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Load data for .30-378 Weath. Mag. + .308 | 158gr | MRR Green Sport

Recommended Powder(s): ADI AR 2213, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560, Winchester StaBALL HD

.30-378 Weath. Mag. + .308 | 158gr | MRR Green Sport

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 158gr | MRR Green Sport
Manufacturer SKU:
A1909
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.300" | 33.0mm
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:
0.613" | 15.6mm
Shank Seated Depth:
0.534" | 13.6mm
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_B10784_C333
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 90 loads in caliber .30-378 Weath. Mag. with .308 | 158gr | MRR Green Sport bullet and 45 powders such as ADI AR 2213, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560, Winchester StaBALL HD. 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>>
86%
56971
89%
**22
100%
ADI AR 2213 👍
<<locked>>
89%
56956
89%
**48
99%
ADI AR 2217
<<locked>>
97%
55854
88%
**25
99%
[ADI AR 2218]*
<<locked>>
97%
48733
76%
**63
94%
ADI AR 2225
<<locked>>
97%
51024
80%
**79
100%
Accurate 3100
<<locked>>
89%
57406
90%
**53
100%
Accurate MAGPRO
<<locked>>
89%
57421
90%
**51
98%
Alliant Reloder-19
<<locked>>
86%
57319
90%
**12
100%
Alliant Reloder-22
<<locked>>
89%
57305
90%
**41
100%
Alliant Reloder-23
<<locked>>
90%
57290
90%
**79
100%
Alliant Reloder-25
<<locked>>
93%
56942
89%
**38
100%
Alliant Reloder-26
<<locked>>
85%
57072
89%
**48
100%
Alliant Reloder-33
<<locked>>
97%
54302
85%
**41
96%
[Alliant Reloder-50]*
<<locked>>
97%
46296
73%
**61
93%
Hodgdon H1000
<<locked>>
97%
55854
88%
**25
99%
Hodgdon H4350
<<locked>>
84%
57334
90%
**66
100%
Hodgdon H4831
<<locked>>
91%
57435
90%
**96
99%
Hodgdon H4831 SC
<<locked>>
88%
57188
90%
**02
99%
Hodgdon Hybrid 100V
<<locked>>
84%
57029
89%
**30
100%
Hodgdon Retumbo
<<locked>>
97%
51024
80%
**79
100%
Hodgdon TrailBoss
<<locked>>
96%
35839
56%
**51
100%
IMR 4831
<<locked>>
86%
57435
90%
**59
100%
IMR 4955 Enduron
<<locked>>
89%
57203
90%
**63
99%
IMR 7828 SSC 👍
<<locked>>
88%
57276
90%
**58
99%
[IMR 7977 Enduron]*
<<locked>>
94%
57130
90%
**23
93%
IMR 8133 Enduron
<<locked>>
97%
46673
73%
**77
98%
Lovex S071
<<locked>>
94%
57406
90%
**53
100%
Norma 217
<<locked>>
97%
47790
75%
**07
99%
Norma MRP
<<locked>>
87%
57232
90%
**61
100%
Ramshot Magnum
<<locked>>
89%
57246
90%
**09
100%
ReloadSwiss RS 14
<<locked>>
97%
37043
58%
**03
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57421
90%
**27
100%
ReloadSwiss RS 80
<<locked>>
96%
57043
89%
**71
98%
Rottweil R 904
<<locked>>
86%
57174
90%
**76
99%
Rottweil R 905
<<locked>>
86%
56927
89%
**09
100%
Somchem S361
<<locked>>
85%
57276
90%
**33
99%
Somchem S385
<<locked>>
86%
57363
90%
**69
100%
Vihtavuori N165
<<locked>>
91%
