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

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, IMR 4831, Vihtavuori N555, Winchester StaBALL HD

.300 Norma Mag + .308 | 150gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer TBBC
Manufacturer SKU:
1759
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.100" | 27.9mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.468" | 88.1mm
Seated Depth:
0.122" | 3.1mm
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_B6154_C365
Last updated:
2025-01-01

Load data for 138 loads in caliber .300 Norma Mag with .308 | 150gr | Speer TBBC bullet and 69 powders such as Alliant Reloder-23, Alliant Reloder-26, IMR 4831, 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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    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 2209
<<locked>>
93%
57421
90%
**61
99%
ADI AR 2213
<<locked>>
96%
57145
90%
**87
98%
[ADI AR 2217]*
<<locked>>
97%
42438
66%
**59
93%
ADI AR 2225
<<locked>>
97%
38043
60%
**17
95%
Accurate 2700
<<locked>>
84%
56884
89%
**14
99%
Accurate 3100
<<locked>>
96%
57058
89%
**82
100%
Accurate 4350
<<locked>>
88%
57363
90%
**19
100%
Accurate MAGPRO
<<locked>>
96%
57029
89%
**81
96%
Alliant Reloder-16
<<locked>>
89%
57072
89%
**61
100%
Alliant Reloder-17
<<locked>>
84%
57217
90%
**58
100%
Alliant Reloder-19
<<locked>>
93%
57421
90%
**41
98%
Alliant Reloder-22
<<locked>>
96%
57043
89%
**81
99%
Alliant Reloder-23 👍
<<locked>>
97%
55216
87%
**12
100%
Alliant Reloder-25
<<locked>>
97%
47790
75%
**43
100%
Alliant Reloder-26 👍
<<locked>>
94%
57334
90%
**27
100%
[Hodgdon H1000]*
<<locked>>
97%
42438
66%
**59
93%
Hodgdon H414
<<locked>>
84%
57174
90%
**35
99%
Hodgdon H4350
<<locked>>
91%
57406
90%
**86
99%
Hodgdon H4831
<<locked>>
97%
53795
84%
**66
96%
Hodgdon H4831 SC
<<locked>>
95%
57232
90%
**22
97%
Hodgdon Hybrid 100V
<<locked>>
91%
57072
89%
**73
100%
Hodgdon LVR
<<locked>>
86%
57072
89%
**22
100%
Hodgdon Retumbo
<<locked>>
97%
38043
60%
**17
95%
Hodgdon Superperformance
<<locked>>
86%
57421
90%
**74
99%
Hodgdon VARGET
<<locked>>
83%
56826
89%
**59
100%
Hodgdon TrailBoss
<<locked>>
97%
35375
55%
**14
100%
IMR 4064
<<locked>>
83%
57029
89%
**46
100%
IMR 4166 Enduron
<<locked>>
84%
57203
90%
**56
99%
IMR 4350
<<locked>>
89%
57058
89%
**86
99%
IMR 4451 Enduron
<<locked>>
85%
57116
89%
**76
99%
IMR 4831 👍
<<locked>>
93%
57101
89%
**02
100%
IMR 4955 Enduron
<<locked>>
96%
57377
90%
**96
97%
IMR 7828 SSC
<<locked>>
95%
57188
90%
**91
97%
Lovex S065
<<locked>>
87%
57261
90%
**66
100%
Lovex S070
<<locked>>
88%
57130
90%
**79
99%
Lovex S071
<<locked>>
97%
48907
77%
**45
99%
Norma 204
<<locked>>
89%
57087
89%
**25
98%
[Norma 217]*
<<locked>>
97%
33895
53%
**22
92%
Norma MRP
<<locked>>
94%
56942
89%
**07
99%
Norma URP
<<locked>>
88%
57043
89%
**25
100%
Ramshot Hunter
<<locked>>
89%
56956
89%
**41
100%
Ramshot Magnum
<<locked>>
97%
57058
89%
**58
99%
ReloadSwiss RS 14
<<locked>>
96%
35969
56%
**54
100%
ReloadSwiss RS 60
<<locked>>
85%
56956
89%
**78
100%
ReloadSwiss RS 62
<<locked>>
88%
57334
90%
**35
100%
ReloadSwiss RS 70
<<locked>>
88%
57276
90%
**87
100%
ReloadSwiss RS 76
<<locked>>
97%
47282
74%
**86
99%
Rottweil R 903
<<locked>>
83%
57217
90%
**59
100%
Rottweil R 904
<<locked>>
92%
57072
89%
**92
97%
Rottweil R 905
<<locked>>
94%
56811
89%
**38
99%
Rottweil R 907
<<locked>>
86%
56985
89%
**73
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
56956
89%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57130
90%
**17
99%
Shooters World Long Rifle
<<locked>>
87%
57261
90%
**66
100%
Somchem S355
<<locked>>
84%
57217
90%
**69
100%
Somchem S361
<<locked>>
91%
57232
90%
**50
97%
Somchem S365
<<locked>>
90%
57058
89%
**19
100%
Somchem S385
<<locked>>
93%
57101
89%
**02
99%
Vihtavuori N135
<<locked>>
85%
56840
89%
**71
100%
Vihtavuori N150
<<locked>>
88%
56710
89%
**17
100%
Vihtavuori N160
<<locked>>
86%
57290
90%
**76
100%
Vihtavuori N165
<<locked>>
97%
53461
84%
**30
98%
Vihtavuori N550
<<locked>>
86%
57392
90%
**28
100%
