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Load data for .300 Norma Mag + .308 | 156gr | Berger Fullbore THP

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

.300 Norma Mag + .308 | 156gr | Berger Fullbore THP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 156gr | Berger Fullbore THP
Manufacturer SKU:
30416
Bullet Weight:
156gr | 10.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.226" | 31.1mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.414" | 86.7mm
Seated Depth:
0.302" | 7.7mm
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_B1067_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 140 loads in caliber .300 Norma Mag with .308 | 156gr | Berger Fullbore THP bullet and 70 powders such as Alliant Reloder-23, Alliant Reloder-26, Somchem S385, 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>>
83%
57145
90%
**07
100%
ADI AR 2209
<<locked>>
94%
57406
90%
**09
99%
ADI AR 2213
<<locked>>
96%
56855
89%
**25
98%
[ADI AR 2217]*
<<locked>>
97%
41974
66%
**07
93%
ADI AR 2225
<<locked>>
97%
37478
59%
**51
95%
Accurate 2700
<<locked>>
84%
57261
90%
**68
99%
Accurate 3100
<<locked>>
97%
57174
90%
**43
100%
Accurate 4350
<<locked>>
88%
57000
89%
**56
100%
Accurate MAGPRO
<<locked>>
97%
57217
90%
**45
96%
Alliant Reloder-16
<<locked>>
89%
56797
89%
**09
100%
Alliant Reloder-17
<<locked>>
85%
57363
90%
**09
100%
Alliant Reloder-19
<<locked>>
94%
56869
89%
**82
99%
Alliant Reloder-22
<<locked>>
97%
57319
90%
**28
99%
Alliant Reloder-23 👍
<<locked>>
97%
54694
86%
**53
100%
Alliant Reloder-25
<<locked>>
97%
47311
74%
**91
100%
Alliant Reloder-26 👍
<<locked>>
94%
57392
90%
**81
100%
[Hodgdon H1000]*
<<locked>>
97%
41974
66%
**07
93%
Hodgdon H414
<<locked>>
84%
57348
90%
**89
100%
Hodgdon H4350
<<locked>>
91%
57290
90%
**40
99%
Hodgdon H4831
<<locked>>
97%
52881
83%
**87
96%
Hodgdon H4831 SC
<<locked>>
95%
57014
89%
**59
97%
Hodgdon Hybrid 100V
<<locked>>
91%
56869
89%
**23
100%
Hodgdon LVR
<<locked>>
86%
56927
89%
**59
100%
Hodgdon Retumbo
<<locked>>
97%
37478
59%
**51
95%
Hodgdon Superperformance
<<locked>>
87%
57116
90%
**12
99%
Hodgdon VARGET
<<locked>>
83%
57145
90%
**07
100%
Hodgdon TrailBoss
<<locked>>
96%
34983
55%
**59
100%
IMR 4064
<<locked>>
84%
57276
90%
**07
100%
IMR 4166 Enduron
<<locked>>
85%
57130
90%
**94
99%
IMR 4350
<<locked>>
89%
56927
89%
**27
99%
IMR 4451 Enduron
<<locked>>
85%
56985
89%
**23
99%
IMR 4831
<<locked>>
93%
57276
90%
**43
100%
IMR 4955 Enduron
<<locked>>
96%
57000
89%
**27
97%
IMR 7828 SSC
<<locked>>
96%
56942
89%
**41
98%
Lovex S065
<<locked>>
87%
56898
89%
**10
100%
Lovex S070
<<locked>>
88%
57043
89%
**33
100%
Lovex S071
<<locked>>
97%
47921
75%
**79
99%
Norma 204
<<locked>>
89%
56855
89%
**63
98%
[Norma 217]*
<<locked>>
97%
33228
52%
**62
92%
Norma MRP
<<locked>>
95%
56855
89%
**58
100%
Norma URP
<<locked>>
89%
56840
89%
**63
100%
Ramshot Hunter
<<locked>>
89%
57305
90%
**89
100%
Ramshot Magnum
<<locked>>
97%
56521
89%
**02
99%
ReloadSwiss RS 14
<<locked>>
97%
36071
57%
**11
100%
ReloadSwiss RS 60
<<locked>>
86%
57174
90%
**28
100%
ReloadSwiss RS 62
<<locked>>
88%
57101
89%
**86
100%
ReloadSwiss RS 70
<<locked>>
89%
57043
89%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
46224
72%
**14
98%
Rottweil R 903
<<locked>>
84%
57159
90%
**07
100%
Rottweil R 904
<<locked>>
93%
57116
90%
**40
98%
Rottweil R 905
<<locked>>
94%
57130
90%
**82
99%
Rottweil R 907
<<locked>>
87%
57334
90%
**17
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
57377
90%
**86
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57000
89%
**71
100%
Shooters World Long Rifle
<<locked>>
87%
56898
89%
**10
100%
Somchem S355
<<locked>>
84%
57392
90%
**07
100%
Somchem S361
<<locked>>
92%
57406
90%
**00
97%
Somchem S365
<<locked>>
91%
56826
89%
**59
100%
Somchem S385 👍
<<locked>>
94%
57203
90%
**56
99%
Vihtavuori N135
<<locked>>
85%
57130
90%
**22
100%
Vihtavuori N150
<<locked>>
89%
57305
90%
**68
100%
Vihtavuori N160
<<locked>>
86%
57246
90%
**30
100%
Vihtavuori N165
<<locked>>
97%
53214
83%
**68
98%
Vihtavuori N550
<<locked>>
86%
56739
89%
**66
100%
Vihtavuori N555 👍
