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Load data for .30-378 Weath. Mag. + .308 | 152gr | Remington SP Extended-Range

Recommended Powder(s): Alliant Reloder-22, Hodgdon H4831, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.30-378 Weath. Mag. + .308 | 152gr | Remington SP Extended-Range

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 152gr | Remington SP Extended-Range
Bullet Weight:
152gr | 9.8g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
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:
0.313" | 7.9mm
Shank Seated Depth:
0.313" | 7.9mm
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_B5168_C333
Last updated:
2025-01-01

Load data for 92 loads in caliber .30-378 Weath. Mag. with .308 | 152gr | Remington SP Extended-Range bullet and 46 powders such as Alliant Reloder-22, Hodgdon H4831, 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%
56985
89%
**58
100%
ADI AR 2213
<<locked>>
88%
57087
89%
**87
99%
ADI AR 2217
<<locked>>
97%
57101
89%
**87
99%
[ADI AR 2218]*
<<locked>>
97%
50256
79%
**32
94%
ADI AR 2225
<<locked>>
97%
52576
82%
**38
100%
Accurate 3100
<<locked>>
88%
57363
90%
**92
100%
Accurate MAGPRO
<<locked>>
88%
57130
90%
**91
98%
Alliant Reloder-19
<<locked>>
86%
57363
90%
**68
100%
Alliant Reloder-22 👍
<<locked>>
88%
57421
90%
**97
100%
Alliant Reloder-23
<<locked>>
89%
56913
89%
**22
100%
Alliant Reloder-25
<<locked>>
93%
57116
89%
**81
100%
Alliant Reloder-26
<<locked>>
84%
56826
89%
**94
100%
Alliant Reloder-33
<<locked>>
97%
56188
88%
**10
96%
[Alliant Reloder-50]*
<<locked>>
97%
47616
75%
**20
93%
Hodgdon H1000
<<locked>>
97%
57101
89%
**87
99%
Hodgdon H4350
<<locked>>
84%
57116
90%
**15
100%
Hodgdon H4831 👍
<<locked>>
91%
57319
90%
**45
99%
Hodgdon H4831 SC
<<locked>>
87%
57319
90%
**45
99%
Hodgdon Hybrid 100V
<<locked>>
83%
56956
89%
**69
100%
Hodgdon Retumbo
<<locked>>
97%
52576
82%
**38
100%
Hodgdon TrailBoss
<<locked>>
97%
35969
56%
**03
100%
IMR 4831
<<locked>>
85%
57145
90%
**99
100%
IMR 4955 Enduron
<<locked>>
88%
56956
89%
**09
99%
IMR 7828 SSC 👍
<<locked>>
87%
57014
89%
**07
99%
[IMR 7977 Enduron]*
<<locked>>
93%
57130
90%
**63
93%
IMR 8133 Enduron
<<locked>>
97%
48298
76%
**36
98%
[Lovex D100]*
<<locked>>
97%
57043
89%
**86
92%
Lovex S071
<<locked>>
93%
57101
89%
**96
100%
Norma 217
<<locked>>
97%
49139
77%
**69
99%
Norma MRP
<<locked>>
86%
57232
90%
**01
100%
Ramshot Magnum
<<locked>>
88%
57406
90%
**58
100%
ReloadSwiss RS 14
<<locked>>
96%
36753
58%
**46
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57014
89%
**50
100%
ReloadSwiss RS 80
<<locked>>
95%
57145
90%
**10
98%
Rottweil R 904
<<locked>>
85%
57348
90%
**25
99%
Rottweil R 905
<<locked>>
86%
57029
89%
**48
100%
Somchem S361
<<locked>>
84%
57014
89%
**76
99%
Somchem S385
<<locked>>
85%
57029
89%
**05
100%
Vihtavuori N165
<<locked>>
91%
57276
90%
