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

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Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 60, Rottweil R 903, Somchem S355, Somchem S365

.300 Blaser 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 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.149" | 3.8mm
Shank Seated Depth:
0.149" | 3.8mm
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B6143_C351
Last updated:
2025-01-01

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

Load data for 160 loads in caliber .300 Blaser Mag with .308 | 125gr | Speer HP TNT bullet and 80 powders such as Alliant Reloder-17, ReloadSwiss RS 60, Rottweil R 903, Somchem S355, Somchem S365. 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 2206H
<<locked>>
84%
54766
90%
**37
100%
ADI AR 2208
<<locked>>
89%
54143
89%
**07
99%
[ADI AR 2209]*
<<locked>>
97%
48559
80%
**61
93%
Accurate 2700
<<locked>>
90%
54447
89%
**35
96%
[Accurate 3100]*
<<locked>>
97%
41437
68%
**64
94%
Accurate 4064
<<locked>>
87%
54505
89%
**04
100%
Accurate 4350
<<locked>>
95%
54578
90%
**79
99%
Alliant Reloder- TS 15.5
<<locked>>
89%
54752
90%
**40
100%
Alliant Reloder-15
<<locked>>
86%
54070
89%
**46
99%
Alliant Reloder-16
<<locked>>
97%
54447
89%
**28
99%
Alliant Reloder-17 👍
<<locked>>
92%
54041
89%
**35
100%
[Alliant Reloder-19]*
<<locked>>
97%
47688
78%
**35
93%
Alliant Reloder-23
<<locked>>
97%
39276
64%
**04
98%
Alliant Reloder-26
<<locked>>
97%
44614
73%
**81
97%
Baschieri & Pellagri 107
<<locked>>
84%
54244
89%
**43
99%
Hodgdon CFE223
<<locked>>
87%
54752
90%
**86
99%
Hodgdon H380
<<locked>>
88%
54578
90%
**43
99%
Hodgdon H414
<<locked>>
91%
54520
89%
**86
97%
Hodgdon H4350
<<locked>>
97%
52504
86%
**84
96%
Hodgdon Hybrid 100V
<<locked>>
97%
51068
84%
**91
100%
Hodgdon LVR
<<locked>>
93%
54549
90%
**69
98%
Hodgdon Superperformance
<<locked>>
94%
54723
90%
**06
96%
Hodgdon VARGET
<<locked>>
89%
54143
89%
**07
99%
Hodgdon TrailBoss
<<locked>>
96%
34069
56%
**06
100%
IMR 3031
<<locked>>
86%
54607
90%
**37
100%
IMR 4064
<<locked>>
90%
54360
89%
**04
99%
IMR 4166 Enduron
<<locked>>
90%
54157
89%
**81
97%
IMR 4350
<<locked>>
96%
54578
90%
**23
96%
IMR 4451 Enduron
<<locked>>
91%
54114
89%
**97
96%
IMR 4831
<<locked>>
97%
48602
80%
**51
98%
IMR 4895
<<locked>>
86%
54230
89%
**63
100%
Lovex D073.6
<<locked>>
84%
54462
89%
**14
100%
Lovex S060
<<locked>>
84%
54592
90%
**71
100%
Lovex S062
<<locked>>
87%
54346
89%
**10
100%
Lovex S065
<<locked>>
94%
54665
90%
**10
98%
Lovex S070
<<locked>>
95%
54810
90%
**30
97%
Norma 201
<<locked>>
84%
54708
90%
**04
100%
Norma 202
<<locked>>
84%
54389
89%
**91
100%
Norma 203B
<<locked>>
87%
54665
90%
**60
100%
Norma 204
<<locked>>
96%
54462
89%
**50
95%
[Norma MRP]*
<<locked>>
97%
43947
72%
**35
93%
Norma URP
<<locked>>
96%
54389
89%
**73
99%
Ramshot Big Game
<<locked>>
87%
54810
90%
**60
100%
Ramshot Hunter
<<locked>>
96%
54215
89%
**83
98%
ReloadSwiss RS 14
<<locked>>
96%
34505
57%
**52
100%
ReloadSwiss RS 50
<<locked>>
88%
54534
90%
**14
97%
ReloadSwiss RS 52
