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Load data for .300 Norma Mag + .308 | 150gr | Speer BT FMJ

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Norma Mag + .308 | 150gr | Speer BT FMJ

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer BT FMJ
Manufacturer SKU:
2018
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.170" | 29.7mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.361" | 85.4mm
Seated Depth:
0.299" | 7.6mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6146_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:11

Load data for 142 loads in caliber .300 Norma Mag with .308 | 150gr | Speer BT FMJ bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
84%
57014
89%
**56
100%
ADI AR 2209
<<locked>>
94%
57363
90%
**58
98%
ADI AR 2213
<<locked>>
97%
56463
88%
**71
97%
[ADI AR 2217]*
<<locked>>
97%
40814
64%
**20
92%
[ADI AR 2225]*
<<locked>>
97%
36477
57%
**58
94%
Accurate 2700
<<locked>>
85%
57043
89%
**20
99%
Accurate 3100
<<locked>>
97%
55825
87%
**63
100%
Accurate 4350
<<locked>>
89%
57174
90%
**12
100%
Accurate MAGPRO
<<locked>>
97%
55245
87%
**58
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
56826
89%
**66
100%
Alliant Reloder-16
<<locked>>
90%
57217
90%
**71
100%
Alliant Reloder-17
<<locked>>
86%
56985
89%
**58
100%
Alliant Reloder-19
<<locked>>
94%
57087
89%
**45
98%
Alliant Reloder-22
<<locked>>
97%
55912
88%
**58
98%
Alliant Reloder-23
<<locked>>
97%
53156
83%
**82
100%
Alliant Reloder-25
<<locked>>
97%
45498
71%
**94
99%
Alliant Reloder-26 👍
<<locked>>
95%
57145
90%
**27
100%
[Hodgdon H1000]*
<<locked>>
97%
40814
64%
**20
92%
Hodgdon H414
<<locked>>
85%
57363
90%
**41
99%
Hodgdon H4350
<<locked>>
92%
57232
90%
**89
99%
Hodgdon H4831
<<locked>>
97%
51590
81%
**23
95%
Hodgdon H4831 SC
<<locked>>
96%
57261
90%
**19
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57377
90%
**76
100%
Hodgdon LVR
<<locked>>
87%
57145
90%
**25
100%
[Hodgdon Retumbo]*
<<locked>>
97%
36477
57%
**58
94%
Hodgdon Superperformance
<<locked>>
87%
57246
90%
**71
99%
Hodgdon VARGET
<<locked>>
84%
57159
90%
**66
100%
Hodgdon TrailBoss
<<locked>>
97%
35273
55%
**01
100%
IMR 4064
<<locked>>
85%
57319
90%
**53
100%
IMR 4166 Enduron
<<locked>>
85%
57043
89%
**53
99%
IMR 4350
<<locked>>
90%
57000
89%
**79
99%
IMR 4451 Enduron
<<locked>>
86%
57188
90%
**79
99%
IMR 4831 👍
<<locked>>
94%
56884
89%
**99
100%
IMR 4955 Enduron
<<locked>>
97%
57319
90%
**86
97%
IMR 7828 SSC
<<locked>>
96%
56927
89%
**97
97%
Lovex S065
<<locked>>
88%
57130
90%
**69
100%
Lovex S070
<<locked>>
89%
57377
90%
**89
99%
Lovex S071
<<locked>>
97%
46499
73%
**02
99%
Norma 204
<<locked>>
90%
56724
89%
**12
98%
Norma MRP
<<locked>>
96%
56884
89%
**01
99%
Norma URP
<<locked>>
90%
57188
90%
**19
100%
Ramshot Hunter 👍
<<locked>>
90%
57246
90%
**38
100%
Ramshot Magnum
<<locked>>
97%
54737
86%
**15
99%
ReloadSwiss RS 14
<<locked>>
97%
36013
56%
**54
100%
ReloadSwiss RS 60
<<locked>>
87%
57043
89%
**84
100%
ReloadSwiss RS 62
<<locked>>
89%
57188
90%
**35
100%
ReloadSwiss RS 70
<<locked>>
90%
57334
90%
**97
100%
ReloadSwiss RS 76
<<locked>>
97%
44831
70%
**17
98%
Rottweil R 903
<<locked>>
84%
56971
89%
**59
100%
Rottweil R 904
<<locked>>
93%
57174
90%
**89
97%
Rottweil R 905
<<locked>>
95%
56782
89%
**41
98%
Rottweil R 907
<<locked>>
87%
57159
90%
**76
99%
SNPE Vectan SP 11
<<locked>>
84%
57203
90%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57363
90%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57392
90%
**23
99%
Shooters World Long Rifle
<<locked>>
88%
57130
90%
**69
100%
Somchem S355
<<locked>>
84%
56782
89%
**56
100%
Somchem S361
<<locked>>
92%
57377
90%
**59
97%
Somchem S365
<<locked>>
92%
57232
90%
**25
100%
Somchem S385
<<locked>>
94%
56724
89%
**92
99%
Vihtavuori N135
<<locked>>
86%
57072
89%
**77
100%
Vihtavuori N150
<<locked>>
90%
57101
89%
**17
100%
Vihtavuori N160
<<locked>>
87%
56884
89%
**73
100%
Vihtavuori N165
<<locked>>
97%
51445
81%
**87
98%
Vihtavuori N550
<<locked>>
87%
56826
89%
**22
100%
Vihtavuori N555 👍
<<locked>>
96%
57029
89%
**35
100%
Vihtavuori N560
<<locked>>