**02
100%
[Vihtavuori N170]*
<<locked>>
97%
53417
84%
**46
94%
Vihtavuori N555
<<locked>>
86%
57392
90%
**28
100%
Vihtavuori N560 👍
<<locked>>
88%
57043
89%
**10
99%
Vihtavuori N565
<<locked>>
92%
57101
89%
**68
99%
Vihtavuori N568
<<locked>>
95%
56985
89%
**17
98%
Vihtavuori N570
<<locked>>
96%
57261
90%
**40
96%
Winchester StaBALL HD
<<locked>>
89%
57174
90%
**14
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49226
77%
**10
98%
ADI AR 2213
<<locked>>
81%
44367
70%
**41
96%
[ADI AR 2217]*
<<locked>>
81%
32909
52%
**23
91%
[ADI AR 2218]*
<<locked>>
92%
41814
66%
**18
90%
[ADI AR 2225]*
<<locked>>
81%
30240
47%
**80
93%
Accurate 3100
<<locked>>
81%
45078
71%
**69
99%
[Accurate MAGPRO]*
<<locked>>
81%
44512
70%
**28
94%
Alliant Reloder-19
<<locked>>
81%
49023
77%
**00
98%
Alliant Reloder-22
<<locked>>
81%
45063
71%
**54
98%
Alliant Reloder-23
<<locked>>
81%
43714
68%
**92
100%
Alliant Reloder-25
<<locked>>
81%
37884
59%
**04
99%
Alliant Reloder-26
<<locked>>
81%
49893
78%
**76
100%
[Alliant Reloder-33]*
<<locked>>
88%
40176
63%
**59
90%
[Alliant Reloder-50]*
<<locked>>
93%
41263
65%
**69
90%
[Hodgdon H1000]*
<<locked>>
81%
32909
52%
**23
91%
Hodgdon H4350
<<locked>>
81%
52388
82%
**17
100%
Hodgdon H4831
<<locked>>
81%
41495
65%
**27
95%
Hodgdon H4831 SC
<<locked>>
81%
46325
73%
**31
96%
Hodgdon Hybrid 100V
<<locked>>
81%
53026
83%
**10
100%
[Hodgdon Retumbo]*
<<locked>>
81%
30240
47%
**80
93%
Hodgdon TrailBoss
<<locked>>
81%
28689
45%
**26
100%
IMR 4831
<<locked>>
81%
50517
79%
**84
100%
IMR 4955 Enduron
<<locked>>
81%
45107
71%
**79
96%
IMR 7828 SSC
<<locked>>
81%
45977
72%
**81
97%
[IMR 7977 Enduron]*
<<locked>>
88%
48109
75%
**89
90%
[IMR 8133 Enduron]*
<<locked>>
85%
31227
49%
**03
90%
[Lovex D100]*
<<locked>>
94%
51648
81%
**91
90%
Lovex S071
<<locked>>
81%
38754
61%
**25
98%
[Norma 217]*
<<locked>>
81%
27789
44%
**12
90%
Norma MRP
<<locked>>
81%
48124
75%
**30
99%
Ramshot Magnum
<<locked>>
81%
43178
68%
**89
98%
ReloadSwiss RS 14
<<locked>>
81%
29443
46%
**72
100%
ReloadSwiss RS 76
<<locked>>
81%
36419
57%
**00
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
34272
54%
**05
90%
Rottweil R 904
<<locked>>
81%
49777
78%
**87
98%
Rottweil R 905
<<locked>>
81%
48646
76%
**94
99%
Somchem S361
<<locked>>
81%
51155
80%
**74
98%
Somchem S385
<<locked>>
81%
49298
77%
**68
99%
Vihtavuori N165
<<locked>>
81%
41597
65%
**94
97%
[Vihtavuori N170]*
<<locked>>
90%
43004
67%
**23
90%
Vihtavuori N555
<<locked>>
81%
48515
76%
**84
100%
Vihtavuori N560
<<locked>>
81%
45237
71%
**61
96%
[Vihtavuori N565]*
<<locked>>
81%
39566
62%
**00
94%
[Vihtavuori N568]*
<<locked>>
82%
35520
56%
**28
90%
[Vihtavuori N570]*
<<locked>>
87%
40915
64%
**95
90%
Winchester StaBALL HD
<<locked>>
81%
42206
66%
**48
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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