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Load data for .300 Weath. Mag. + .308 | 190gr | Speer TB

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Recommended Powder(s):

.300 Weath. Mag. + .308 | 190gr | Speer TB

Load Specifications

Bullet:
.308 | 190gr | Speer TB
Manufacturer SKU:
308H2
Bullet Weight:
190gr | 12.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.380" | 35.1mm
Caliber:
.300 Weath. Mag.
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.697" | 17.7mm
Shank Seated Depth:
0.528" | 13.4mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6174_C379

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

Load data for 142 loads in caliber .300 Weath. Mag. with .308 | 190gr | Speer TB bullet and 71 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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 2209 👍
<<locked>>
93%
57130
90%
**97
99%
ADI AR 2213
<<locked>>
96%
57319
90%
**36
99%
ADI AR 2217
<<locked>>
97%
42395
66%
**61
95%
ADI AR 2225
<<locked>>
97%
37913
59%
**15
97%
Accurate 2700
<<locked>>
84%
56724
89%
**62
100%
Accurate 3100
<<locked>>
96%
57305
90%
**41
100%
Accurate 4350
<<locked>>
88%
57363
90%
**54
100%
Accurate MAGPRO
<<locked>>
97%
57116
90%
**46
97%
Alliant Reloder-16
<<locked>>
89%
56811
89%
**94
100%
Alliant Reloder-17
<<locked>>
84%
57203
90%
**97
100%
Alliant Reloder-19 👍
<<locked>>
93%
57116
89%
**94
99%
Alliant Reloder-22
<<locked>>
96%
56884
89%
**23
99%
Alliant Reloder-23
<<locked>>
97%
55114
86%
**58
100%
Alliant Reloder-25
<<locked>>
97%
47747
75%
**12
100%
Alliant Reloder-26
<<locked>>
94%
57058
89%
**76
100%
Hodgdon H1000
<<locked>>
97%
42395
66%
**61
95%
Hodgdon H414
<<locked>>
84%
57072
89%
**81
100%
Hodgdon H4350
<<locked>>
91%
57058
89%
**31
100%
Hodgdon H4831
<<locked>>
97%
53621
84%
**22
97%
Hodgdon H4831 SC
<<locked>>
95%
56971
89%
**71
98%
Hodgdon Hybrid 100V
<<locked>>
91%
56739
89%
**08
100%
Hodgdon LVR
<<locked>>
86%
56681
89%
**51
100%
Hodgdon Retumbo
<<locked>>
97%
37913
59%
**15
97%
Hodgdon Superperformance
<<locked>>
86%
57261
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
96%
35099
55%
**26
100%
IMR 4064
<<locked>>
83%
57276
90%
**85
100%
IMR 4166 Enduron
<<locked>>
84%
57261
90%
**99
100%
IMR 4350
<<locked>>
89%
57058
89%
**28
100%
IMR 4451 Enduron
<<locked>>
85%
57290
90%
**15
100%
IMR 4831
<<locked>>
93%
57334
90%
**38
100%
IMR 4955 Enduron
<<locked>>
96%
57130
90%
**38
98%
IMR 7828 SSC
<<locked>>
95%
57159
90%
**46
99%
[IMR 8133 Enduron]*
<<locked>>
97%
33823
53%
**16
92%
Lovex S065
<<locked>>
87%
57159
90%
**08
100%
Lovex S070
<<locked>>
88%
57406
90%
**28
100%
Lovex S071
<<locked>>
97%
48428
76%
**10
100%
Norma 204
<<locked>>
89%
56797
89%
**64
99%
Norma 217
<<locked>>
97%
33663
53%
**43
95%
Norma MRP 👍
<<locked>>
94%
56565
89%
**53
100%
Norma URP
<<locked>>
89%
57363
90%
**58
100%
Ramshot Hunter
<<locked>>
89%
56811
89%
**81
100%
Ramshot Magnum
<<locked>>
97%
56565
89%
**10
100%
ReloadSwiss RS 14
<<locked>>
97%
36347
57%
**75
100%
ReloadSwiss RS 60
<<locked>>
85%
57261
90%
**17
100%
ReloadSwiss RS 62
<<locked>>
88%
57203
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
88%
57130
90%
**27
100%
ReloadSwiss RS 76
<<locked>>
97%
46470
73%
**41
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
41684
65%
**13
94%
Rottweil R 903
<<locked>>
83%
57246
90%
**02
100%
Rottweil R 904
<<locked>>
92%
57072
89%
**41
99%
Rottweil R 905 👍
<<locked>>
93%
56753
89%
**84
99%
Rottweil R 907
<<locked>>
86%
56753
89%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
83%
56942
89%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
56840
89%
**66
100%
Shooters World Long Rifle
<<locked>>
87%
57159
90%
**08
100%
Somchem S355
<<locked>>
83%
56710
89%
**89
100%
Somchem S361
<<locked>>
92%
57435
90%
**18
98%
Somchem S365
<<locked>>
90%
57406
90%
**64
100%
Somchem S385 👍
<<locked>>
93%
56985
89%
**51
100%
Vihtavuori N135
<<locked>>
84%
56927
89%
**97
100%
Vihtavuori N150
<<locked>>
88%
57217
90%
**59
100%
Vihtavuori N160
<<locked>>
86%
56956
89%
**15
100%
Vihtavuori N165
<<locked>>
97%
53417
84%
**89
99%
Vihtavuori N550
<<locked>>
85%
56594
89%
**48
100%
Vihtavuori N555
<<locked>>
94%
56826
89%
**81
100%
