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Load data for .30-378 Weath. Mag. + .308 | 178gr | Remington SP Extended-Range

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Recommended Powder(s):

.30-378 Weath. Mag. + .308 | 178gr | Remington SP Extended-Range

Load Specifications

Bullet:
.308 | 178gr | Remington SP Extended-Range
Bullet Weight:
178gr | 11.5g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.30-378 Weath. Mag.
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_B5173_C333

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

Load data for 78 loads in caliber .30-378 Weath. Mag. with .308 | 178gr | Remington SP Extended-Range bullet and 39 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".

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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 2213
<<locked>>
85%
57392
90%
**97
100%
ADI AR 2217
<<locked>>
93%
57406
90%
**97
100%
ADI AR 2218
<<locked>>
97%
56898
89%
**89
98%
ADI AR 2225 👍
<<locked>>
95%
57421
90%
**17
100%
Accurate 3100
<<locked>>
85%
57130
90%
**89
100%
Accurate 8700
<<locked>>
97%
46006
72%
**71
95%
Accurate MAGPRO
<<locked>>
85%
57363
90%
**04
99%
Alliant Reloder-22
<<locked>>
84%
56869
89%
**84
100%
Alliant Reloder-23
<<locked>>
86%
57377
90%
**22
100%
Alliant Reloder-25
<<locked>>
89%
57159
90%
**74
100%
Alliant Reloder-33
<<locked>>
94%
56956
89%
**40
98%
Alliant Reloder-50
<<locked>>
97%
55506
87%
**97
97%
Hodgdon H1000
<<locked>>
93%
57406
90%
**97
100%
Hodgdon H4831
<<locked>>
88%
57334
90%
**51
100%
Hodgdon H4831 SC
<<locked>>
84%
57334
90%
**51
100%
Hodgdon Retumbo 👍
<<locked>>
95%
57421
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
97%
36303
57%
**62
100%
IMR 4955 Enduron
<<locked>>
85%
57014
89%
**22
100%
IMR 7828 SSC
<<locked>>
84%
57014
89%
**07
100%
IMR 7977 Enduron
<<locked>>
90%
57232
90%
**99
95%
IMR 8133 Enduron
<<locked>>
97%
55521
87%
**81
100%
[Lovex D100]*
<<locked>>
93%
57014
89%
**22
94%
Lovex S071
<<locked>>
90%
57406
90%
**99
100%
Norma 217 👍
<<locked>>
97%
56942
89%
**10
100%
[Ramshot LRT]*
<<locked>>
97%
57130
90%
**20
93%
Ramshot Magnum
<<locked>>
85%
57363
90%
**51
100%
ReloadSwiss RS 14
<<locked>>
96%
37173
58%
**05
100%
ReloadSwiss RS 76
<<locked>>
89%
56811
89%
**36
100%
ReloadSwiss RS 80 👍
<<locked>>
91%
57145
90%
**27
99%
SNPE Vectan SP 13
<<locked>>
97%
48051
75%
**00
95%
[Vihtavuori 20N29]*
<<locked>>
97%
46325
73%
**64
92%
[Vihtavuori 24N41]*
<<locked>>
97%
56985
89%
**84
93%
Vihtavuori N165
<<locked>>
87%
57348
90%
**05
100%
Vihtavuori N170
<<locked>>
96%
57217
90%
**35
97%
Vihtavuori N560
<<locked>>
84%
57145
90%
**17
100%
Vihtavuori N565
<<locked>>
88%
56956
89%
**77
100%
Vihtavuori N568 👍
<<locked>>
91%
57246
90%
**30
99%
Vihtavuori N570
<<locked>>
92%
56811
89%
**50
98%
Winchester StaBALL HD
<<locked>>
85%
57290
90%
**94
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
50009
78%
**76
99%
ADI AR 2217
<<locked>>
81%
37275
58%
**90
96%
[ADI AR 2218]*
<<locked>>
85%
36941
58%
**30
90%
ADI AR 2225
<<locked>>
81%
34548
54%
**64
98%
Accurate 3100
<<locked>>
81%
50546
79%
**87
100%
[Accurate 8700]*
<<locked>>
91%
36535
57%
**64
90%
Accurate MAGPRO
<<locked>>
81%
50372
79%
**82
98%
Alliant Reloder-22
<<locked>>
81%
50676
79%
**66
100%
Alliant Reloder-23
<<locked>>
81%
49342
77%
**97
100%
Alliant Reloder-25
<<locked>>
81%
43410
68%
**44
100%
[Alliant Reloder-33]*
<<locked>>
81%
35244
55%
**67
90%
[Alliant Reloder-50]*
<<locked>>
86%
36796
58%
**94
90%
Hodgdon H1000
<<locked>>
81%
37275
58%
**90
96%
Hodgdon H4831
<<locked>>
81%
46311
73%
**54
98%
Hodgdon H4831 SC
<<locked>>
81%
51590
81%
**53
99%
Hodgdon Retumbo
<<locked>>
81%
34548
54%
**64
98%
Hodgdon TrailBoss
<<locked>>
81%
29008
45%
**98
100%
IMR 4955 Enduron
<<locked>>
81%
49661
78%
**87
99%
IMR 7828 SSC
<<locked>>
81%
52054
82%
**18
99%
[IMR 7977 Enduron]*
<<locked>>
81%
42221
66%
**03
90%
[IMR 8133 Enduron]*
<<locked>>
81%
32097
50%
**66
93%
[Lovex D100]*
<<locked>>
87%
45759
72%
**05
90%
Lovex S071
<<locked>>
81%
43598
68%
**49
100%
Norma 217
<<locked>>
81%
32547
51%
**95
96%
[Ramshot LRT]*
<<locked>>
92%
47645
75%
**46
90%
Ramshot Magnum
<<locked>>
81%
49443
77%
**23
100%
ReloadSwiss RS 14
<<locked>>
81%
29834
47%
**41
100%
ReloadSwiss RS 76
<<locked>>
81%
42206
66%
**71
100%
ReloadSwiss RS 80
<<locked>>
81%
38856
61%
**59
95%
[SNPE Vectan SP 13]*
<<locked>>
89%
36724
58%
**44
90%
[Vihtavuori 20N29]*
<<locked>>
94%
41843
66%
**76
90%
[Vihtavuori 24N41]*
<<locked>>
92%
47964
75%
**07
90%
Vihtavuori N165
<<locked>>
81%
46499
73%
**15
99%
[Vihtavuori N170]*
<<locked>>
83%
37826
59%
**38
90%
Vihtavuori N560
<<locked>>
81%
50995
80%
**99
99%
Vihtavuori N565
<<locked>>
81%
44947
70%
**58
98%
Vihtavuori N568
<<locked>>
81%
39798
62%
**69
95%
[Vihtavuori N570]*
<<locked>>
81%
38232
60%
**49
91%
Winchester StaBALL HD
<<locked>>
81%
49356
77%
**69
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.

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