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Load data for .300 Norma Mag + .308 | 155gr | Berger BT Target

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

.300 Norma Mag + .308 | 155gr | Berger BT Target

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Berger BT Target
Manufacturer SKU:
30409
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.212" | 30.8mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.425" | 87.0mm
Seated Depth:
0.277" | 7.0mm
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_B1059_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 | 155gr | Berger BT Target bullet and 70 powders such as Alliant Reloder-23, Alliant Reloder-26, 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>>
83%
56985
89%
**17
100%
ADI AR 2209
<<locked>>
93%
56927
89%
**02
99%
ADI AR 2213
<<locked>>
97%
57217
90%
**38
98%
[ADI AR 2217]*
<<locked>>
97%
41930
66%
**10
93%
ADI AR 2225
<<locked>>
97%
37521
59%
**67
95%
Accurate 2700
<<locked>>
84%
57000
89%
**74
99%
Accurate 3100
<<locked>>
96%
56927
89%
**43
100%
Accurate 4350
<<locked>>
88%
57377
90%
**73
100%
Accurate MAGPRO
<<locked>>
97%
57392
90%
**45
96%
Alliant Reloder-16
<<locked>>
89%
56985
89%
**15
100%
Alliant Reloder-17
<<locked>>
85%
56782
89%
**15
100%
Alliant Reloder-19
<<locked>>
94%
57261
90%
**99
99%
Alliant Reloder-22
<<locked>>
97%
56927
89%
**41
99%
Alliant Reloder-23 👍
<<locked>>
97%
54795
86%
**69
100%
Alliant Reloder-25
<<locked>>
97%
46862
73%
**77
99%
Alliant Reloder-26 👍
<<locked>>
94%
57072
89%
**81
100%
[Hodgdon H1000]*
<<locked>>
97%
41930
66%
**10
93%
Hodgdon H414
<<locked>>
84%
56927
89%
**99
100%
Hodgdon H4350
<<locked>>
91%
56898
89%
**36
99%
Hodgdon H4831
<<locked>>
97%
52982
83%
**04
96%
Hodgdon H4831 SC
<<locked>>
95%
57392
90%
**86
97%
Hodgdon Hybrid 100V
<<locked>>
91%
56898
89%
**27
100%
Hodgdon LVR
<<locked>>
87%
57406
90%
**76
100%
Hodgdon Retumbo
<<locked>>
97%
37521
59%
**67
95%
Hodgdon Superperformance
<<locked>>
86%
56768
89%
**12
99%
Hodgdon VARGET
<<locked>>
84%
57276
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
96%
34983
55%
**69
100%
IMR 4064
<<locked>>
84%
56826
89%
**04
100%
IMR 4166 Enduron
<<locked>>
85%
56985
89%
**04
99%
IMR 4350
<<locked>>
90%
57087
89%
**46
99%
IMR 4451 Enduron
<<locked>>
86%
57334
90%
**36
99%
IMR 4831
<<locked>>
93%
57000
89%
**46
100%
IMR 4955 Enduron
<<locked>>
96%
57377
90%
**53
97%
IMR 7828 SSC
<<locked>>
95%
56695
89%
**45
98%
Lovex S065
<<locked>>
87%
57101
89%
**17
100%
Lovex S070
<<locked>>
88%
57392
90%
**50
100%
Lovex S071
<<locked>>
97%
47906
75%
**86
99%
Norma 204
<<locked>>
89%
56840
89%
**76
98%
[Norma 217]*
<<locked>>
97%
33301
52%
**66
92%
Norma MRP
<<locked>>
95%
57377
90%
**74
100%
Norma URP
<<locked>>
89%
57319
90%
**82
100%
Ramshot Hunter 👍
<<locked>>
90%
57435
90%
**05
100%
Ramshot Magnum
<<locked>>
97%
56478
89%
**12
99%
ReloadSwiss RS 14
<<locked>>
97%
36056
57%
**21
100%
ReloadSwiss RS 60
<<locked>>
86%
57348
90%
**48
100%
ReloadSwiss RS 62
<<locked>>
88%
56942
89%
**89
100%
ReloadSwiss RS 70
<<locked>>
89%
57145
90%
**41
100%
ReloadSwiss RS 76
<<locked>>
97%
46209
72%
**23
98%
Rottweil R 903
<<locked>>
84%
57246
90%
**20
100%
Rottweil R 904
<<locked>>
93%
56971
89%
**43
98%
Rottweil R 905
<<locked>>
94%
57261
90%
**99
99%
Rottweil R 907
<<locked>>
86%
57246
90%
**27
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
57232
90%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57305
90%
**84
100%
Shooters World Long Rifle
<<locked>>
87%
57101
89%
**17
100%
Somchem S355
<<locked>>
84%
57043
89%
**17
100%
Somchem S361
<<locked>>
92%
56753
89%
**04
97%
Somchem S365
<<locked>>
91%
57000
89%
**79
100%
Somchem S385
<<locked>>
94%
57159
90%
**63
99%
Vihtavuori N135
<<locked>>
85%
57000
89%
**18
100%
Vihtavuori N150
<<locked>>
89%
57217
90%
**77
100%
Vihtavuori N160
<<locked>>
86%
56985
89%
**36
100%
Vihtavuori N165
<<locked>>
97%
52852
83%
**68
98%
Vihtavuori N550
<<locked>>
86%
56927
89%
**69
100%
Vihtavuori N555 👍
<<locked>>
95%
57406
90%
**99
100%
