Vihtavuori logo reverse
Vihtavuori logo reverse

7 mm TCU

Test barrel: 360 mm (14”), 1 in 10” twist
Primers: Small Rifle
Cases: Necked-up Lapua .223 Rem., trim-to length 44,50 mm (1.752”)
 
Bullet6,5 g / 100 grHP, HornadyC.O.L. 62,5 mm / 2.461 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1201,4822.866721881,6425.37442441
N1301,6225.067222051,7927.67532470
N1331,7727.369522801,9630.27742539
 
Bullet7,8 g / 120 grHornady, SSSPC.O.L. 63,5 mm / 2.500 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1201,3220.460619881,4522.46552149
N1301,4522.461020011,6124.86732208
N1331,6225.063020671,8127.97012300
 
Bullet8,4 g / 130 grSpeer, SpitzerC.O.L. 65,0 mm / 2.559 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1201,2419.154217781,3821.35961955
N1301,4021.657318801,5523.96262054
N1331,4622.557618901,6225.06332077
 
Bullet9,7 g / 150 grSBT, SierraC.O.L. 65,0 mm / 2.559 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1201,1718.151316831,3020.15621844
N1301,3120.253517551,4522.45861923
N1331,3821.354217781,5323.65991965
N1351,4422.253817651,6024.75971959
 
Bullet10,4 g / 160 grSBT, SierraC.O.L. 66,0 mm / 2.598 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1201,1217.348015751,2519.35311742
N1301,2619.450516571,4121.85581831
N1331,3120.251116771,4522.45591834
N1351,4522.453117421,6124.85821909
N5401,4822.854417851,6325.25981962