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Load data for .30-378 Weath. Mag. + .308 | 190gr | Hornady BTSP

Recommended Powder(s):

.30-378 Weath. Mag. + .308 | 190gr | Hornady BTSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 190gr | Hornady BTSP
Manufacturer SKU:
3085
Bullet Weight:
190gr | 12.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.30-378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
133.0 Grains of Water | 8.64 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2702_C333
Last updated:
2026-05-28
Recommended Twist Rate:
1:12 - 1:10

Load data for 90 loads in caliber .30-378 Weath. Mag. with .308 | 190gr | Hornady BTSP bullet and 45 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".

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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 2213
<<locked>>
85%
57232
90%
**15
100%
ADI AR 2217
<<locked>>
93%
57000
89%
**12
100%
ADI AR 2218
<<locked>>
97%
56753
89%
**17
99%
ADI AR 2225 👍
<<locked>>
96%
57203
90%
**45
100%
Accurate 3100
<<locked>>
85%
57246
90%
**13
100%
Accurate 8700
<<locked>>
97%
45208
71%
**95
95%
Accurate MAGPRO
<<locked>>
83%
57246
90%
**28
99%
Alliant Reloder-22
<<locked>>
85%
57130
90%
**05
100%
Alliant Reloder-23
<<locked>>
86%
57319
90%
**40
100%
Alliant Reloder-25
<<locked>>
89%
57421
90%
**02
100%
Alliant Reloder-33
<<locked>>
94%
57000
89%
**61
98%
Alliant Reloder-50
<<locked>>
97%
54636
86%
**25
98%
Baschieri & Pellagri 109
<<locked>>
87%
57058
89%
**79
99%
Bofors RP15
<<locked>>
87%
57145
90%
**09
100%
Bofors RP30 👍
<<locked>>
91%
56942
89%
**28
100%
Bofors RP5
<<locked>>
85%
57130
90%
**05
100%
Hodgdon H1000
<<locked>>
91%
56956
89%
**09
100%
Hodgdon H4831
<<locked>>
84%
56985
89%
**63
100%
Hodgdon H4831 SC
<<locked>>
84%
56985
89%
**63
100%
Hodgdon Retumbo
<<locked>>
90%
57217
90%
**97
100%
Hodgdon TrailBoss
<<locked>>
97%
36463
57%
**93
100%
IMR 4955 Enduron
<<locked>>
84%
57363
90%
**46
100%
IMR 7828 SSC
<<locked>>
86%
57348
90%
**35
100%
IMR 7977 Enduron
<<locked>>
90%
57072
89%
**20
96%
IMR 8133 Enduron
<<locked>>
97%
54665
86%
**99
100%
Lovex D100
<<locked>>
94%
57159
90%
**49
95%
Lovex S071
<<locked>>
90%
57246
90%
**13
100%
Norma 217 👍
<<locked>>
97%
56115
88%
**28
100%
Ramshot Grand
<<locked>>
85%
57087
89%
**28
100%
[Ramshot LRT]*
<<locked>>
97%
56492
89%
**51
94%
Ramshot Magnum
<<locked>>
88%
57159
90%
**76
100%
ReloadSwiss RS 14
<<locked>>
97%
37376
59%
**32
100%
ReloadSwiss RS 76
<<locked>>
89%
56927
89%
**64
100%
ReloadSwiss RS 80 👍
<<locked>>
91%
57130
90%
**51
100%
SNPE Vectan SP 13
<<locked>>
97%
47485
74%
**18
95%
Shooters World 50 BMG
<<locked>>
94%
57159
90%
**49
95%
[Vihtavuori 24N41]*
<<locked>>
97%
54636
86%
**59
93%
Vihtavuori N165
<<locked>>
87%
57159
90%
**23
100%
Vihtavuori N170
