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Load data for .30-378 Weath. Mag. + .308 | 155gr | Sierra HPBT MK

Recommended Powder(s): ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.30-378 Weath. Mag. + .308 | 155gr | Sierra HPBT MK

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Sierra HPBT MK
Manufacturer SKU:
2155
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.130" | 28.7mm
Caliber:
.30-378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
3.600" | 91.4mm
Seated Depth:
0.443" | 11.2mm
Shank Seated Depth:
0.278" | 7.1mm
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_B5876_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:15 - 1:12

Load data for 92 loads in caliber .30-378 Weath. Mag. with .308 | 155gr | Sierra HPBT MK bullet and 46 powders such as ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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 2209
<<locked>>
85%
57014
89%
**38
100%
ADI AR 2213 👍
<<locked>>
88%
57246
90%
**74
99%
ADI AR 2217
<<locked>>
97%
57101
89%
**68
99%
ADI AR 2218
<<locked>>
97%
50125
79%
**12
95%
ADI AR 2225
<<locked>>
97%
52620
82%
**25
100%
Accurate 3100
<<locked>>
88%
57101
89%
**73
100%
Accurate MAGPRO
<<locked>>
88%
57435
90%
**87
98%
Alliant Reloder-19
<<locked>>
86%
57421
90%
**35
100%
Alliant Reloder-22
<<locked>>
88%
57116
89%
**61
100%
Alliant Reloder-23
<<locked>>
89%
57000
89%
**02
100%
Alliant Reloder-25 👍
<<locked>>
93%
57363
90%
**71
100%
Alliant Reloder-26
<<locked>>
84%
57043
89%
**81
100%
Alliant Reloder-33
<<locked>>
97%
55448
87%
**81
96%
[Alliant Reloder-50]*
<<locked>>
97%
47514
74%
**04
93%
Hodgdon H1000
<<locked>>
97%
57101
89%
**68
99%
Hodgdon H4350
<<locked>>
84%
57058
89%
**89
100%
Hodgdon H4831
<<locked>>
91%
56985
89%
**22
99%
Hodgdon H4831 SC
<<locked>>
87%
56985
89%
**22
99%
Hodgdon Hybrid 100V
<<locked>>
83%
57101
89%
**53
100%
Hodgdon Retumbo
<<locked>>
97%
52620
82%
**25
100%
Hodgdon TrailBoss
<<locked>>
97%
36187
57%
**87
100%
IMR 4831
<<locked>>
85%
57290
90%
**82
100%
IMR 4955 Enduron
<<locked>>
88%
57217
90%
**99
99%
IMR 7828 SSC 👍
<<locked>>
87%
57203
90%
**78
99%
[IMR 7977 Enduron]*
<<locked>>
93%
57029
89%
**40
93%
IMR 8133 Enduron
<<locked>>
97%
48037
75%
**20
98%
[Lovex D100]*
<<locked>>
97%
57406
90%
**73
92%
Lovex S071
<<locked>>
93%
57232
90%
**66
100%
Norma 217
<<locked>>
97%
49211
77%
**63
100%
Norma MRP
<<locked>>
86%
57261
90%
**84
100%
Ramshot Magnum
<<locked>>
88%
57421
90%
**38
100%
ReloadSwiss RS 14
<<locked>>
97%
37014
58%
**29
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57392
90%
**33
100%
ReloadSwiss RS 80
<<locked>>
95%
56956
89%
**87
98%
Rottweil R 904
<<locked>>
85%
57116
89%
**09
99%
Rottweil R 905
<<locked>>
86%
57435
90%
**45
100%
Somchem S361
<<locked>>
84%
57174
90%
**63
99%
Somchem S385
<<locked>>
85%
57116
89%
**89
100%
Vihtavuori N165
<<locked>>
