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Load data for .300 WSM (.300 Win. Short Magnum) + .308 | 178gr | Remington SP Extended-Range

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Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 WSM (.300 Win. Short Magnum) + .308 | 178gr | Remington SP Extended-Range

Load Specifications

Bullet:
.308 | 178gr | Remington SP Extended-Range
Bullet Weight:
178gr | 11.5g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.300 WSM (.300 Win. Short Magnum)
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.273" | 6.9mm
Shank Seated Depth:
0.273" | 6.9mm
Case Capacity:
81.3 Grains of Water | 5.28 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5173_C378

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 168 loads in caliber .300 WSM (.300 Win. Short Magnum) with .308 | 178gr | Remington SP Extended-Range bullet and 84 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
87%
56565
89%
**31
100%
ADI AR 2209
<<locked>>
97%
52823
83%
**58
97%
ADI AR 2213
<<locked>>
97%
47558
75%
**95
95%
Accurate 2700
<<locked>>
88%
56666
89%
**89
99%
Accurate 3100
<<locked>>
97%
46717
73%
**20
98%
Accurate 4064
<<locked>>
86%
57421
90%
**12
100%
Accurate 4350
<<locked>>
93%
56985
89%
**00
100%
[Accurate MAGPRO]*
<<locked>>
97%
45397
71%
**72
92%
Alliant Reloder- TS 15.5
<<locked>>
87%
57159
90%
**54
100%
Alliant Reloder-15
<<locked>>
85%
56840
89%
**71
100%
Alliant Reloder-16 👍
<<locked>>
95%
57043
89%
**46
100%
Alliant Reloder-17
<<locked>>
90%
56913
89%
**53
100%
Alliant Reloder-19
<<locked>>
97%
52823
83%
**61
97%
Alliant Reloder-22
<<locked>>
97%
46456
73%
**95
96%
Alliant Reloder-23
<<locked>>
97%
44005
69%
**49
100%
Alliant Reloder-25
<<locked>>
97%
38159
60%
**51
97%
Alliant Reloder-26
<<locked>>
97%
49908
78%
**27
100%
Hodgdon CFE223
<<locked>>
85%
56579
89%
**90
100%
Hodgdon H380
<<locked>>
87%
57377
90%
**67
100%
Hodgdon H414
<<locked>>
89%
56898
89%
**23
99%
Hodgdon H4350
<<locked>>
96%
57058
89%
**67
99%
[Hodgdon H4831]*
<<locked>>
97%
44309
69%
**80
93%
Hodgdon H4831 SC
<<locked>>
97%
49893
78%
**89
95%
Hodgdon Hybrid 100V
<<locked>>
97%
56347
88%
**58
100%
Hodgdon LVR
<<locked>>
92%
56695
89%
**00
100%
Hodgdon Superperformance 👍
<<locked>>
92%
57290
90%
**59
99%
Hodgdon VARGET
<<locked>>
88%
56942
89%
**35
100%
Hodgdon TrailBoss
<<locked>>
97%
34708
54%
**22
100%
IMR 3031
<<locked>>
84%
57159
90%
**15
100%
IMR 4064
<<locked>>
88%
57290
90%
**25
100%
IMR 4166 Enduron
<<locked>>
89%
56869
89%
**22
99%
IMR 4350
<<locked>>
95%
57232
90%
**64
99%
IMR 4451 Enduron
<<locked>>
90%
56565
89%
**38
99%
IMR 4831
<<locked>>
97%
53345
84%
**31
100%
IMR 4895
<<locked>>
84%
56710
89%
**74
100%
IMR 4955 Enduron
<<locked>>
97%
49748
78%
**46
95%
IMR 7828 SSC
<<locked>>
97%
49153
77%
**38
95%
Lovex S062
<<locked>>
86%
57406
90%
**22
100%
Lovex S065
<<locked>>
92%
57363
90%
**48
100%
Lovex S070
<<locked>>
94%
57232
90%
**71
99%
Lovex S071
<<locked>>
97%
39015
61%
**75
97%
Norma 203B
<<locked>>
85%
56985
89%
**61
100%
Norma 204
<<locked>>
94%
57406
90%
**10
98%
Norma MRP
<<locked>>
97%
48805
76%
**77
98%
Norma URP
<<locked>>
94%
56623
89%
**04
100%
Ramshot Big Game
<<locked>>
85%
57246
90%
**81
100%
Ramshot Hunter 👍
<<locked>>
95%
56768
89%
