.338 Winchester Magnum

Test barrel: 620 mm (24½”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Lapua, trim-to length 63,30 mm (2.492”)
 
Bullet13,0 g / 200 grSP, HornadyC.O.L. 85,0 mm(1 / 3.346 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1503,8559.480126284,3467.08732864
N5403,9060.281426714,3467.08882913
N5504,1564.082226974,6171.18992949
N1604,7172.772023625,23F80.7F9052969
1) The cartridge overall length exceeds the CIP maximum.
F – Case full
 
Bullet14,6 g / 225 grSP, HornadyC.O.L. 84,0 mm / 3.307 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,5670.479826174,8074.18562809
N5604,7873.882026895,1579.48492785
 
Bullet15,0 g / 231 grNaturalis LR, LapuaC.O.L. 84,3 mm / 3.319 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,8058.675224674,3166.58382749
N1604,2565.675124644,7473.18432766
N5604,5069.476925234,85F74.8F8322730
F – Case full
 
Bullet16,2 g / 250 grGrand Slam, SpeerC.O.L. 83,8 mm / 3.299 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,4969.375324704,8374.58092655
N1654,8174.376625115,1980.08232698
 
Bullet16,2 g / 250 grSBT, SierraC.O.L. 84,8 mm / 3.339 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,2565.675824884,5870.78102659
N5604,3967.777425404,7873.78312728
N1654,6371.477925555,0277.48352738
 
Bullet16,2 g / 250 grScenar, LapuaC.O.L. 84,0 mm / 3.307 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5504,0662.776525094,2765.88102657
N1604,2365.376024944,5570.18132669
N5604,7272.978725815,0377.58432765
 
Bullet17,8 g / 275 grA-Frame, SwiftC.O.L. 86,5 mm(1 / 3.406 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,5554.863420804,1564.07172352
N5603,7658.065121364,3066.37312398
N1653,7958.565121364,3567.17252379
1) The cartridge overall length exceeds the CIP maximum.
 
Bullet17,8 g / 275 grSP, SpeerC.O.L. 85,0 mm(1 / 3.346 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,6371.573123985,0177.37852576
1) The cartridge overall length exceeds the CIP maximum.
 
Bullet19,4 g / 300 grHPBT, SierraC.O.L. 84,8 mm / 3.339 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,0662.769222704,4368.37452445
N5604,2064.770022954,6671.97562479
 
Bullet19,4 g / 300 grRNSP, WoodleighC.O.L. 83,5 mm / 3.287 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,5855.262620544,1063.36922270
N1653,9260.563720904,4668.87112333
N5603,9260.565821594,5570.27312398