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Load data for .300 Win. Mag. + .308 | 150gr | Sierra SPT Pro-Hunter

Recommended Powder(s):

.300 Win. Mag. + .308 | 150gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
2130
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5872_C380
Last updated:
2026-01-22

Load data for 178 loads in caliber .300 Win. Mag. with .308 | 150gr | Sierra SPT Pro-Hunter bullet and 89 powder(s). 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".

  • No data yet

  • 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 2208
<<locked>>
88%
55912
90%
**74
100%
ADI AR 2209
<<locked>>
97%
51677
83%
**64
96%
[ADI AR 2213]*
<<locked>>
97%
46354
74%
**82
92%
Accurate 2700
<<locked>>
89%
55927
90%
**18
98%
Accurate 3100
<<locked>>
97%
44730
72%
**10
97%
Accurate 4064
<<locked>>
86%
55898
90%
**48
100%
Accurate 4350 👍
<<locked>>
94%
55840
90%
**36
100%
Alliant Power Pro 2000-MR
<<locked>>
84%
55651
89%
**02
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55622
89%
**84
100%
Alliant Reloder-15
<<locked>>
85%
55869
90%
**00
100%
Alliant Reloder-16 👍
<<locked>>
95%
55579
89%
**82
100%
Alliant Reloder-17
<<locked>>
91%
55724
89%
**89
100%
Alliant Reloder-19
<<locked>>
97%
50633
81%
**58
96%
[Alliant Reloder-22]*
<<locked>>
97%
44802
72%
**76
94%
Alliant Reloder-23
<<locked>>
97%
42047
67%
**27
99%
Alliant Reloder-25
<<locked>>
97%
37260
60%
**22
95%
Alliant Reloder-26
<<locked>>
97%
47500
76%
**10
99%
[Bofors RP15]*
<<locked>>
97%
41481
67%
**97
93%
Bofors RP3
<<locked>>
87%
56072
90%
**97
100%
[Bofors RP5]*
<<locked>>
97%
44802
72%
**76
94%
Bofors RP7
<<locked>>
91%
55840
90%
**71
98%
Hodgdon CFE223
<<locked>>
86%
56130
90%
**33
100%
Hodgdon H380
<<locked>>
87%
55303
89%
**77
99%
Hodgdon H414
<<locked>>
90%
55550
89%
**43
98%
Hodgdon H4350
<<locked>>
97%
55564
89%
**77
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48602
78%
**79
92%
Hodgdon Hybrid 100V
<<locked>>
97%
54969
88%
**87
100%
Hodgdon LVR
<<locked>>
92%
55985
90%
**33
100%
Hodgdon Superperformance
<<locked>>
92%
55637
89%
**76
98%
Hodgdon VARGET
<<locked>>
88%
55738
89%
**64
100%
Hodgdon TrailBoss
<<locked>>
96%
34360
55%
**00
100%
IMR 3031
<<locked>>
85%
56043
90%
**64
100%
IMR 4064
<<locked>>
89%
56043
90%
**61
100%
IMR 4166 Enduron
<<locked>>
89%
55448
89%
**41
98%
IMR 4350
<<locked>>
95%
55564
89%
**77
98%
IMR 4451 Enduron
<<locked>>
90%
55941
90%
**74
98%
IMR 4831
<<locked>>
97%
51401
82%
**41
99%
IMR 4895
<<locked>>
85%
55927
90%
**10
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47993
77%
**33
93%
[IMR 7828 SSC]*
<<locked>>
97%
47036
75%
**15
93%
Lovex S060
<<locked>>
83%
55535
89%
**18
100%
Lovex S062
<<locked>>
86%
55361
89%
**48
100%
Lovex S065
<<locked>>
92%
55869
90%
**74
99%
Lovex S070
<<locked>>
94%
55753
89%
**84
98%
Lovex S071
<<locked>>
97%
37347
60%
**43
95%
Norma 201
<<locked>>
83%
55840
90%
**48
100%
Norma 202
<<locked>>
83%
55811
89%
**35
100%
Norma 203B
<<locked>>
86%
55767
89%
**00
100%
Norma 204
<<locked>>
94%
55477
89%
**17
97%
Norma MRP
<<locked>>
97%
47253
76%
**61
96%
Norma URP
<<locked>>
95%
55608
89%
**30
100%
Ramshot Big Game
<<locked>>
86%
56014
90%
**10
100%
[Ramshot Grand]*
<<locked>>
97%
50169
80%
**77
94%
Ramshot Hunter
<<locked>>
95%
55405
89%
**50
99%
[Ramshot Magnum]*
<<locked>>