<<locked>>
95%
57276
90%
**96
100%
Vihtavuori N560
<<locked>>
97%
57043
89%
**48
97%
Vihtavuori N565
<<locked>>
97%
49385
77%
**87
96%
Winchester 6.5 StaBALL
<<locked>>
88%
57232
90%
**91
100%
Winchester 760
<<locked>>
84%
57348
90%
**89
100%
Winchester StaBALL HD 👍
<<locked>>
97%
51097
80%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53505
84%
**45
100%
[ADI AR 2209]*
<<locked>>
81%
37724
59%
**89
93%
[ADI AR 2213]*
<<locked>>
83%
35578
56%
**53
90%
[ADI AR 2217]*
<<locked>>
92%
35447
56%
**40
90%
[ADI AR 2225]*
<<locked>>
90%
29776
47%
**12
90%
Accurate 2700
<<locked>>
81%
51909
81%
**79
98%
Accurate 3100
<<locked>>
81%
33431
52%
**51
95%
Accurate 4350
<<locked>>
81%
45092
71%
**49
99%
[Accurate MAGPRO]*
<<locked>>
87%
40059
63%
**84
90%
Alliant Reloder-16
<<locked>>
81%
42989
67%
**56
100%
Alliant Reloder-17
<<locked>>
81%
49908
78%
**84
100%
[Alliant Reloder-19]*
<<locked>>
81%
37637
59%
**92
93%
[Alliant Reloder-22]*
<<locked>>
81%
33446
52%
**10
91%
Alliant Reloder-23
<<locked>>
81%
31995
50%
**84
98%
[Alliant Reloder-25]*
<<locked>>
81%
27934
44%
**56
92%
Alliant Reloder-26
<<locked>>
81%
35027
55%
**15
97%
[Hodgdon H1000]*
<<locked>>
92%
35447
56%
**40
90%
Hodgdon H414
<<locked>>
81%
50894
80%
**77
99%
Hodgdon H4350
<<locked>>
81%
41220
65%
**25
96%
[Hodgdon H4831]*
<<locked>>
85%
36260
57%
**26
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
36361
57%
**40
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40596
64%
**25
100%
Hodgdon LVR
<<locked>>
81%
47659
75%
**95
99%
[Hodgdon Retumbo]*
<<locked>>
90%
29776
47%
**12
90%
Hodgdon Superperformance
<<locked>>
81%
46470
73%
**18
98%
Hodgdon VARGET
<<locked>>
81%
52953
83%
**35
100%
Hodgdon TrailBoss
<<locked>>
81%
28065
44%
**01
100%
IMR 4064
<<locked>>
81%
52475
82%
**18
100%
IMR 4166 Enduron
<<locked>>
81%
51372
80%
**99
99%
IMR 4350
<<locked>>
81%
43381
68%
**67
97%
IMR 4451 Enduron
<<locked>>
81%
49559
78%
**82
98%
IMR 4831
<<locked>>
81%
39073
61%
**05
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35679
56%
**77
90%
[IMR 7828 SSC]*
<<locked>>
82%
35505
56%
**62
90%
Lovex S065
<<locked>>
81%
46891
73%
**30
99%
Lovex S070
<<locked>>
81%
45324
71%
**17
98%
[Lovex S071]*
<<locked>>
81%
28718
45%
**13
92%
Norma 204
<<locked>>
81%
43279
68%
**00
95%
[Norma 217]*
<<locked>>
94%
30356
48%
**71
90%
[Norma MRP]*
<<locked>>
81%
34882
55%
**85
94%
Norma URP
<<locked>>
81%
44338
69%
**40
99%
Ramshot Hunter
<<locked>>
81%
43105
68%
**20
98%
[Ramshot Magnum]*
<<locked>>
81%
30734
48%
**15
90%
ReloadSwiss RS 14
<<locked>>
81%
28660
45%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
47935
75%
**81
100%
ReloadSwiss RS 62
<<locked>>
81%
45020
71%
**69
99%
ReloadSwiss RS 70
<<locked>>
81%
43323
68%
**82
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30429
48%
**54
90%
Rottweil R 903
<<locked>>
81%
52301
82%
**35
100%
[Rottweil R 904]*
<<locked>>
81%
39015
61%
**72
92%
[Rottweil R 905]*
<<locked>>
81%
36840
58%
**69
93%
Rottweil R 907
<<locked>>
81%
48051
75%
**56
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
52591
82%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46166
72%
**71
98%
Shooters World Long Rifle
<<locked>>
81%
46891
73%
**30
99%
Somchem S355
<<locked>>
81%
51967
81%
**25
100%
[Somchem S361]*
<<locked>>
81%
39885
62%
**69
92%
Somchem S365
<<locked>>
81%
40930
64%
**81
100%
Somchem S385
<<locked>>
81%
37550
59%
**62
95%
Vihtavuori N135
<<locked>>
81%
50546
79%
**20
100%
Vihtavuori N150
<<locked>>
81%
44846
70%
**61
100%
Vihtavuori N160
<<locked>>
81%
47819
75%
**69
100%
[Vihtavuori N165]*
<<locked>>
81%
31546
49%
**95
91%
Vihtavuori N550
<<locked>>
81%
48211
76%
**15
100%
Vihtavuori N555
<<locked>>
81%
35795
56%
**72
98%
[Vihtavuori N560]*
<<locked>>
83%
36114
57%
**99
90%
[Vihtavuori N565]*
<<locked>>
87%
35549
56%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44875
70%
**94
100%
Winchester 760
<<locked>>
81%
50894
80%
**77
99%
Winchester StaBALL HD
<<locked>>
81%
26905
42%
**61
98%

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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