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Load data for .300 WSM + .308 | 125gr | Sierra SPT Pro-Hunter

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

.300 WSM + .308 | 125gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 125gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
2120
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.890" | 22.6mm
Caliber:
.300 WSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.163" | 4.1mm
Shank Seated Depth:
0.163" | 4.1mm
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_B5864_C378
Last updated:
2025-01-01

Load data for 188 loads in caliber .300 WSM with .308 | 125gr | Sierra SPT Pro-Hunter bullet and 94 powders such as Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52. 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".

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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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 2206H
<<locked>>
89%
56884
89%
**37
99%
ADI AR 2208
<<locked>>
95%
56985
89%
**14
99%
Accurate 2015
<<locked>>
85%
56855
89%
**32
100%
Accurate 2200
<<locked>>
87%
56521
89%
**87
98%
Accurate 2230
<<locked>>
83%
57276
90%
**87
100%
Accurate 2460
<<locked>>
83%
57000
89%
**81
100%
Accurate 2495
<<locked>>
88%
57276
90%
**10
100%
Accurate 2520
<<locked>>
87%
57174
90%
**30
100%
Accurate 2700
<<locked>>
95%
56826
89%
**25
95%
Accurate 4064
<<locked>>
94%
56913
89%
**17
100%
Accurate 4350
<<locked>>
97%
47979
75%
**28
97%
Alliant AR-Comp
<<locked>>
88%
57058
89%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
57246
90%
**46
100%
Alliant Reloder-10x
<<locked>>
83%
57290
90%
**58
100%
Alliant Reloder-15 👍
<<locked>>
92%
56913
89%
**50
99%
Alliant Reloder-16
<<locked>>
97%
46920
74%
**35
97%
Alliant Reloder-17
<<locked>>
97%
54824
86%
**19
100%
[Alliant Reloder-23]*
<<locked>>
97%
33243
52%
**87
93%
Baschieri & Pellagri 107
<<locked>>
89%
57130
90%
**56
99%
Hodgdon BL-C2
<<locked>>
87%
56681
89%
**50
100%
Hodgdon Benchmark
<<locked>>
87%
57043
89%
**68
100%
Hodgdon CFE223
<<locked>>
92%
56855
89%
**83
99%
Hodgdon H322
<<locked>>
86%
56927
89%
**07
100%
Hodgdon H380
<<locked>>
94%
56869
89%
**30
98%
Hodgdon H414
<<locked>>
97%
56420
88%
**76
96%
[Hodgdon H4350]*
<<locked>>
97%
45252
71%
**87
92%
Hodgdon Hybrid 100V
<<locked>>
97%
43279
68%
**97
98%
Hodgdon LVR
<<locked>>
97%
52098
82%
**91
97%
[Hodgdon Superperformance]*
<<locked>>
97%
52286
82%
**10
94%
Hodgdon VARGET
<<locked>>
95%
57174
90%
**23
99%
Hodgdon TrailBoss
<<locked>>
97%
33460
52%
**37
100%
IMR 3031
<<locked>>
92%
56811
89%
**43
100%
IMR 4064
<<locked>>
96%
57145
90%
**14
99%
IMR 4166 Enduron
<<locked>>
96%
57246
90%
**81
96%
IMR 4198
<<locked>>
83%
57276
90%
**15
100%
[IMR 4350]*
<<locked>>
97%
47819
75%
**36
93%
IMR 4451 Enduron
<<locked>>
97%
56130
88%
**81
96%
IMR 4831
<<locked>>
97%
40321
63%
**38
95%
IMR 4895 👍
<<locked>>
91%
56521
89%
**56
99%
IMR 8208 XBR
<<locked>>
88%
57363
90%
**14
100%
Lovex D073.5
<<locked>>
84%
57435
90%
**97
100%
Lovex D073.6
<<locked>>
89%
56782
89%
**14
100%
Lovex S060
<<locked>>
89%
56782
89%
**68
99%
Lovex S062
<<locked>>
93%
57232
90%
**20
100%
Lovex S065
<<locked>>
97%
52025
82%
**12
96%
Lovex S070
<<locked>>
97%
50038
78%
**96
95%
Norma 201
<<locked>>
90%
57130
90%
**04
100%
Norma 202
<<locked>>
90%
56826
89%
**94
100%
Norma 203B 👍
<<locked>>
93%
57363
90%
**63
99%
Norma URP
<<locked>>
97%
47688
75%
**25
97%
Ramshot Big Game 👍
<<locked>>
93%
57348
90%
**73
99%
[Ramshot Hunter]*
<<locked>>
97%
46673
73%
**92
94%
Ramshot TAC
<<locked>>
87%
56811
89%
**97
98%
Ramshot Wild Boar
<<locked>>
88%
56956
89%