<<locked>>
87%
54404
89%
**66
100%
ReloadSwiss RS 60 👍
<<locked>>
93%
54288
89%
**65
100%
ReloadSwiss RS 62
<<locked>>
95%
54505
89%
**92
99%
ReloadSwiss RS 70
<<locked>>
96%
54505
89%
**35
99%
Rottweil R 902
<<locked>>
86%
54418
89%
**91
100%
Rottweil R 903 👍
<<locked>>
90%
54012
89%
**27
100%
[Rottweil R 904]*
<<locked>>
97%
50459
83%
**32
92%
[Rottweil R 905]*
<<locked>>
97%
46412
76%
**09
93%
Rottweil R 907
<<locked>>
93%
54694
90%
**07
96%
SNPE Vectan SP 11
<<locked>>
89%
54433
89%
**66
100%
SNPE Vectan SP 9
<<locked>>
84%
54288
89%
**23
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
54665
90%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
54563
90%
**12
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
54824
90%
**55
97%
Shooters World Long Rifle
<<locked>>
94%
54665
90%
**10
98%
Shooters World Match Rifle
<<locked>>
84%
54462
89%
**14
100%
Shooters World Precision
<<locked>>
87%
54346
89%
**10
100%
Somchem S335
<<locked>>
84%
54723
90%
**25
100%
Somchem S341
<<locked>>
83%
54607
90%
**07
100%
Somchem S355 👍
<<locked>>
90%
54259
89%
**27
100%
[Somchem S361]*
<<locked>>
97%
52359
86%
**19
92%
Somchem S365 👍
<<locked>>
97%
50966
84%
**53
100%
[Somchem S385]*
<<locked>>
97%
47471
78%
**99
94%
Vihtavuori N133
<<locked>>
86%
54665
90%
**15
100%
Vihtavuori N135
<<locked>>
92%
54694
90%
**64
100%
Vihtavuori N140
<<locked>>
86%
54201
89%
**64
100%
Vihtavuori N150
<<locked>>
95%
54317
89%
**78
100%
Vihtavuori N160
<<locked>>
93%
54520
89%
**27
99%
Vihtavuori N540
<<locked>>
86%
54273
89%
**84
100%
Vihtavuori N550
<<locked>>
93%
54259
89%
**83
99%
Vihtavuori N555
<<locked>>
97%
43976
72%
**02
98%
Winchester 6.5 StaBALL
<<locked>>
94%
54404
89%
**10
100%
Winchester 760
<<locked>>
91%
54520
89%
**86
97%
Winchester StaBALL HD
<<locked>>
97%
35679
59%
**87
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50212
82%
**55
99%
ADI AR 2208
<<locked>>
81%
42554
70%
**74
97%
[ADI AR 2209]*
<<locked>>
92%
41785
69%
**94
90%
[Accurate 2700]*
<<locked>>
81%
40741
67%
**59
92%
[Accurate 3100]*
<<locked>>
90%
32721
54%
**51
90%
Accurate 4064
<<locked>>
81%
44164
73%
**23
100%
[Accurate 4350]*
<<locked>>
81%
32967
54%
**84
93%
Alliant Reloder- TS 15.5
<<locked>>
81%
42206
69%
**87
98%
Alliant Reloder-15
<<locked>>
81%
45614
75%
**79
98%
[Alliant Reloder-16]*
<<locked>>
81%
32764
54%
**90
92%
Alliant Reloder-17
<<locked>>
81%
37028
61%
**48
97%
[Alliant Reloder-19]*
<<locked>>
92%
40814
67%
**81
90%
[Alliant Reloder-23]*
<<locked>>
85%
26861
44%
**03
90%
[Alliant Reloder-26]*
<<locked>>
88%
31821
52%
**23
90%
Baschieri & Pellagri 107
<<locked>>
81%
49937
82%
**61
98%
Hodgdon CFE223
<<locked>>
81%
44469
73%
**79
97%
Hodgdon H380
<<locked>>
81%
43207
71%
**04
96%
[Hodgdon H414]*
<<locked>>
81%
38435
63%
**35
92%
[Hodgdon H4350]*
<<locked>>
86%
37478
62%
**46
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
30110
49%
**76
93%
[Hodgdon LVR]*
<<locked>>
81%
35897
59%
**63
93%
[Hodgdon Superperformance]*
<<locked>>
83%
37753
62%
**18
90%
Hodgdon VARGET
<<locked>>
81%
42032
69%
**61
97%
Hodgdon TrailBoss