**20
100%
Ramshot Magnum
<<locked>>
97%
44657
70%
**43
96%
ReloadSwiss RS 14
<<locked>>
97%
35404
55%
**65
100%
ReloadSwiss RS 50
<<locked>>
86%
56797
89%
**48
99%
ReloadSwiss RS 52
<<locked>>
85%
57000
89%
**71
100%
ReloadSwiss RS 60
<<locked>>
91%
56536
89%
**72
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
57043
89%
**36
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
57174
90%
**79
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
36825
58%
**38
94%
Rottweil R 902
<<locked>>
85%
56869
89%
**99
100%
Rottweil R 903
<<locked>>
89%
56811
89%
**44
100%
Rottweil R 904
<<locked>>
97%
55317
87%
**41
97%
Rottweil R 905
<<locked>>
97%
51213
80%
**31
97%
Rottweil R 907
<<locked>>
91%
56855
89%
**41
99%
SNPE Vectan SP 11
<<locked>>
88%
57174
90%
**90
100%
SNPE Vectan SP 9
<<locked>>
83%
57101
89%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
57058
89%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57203
90%
**05
99%
Shooters World Long Rifle
<<locked>>
92%
57363
90%
**48
100%
Shooters World Precision
<<locked>>
86%
57406
90%
**22
100%
Somchem S355
<<locked>>
89%
57014
89%
**44
100%
Somchem S361
<<locked>>
97%
56956
89%
**38
96%
Somchem S365
<<locked>>
97%
56840
89%
**23
100%
Somchem S385
<<locked>>
97%
52257
82%
**18
98%
Vihtavuori N133
<<locked>>
84%
56521
89%
**00
100%
Vihtavuori N135
<<locked>>
90%
56478
89%
**49
100%
Vihtavuori N140
<<locked>>
85%
57392
90%
**72
100%
Vihtavuori N150
<<locked>>
94%
57348
90%
**12
100%
Vihtavuori N160
<<locked>>
91%
56565
89%
**61
100%
Vihtavuori N165
<<locked>>
97%
43294
68%
**51
96%
Vihtavuori N540
<<locked>>
85%
57116
90%
**05
100%
Vihtavuori N550
<<locked>>
91%
57159
90%
**13
100%
Vihtavuori N555
<<locked>>
97%
48849
77%
**22
100%
[Vihtavuori N560]*
<<locked>>
97%
46369
73%
**08
94%
[Vihtavuori N565]*
<<locked>>
97%
39189
61%
**48
92%
Winchester 6.5 StaBALL
<<locked>>
93%
56768
89%
**38
100%
Winchester 760
<<locked>>
89%
56898
89%
**23
99%
Winchester StaBALL HD
<<locked>>
97%
37478
59%
**85
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46586
73%
**71
100%
[ADI AR 2209]*
<<locked>>
82%
32909
52%
**41
90%
[ADI AR 2213]*
<<locked>>
89%
37318
58%
**62
90%
Accurate 2700
<<locked>>
81%
44875
70%
**92
96%
[Accurate 3100]*
<<locked>>
81%
27267
43%
**83
91%
Accurate 4064
<<locked>>
81%
49197
77%
**97
100%
Accurate 4350
<<locked>>
81%
37333
59%
**56
98%
[Accurate MAGPRO]*
<<locked>>
94%
41771
65%
**97
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
46992
74%
**00
100%
Alliant Reloder-15
<<locked>>
81%
50198
79%
**59
100%
Alliant Reloder-16
<<locked>>
81%
36419
57%
**62
98%
Alliant Reloder-17
<<locked>>
81%
41307
65%
**97
100%
[Alliant Reloder-19]*
<<locked>>
81%
31821
50%
**18
90%
[Alliant Reloder-22]*
<<locked>>
85%
32053
50%
**64
90%
Alliant Reloder-23
<<locked>>
81%
26658
42%
**16
95%
[Alliant Reloder-25]*
<<locked>>
85%
26672
42%
**10
90%
[Alliant Reloder-26]*
<<locked>>
81%
28123
44%
**08
93%
Hodgdon CFE223
<<locked>>
81%
49168
77%
**82
100%
Hodgdon H380
<<locked>>
81%
47819
75%
**13
99%
Hodgdon H414
<<locked>>
81%
42714
67%
**71
97%
[Hodgdon H4350]*
<<locked>>
81%
35476
56%
**61
93%
[Hodgdon H4831]*
<<locked>>
92%
37681
59%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
37971
60%