97%
43584
70%
**27
94%
ReloadSwiss RS 14
<<locked>>
96%
34911
56%
**42
100%
ReloadSwiss RS 50
<<locked>>
87%
55912
90%
**68
99%
ReloadSwiss RS 60
<<locked>>
89%
56072
90%
**99
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
56086
90%
**59
100%
ReloadSwiss RS 70
<<locked>>
95%
55782
89%
**05
100%
Rottweil R 902
<<locked>>
85%
55738
89%
**31
100%
Rottweil R 903
<<locked>>
89%
55985
90%
**84
100%
Rottweil R 904
<<locked>>
97%
53534
86%
**54
95%
Rottweil R 905
<<locked>>
97%
49966
80%
**38
96%
Rottweil R 907
<<locked>>
91%
55840
90%
**71
98%
SNPE Vectan SP 11
<<locked>>
88%
55608
89%
**10
100%
SNPE Vectan SP 9
<<locked>>
83%
55666
89%
**71
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55753
89%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55434
89%
**05
98%
Shooters World Long Rifle
<<locked>>
92%
55869
90%
**74
99%
Shooters World Precision
<<locked>>
86%
55361
89%
**48
100%
Somchem S335
<<locked>>
83%
55869
90%
**63
100%
Somchem S355
<<locked>>
89%
55898
90%
**77
100%
[Somchem S361]*
<<locked>>
97%
55564
89%
**35
94%
Somchem S365 👍
<<locked>>
97%
55071
88%
**50
100%
Somchem S385
<<locked>>
97%
50836
82%
**18
97%
Vihtavuori N133
<<locked>>
85%
56014
90%
**46
100%
Vihtavuori N135
<<locked>>
90%
55608
89%
**95
100%
Vihtavuori N140
<<locked>>
85%
55840
90%
**05
100%
Vihtavuori N150
<<locked>>
94%
55753
89%
**35
100%
Vihtavuori N160
<<locked>>
92%
56057
90%
**00
100%
[Vihtavuori N165]*
<<locked>>
97%
42293
68%
**38
94%
Vihtavuori N540
<<locked>>
85%
56086
90%
**35
100%
Vihtavuori N550 👍
<<locked>>
92%
55753
89%
**36
100%
Vihtavuori N555
<<locked>>
97%
47036
75%
**22
99%
[Vihtavuori N560]*
<<locked>>
97%
45353
73%
**02
92%
Winchester 6.5 StaBALL
<<locked>>
93%
55941
90%
**64
100%
Winchester 760
<<locked>>
90%
55550
89%
**43
98%
Winchester StaBALL HD
<<locked>>
97%
35650
57%
**59
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44933
72%
**71
99%
[ADI AR 2209]*
<<locked>>
86%
36680
59%
**33
90%
[ADI AR 2213]*
<<locked>>
94%
41640
67%
**67
90%
[Accurate 2700]*
<<locked>>
81%
43120
69%
**79
94%
[Accurate 3100]*
<<locked>>
84%
28631
46%
**16
90%
Accurate 4064
<<locked>>
81%
47195
76%
**10
100%
Accurate 4350
<<locked>>
81%
35549
57%
**33
96%
Alliant Power Pro 2000-MR
<<locked>>
81%
49182
79%
**91
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
44976
72%
**90
100%
Alliant Reloder-15
<<locked>>
81%
48327
77%
**72
99%
Alliant Reloder-16
<<locked>>
81%
34998
56%
**40
96%
Alliant Reloder-17
<<locked>>
81%
39726
64%
**84
99%
[Alliant Reloder-19]*
<<locked>>
86%
36143
58%
**26
90%
[Alliant Reloder-22]*
<<locked>>
90%
35897
58%
**66
90%
[Alliant Reloder-23]*
<<locked>>
81%
25585
41%
**57
92%
[Alliant Reloder-25]*
<<locked>>
90%
29675
48%
**89
90%
[Alliant Reloder-26]*
<<locked>>
82%
27760
45%
**79
90%
[Bofors RP15]*
<<locked>>
93%
36956
59%
**92
90%
Bofors RP3
<<locked>>
81%
45266
73%
**07
100%
[Bofors RP5]*
<<locked>>
90%
35897
58%
**66
90%
[Bofors RP7]*
<<locked>>
81%
40306
65%
**62
94%
Hodgdon CFE223
<<locked>>
81%
47268
76%
**82
99%
Hodgdon H380
<<locked>>
81%
46137
74%
**20
98%
Hodgdon H414
<<locked>>
81%
41104
66%
**61
95%
[Hodgdon H4350]*
<<locked>>
81%
33968
54%
**25
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
42511
68%
**54
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32547
52%
**28
97%