<<locked>>
81%
27021
44%
**32
100%
IMR 3031
<<locked>>
81%
46151
76%
**86
100%
IMR 4064
<<locked>>
81%
41510
68%
**41
97%
[IMR 4166 Enduron]*
<<locked>>
81%
41176
68%
**99
93%
[IMR 4350]*
<<locked>>
84%
37043
61%
**33
90%
[IMR 4451 Enduron]*
<<locked>>
81%
39262
64%
**69
92%
[IMR 4831]*
<<locked>>
81%
28747
47%
**36
90%
IMR 4895
<<locked>>
81%
46833
77%
**12
99%
Lovex D073.6
<<locked>>
81%
49966
82%
**32
100%
Lovex S060
<<locked>>
81%
49574
81%
**76
99%
Lovex S062
<<locked>>
81%
44730
73%
**14
99%
[Lovex S065]*
<<locked>>
81%
36724
60%
**17
93%
[Lovex S070]*
<<locked>>
81%
34867
57%
**71
90%
Norma 201
<<locked>>
81%
48979
80%
**02
100%
Norma 202
<<locked>>
81%
49385
81%
**02
100%
Norma 203B
<<locked>>
81%
45136
74%
**69
98%
[Norma 204]*
<<locked>>
88%
41887
69%
**81
90%
[Norma MRP]*
<<locked>>
92%
37507
62%
**51
90%
[Norma URP]*
<<locked>>
81%
33156
54%
**97
93%
Ramshot Big Game
<<locked>>
81%
44875
74%
**76
98%
[Ramshot Hunter]*
<<locked>>
82%
33605
55%
**00
90%
ReloadSwiss RS 14
<<locked>>
81%
27427
45%
**75
100%
ReloadSwiss RS 50
<<locked>>
81%
43584
72%
**87
95%
ReloadSwiss RS 52
<<locked>>
81%
44309
73%
**69
99%
ReloadSwiss RS 60
<<locked>>
81%
35940
59%
**38
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
32706
54%
**00
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
32547
53%
**81
90%
Rottweil R 902
<<locked>>
81%
46543
76%
**43
99%
Rottweil R 903
<<locked>>
81%
39798
65%
**38
98%
[Rottweil R 904]*
<<locked>>
93%
45049
74%
**20
90%
[Rottweil R 905]*
<<locked>>
92%
39885
65%
**64
90%
[Rottweil R 907]*
<<locked>>
81%
37942
62%
**40
91%
SNPE Vectan SP 11
<<locked>>
81%
41017
67%
**87
97%
SNPE Vectan SP 9
<<locked>>
81%
48689
80%
**12
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
50198
82%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41901
69%
**76
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35897
59%
**41
91%
[Shooters World Long Rifle]*
<<locked>>
81%
36724
60%
**17
93%
Shooters World Match Rifle
<<locked>>
81%
49966
82%
**32
100%
Shooters World Precision
<<locked>>
81%
44730
73%
**14
99%
Somchem S335
<<locked>>
81%
49705
82%
**40
100%
Somchem S341
<<locked>>
81%
50908
84%
**38
99%
Somchem S355
<<locked>>
81%
40480
66%
**45
98%
[Somchem S361]*
<<locked>>
94%
47456
78%
**27
90%
Somchem S365
<<locked>>
81%
29602
49%
**25
95%
[Somchem S385]*
<<locked>>
89%
36985
61%
**56
90%
Vihtavuori N133
<<locked>>
81%
47166
77%
**91
100%
Vihtavuori N135
<<locked>>
81%
39291
64%
**79
100%
Vihtavuori N140
<<locked>>
81%
46166
76%
**17
100%
Vihtavuori N150
<<locked>>
81%
34534
57%
**64
97%
[Vihtavuori N160]*
<<locked>>
81%
35897
59%
**30
94%
Vihtavuori N540
<<locked>>
81%
45934
75%
**40
100%
[Vihtavuori N550]*
<<locked>>
81%
36535
60%
**76
94%
[Vihtavuori N555]*
<<locked>>
83%
27543
45%
**53
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34461
57%
**71
96%
[Winchester 760]*
<<locked>>
81%
38435
63%
**35
92%
[Winchester StaBALL HD]*
<<locked>>
89%
27601
45%
**79
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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