**43
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34040
53%
**61
99%
Hodgdon LVR
<<locked>>
81%
40059
63%
**08
98%
Hodgdon Superperformance
<<locked>>
81%
38319
60%
**05
95%
Hodgdon VARGET
<<locked>>
81%
46122
72%
**64
100%
Hodgdon TrailBoss
<<locked>>
89%
31082
49%
**50
100%
IMR 3031
<<locked>>
81%
51590
81%
**40
100%
IMR 4064
<<locked>>
81%
45701
72%
**44
100%
IMR 4166 Enduron
<<locked>>
81%
44918
70%
**15
97%
[IMR 4350]*
<<locked>>
81%
37260
58%
**00
94%
IMR 4451 Enduron
<<locked>>
81%
42989
67%
**08
97%
IMR 4831
<<locked>>
81%
32503
51%
**28
96%
IMR 4895
<<locked>>
81%
51561
81%
**95
100%
[IMR 4955 Enduron]*
<<locked>>
87%
36593
57%
**80
90%
[IMR 7828 SSC]*
<<locked>>
89%
37217
58%
**79
90%
Lovex S062
<<locked>>
81%
49255
77%
**00
100%
Lovex S065
<<locked>>
81%
40567
64%
**59
97%
Lovex S070
<<locked>>
81%
38725
61%
**36
96%
[Lovex S071]*
<<locked>>
83%
25324
40%
**31
90%
Norma 203B
<<locked>>
81%
49690
78%
**49
100%
[Norma 204]*
<<locked>>
81%
36651
57%
**20
92%
[Norma MRP]*
<<locked>>
82%
29153
46%
**08
90%
Norma URP
<<locked>>
81%
37173
58%
**56
98%
Ramshot Big Game
<<locked>>
81%
49763
78%
**72
100%
Ramshot Hunter
<<locked>>
81%
35969
56%
**36
96%
[Ramshot Magnum]*
<<locked>>
87%
31328
49%
**25
90%
ReloadSwiss RS 14
<<locked>>
84%
29370
46%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
47558
75%
**97
98%
ReloadSwiss RS 52
<<locked>>
81%
49342
77%
**66
100%
ReloadSwiss RS 60
<<locked>>
81%
39987
63%
**87
100%
ReloadSwiss RS 62
<<locked>>
81%
36825
58%
**66
97%
ReloadSwiss RS 70
<<locked>>
81%
36114
57%
**75
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
31589
50%
**84
90%
Rottweil R 902
<<locked>>
81%
50865
80%
**10
100%
Rottweil R 903
<<locked>>
81%
44440
70%
**51
100%
[Rottweil R 904]*
<<locked>>
83%
35056
55%
**54
90%
[Rottweil R 905]*
<<locked>>
82%
31546
49%
**21
90%
Rottweil R 907
<<locked>>
81%
41582
65%
**72
96%
SNPE Vectan SP 11
<<locked>>
81%
45556
71%
**07
100%
SNPE Vectan SP 9
<<locked>>
81%
53287
83%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46064
72%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39639
62%
**00
96%
Shooters World Long Rifle
<<locked>>
81%
40567
64%
**59
97%
Shooters World Precision
<<locked>>
81%
49255
77%
**00
100%
Somchem S355
<<locked>>
81%
44831
70%
**48
100%
[Somchem S361]*
<<locked>>
84%
37188
58%
**74
90%
Somchem S365
<<locked>>
81%
33504
52%
**13
99%
[Somchem S385]*
<<locked>>
81%
31125
49%
**85
91%
Vihtavuori N133
<<locked>>
81%
51155
80%
**31
100%
Vihtavuori N135
<<locked>>
81%
43555
68%
**62
100%
Vihtavuori N140
<<locked>>
81%
50459
79%
**84
100%
Vihtavuori N150
<<locked>>
81%
38319
60%
**00
100%
Vihtavuori N160
<<locked>>
81%
40030
63%
**79
98%
[Vihtavuori N165]*
<<locked>>
86%
30342
48%
**49
90%
Vihtavuori N540
<<locked>>
81%
50459
79%
**07
100%
Vihtavuori N550
<<locked>>
81%
40843
64%
**28
98%
Vihtavuori N555
<<locked>>
81%
28979
45%
**85
95%
[Vihtavuori N560]*
<<locked>>
90%
37550
59%
**05
90%
[Vihtavuori N565]*
<<locked>>
94%
35984
56%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37898
59%
**23
99%
Winchester 760
<<locked>>
81%
42714
67%
**71
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23511
37%
**64
93%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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