Hodgdon LVR
<<locked>>
81%
38609
62%
**92
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36941
59%
**82
92%
Hodgdon VARGET
<<locked>>
81%
44759
72%
**71
99%
Hodgdon TrailBoss
<<locked>>
81%
27311
44%
**42
100%
IMR 3031
<<locked>>
81%
49603
80%
**69
100%
IMR 4064
<<locked>>
81%
44164
71%
**51
99%
IMR 4166 Enduron
<<locked>>
81%
43569
70%
**12
96%
[IMR 4350]*
<<locked>>
81%
35853
57%
**74
92%
IMR 4451 Enduron
<<locked>>
81%
41655
67%
**89
95%
[IMR 4831]*
<<locked>>
81%
31140
50%
**89
94%
IMR 4895
<<locked>>
81%
49632
80%
**99
100%
[IMR 4955 Enduron]*
<<locked>>
92%
41075
66%
**89
90%
[IMR 7828 SSC]*
<<locked>>
93%
41220
66%
**81
90%
Lovex S060
<<locked>>
81%
52069
83%
**63
100%
Lovex S062
<<locked>>
81%
47384
76%
**13
100%
Lovex S065
<<locked>>
81%
39015
63%
**36
96%
[Lovex S070]*
<<locked>>
81%
37318
60%
**17
94%
[Lovex S071]*
<<locked>>
89%
28631
46%
**16
90%
Norma 201
<<locked>>
81%
51793
83%
**82
100%
Norma 202
<<locked>>
81%
52373
84%
**79
100%
Norma 203B
<<locked>>
81%
47834
77%
**59
100%
[Norma 204]*
<<locked>>
82%
36608
59%
**23
90%
[Norma MRP]*
<<locked>>
86%
33098
53%
**10
90%
Norma URP
<<locked>>
81%
35665
57%
**33
96%
Ramshot Big Game
<<locked>>
81%
48037
77%
**72
100%
[Ramshot Grand]*
<<locked>>
91%
40669
65%
**74
90%
[Ramshot Hunter]*
<<locked>>
81%
34664
56%
**03
93%
[Ramshot Magnum]*
<<locked>>
91%
35520
57%
**30
90%
ReloadSwiss RS 14
<<locked>>
81%
27862
45%
**85
100%
ReloadSwiss RS 50
<<locked>>
81%
46166
74%
**97
97%
ReloadSwiss RS 60
<<locked>>
81%
42221
68%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
35259
57%
**36
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34722
56%
**46
94%
Rottweil R 902
<<locked>>
81%
49545
79%
**27
100%
Rottweil R 903
<<locked>>
81%
42757
69%
**44
99%
[Rottweil R 904]*
<<locked>>
87%
39508
63%
**66
90%
[Rottweil R 905]*
<<locked>>
87%
35389
57%
**20
90%
[Rottweil R 907]*
<<locked>>
81%
40306
65%
**62
94%
SNPE Vectan SP 11
<<locked>>
81%
43830
70%
**97
99%
SNPE Vectan SP 9
<<locked>>
81%
51387
82%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44353
71%
**69
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38406
62%
**77
94%
Shooters World Long Rifle
<<locked>>
81%
39015
63%
**36
96%
Shooters World Precision
<<locked>>
81%
47384
76%
**13
100%
Somchem S335
<<locked>>
81%
52359
84%
**10
100%
Somchem S355
<<locked>>
81%
43091
69%
**48
99%
[Somchem S361]*
<<locked>>
89%
41887
67%
**76
90%
Somchem S365
<<locked>>
81%
32082
51%
**84
98%
[Somchem S385]*
<<locked>>
84%
32735
52%
**15
90%
Vihtavuori N133
<<locked>>
81%
49821
80%
**54
100%
Vihtavuori N135
<<locked>>
81%
41843
67%
**72
100%
Vihtavuori N140
<<locked>>
81%
48979
79%
**97
100%
Vihtavuori N150
<<locked>>
81%
36825
59%
**87
99%
Vihtavuori N160
<<locked>>
81%
38479
62%
**62
97%
[Vihtavuori N165]*
<<locked>>
90%
34185
55%
**48
90%
Vihtavuori N540
<<locked>>
81%
48660
78%
**23
100%
Vihtavuori N550
<<locked>>
81%
39262
63%
**08
97%
[Vihtavuori N555]*
<<locked>>
81%
27702
44%
**46
93%
[Vihtavuori N560]*
<<locked>>
94%
41872
67%
**23
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36651
59%
**03
98%
Winchester 760
<<locked>>
81%
41104
66%
**61
95%
[Winchester StaBALL HD]*
<<locked>>
83%
24381
39%
**61
90%

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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