<<locked>>
91%
57087
89%
**63
97%
Vihtavuori N560
<<locked>>
83%
57188
90%
**31
100%
Vihtavuori N565
<<locked>>
88%
57130
90%
**05
100%
Vihtavuori N568 👍
<<locked>>
91%
57029
89%
**45
99%
Vihtavuori N570
<<locked>>
93%
57377
90%
**00
98%
Winchester StaBALL HD
<<locked>>
85%
57305
90%
**12
100%
Winchester Supreme 780
<<locked>>
85%
57261
90%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49588
78%
**94
99%
ADI AR 2217
<<locked>>
81%
36956
58%
**18
97%
[ADI AR 2218]*
<<locked>>
84%
35143
55%
**28
90%
ADI AR 2225
<<locked>>
81%
34185
54%
**92
98%
Accurate 3100
<<locked>>
81%
50169
79%
**05
100%
[Accurate 8700]*
<<locked>>
90%
35259
55%
**69
90%
Accurate MAGPRO
<<locked>>
81%
52721
83%
**53
99%
Alliant Reloder-22
<<locked>>
81%
50372
79%
**87
100%
Alliant Reloder-23
<<locked>>
81%
49052
77%
**12
100%
Alliant Reloder-25
<<locked>>
81%
43076
67%
**66
100%
[Alliant Reloder-33]*
<<locked>>
81%
34809
55%
**95
91%
[Alliant Reloder-50]*
<<locked>>
85%
35230
55%
**02
90%
Baschieri & Pellagri 109
<<locked>>
81%
46905
73%
**89
97%
Bofors RP15
<<locked>>
81%
46673
73%
**28
99%
Bofors RP30
<<locked>>
81%
40103
63%
**03
98%
Bofors RP5
<<locked>>
81%
50372
79%
**87
100%
Hodgdon H1000
<<locked>>
81%
40306
63%
**07
98%
Hodgdon H4831
<<locked>>
81%
51924
81%
**84
99%
Hodgdon H4831 SC
<<locked>>
81%
51097
80%
**67
99%
Hodgdon Retumbo
<<locked>>
81%
42206
66%
**25
99%
Hodgdon TrailBoss
<<locked>>
81%
29095
46%
**32
100%
IMR 4955 Enduron
<<locked>>
81%
52417
82%
**64
99%
IMR 7828 SSC
<<locked>>
81%
48298
76%
**77
99%
[IMR 7977 Enduron]*
<<locked>>
81%
41930
66%
**25
91%
[IMR 8133 Enduron]*
<<locked>>
81%
31691
50%
**00
94%
[Lovex D100]*
<<locked>>
86%
43685
68%
**03
90%
Lovex S071
<<locked>>
81%
43178
68%
**77
100%
Norma 217
<<locked>>
81%
32155
50%
**36
97%
Ramshot Grand
<<locked>>
81%
49168
77%
**90
99%
[Ramshot LRT]*
<<locked>>
91%
46456
73%
**48
90%
Ramshot Magnum
<<locked>>
81%
44411
70%
**56
100%
ReloadSwiss RS 14
<<locked>>
81%
29965
47%
**72
100%
ReloadSwiss RS 76
<<locked>>
81%
41829
66%
**99
100%
ReloadSwiss RS 80
<<locked>>
81%
38363
60%
**84
95%
[SNPE Vectan SP 13]*
<<locked>>
88%
35172
55%
**49
90%
[Shooters World 50 BMG]*
<<locked>>
86%
43685
68%
**03
90%
[Vihtavuori 24N41]*
<<locked>>
92%
46021
72%
**95
90%
Vihtavuori N165
<<locked>>
81%
47616
75%
**66
100%
[Vihtavuori N170]*
<<locked>>
81%
40857
64%
**48
92%
Vihtavuori N560
<<locked>>
81%
53127
83%
**66
99%
Vihtavuori N565
<<locked>>
81%
44599
70%
**82
98%
Vihtavuori N568
<<locked>>
81%
39334
62%
**94
95%
[Vihtavuori N570]*
<<locked>>
81%
37507
59%
**80
92%
Winchester StaBALL HD
<<locked>>
81%
48936
77%
**94
100%
Winchester Supreme 780
<<locked>>
81%
50241
79%
**25
100%

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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