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Load data for .300 Norma Mag + .308 | 125gr | Speer HP TNT

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Recommended Powder(s): Alliant Reloder-16, ReloadSwiss RS 62, ReloadSwiss RS 70, Somchem S365, Vihtavuori N550

.300 Norma Mag + .308 | 125gr | Speer HP TNT

Load Specifications

Bullet:
.308 | 125gr | Speer HP TNT
Manufacturer SKU:
1986
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.920" | 23.4mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.288" | 83.5mm
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_B6143_C365
Last updated:
2025-01-01

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 160 loads in caliber .300 Norma Mag with .308 | 125gr | Speer HP TNT bullet and 80 powders such as Alliant Reloder-16, ReloadSwiss RS 62, ReloadSwiss RS 70, Somchem S365, Vihtavuori N550. 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 2208
<<locked>>
86%
57029
89%
**06
100%
ADI AR 2209
<<locked>>
97%
56159
88%
**68
97%
[ADI AR 2213]*
<<locked>>
97%
50560
79%
**73
93%
Accurate 2700
<<locked>>
87%
57029
89%
**43
98%
Accurate 3100
<<locked>>
97%
49574
78%
**81
98%
Accurate 4064
<<locked>>
85%
57130
90%
**86
100%
Accurate 4350
<<locked>>
92%
57145
90%
**68
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
56782
89%
**12
100%
Alliant Reloder-15
<<locked>>
84%
56942
89%
**45
100%
Alliant Reloder-16 👍
<<locked>>
94%
57421
90%
**20
100%
Alliant Reloder-17
<<locked>>
89%
57232
90%
**20
100%
Alliant Reloder-19
<<locked>>
97%
55448
87%
**35
96%
Alliant Reloder-22
<<locked>>
97%
49429
77%
**63
95%
Alliant Reloder-23
<<locked>>
97%
46528
73%
**01
100%
Alliant Reloder-25
<<locked>>
97%
40785
64%
**86
96%
Alliant Reloder-26
<<locked>>
97%
54114
85%
**24
100%
Hodgdon CFE223
<<locked>>
84%
57101
89%
**61
100%
Hodgdon H380
<<locked>>
85%
56956
89%
**28
100%
Hodgdon H414
<<locked>>
88%
57232
90%
**78
98%
Hodgdon H4350
<<locked>>
95%
57232
90%
**09
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
53069
83%
**66
94%
Hodgdon Hybrid 100V
<<locked>>
95%
56913
89%
**28
100%
Hodgdon LVR
<<locked>>
91%
57392
90%
**65
99%
Hodgdon Superperformance
<<locked>>
90%
56927
89%
**01
98%
Hodgdon VARGET
<<locked>>
87%
57029
89%
**06
100%
Hodgdon TrailBoss
<<locked>>
97%
34751
54%
**78
100%
IMR 3031
<<locked>>
83%
57319
90%
**02
100%
IMR 4064
<<locked>>
87%
57058
89%
**99
100%
IMR 4166 Enduron
<<locked>>
88%
56811
89%
**79
98%
IMR 4350
<<locked>>
93%
57043
89%
**15
98%
IMR 4451 Enduron
<<locked>>
89%
57101
89%
**12
98%
IMR 4831
<<locked>>
97%
56173
88%
**32
100%
IMR 4895
<<locked>>
83%
57217
90%
**48
100%
[IMR 4955 Enduron]*
<<locked>>
97%
52214
82%
**10
94%
[IMR 7828 SSC]*
<<locked>>
97%
52141
82%
**06
94%
Lovex S062
<<locked>>
85%
56898
89%
**96
100%
Lovex S065
<<locked>>
91%
57305
90%
**06
99%
Lovex S070
<<locked>>
92%
57101
89%
**15
98%
Lovex S071
<<locked>>
97%
41452
65%
**04
95%
Norma 203B
<<locked>>
85%
57421
90%
**48
100%
Norma 204
<<locked>>
93%
57261
90%
**61
97%
Norma MRP
<<locked>>
97%
52330
82%
**51
97%
Norma URP
<<locked>>
93%
57000
89%
**68
100%
Ramshot Big Game
<<locked>>
84%
57043
89%
**48
100%