56898
89%
**50
100%
[Vihtavuori N170]*
<<locked>>
97%
51953
81%
**77
94%
Vihtavuori N555
<<locked>>
87%
57203
90%
**86
100%
Vihtavuori N560 👍
<<locked>>
88%
56942
89%
**58
99%
Vihtavuori N565
<<locked>>
92%
57101
89%
**35
99%
Vihtavuori N568
<<locked>>
95%
57043
89%
**74
98%
Vihtavuori N570
<<locked>>
97%
57217
90%
**14
96%
Winchester StaBALL HD 👍
<<locked>>
90%
56898
89%
**74
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48283
76%
**51
98%
ADI AR 2213
<<locked>>
81%
43453
68%
**86
96%
[ADI AR 2217]*
<<locked>>
81%
32271
51%
**71
91%
[ADI AR 2218]*
<<locked>>
92%
40973
64%
**66
90%
[ADI AR 2225]*
<<locked>>
81%
29544
46%
**28
93%
Accurate 3100
<<locked>>
81%
44193
69%
**17
99%
[Accurate MAGPRO]*
<<locked>>
81%
43511
68%
**76
94%
Alliant Reloder-19
<<locked>>
81%
48240
76%
**54
99%
Alliant Reloder-22
<<locked>>
81%
44121
69%
**82
98%
Alliant Reloder-23
<<locked>>
81%
42728
67%
**36
100%
Alliant Reloder-25
<<locked>>
81%
36811
58%
**38
99%
Alliant Reloder-26
<<locked>>
81%
48762
76%
**10
100%
[Alliant Reloder-33]*
<<locked>>
88%
39073
61%
**07
90%
[Alliant Reloder-50]*
<<locked>>
94%
40712
64%
**23
90%
[Hodgdon H1000]*
<<locked>>
81%
32271
51%
**71
91%
Hodgdon H4350
<<locked>>
81%
51503
81%
**61
100%
Hodgdon H4831
<<locked>>
81%
40625
64%
**67
95%
Hodgdon H4831 SC
<<locked>>
81%
45339
71%
**69
96%
Hodgdon Hybrid 100V
<<locked>>
81%
51938
81%
**48
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29544
46%
**28
93%
Hodgdon TrailBoss
<<locked>>
81%
28645
45%
**80
100%
IMR 4831
<<locked>>
81%
49734
78%
**31
100%
IMR 4955 Enduron
<<locked>>
81%
44556
70%
**20
96%
IMR 7828 SSC
<<locked>>
81%
45005
71%
**25
97%
[IMR 7977 Enduron]*
<<locked>>
88%
47239
74%
**33
90%
[IMR 8133 Enduron]*
<<locked>>
85%
30879
48%
**64
90%
Lovex S071
<<locked>>
81%
37898
59%
**66
98%
[Norma 217]*
<<locked>>
81%
27093
42%
**59
90%
Norma MRP
<<locked>>
81%
46876
73%
**68
99%
Ramshot Magnum
<<locked>>
81%
41989
66%
**27
98%
ReloadSwiss RS 14
<<locked>>
81%
29443
46%
**26
100%
ReloadSwiss RS 76
<<locked>>
81%
35505
56%
**41
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
33837
53%
**56
90%
Rottweil R 904
<<locked>>
81%
48950
77%
**31
98%
Rottweil R 905
<<locked>>
81%
47674
75%
**38
99%
Somchem S361
<<locked>>
81%
50285
79%
**18
98%
Somchem S385
<<locked>>
81%
48283
76%
**09
99%
Vihtavuori N165
<<locked>>
81%
40814
64%
**41
97%
[Vihtavuori N170]*
<<locked>>
90%
42293
66%
**71
90%
Vihtavuori N555
<<locked>>
81%
47514
74%
**12
100%
Vihtavuori N560
<<locked>>
81%
44251
69%
**05
96%
[Vihtavuori N565]*
<<locked>>
81%
38696
61%
**48
94%
[Vihtavuori N568]*
<<locked>>
82%
34867
55%
**82
90%
[Vihtavuori N570]*
<<locked>>
87%
40335
63%
**46
90%
Winchester StaBALL HD
<<locked>>
81%
40944
64%
**79
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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