Vihtavuori N560
<<locked>>
96%
56739
89%
**46
98%
Vihtavuori N565
<<locked>>
97%
49908
78%
**22
97%
[Vihtavuori N568]*
<<locked>>
97%
43453
68%
**40
94%
Winchester 6.5 StaBALL
<<locked>>
87%
56942
89%
**92
100%
Winchester 760
<<locked>>
84%
57072
89%
**81
100%
Winchester StaBALL HD
<<locked>>
97%
51851
81%
**36
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38174
60%
**39
95%
[ADI AR 2213]*
<<locked>>
81%
34142
53%
**67
91%
[ADI AR 2217]*
<<locked>>
89%
32445
51%
**15
90%
[ADI AR 2225]*
<<locked>>
86%
26643
42%
**87
90%
Accurate 2700
<<locked>>
81%
52127
82%
**94
99%
Accurate 3100
<<locked>>
81%
33982
53%
**18
97%
Accurate 4350
<<locked>>
81%
45759
72%
**77
100%
[Accurate MAGPRO]*
<<locked>>
84%
35969
56%
**30
90%
Alliant Reloder-16
<<locked>>
81%
43830
69%
**77
100%
Alliant Reloder-17
<<locked>>
81%
50734
80%
**99
100%
Alliant Reloder-19
<<locked>>
81%
38189
60%
**39
95%
[Alliant Reloder-22]*
<<locked>>
81%
33895
53%
**70
94%
Alliant Reloder-23
<<locked>>
81%
32677
51%
**48
99%
Alliant Reloder-25
<<locked>>
81%
28471
45%
**52
95%
Alliant Reloder-26
<<locked>>
81%
35636
56%
**82
99%
[Hodgdon H1000]*
<<locked>>
89%
32445
51%
**15
90%
Hodgdon H414
<<locked>>
81%
51547
81%
**89
100%
Hodgdon H4350
<<locked>>
81%
41916
66%
**69
98%
[Hodgdon H4831]*
<<locked>>
82%
32938
52%
**92
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35882
56%
**70
92%
Hodgdon Hybrid 100V
<<locked>>
81%
41582
65%
**72
100%
Hodgdon LVR
<<locked>>
81%
48182
76%
**17
100%
[Hodgdon Retumbo]*
<<locked>>
86%
26643
42%
**87
90%
Hodgdon Superperformance
<<locked>>
81%
47152
74%
**46
99%
Hodgdon TrailBoss
<<locked>>
88%
31314
49%
**50
100%
IMR 4064
<<locked>>
81%
53200
83%
**30
100%
IMR 4166 Enduron
<<locked>>
81%
52069
82%
**17
100%
IMR 4350
<<locked>>
81%
44077
69%
**08
98%
IMR 4451 Enduron
<<locked>>
81%
50125
79%
**03
99%
IMR 4831
<<locked>>
81%
39798
62%
**49
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36201
57%
**41
92%
[IMR 7828 SSC]*
<<locked>>
81%
34925
55%
**97
92%
[IMR 8133 Enduron]*
<<locked>>
94%
31285
49%
**44
90%
Lovex S065
<<locked>>
81%
47630
75%
**51
100%
Lovex S070
<<locked>>
81%
45948
72%
**48
99%
Lovex S071
<<locked>>
81%
29341
46%
**00
95%
Norma 204
<<locked>>
81%
44077
69%
**48
97%
[Norma 217]*
<<locked>>
90%
27209
43%
**39
90%
Norma MRP
<<locked>>
81%
35244
55%
**36
96%
Norma URP
<<locked>>
81%
45020
71%
**61
100%
Ramshot Hunter
<<locked>>
81%
43918
69%
**54
99%
[Ramshot Magnum]*
<<locked>>
81%
31357
49%
**05
93%
ReloadSwiss RS 14
<<locked>>
83%
29936
47%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
48878
77%
**99
100%
ReloadSwiss RS 62
<<locked>>
81%
45716
72%
**90
100%
ReloadSwiss RS 70
<<locked>>
81%
44019
69%
**13
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
27383
43%
**29
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
34838
55%
**52
90%
Rottweil R 903
<<locked>>
81%
53026
83%
**36
100%
Rottweil R 904
<<locked>>
81%
39610
62%
**30
95%
Rottweil R 905
<<locked>>
81%
37405
59%
**23
95%
Rottweil R 907
<<locked>>
81%
48907
77%
**80
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
53417
84%
**21
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46601
73%
**98
99%
Shooters World Long Rifle
<<locked>>
81%
47630
75%
**51
100%
Somchem S355
<<locked>>
81%
52794
83%
**30
100%
[Somchem S361]*
<<locked>>
81%
40437
63%
**13
94%
Somchem S365
<<locked>>
81%
41785
65%
**18
100%
Somchem S385
<<locked>>
81%
38232
60%
**16
97%
Vihtavuori N135
<<locked>>
81%
51343
80%
**28
100%
Vihtavuori N150
<<locked>>
81%
45513
71%
**82
100%
Vihtavuori N160
<<locked>>
81%
48428
76%
**84
100%
[Vihtavuori N165]*
<<locked>>
81%
32097
50%
**62
94%
Vihtavuori N550
<<locked>>
81%
48805
76%
**26
100%
Vihtavuori N555
<<locked>>
81%
36651
57%
**20
99%
[Vihtavuori N560]*
<<locked>>
81%
34011
53%
**84
91%
[Vihtavuori N565]*
<<locked>>
83%
31357
49%
**15
90%
[Vihtavuori N568]*
<<locked>>
91%
35911
56%
**62
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45455
71%
**18
100%
Winchester 760
<<locked>>
81%
51547
81%
**89
100%
Winchester StaBALL HD
<<locked>>
81%
27818
44%
**54
99%

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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