Vihtavuori N555 👍
<<locked>>
95%
57276
90%
**45
100%
Vihtavuori N560
<<locked>>
96%
57145
90%
**97
97%
Vihtavuori N565
<<locked>>
97%
50256
79%
**46
96%
Winchester 6.5 StaBALL
<<locked>>
87%
57159
90%
**40
100%
Winchester 760
<<locked>>
84%
57174
90%
**35
99%
Winchester StaBALL HD 👍
<<locked>>
97%
52475
82%
**01
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
38029
60%
**44
93%
[ADI AR 2213]*
<<locked>>
83%
36666
57%
**22
90%
[ADI AR 2217]*
<<locked>>
92%
36419
57%
**08
90%
[ADI AR 2225]*
<<locked>>
90%
30821
48%
**84
90%
Accurate 2700
<<locked>>
81%
52402
82%
**45
98%
Accurate 3100
<<locked>>
81%
34055
53%
**03
95%
Accurate 4350
<<locked>>
81%
45716
72%
**15
99%
[Accurate MAGPRO]*
<<locked>>
87%
40828
64%
**43
90%
Alliant Reloder-16
<<locked>>
81%
43540
68%
**12
99%
Alliant Reloder-17
<<locked>>
81%
50444
79%
**46
100%
[Alliant Reloder-19]*
<<locked>>
81%
38029
60%
**38
93%
[Alliant Reloder-22]*
<<locked>>
81%
33779
53%
**62
91%
Alliant Reloder-23
<<locked>>
81%
32445
51%
**36
98%
[Alliant Reloder-25]*
<<locked>>
81%
28442
45%
**08
92%
Alliant Reloder-26
<<locked>>
81%
35578
56%
**77
97%
[Hodgdon H1000]*
<<locked>>
92%
36419
57%
**08
90%
Hodgdon H414
<<locked>>
81%
51358
80%
**40
99%
Hodgdon H4350
<<locked>>
81%
41814
66%
**81
96%
[Hodgdon H4831]*
<<locked>>
85%
37086
58%
**99
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
37188
58%
**95
90%
Hodgdon Hybrid 100V
<<locked>>
81%
41176
65%
**94
100%
Hodgdon LVR
<<locked>>
81%
47993
75%
**54
99%
[Hodgdon Retumbo]*
<<locked>>
90%
30821
48%
**84
90%
Hodgdon Superperformance
<<locked>>
81%
47094
74%
**84
98%
Hodgdon VARGET
<<locked>>
81%
53461
84%
**04
100%
Hodgdon TrailBoss
<<locked>>
81%
28152
44%
**47
100%
IMR 4064
<<locked>>
81%
53113
83%
**91
100%
IMR 4166 Enduron
<<locked>>
81%
51503
81%
**54
99%
IMR 4350
<<locked>>
81%
43918
69%
**30
97%
IMR 4451 Enduron
<<locked>>
81%
49922
78%
**45
98%
IMR 4831
<<locked>>
81%
39305
62%
**58
98%
[IMR 4955 Enduron]*
<<locked>>
81%
36143
57%
**40
90%
[IMR 7828 SSC]*
<<locked>>
82%
36260
57%
**31
90%
Lovex S065
<<locked>>
81%
47558
75%
**89
99%
Lovex S070
<<locked>>
81%
45934
72%
**69
98%
[Lovex S071]*
<<locked>>
81%
29153
46%
**72
92%
Norma 204
<<locked>>
81%
43932
69%
**69
95%
[Norma 217]*
<<locked>>
94%
30792
48%
**23
90%
[Norma MRP]*
<<locked>>
81%
35418
55%
**38
94%
Norma URP
<<locked>>
81%
44831
70%
**89
99%
Ramshot Hunter
<<locked>>
81%
43627
68%
**86
98%
[Ramshot Magnum]*
<<locked>>
81%
31473
49%
**80
90%
ReloadSwiss RS 14
<<locked>>
81%
28718
45%
**90
100%
ReloadSwiss RS 60
<<locked>>
81%
48718
76%
**40
100%
ReloadSwiss RS 62
<<locked>>
81%
45774
72%
**28
99%
ReloadSwiss RS 70
<<locked>>
81%
43714
69%
**41
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30879
48%
**17
90%
Rottweil R 903
<<locked>>
81%
53011
83%
**00
100%
[Rottweil R 904]*
<<locked>>
81%
39581
62%
**38
92%
[Rottweil R 905]*
<<locked>>
81%
37391
59%
**35
93%
Rottweil R 907
<<locked>>
81%
48704
76%
**12
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
52808
83%
**66
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46630
73%
**30
98%
Shooters World Long Rifle
<<locked>>
81%
47558
75%
**89
99%
Somchem S355
<<locked>>
81%
52562
82%
**94
100%
[Somchem S361]*
<<locked>>
81%
40335
63%
**15
92%
Somchem S365
<<locked>>
81%
41539
65%
**46
100%
[Somchem S385]*
<<locked>>
81%
37898
59%
**05
94%
Vihtavuori N135
<<locked>>
81%
50966
80%
**76
100%
Vihtavuori N150
<<locked>>
81%
45295
71%
**20
100%
Vihtavuori N160
<<locked>>
81%
48182
75%
**28
100%
[Vihtavuori N165]*
<<locked>>
81%
31952
50%
**44
91%
Vihtavuori N550
<<locked>>
81%
48834
77%
**71
100%
Vihtavuori N555
<<locked>>
81%
36303
57%
**25
98%
[Vihtavuori N560]*
<<locked>>
84%
37173
58%
**67
90%
[Vihtavuori N565]*
<<locked>>
87%
36201
57%
**25
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45571
71%
**53
100%
Winchester 760
<<locked>>
81%
51358
80%
**40
99%
Winchester StaBALL HD
<<locked>>
81%
27572
43%
**20
97%

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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