Ramshot Hunter
<<locked>>
93%
56739
89%
**78
99%
Ramshot Magnum
<<locked>>
97%
48022
75%
**04
95%
ReloadSwiss RS 14
<<locked>>
96%
35172
55%
**28
100%
ReloadSwiss RS 50
<<locked>>
85%
57290
90%
**15
99%
ReloadSwiss RS 52
<<locked>>
84%
57159
90%
**45
100%
ReloadSwiss RS 60
<<locked>>
90%
57174
90%
**43
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
56927
89%
**84
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
57319
90%
**43
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
40016
63%
**82
93%
Rottweil R 902
<<locked>>
84%
57014
89%
**73
100%
Rottweil R 903
<<locked>>
87%
56753
89%
**06
100%
Rottweil R 904
<<locked>>
96%
56913
89%
**12
95%
Rottweil R 905
<<locked>>
97%
54868
86%
**25
96%
Rottweil R 907
<<locked>>
90%
57348
90%
**12
98%
SNPE Vectan SP 11
<<locked>>
86%
56840
89%
**42
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
57363
90%
**94
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
57363
90%
**53
98%
Shooters World Long Rifle
<<locked>>
91%
57305
90%
**06
99%
Shooters World Precision
<<locked>>
85%
56898
89%
**96
100%
Somchem S355
<<locked>>
88%
57363
90%
**19
100%
Somchem S361
<<locked>>
95%
57000
89%
**69
95%
Somchem S365 👍
<<locked>>
95%
56927
89%
**78
100%
Somchem S385
<<locked>>
97%
55724
87%
**02
97%
Vihtavuori N133
<<locked>>
84%
57290
90%
**84
100%
Vihtavuori N135
<<locked>>
89%
57334
90%
**30
100%
Vihtavuori N140
<<locked>>
84%
57363
90%
**53
100%
Vihtavuori N150
<<locked>>
93%
57406
90%
**69
100%
Vihtavuori N160
<<locked>>
90%
56739
89%
**19
100%
Vihtavuori N165
<<locked>>
97%
45905
72%
**89
95%
Vihtavuori N540
<<locked>>
84%
57159
90%
**73
100%
Vihtavuori N550 👍
<<locked>>
90%
57435
90%
**71
100%
Vihtavuori N555
<<locked>>
97%
51996
81%
**96
100%
[Vihtavuori N560]*
<<locked>>
97%
49864
78%
**76
93%
Winchester 6.5 StaBALL
<<locked>>
91%
57130
90%
**79
100%
Winchester 760
<<locked>>
88%
57232
90%
**78
98%
Winchester StaBALL HD
<<locked>>
97%
41423
65%
**33
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47979
75%
**28
99%
[ADI AR 2209]*
<<locked>>
85%
38101
60%
**51
90%
[ADI AR 2213]*
<<locked>>
92%
43294
68%
**92
90%
Accurate 2700
<<locked>>
81%
46064
72%
**27
95%
[Accurate 3100]*
<<locked>>
83%
30458
48%
**02
90%
Accurate 4064
<<locked>>
81%
50618
79%
**68
100%
Accurate 4350
<<locked>>
81%
38827
61%
**74
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
48312
76%
**64
100%
Alliant Reloder-15
<<locked>>
81%
51634
81%
**43
100%
Alliant Reloder-16
<<locked>>
81%
37550
59%
**81
96%
Alliant Reloder-17
<<locked>>
81%
43062
67%
**51
99%
[Alliant Reloder-19]*
<<locked>>
85%
37855
59%
**38
90%
[Alliant Reloder-22]*
<<locked>>
89%
37855
59%
**74
90%
[Alliant Reloder-23]*
<<locked>>
81%
27586
43%
**76
93%
[Alliant Reloder-25]*
<<locked>>
89%
31125
49%
**87
90%
[Alliant Reloder-26]*
<<locked>>
81%
29646
46%
**71
90%
Hodgdon CFE223
<<locked>>
81%
51271
80%
**60
99%
Hodgdon H380
<<locked>>
81%
49443
77%
**91
99%
Hodgdon H414
<<locked>>
81%
44440
70%
**15
95%
[Hodgdon H4350]*
<<locked>>
81%
36361
57%
**49
91%
[Hodgdon H4831 SC]*
<<locked>>
91%
43947
69%
**66
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35099
55%
