.300 Winchester Magnum

Test barrel: 620 mm (24½”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Lapua, trim-to length 66,30 mm (2.610”)

CAUTION: Loads less than the listed starting loads may cause excessive chamber pressure and must not be used!

 
Bullet8,0 g / 123 grLapua, FMJC.O.L. 81,9 mm / 3.224 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5404,1063.398032154,5169.610603478
N1503,8459.394430974,3767.410293376
N5504,3066.497531994,6772.110633488
N5554,6071.097231895,10C78.7C10713514
N1604,5069.495531335,0778.210553461
C – Compressed load
 
Bullet8,4 g / 130 grBarnes, TTSX BTC.O.L. 84,8 mm / 3.340 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1503,7557.994030844,2665.710153330
N5554,8074.198532325,20C80.2C10583471
N1604,7773.695931465,22C80.6C10463432
N1655,2080.297031825,60C86.4C10573468
N5605,1078.797732055,46C84.3C10553461
N5655,1579.594731075,50C84.9C10173337
C – Compressed load
 
Bullet9,7 g / 150 grLapua, Mega E469C.O.L. 79,5 mm / 3.130 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,9060.287728774,2966.29593146
N5553,9160.385928184,6071.09643163
N1603,5054.082927204,2665.79293048
N1654,3066.487028545,1279.09733192
N5604,3567.187028544,8474.79683176
N5654,5570.288328975,1579.59763202
N1704,9075.687728775,2581.09283045
 
Bullet10,0 g / 155 grBrenneke, TAGC.O.L. 83,5 mm / 3.287 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5504,0762.889729434,4468.59743196
N5554,5069.491530024,8975.59883241
N1604,5069.489729434,9876.99783209
N1654,9977.092130225,40C83.3C10003281
N5604,7673.590729765,1679.69893245
C – Compressed load
 
Bullet10,0 g / 155 grLapua, Scenar / OTM Scenar-LC.O.L. 84,0 mm / 3.307 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1503,5054.085728124,0262.09273041
N5503,9060.287328644,3366.89633159
N5554,3066.489829464,7373.09773205
N1604,2565.687328644,7873.89553133
N1654,8074.189429335,29C81.6C9823222
N5604,6071.090429664,9776.79763202
N5654,7573.389329305,1879.99743196
C – Compressed load
 
Bullet10,0 g / 155 grSierra, HPBTC.O.L. 84,8 mm / 3.339 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1503,5054.086128253,8859.99233028
N5504,1063.390229594,3667.39663169
N5554,3567.189929494,7873.89793212
N1604,3667.388429004,80C74.1C9623156
N1654,9075.691129895,23C80.7C9843228
N5604,7072.590829795,04C77.8C9833225
N5654,8574.890029535,25C81.0C9813219
C – Compressed load
 
Bullet10,7 g / 165 grBarnes, TTSX BTC.O.L. 84,8 mm / 3.339 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1653,5054.078325693,9360.68592818
N5604,2565.684027564,77C73.6C9293048
N5654,3066.483827494,87C75.2C9233028
N5704,4067.987928845,20C80.2C9503117
C – Compressed load
 
Bullet10,7 g / 165 grHornady, SSTC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,9561.087228614,2665.79393081
N5554,2465.487928844,6271.39483110
N1604,2565.686128254,7172.79363071
N1654,6872.288028875,0177.39513120
N5604,5169.687528714,8875.39533127
N5654,7473.187528715,1279.09473107
 
Bullet10,7 g / 165 grLOS, Solid Brass TacticC.O.L. 84,8 mm / 3.339 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,9060.286828484,2565.69393081
N5554,2064.886728444,69C72.4C9523123
N1654,7573.389329305,27C81.3C9713186
N5604,6571.888529045,0577.99643163
N5654,7673.587928845,30C81.8C9573140
C – Compressed load
 
Bullet10,7 g / 165 grSierra, SBTC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,9360.685928184,3066.49313054
N5554,0462.385628084,6471.69403084
N1603,5654.980626444,2765.99002953
N1654,3567.185027895,1479.39473107
N5604,4468.587028544,8574.89473107
N5654,6071.086828485,1479.39523123
N1705,0077.286228285,3883.09343064
 
Bullet10,8 g / 166 grCopperBear, EXHBTC.O.L. 84,0 mm / 3.307 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5403,2049.478325693,7257.48772877
N1503,0847.576124973,5354.58442769
N5503,4052.579225983,8960.08832897
N5553,7858.381626774,2665.78982946
N1603,5755.178125624,0262.08662841
N1653,8659.680326354,4568.78992949
N1704,1063.379526084,6071.08832897
 
Bullet10,9 g / 167 grLapua, OTM ScenarC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,1363.784327664,5870.79183012
N1654,5870.787128584,9977.09433094
N5604,5470.187228614,8975.59493114
N5654,6772.186928515,0377.69413087
N1704,9175.885628085,29C81.6C9273041
C – Compressed load
 
