594,2565.69463104
 
Bullet10,4 g / 160 grLapua, NaturalisC.O.L. 71,4 mm / 2.811 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1602,9345.278225663,5654.98432766
N1653,3451.576325033,9060.28592818
N5603,3852.277925563,8559.48782881
 
Bullet10,4 g / 160 grSierra, SBTC.O.L. 72,4 mm / 2.850 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,3852.279626123,9360.68922927
N1653,9160.383427364,3166.59142999
N5603,7057.182727134,1564.09223025