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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
83%
89%
100%
ADI AR 2209
93%
89%
99%
ADI AR 2213
97%
90%
98%
ADI AR 2217
97%
66%
93%
ADI AR 2225
97%
59%
95%
Accurate 2700
84%
89%
99%
Accurate 3100
96%
89%
100%
Accurate 4350
88%
90%
100%
Accurate MAGPRO
97%
90%
96%
Alliant Reloder-16
89%
89%
100%
Alliant Reloder-17
85%
89%
100%
Alliant Reloder-19
94%
90%
99%
Alliant Reloder-22
97%
89%
99%
Alliant Reloder-23
97%
86%
100%
Alliant Reloder-25
97%
73%
99%
Alliant Reloder-26
94%
89%
100%
Hodgdon H1000
97%
66%
93%
Hodgdon H414
84%
89%
100%
Hodgdon H4350
91%
89%
99%
Hodgdon H4831
97%
83%
96%
Hodgdon H4831 SC
95%
90%
97%
Hodgdon Hybrid 100V
91%
89%
100%
Hodgdon LVR
87%
90%
100%
Hodgdon Retumbo
97%
59%
95%
Hodgdon Superperformance
86%
89%
99%
Hodgdon VARGET
84%
90%
100%
Hodgdon TrailBoss
96%
55%
100%
IMR 4064
84%
89%
100%
IMR 4166 Enduron
85%
89%
99%
IMR 4350
90%
89%
99%
IMR 4451 Enduron
86%
90%
99%
IMR 4831
93%
89%
100%
IMR 4955 Enduron
96%
90%
97%
IMR 7828 SSC
95%
89%
98%
Lovex S065
87%
89%
100%
Lovex S070
88%
90%
100%
Lovex S071
97%
75%
99%
Norma 204
89%
89%
98%
Norma 217
97%
52%
92%
Norma MRP
95%
90%
100%
Norma URP
89%
90%
100%
Ramshot Hunter
90%
90%
100%
Ramshot Magnum
97%
89%
99%
ReloadSwiss RS 14
97%
57%
100%
ReloadSwiss RS 60
86%
90%
100%
ReloadSwiss RS 62
88%
89%
100%
ReloadSwiss RS 70
89%
90%
100%
ReloadSwiss RS 76
97%
72%
98%
Rottweil R 903
84%
90%
100%
Rottweil R 904
93%
89%
98%
Rottweil R 905
94%
90%
99%
Rottweil R 907
86%
90%
99%
SNPE Vectan Tubal 5000
84%
90%
100%
SNPE Vectan Tubal 7000
88%
90%
100%
Shooters World Long Rifle
87%
89%
100%
Somchem S355
84%
89%
100%
Somchem S361
92%
89%
97%
Somchem S365
91%
89%
100%
Somchem S385
94%
90%
99%
Vihtavuori N135
85%
89%
100%
Vihtavuori N150
89%
90%
100%
Vihtavuori N160
86%
89%
100%
Vihtavuori N165
97%
83%
98%
Vihtavuori N550
86%
89%
100%
Vihtavuori N555
95%
90%
100%
Vihtavuori N560
97%
89%
97%
Vihtavuori N565
97%
77%
96%
Winchester 6.5 StaBALL
88%
90%
100%
Winchester 760
84%
89%
100%
Winchester StaBALL HD
97%
80%
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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