Vihtavuori N560
<<locked>>
97%
57101
89%
**61
97%
Vihtavuori N565
<<locked>>
97%
49298
77%
**91
96%
Winchester 6.5 StaBALL
<<locked>>
88%
57334
90%
**04
100%
Winchester 760
<<locked>>
84%
56927
89%
**99
100%
Winchester StaBALL HD 👍
<<locked>>
97%
51155
80%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53374
84%
**54
100%
[ADI AR 2209]*
<<locked>>
81%
37724
59%
**05
93%
[ADI AR 2213]*
<<locked>>
83%
35955
56%
**66
90%
[ADI AR 2217]*
<<locked>>
92%
35447
56%
**46
90%
[ADI AR 2225]*
<<locked>>
90%
30139
47%
**31
90%
Accurate 2700
<<locked>>
81%
51706
81%
**86
98%
Accurate 3100
<<locked>>
81%
33402
52%
**57
95%
Accurate 4350
<<locked>>
81%
45034
71%
**59
99%
[Accurate MAGPRO]*
<<locked>>
87%
39813
62%
**90
90%
Alliant Reloder-16
<<locked>>
81%
43236
68%
**66
100%
Alliant Reloder-17
<<locked>>
81%
49980
78%
**00
100%
[Alliant Reloder-19]*
<<locked>>
81%
37623
59%
**02
93%
[Alliant Reloder-22]*
<<locked>>
81%
33315
52%
**13
91%
Alliant Reloder-23
<<locked>>
81%
32010
50%
**90
98%
[Alliant Reloder-25]*
<<locked>>
81%
28094
44%
**69
92%
Alliant Reloder-26
<<locked>>
81%
34838
55%
**28
97%
[Hodgdon H1000]*
<<locked>>
92%
35447
56%
**46
90%
Hodgdon H414
<<locked>>
81%
50952
80%
**81
99%
Hodgdon H4350
<<locked>>
81%
41437
65%
**35
96%
[Hodgdon H4831]*
<<locked>>
86%
36767
58%
**49
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
36767
58%
**49
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40857
64%
**48
100%
Hodgdon LVR
<<locked>>
81%
47500
74%
**02
99%
[Hodgdon Retumbo]*
<<locked>>
90%
30139
47%
**31
90%
Hodgdon Superperformance
<<locked>>
81%
46238
72%
**18
98%
Hodgdon VARGET
<<locked>>
81%
53113
83%
**54
100%
Hodgdon TrailBoss
<<locked>>
81%
28094
44%
**08
100%
IMR 4064
<<locked>>
81%
52533
82%
**38
100%
IMR 4166 Enduron
<<locked>>
81%
51242
80%
**09
99%
IMR 4350
<<locked>>
81%
43584
68%
**87
97%
IMR 4451 Enduron
<<locked>>
81%
49414
77%
**92
98%
IMR 4831
<<locked>>
81%
38957
61%
**12
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35578
56%
**80
90%
[IMR 7828 SSC]*
<<locked>>
82%
35447
56%
**69
90%
Lovex S065
<<locked>>
81%
47123
74%
**43
99%
Lovex S070
<<locked>>
81%
45179
71%
**23
98%
[Lovex S071]*
<<locked>>
81%
28616
45%
**16
92%
Norma 204
<<locked>>
81%
43468
68%
**20
95%
[Norma 217]*
<<locked>>
94%
30139
47%
**71
90%
[Norma MRP]*
<<locked>>
81%
34809
55%
**92
94%
Norma URP
<<locked>>
81%
44309
69%
**49
99%
Ramshot Hunter
<<locked>>
81%
43294
68%
**27
98%
[Ramshot Magnum]*
<<locked>>
81%
30850
48%
**35
91%
ReloadSwiss RS 14
<<locked>>
81%
28660
45%
**50
100%
ReloadSwiss RS 60
<<locked>>
81%
48138
75%
**91
100%
ReloadSwiss RS 62
<<locked>>
81%
44947
70%
**79
99%
ReloadSwiss RS 70
<<locked>>
81%
43381
68%
**86
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30516
48%
**71
90%
Rottweil R 903
<<locked>>
81%
52257
82%
**41
100%
[Rottweil R 904]*
<<locked>>
81%
39001
61%
**82
92%
[Rottweil R 905]*
<<locked>>
81%
36941
58%
**76
93%
Rottweil R 907
<<locked>>
81%
48153
75%
**69
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
52504
82%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45905
72%
**74
98%
Shooters World Long Rifle
<<locked>>
81%
47123
74%
**43
99%
Somchem S355
<<locked>>
81%
52243
82%
**35
100%
[Somchem S361]*
<<locked>>
81%
39914
63%
**72
92%
Somchem S365
<<locked>>
81%
41046
64%
**00
100%
Somchem S385
<<locked>>
81%
37405
59%
**66
95%
Vihtavuori N135
<<locked>>
81%
50459
79%
**20
100%
Vihtavuori N150
<<locked>>
81%
44744
70%
**67
100%
Vihtavuori N160
<<locked>>
81%
47645
75%
**76
100%
[Vihtavuori N165]*
<<locked>>
81%
31430
49%
**98
91%
Vihtavuori N550
<<locked>>
81%
48428
76%
**22
100%
Vihtavuori N555
<<locked>>
81%
36042
56%
**85
98%
[Vihtavuori N560]*
<<locked>>
83%
36274
57%
**05
90%
[Vihtavuori N565]*
<<locked>>
87%
35331
55%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45034
71%
**00
100%
Winchester 760
<<locked>>
81%
50952
80%
**81
99%
Winchester StaBALL HD
<<locked>>
81%
27035
42%
**84
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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