**33
99%
Ramshot X-Terminator
<<locked>>
85%
56855
89%
**81
99%
ReloadSwiss RS 14
<<locked>>
96%
33562
53%
**77
100%
ReloadSwiss RS 40
<<locked>>
84%
56695
89%
**97
100%
ReloadSwiss RS 50
<<locked>>
93%
57000
89%
**01
97%
ReloadSwiss RS 52 👍
<<locked>>
93%
57217
90%
**79
100%
ReloadSwiss RS 60
<<locked>>
97%
53026
83%
**06
100%
ReloadSwiss RS 62
<<locked>>
97%
47993
75%
**48
97%
ReloadSwiss RS 70
<<locked>>
97%
47790
75%
**45
96%
Rottweil R 901
<<locked>>
87%
56782
89%
**71
100%
Rottweil R 902
<<locked>>
92%
56898
89%
**84
100%
Rottweil R 903
<<locked>>
96%
57174
90%
**43
100%
Rottweil R 907
<<locked>>
97%
54723
86%
**51
95%
SNPE Vectan SP 11
<<locked>>
96%
57348
90%
**76
99%
SNPE Vectan SP 7
<<locked>>
88%
56637
89%
**97
98%
SNPE Vectan SP 9
<<locked>>
90%
57246
90%
**33
99%
SNPE Vectan Tubal 3000
<<locked>>
89%
57159
90%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
57087
89%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
52736
83%
**66
95%
Shooters World Long Rifle
<<locked>>
97%
52025
82%
**12
96%
Shooters World Match Rifle
<<locked>>
89%
56782
89%
**14
100%
Shooters World Precision
<<locked>>
93%
57232
90%
**20
100%
Somchem S321
<<locked>>
85%
56840
89%
**20
100%
Somchem S335
<<locked>>
90%
57290
90%
**28
100%
Somchem S341
<<locked>>
88%
56811
89%
**07
99%
Somchem S355
<<locked>>
96%
56826
89%
**33
100%
Somchem S365
<<locked>>
97%
42134
66%
**43
99%
Vihtavuori N130
<<locked>>
86%
57261
90%
**05
100%
Vihtavuori N133
<<locked>>
91%
56565
89%
**02
100%
Vihtavuori N135
<<locked>>
97%
54723
86%
**38
100%
Vihtavuori N140
<<locked>>
92%
57159
90%
**78
100%
Vihtavuori N150
<<locked>>
97%
49139
77%
**56
100%
Vihtavuori N160
<<locked>>
97%
52605
82%
**64
98%
Vihtavuori N530
<<locked>>
86%
56884
89%
**20
100%
Vihtavuori N540
<<locked>>
92%
57290
90%
**10
100%
Vihtavuori N550
<<locked>>
97%
52982
83%
**20
98%
[Vihtavuori N555]*
<<locked>>
97%
35418
56%
**79
94%
Winchester 6.5 StaBALL
<<locked>>
97%
50705
79%
**02
99%
Winchester 748
<<locked>>
85%
57334
90%
**60
100%
Winchester 760
<<locked>>
97%
56420
88%
**76
96%
Winchester StaBALL Match
<<locked>>
83%
56956
89%
**40
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
43918
69%
**87
97%
[ADI AR 2208]*
<<locked>>
81%
37014
58%
**90
94%
Accurate 2015
<<locked>>
81%
49472
78%
**14
100%
Accurate 2200
<<locked>>
81%
46006
72%
**91
96%
Accurate 2230
<<locked>>
81%
52591
82%
**05
99%
Accurate 2460
<<locked>>
81%
52591
82%
**12
100%
Accurate 2495
<<locked>>
81%
44585
70%
**97
100%
Accurate 2520
<<locked>>
81%
45629
72%
**20
100%
[Accurate 2700]*
<<locked>>
85%
41046
64%
**10
90%
Accurate 4064
<<locked>>
81%
37536
59%
**49
99%
[Accurate 4350]*
<<locked>>
85%
30748
48%
**99
90%
Alliant AR-Comp
<<locked>>
81%
45614
71%
**07
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
36361
57%
**20
96%
Alliant Reloder-10x
<<locked>>
81%
53490
84%
**96
100%
Alliant Reloder-15
<<locked>>
81%
39479
62%
**99
95%
[Alliant Reloder-16]*
<<locked>>
85%
31923
50%
**18
90%
[Alliant Reloder-17]*
<<locked>>
81%
31705
50%
**54
93%
[Alliant Reloder-23]*
<<locked>>
92%
28645
45%
**36
90%
Baschieri & Pellagri 107
<<locked>>
81%
42815
67%
**77
96%
Hodgdon BL-C2
<<locked>>
81%
45440
71%
**40
99%
Hodgdon Benchmark
<<locked>>
81%
47979
75%
**97
99%
[Hodgdon CFE223]*
<<locked>>
81%
37898
59%
**79
94%
Hodgdon H322
<<locked>>
81%
48385
76%
**63
100%
[Hodgdon H380]*
<<locked>>
81%
37275
58%
**27
93%
[Hodgdon H414]*
<<locked>>
86%
38522
60%
**02
90%
[Hodgdon H4350]*
<<locked>>
93%
40538
64%
**82
90%
[Hodgdon Hybrid 100V]*
<<locked>>
83%
27456
43%
**51
90%
[Hodgdon LVR]*
<<locked>>
83%
33069
52%
**51
90%
[Hodgdon Superperformance]*
<<locked>>