90%
57087
89%
**73
100%
[Vihtavuori N170]*
<<locked>>
97%
53432
84%
**30
94%
Vihtavuori N555
<<locked>>
86%
57406
90%
**05
100%
Vihtavuori N560 👍
<<locked>>
88%
56985
89%
**87
99%
Vihtavuori N565
<<locked>>
92%
57290
90%
**61
99%
Vihtavuori N568
<<locked>>
95%
57203
90%
**97
98%
Vihtavuori N570
<<locked>>
96%
57435
90%
**33
96%
Winchester StaBALL HD
<<locked>>
89%
57043
89%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49240
77%
**04
99%
ADI AR 2213
<<locked>>
81%
44411
70%
**22
96%
[ADI AR 2217]*
<<locked>>
81%
32996
52%
**13
92%
[ADI AR 2218]*
<<locked>>
92%
41568
65%
**92
90%
[ADI AR 2225]*
<<locked>>
81%
30255
47%
**71
94%
Accurate 3100
<<locked>>
81%
44991
70%
**43
99%
[Accurate MAGPRO]*
<<locked>>
81%
44570
70%
**15
94%
Alliant Reloder-19
<<locked>>
81%
49052
77%
**81
99%
Alliant Reloder-22
<<locked>>
81%
45208
71%
**38
98%
Alliant Reloder-23
<<locked>>
81%
43787
69%
**69
100%
Alliant Reloder-25
<<locked>>
81%
37797
59%
**81
99%
Alliant Reloder-26
<<locked>>
81%
49980
78%
**46
100%
[Alliant Reloder-33]*
<<locked>>
88%
39102
61%
**17
90%
[Alliant Reloder-50]*
<<locked>>
93%
40437
63%
**40
90%
[Hodgdon H1000]*
<<locked>>
81%
32996
52%
**13
92%
Hodgdon H4350
<<locked>>
81%
52272
82%
**04
100%
Hodgdon H4831
<<locked>>
81%
41365
65%
**00
95%
Hodgdon H4831 SC
<<locked>>
81%
46267
72%
**09
96%
Hodgdon Hybrid 100V
<<locked>>
81%
53214
83%
**94
100%
[Hodgdon Retumbo]*
<<locked>>
81%
30255
47%
**71
94%
Hodgdon TrailBoss
<<locked>>
81%
28790
45%
**13
100%
IMR 4831
<<locked>>
81%
50676
79%
**68
100%
IMR 4955 Enduron
<<locked>>
81%
45266
71%
**66
96%
IMR 7828 SSC
<<locked>>
81%
45963
72%
**61
97%
[IMR 7977 Enduron]*
<<locked>>
87%
47007
74%
**53
90%
[IMR 8133 Enduron]*
<<locked>>
84%
30937
48%
**87
90%
[Lovex D100]*
<<locked>>
94%
51459
81%
**68
90%
Lovex S071
<<locked>>
81%
38566
60%
**05
98%
[Norma 217]*
<<locked>>
81%
27702
43%
**89
91%
Norma MRP
<<locked>>
81%
48138
75%
**10
99%
Ramshot Magnum
<<locked>>
81%
42975
67%
**59
98%
ReloadSwiss RS 14
<<locked>>
81%
29544
46%
**52
100%
ReloadSwiss RS 76
<<locked>>
81%
36492
57%
**90
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
33910
53%
**76
90%
Rottweil R 904
<<locked>>
81%
49980
78%
**74
98%
Rottweil R 905
<<locked>>
81%
48762
76%
**81
99%
Somchem S361
<<locked>>
81%
51213
80%
**54
98%
Somchem S385
<<locked>>
81%
49240
77%
**58
99%
Vihtavuori N165
<<locked>>
81%
41785
65%
**84
98%
[Vihtavuori N170]*
<<locked>>
90%
42177
66%
**94
90%
Vihtavuori N555
<<locked>>
81%
48385
76%
**54
100%
Vihtavuori N560
<<locked>>
81%
45411
71%
**54
96%
[Vihtavuori N565]*
<<locked>>
81%
39639
62%
**84
94%
[Vihtavuori N568]*
<<locked>>
82%
35201
55%
**02
90%
[Vihtavuori N570]*
<<locked>>
87%
40422
63%
**59
90%
Winchester StaBALL HD
<<locked>>
81%
42192
66%
**28
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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