97%
56043
88%
**78
97%
Vihtavuori N565
<<locked>>
97%
47776
75%
**04
95%
Winchester 6.5 StaBALL
<<locked>>
89%
57159
90%
**40
100%
Winchester 760
<<locked>>
85%
57363
90%
**41
99%
Winchester StaBALL HD 👍
<<locked>>
97%
49081
77%
**45
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52199
82%
**74
100%
[ADI AR 2209]*
<<locked>>
81%
36709
58%
**08
92%
[ADI AR 2213]*
<<locked>>
85%
36927
58%
**38
90%
[ADI AR 2217]*
<<locked>>
94%
37173
58%
**22
90%
[ADI AR 2225]*
<<locked>>
92%
30951
49%
**94
90%
Accurate 2700
<<locked>>
81%
50560
79%
**99
98%
[Accurate 3100]*
<<locked>>
81%
32329
51%
**67
94%
Accurate 4350
<<locked>>
81%
43714
68%
**66
99%
[Accurate MAGPRO]*
<<locked>>
89%
41075
64%
**59
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53098
83%
**97
100%
Alliant Reloder-16
<<locked>>
81%
42032
66%
**76
99%
Alliant Reloder-17
<<locked>>
81%
48515
76%
**14
100%
[Alliant Reloder-19]*
<<locked>>
81%
36579
57%
**02
92%
[Alliant Reloder-22]*
<<locked>>
81%
32314
51%
**23
90%
Alliant Reloder-23
<<locked>>
81%
31024
49%
**00
97%
[Alliant Reloder-25]*
<<locked>>
81%
27296
43%
**72
90%
Alliant Reloder-26
<<locked>>
81%
33663
53%
**22
96%
[Hodgdon H1000]*
<<locked>>
94%
37173
58%
**22
90%
Hodgdon H414
<<locked>>
81%
49617
78%
**04
98%
Hodgdon H4350
<<locked>>
81%
40393
63%
**54
95%
[Hodgdon H4831]*
<<locked>>
87%
37420
59%
**08
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
37420
59%
**08
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39668
62%
**58
99%
Hodgdon LVR
<<locked>>
81%
46253
72%
**25
99%
[Hodgdon Retumbo]*
<<locked>>
92%
30951
49%
**94
90%
Hodgdon Superperformance
<<locked>>
81%
44860
70%
**35
97%
Hodgdon VARGET
<<locked>>
81%
51938
81%
**74
100%
Hodgdon TrailBoss
<<locked>>
81%
27876
44%
**31
100%
IMR 4064
<<locked>>
81%
51343
80%
**54
100%
IMR 4166 Enduron
<<locked>>
81%
50169
79%
**22
98%
IMR 4350
<<locked>>
81%
42511
67%
**97
96%
IMR 4451 Enduron
<<locked>>
81%
48573
76%
**15
98%
IMR 4831
<<locked>>
81%
37840
59%
**18
98%
[IMR 4955 Enduron]*
<<locked>>
83%
36738
58%
**46
90%
[IMR 7828 SSC]*
<<locked>>
84%
36941
58%
**51
90%
Lovex S065
<<locked>>
81%
46021
72%
**53
99%
Lovex S070
<<locked>>
81%
44179
69%
**36
97%
[Lovex S071]*
<<locked>>
81%
27673
43%
**26
91%
[Norma 204]*
<<locked>>
81%
42308
66%
**27
94%
[Norma MRP]*
<<locked>>
81%
33736
53%
**89
93%
Norma URP
<<locked>>
81%
43091
68%
**56
99%
Ramshot Hunter
<<locked>>
81%
42090
66%
**46
97%
[Ramshot Magnum]*
<<locked>>
82%
31386
49%
**74
90%
ReloadSwiss RS 14
<<locked>>
81%
28601
45%
**80
100%
ReloadSwiss RS 60
<<locked>>
81%
46731
73%
**14
100%
ReloadSwiss RS 62
<<locked>>
81%
43627
68%
**82
99%
ReloadSwiss RS 70
<<locked>>
81%
42148
66%
**02
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
31662
50%
**40
90%
Rottweil R 903
<<locked>>
81%
50937
80%
**58
100%
[Rottweil R 904]*
<<locked>>
81%
38218
60%
**99
92%
[Rottweil R 905]*
<<locked>>
81%
35839
56%
**89
92%
Rottweil R 907
<<locked>>
81%
47036
74%
**79
97%
SNPE Vectan SP 11
<<locked>>
81%
52272
82%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51314
80%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45092
71%
**00
97%
Shooters World Long Rifle
<<locked>>
81%
46021
72%
**53
99%
Somchem S355
<<locked>>
81%
50995
80%
**64
100%
[Somchem S361]*
<<locked>>
81%
38914
61%
**89
91%
Somchem S365
<<locked>>
81%
39726
62%
**07
100%
[Somchem S385]*
<<locked>>
81%
36332
57%
**69
94%
Vihtavuori N135
<<locked>>
81%
49226
77%
**53
100%
Vihtavuori N150
<<locked>>
81%
43627
68%
**84
100%
Vihtavuori N160
<<locked>>
81%
46398
73%
**89
99%
[Vihtavuori N165]*
<<locked>>
81%
30821
48%
**15
90%
Vihtavuori N550
<<locked>>
81%
47166
74%
**45
99%
Vihtavuori N555
<<locked>>
81%
34853
55%
**85
97%
[Vihtavuori N560]*
<<locked>>
85%
37405
59%
**74
90%
[Vihtavuori N565]*
<<locked>>
89%
36245
57%
**35
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43845
69%
**27
100%
Winchester 760
<<locked>>
81%
49617
78%
**04
98%
Winchester StaBALL HD
<<locked>>
81%
25759
40%
**71
96%

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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