Bullet10,9 g / 168 grHornady, A-MaxC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,8659.685728124,2365.39293048
N5554,2064.886828484,6071.09373074
N1604,1063.383727464,5670.49142999
N1654,6071.087228615,0077.29443097
N5604,4769.086628414,8374.59423091
N5654,6571.886928515,0978.69423091
 
Bullet10,9 g / 168 grSierra, HPBTC.O.L. 84,8 mm / 3.339 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,8058.683627434,2265.19193015
N5554,1463.985828154,5770.59313054
N1604,0362.283427364,5269.89142999
N1654,5369.986028225,06C78.1C9443097
N5604,4067.985528054,8074.19383077
N5654,6571.885828155,10C78.7C9383077
N5704,8574.885928185,20C80.2C9072976
C – Compressed load
 
Bullet11,0 g / 170 grLapua, LockBase B476C.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,8459.384727794,2565.69203018
N5554,0061.784627764,5470.19283045
N1603,9961.682226974,5369.99032963
N1654,5069.484127595,0477.89333061
N5604,4067.985928184,7573.39313054
N5654,5570.286128255,0577.99383077
N1704,8074.183727465,32F82.1F9213022
N5685,0077.284627765,15F79.5F8722861
F – Case full
 
Bullet11,0 g / 170 grLapua, Naturalis N558C.O.L. 84,0 mm / 3.307 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,7057.181426714,0863.08922927
N5553,9060.282427034,3467.08982946
N1603,4052.575924904,0963.18642835
N1653,8058.678625794,9075.69112989
N5604,2565.683527404,5870.79102986
N5654,4067.984327664,80C74.1C9153002
C – Compressed load
 
Bullet11,3 g / 175 grBerger, OTM TacticalC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,8759.783427364,1964.79012956
N5554,1564.084227624,5570.29072976
N1603,9060.281226644,5970.88982946
N1654,6471.685227955,0277.59253035
N5604,5169.685428024,8174.29233028
N5654,6671.985828155,0077.29233028
 
Bullet11,3 g / 175 grLapua, OTM Scenar-L GB550C.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1604,0061.783327334,5269.88972943
N1654,5269.884827824,9376.19213022
N5604,5169.685628084,8574.89263038
N5654,6071.085528054,9776.79233028
N1704,8775.283827495,33C82.3C9173009
C – Compressed load
 
Bullet11,3 g / 175 grNosler, RDFC.O.L. 84,8 mm / 3.340 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,9360.684127594,2565.69082979
N5554,3066.485528054,65C71.8C9213022
N1604,3066.483727464,7072.59072976
N1654,7773.686228285,11C78.9C9323058
N5604,6071.086828484,97C76.7C9383077
N5654,8074.186528385,15C79.5C9323058
C – Compressed load
 
Bullet11,3 g / 175 grSako, Blade 659AC.O.L. 84,8 mm / 3.340 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,6556.379826184,0562.58752871
N5553,4553.277825523,9260.58512792
N1603,4853.775524773,8759.78352740
N5604,3567.182927204,77C73.6C9082979
N5654,3567.182627104,87C75.2C8962940
C – Compressed load
 
Bullet11,3 g / 175 grSierra, HPBTC.O.L. 84,8 mm / 3.339 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,7758.283327334,1463.98992949
N5554,0762.883827494,4969.39092982
N1604,0562.582026904,5069.48962940
N1654,5269.884927854,9876.99253035
N5604,4568.785327994,8074.19223025
N5654,6071.084127595,02C77.5C9183012
N1704,8574.883327335,32C82.1C9142999
N5705,0077.286928515,20C80.2C9112989
C – Compressed load
 
Bullet11,6 g / 178 grHornady, ELD-XC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,5054.079426053,7758.28322730
N1653,7057.177725494,91F75.8F9012956
N5604,2565.683027234,6772.19072976
F – Case full
 
Bullet11,7 g / 180 grFox Bullets, Classic HunterC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1653,8158.878125624,3166.58632831
N5604,1564.081426714,5770.58892917
N5654,3066.481726804,88C75.3C8952936
C – Compressed load
 
Bullet11,7 g / 180 grHornady, GMXC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5553,5354.576625133,9561.08372746
N1603,5054.076425073,7958.58132667
N1653,6856.875024614,1363.78322730
N5603,8559.478125624,3166.58652838
N5653,9360.678725824,5269.88682848
 
Bullet11,7 g / 180 grNosler, BT HuntingC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,5670.482627104,95C76.4C8962940
N5604,4368.482927204,7673.59002953
N5654,5970.883727465,02C77.5C9052969
N1704,8675.082026905,29C81.6C8952936
C – Compressed load
 
Bullet11,9 g / 184 grCopperBear, EXHBTC.O.L. 82,5 mm / 3.248 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5553,4052.573924253,8859.98172680
N1603,4052.574724513,7457.77982618
N1653,5254.372523794,0061.78092654
N5603,7858.376925234,2265.18472779
N5653,9060.276825204,3066.48382749
N1704,2064.875824874,5670.48292720
 