90%
41147
64%
**68
90%
[Hodgdon VARGET]*
<<locked>>
81%
36869
58%
**90
94%
Hodgdon TrailBoss
<<locked>>
81%
26643
42%
**70
100%
IMR 3031
<<locked>>
81%
39755
62%
**28
100%
[IMR 4064]*
<<locked>>
81%
36405
57%
**81
94%
[IMR 4166 Enduron]*
<<locked>>
82%
38072
60%
**77
90%
IMR 4198
<<locked>>
81%
53301
84%
**50
100%
[IMR 4350]*
<<locked>>
91%
40524
63%
**82
90%
[IMR 4451 Enduron]*
<<locked>>
85%
39102
61%
**30
90%
[IMR 4831]*
<<locked>>
88%
30690
48%
**79
90%
IMR 4895
<<locked>>
81%
40509
63%
**31
96%
IMR 8208 XBR
<<locked>>
81%
46021
72%
**97
99%
Lovex D073.5
<<locked>>
81%
52040
82%
**09
100%
Lovex D073.6
<<locked>>
81%
42641
67%
**64
99%
Lovex S060
<<locked>>
81%
43816
69%
**22
97%
Lovex S062
<<locked>>
81%
38653
61%
**46
97%
[Lovex S065]*
<<locked>>
83%
34098
53%
**05
90%
[Lovex S070]*
<<locked>>
88%
37507
59%
**17
90%
Norma 201
<<locked>>
81%
42772
67%
**31
98%
Norma 202
<<locked>>
81%
43076
67%
**48
100%
Norma 203B
<<locked>>
81%
39001
61%
**89
96%
[Norma URP]*
<<locked>>
84%
31067
49%
**02
90%
Ramshot Big Game
<<locked>>
81%
38377
60%
**86
95%
[Ramshot Hunter]*
<<locked>>
89%
36521
57%
**49
90%
Ramshot TAC
<<locked>>
81%
46006
72%
**87
95%
Ramshot Wild Boar
<<locked>>
81%
45165
71%
**17
98%
Ramshot X-Terminator
<<locked>>
81%
49690
78%
**50
98%
ReloadSwiss RS 14
<<locked>>
81%
26818
42%
**09
100%
ReloadSwiss RS 40
<<locked>>
81%
51692
81%
**12
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
37782
59%
**00
91%
ReloadSwiss RS 52
<<locked>>
81%
37420
59%
**89
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
30777
48%
**18
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
32126
50%
**51
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
35302
55%
**30
90%
Rottweil R 901
<<locked>>
81%
46905
74%
**97
100%
Rottweil R 902
<<locked>>
81%
40727
64%
**76
98%
Rottweil R 903
<<locked>>
81%
33852
53%
**51
95%
[Rottweil R 907]*
<<locked>>
87%
40263
63%
**49
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
34983
55%
**04
94%
SNPE Vectan SP 7
<<locked>>
81%
44193
69%
**64
95%
SNPE Vectan SP 9
<<locked>>
81%
42293
66%
**35
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
44483
70%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36709
58%
**38
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
37623
59%
**58
90%
[Shooters World Long Rifle]*
<<locked>>
83%
34098
53%
**05
90%
Shooters World Match Rifle
<<locked>>
81%
42641
67%
**64
99%
Shooters World Precision
<<locked>>
81%
38653
61%
**46
97%
Somchem S321
<<locked>>
81%
49719
78%
**86
99%
Somchem S335
<<locked>>
81%
43729
69%
**95
100%
Somchem S341
<<locked>>
81%
43700
68%
**58
97%
Somchem S355
<<locked>>
81%
34766
54%
**67
95%
[Somchem S365]*
<<locked>>
81%
25295
40%
**25
90%
Vihtavuori N130
<<locked>>
81%
49226
77%
**77
100%
Vihtavuori N133
<<locked>>
81%
41466
65%
**46
100%
Vihtavuori N135
<<locked>>
81%
33736
53%
**25
99%
Vihtavuori N140
<<locked>>
81%
40118
63%
**59
100%
[Vihtavuori N150]*
<<locked>>
81%
29617
46%
**94
94%
[Vihtavuori N160]*
<<locked>>
81%
31053
49%
**62
90%
Vihtavuori N530
<<locked>>
81%
48631
76%
**69
99%
Vihtavuori N540
<<locked>>
81%
40016
63%
**76
99%
[Vihtavuori N550]*
<<locked>>
81%
31430
49%
**08
90%
[Vihtavuori N555]*
<<locked>>
91%
29515
46%
**99
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
29718
47%
**87
92%
Winchester 748
<<locked>>
81%
49095
77%
**09
100%
[Winchester 760]*
<<locked>>
86%
38522
60%
**02
90%
Winchester StaBALL Match
<<locked>>
81%
52475
82%
**55
99%

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.

<<locked>>... you need to buy an access license to unlock the data

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