**66
97%
Hodgdon LVR
<<locked>>
81%
41597
65%
**40
96%
[Hodgdon Superperformance]*
<<locked>>
81%
40161
63%
**23
93%
Hodgdon VARGET
<<locked>>
81%
47500
74%
**19
99%
Hodgdon TrailBoss
<<locked>>
81%
27572
43%
**01
100%
IMR 3031
<<locked>>
81%
52866
83%
**40
100%
IMR 4064
<<locked>>
81%
46847
73%
**02
99%
IMR 4166 Enduron
<<locked>>
81%
46006
72%
**69
96%
[IMR 4350]*
<<locked>>
81%
38232
60%
**05
92%
IMR 4451 Enduron
<<locked>>
81%
44309
69%
**50
95%
[IMR 4831]*
<<locked>>
81%
33605
53%
**20
94%
IMR 4895
<<locked>>
81%
53040
83%
**73
100%
[IMR 4955 Enduron]*
<<locked>>
91%
42656
67%
**04
90%
[IMR 7828 SSC]*
<<locked>>
92%
42960
67%
**96
90%
Lovex S062
<<locked>>
81%
50647
79%
**78
100%
Lovex S065
<<locked>>
81%
41655
65%
**81
96%
[Lovex S070]*
<<locked>>
81%
39958
63%
**61
94%
[Lovex S071]*
<<locked>>
88%
30342
48%
**02
90%
Norma 203B
<<locked>>
81%
51126
80%
**33
100%
[Norma 204]*
<<locked>>
81%
37898
59%
**25
90%
[Norma MRP]*
<<locked>>
85%
34505
54%
**12
90%
Norma URP
<<locked>>
81%
38522
60%
**77
96%
Ramshot Big Game
<<locked>>
81%
51866
81%
**46
100%
[Ramshot Hunter]*
<<locked>>
81%
37521
59%
**51
94%
[Ramshot Magnum]*
<<locked>>
89%
36390
57%
**09
90%
ReloadSwiss RS 14
<<locked>>
81%
28036
44%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
49516
78%
**58
97%
ReloadSwiss RS 52
<<locked>>
81%
51213
80%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
41510
65%
**28
100%
ReloadSwiss RS 62
<<locked>>
81%
38696
61%
**94
96%
ReloadSwiss RS 70
<<locked>>
81%
37608
59%
**87
95%
[ReloadSwiss RS 76]*
<<locked>>
95%
36521
57%
**64
90%
Rottweil R 902
<<locked>>
81%
52344
82%
**97
100%
Rottweil R 903
<<locked>>
81%
45934
72%
**09
100%
[Rottweil R 904]*
<<locked>>
86%
40959
64%
**68
90%
[Rottweil R 905]*
<<locked>>
86%
37217
58%
**22
90%
[Rottweil R 907]*
<<locked>>
81%
42902
67%
**04
94%
SNPE Vectan SP 11
<<locked>>
81%
47253
74%
**64
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
47036
74%
**23
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
40886
64%
**15
94%
Shooters World Long Rifle
<<locked>>
81%
41655
65%
**81
96%
Shooters World Precision
<<locked>>
81%
50647
79%
**78
100%
Somchem S355
<<locked>>
81%
46079
72%
**99
99%
[Somchem S361]*
<<locked>>
87%
43221
68%
**81
90%
Somchem S365
<<locked>>
81%
34722
54%
**18
98%
[Somchem S385]*
<<locked>>
83%
34621
54%
**27
90%
Vihtavuori N133
<<locked>>
81%
52388
82%
**09
100%
Vihtavuori N135
<<locked>>
81%
44773
70%
**27
100%
Vihtavuori N140
<<locked>>
81%
52025
82%
**55
100%
Vihtavuori N150
<<locked>>
81%
39436
62%
**18
99%
Vihtavuori N160
<<locked>>
81%
41626
65%
**14
97%
[Vihtavuori N165]*
<<locked>>
89%
35520
56%
**33
90%
Vihtavuori N540
<<locked>>
81%
51953
81%
**87
100%
Vihtavuori N550
<<locked>>
81%
42395
66%
**56
97%
[Vihtavuori N555]*
<<locked>>
81%
30284
47%
**67
93%
[Vihtavuori N560]*
<<locked>>
93%
43569
68%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39552
62%
**45
99%
Winchester 760
<<locked>>
81%
44440
70%
**15
95%
[Winchester StaBALL HD]*
<<locked>>
82%
25570
40%
**43
90%

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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