.270 Winchester

Test barrel: 620 mm (24½”), 1 in 10” twist
Primers: Large Rifle
Cases: Remington, trim-to length 64,30 mm (2.531”)
 
Bullet6,5 g / 100 grSpitzer, SpeerC.O.L. 80,0 mm / 3.150 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1502,8844.589829453,4252.89983273
N1603,8058.695331274,27C65.8C10573468
N1654,0061.796631704,53C69.9C10703509
C – Compressed load
 
Bullet7,5 g / 115 grMatchKing, SierraC.O.L. 83,5 mm / 3.287 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1502,5639.583327332,9445.49243031
N5502,8744.387128583,1849.19543130
N1602,9846.084427693,5454.69583143
 
Bullet8,4 g / 130 grSP, RemingtonC.O.L. 82,0 mm / 3.228 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,3451.584727793,7658.09403083
N5603,6456.287628733,9761.39553132
 
Bullet8,4 g / 130 grSPBT, SpeerC.O.L. 83,0 mm / 3.268 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1653,5454.685027874,0262.09423089
 
Bullet8,8 g / 135 grHPBT, SierraC.O.L. 83,0 mm / 3.268 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1602,9044.882226973,6656.59293048
N5603,6255.987628743,9160.39573140
N1653,6556.384427693,9060.29273041
 
Bullet9,1 g / 140 grA-Frame, SwiftC.O.L. 82,0 mm / 3.228 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5502,6340.675824873,0847.58592818
N1653,0547.179025923,5955.48672844
N5603,1248.178925893,6055.68882913
 
Bullet9,1 g / 140 grTSX, BarnesC.O.L. 81,5 mm / 3.209 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5502,4437.773724183,0146.58602822
N1652,9044.877225333,4252.88622828
N5603,1248.179826183,4853.78822894
 
Bullet9,7 g / 150 grBallistic Tip, NoslerC.O.L. 83,5 mm / 3.287 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1602,9245.173023953,3952.38422762
N1653,1047.873424083,7457.78702854
N5603,1348.374224343,6656.58702854
 
Bullet9,7 g / 150 grTSX, BarnesC.O.L. 82,0 mm / 3.228 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5502,4437.771223362,9345.28212694
N1652,7141.871323393,2750.58192687
N5602,9044.874624483,3651.98472779
 
Bullet10,4 g / 160 grPartition, NoslerC.O.L. 84,6 mm / 3.331 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1602,5038.669922932,8944.67812562
N1652,8844.473524113,3151.18112661
N5603,0146.574524443,4252.88472779