Bullet12,0 g / 185 grLapua, D46C.O.L. 84,8 mm / 3.340 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1503,3050.977925563,6556.38372746
N5503,8058.681226644,2565.68892917
N5554,0562.581726804,50C69.4C8902920
N1604,1063.380526414,5269.88792884
N1654,5069.482627104,96C76.5C9042966
N5604,4568.783627434,7573.39062972
N5654,5570.283027234,97C76.7C9072976
C – Compressed load
 
Bullet12,0 g / 185 grLapua, Mega E415C.O.L. 82,5 mm / 3.248 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,8559.481326674,1764.48762874
N5554,0362.281126614,4769.08812890
N1603,8759.776625134,4168.18592818
N1654,1664.278225664,8274.48812890
N5604,3366.881726804,7272.88902920
N5654,4668.881926874,9676.58972943
N1704,7573.380426385,23C80.7C8822894
N5685,0077.283127265,15F79.5F8532799
C – Compressed load
 
Bullet12,0 g / 185 grLapua, OTM ScenarC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,9060.279125954,3467.08572812
N1654,3266.781326674,8474.78892917
N5604,3967.782827174,7373.08992949
N5654,4969.383027234,8775.28992949
N1704,7673.581626775,1579.58882913
 
Bullet12,3 g / 190 grHornady, CXC.O.L. 84,8 mm / 3.340 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,6556.379125954,0963.18552805
N5553,8058.678325694,35C67.1C8512792
N1603,4052.572523793,8960.08072648
N1654,2064.880626444,80C74.1C8712858
N5604,5069.482126944,85C74.8C8932930
N5654,5069.480026255,07C78.2C8852904
C – Compressed load
 
Bullet12,3 g / 190 grSierra, HPBTC.O.L. 84,8 mm / 3.339 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1603,8259.077725494,3266.78532799
N1654,2465.479926214,83C74.5C8822894
N5604,2565.681126614,6571.88842900
N5654,4067.981526744,85C74.8C8862907
N1704,7072.580126285,18C79.9C8802887
N5704,7573.384027565,20C80.2C9002953
C – Compressed load
 
Bullet13,0 g / 200 grLapua, Mega E401C.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1653,8559.475424744,3867.68262710
N5654,2265.178225664,6571.88522795
N1704,4368.476625134,9275.98412759
N5684,5169.678525755,0277.58572812
N5704,3867.679225984,8074.18662841
 
Bullet13,0 g / 200 grNosler, PartitionC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1653,9060.276124974,6371.58352740
N5654,4568.779526084,8574.88612825
N1704,6071.077525435,10C78.7C8522795
N5704,4268.279626124,7573.38622828
C – Compressed load
 
Bullet13,3 g / 205 grBerger, Elite HunterC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,7057.177925564,0362.28412759
N5554,0061.778125624,4268.28502789
N1604,0562.577025264,5369.98502789
N1654,6071.080326354,9275.98732864
N5604,3266.780026254,6772.18662841
N5654,4869.180226314,8474.78682848
N1704,7072.578425725,10C78.7C8532799
N5685,0277.581126615,15C79.5C8312726
C – Compressed load
 
Bullet13,5 g / 208 grBerger, Long Range Hybrid TargetC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,7057.177825524,0562.58372746
N5553,9861.477525434,3867.68422762
N1604,0061.776425074,4568.78352740
N1654,5269.879526084,8775.28592818
N5604,3066.479225984,6471.68612825
N5654,5069.480126284,8574.88632831
N1704,7072.578525755,10C78.7C8522795
C – Compressed load
 
Bullet14,3 g / 220 grBerger, Long Range Hybrid TargetC.O.L. 88,0 mm(1 / 3.465 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5503,6055.675024613,8859.98012628
N5553,8058.674324384,2265.18072648
N1603,6656.572223694,2265.17982618
N1654,0863.074624484,6471.68222697
N5604,1063.376625134,5069.48322730
N5654,2565.676625134,6872.28352740
N1704,5269.875824874,95F76.4F8262710
N5684,8975.578625795,15C79.5C8302723
1) The cartridge overall length exceeds the CIP maximum.
C – Compressed load
 
Bullet14,3 g / 220 grLapua, OTM Scenar-LC.O.L. 84,8 mm / 3.338 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1653,9661.172123654,4769.07912595
N5604,0362.274024284,4468.58162677
N5654,4168.177125304,73C73.0C8332733
N1704,6671.976425075,01C77.3C8302723
N5684,9676.578625795,20C80.2C8312726
N5705,0077.281026575,20C80.2C8562808
C – Compressed load
 
Bullet14,6 g / 225 grHornady, ELD-MC.O.L. 86,0 mm(2 / 3.386 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N5553,8058.673524114,1964.77972615
N1603,7057.171823564,1564.07832569
N1654,0061.771723524,61C71.1C7962612
N5604,0061.773324054,4568.78112661
N5654,1564.073924254,67C72.1C8182684
N5684,8074.177325365,10C78.7C8212694
2) The cartridge overall length exceeds the CIP maximum.
C – Compressed load
 
Bullet14,9 g / 230 grBerger, Hybrid TargetC.O.L. 86,5 mm(3 / 3.406 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1654,0262.072123654,4568.77862579
N5654,2365.374524444,6671.98132667
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