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Load data for .30-378 Weath. Mag. + .308 | 160gr | MRR Green Long Range

Recommended Powder(s): Hodgdon H4831, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N560, Winchester StaBALL HD

.30-378 Weath. Mag. + .308 | 160gr | MRR Green Long Range

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 160gr | MRR Green Long Range
Manufacturer SKU:
A1878
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.390" | 35.3mm
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:
0.703" | 17.9mm
Shank Seated Depth:
0.624" | 15.9mm
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_B10781_C333
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 90 loads in caliber .30-378 Weath. Mag. with .308 | 160gr | MRR Green Long Range bullet and 45 powders such as Hodgdon H4831, ReloadSwiss RS 76, ReloadSwiss RS 80, 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%
56869
89%
**96
100%
ADI AR 2213
<<locked>>
89%
57348
90%
**35
99%
ADI AR 2217
<<locked>>
97%
55564
87%
**05
99%
[ADI AR 2218]*
<<locked>>
97%
48559
76%
**43
94%
ADI AR 2225
<<locked>>
97%
50415
79%
**50
100%
Accurate 3100
<<locked>>
89%
57014
89%
**33
100%
Accurate MAGPRO
<<locked>>
89%
57203
90%
**41
98%
Alliant Reloder-19
<<locked>>
86%
56884
89%
**92
100%
Alliant Reloder-22
<<locked>>
89%
57174
90%
**22
100%
Alliant Reloder-23
<<locked>>
90%
57232
90%
**69
100%
Alliant Reloder-25
<<locked>>
94%
57406
90%
**41
100%
Alliant Reloder-26
<<locked>>
85%
57101
89%
**41
100%
Alliant Reloder-33
<<locked>>
97%
53200
83%
**99
96%
[Alliant Reloder-50]*
<<locked>>
97%
45382
71%
**31
93%
Hodgdon H1000
<<locked>>
97%
55564
87%
**05
99%
Hodgdon H4350
<<locked>>
84%
57159
90%
**36
100%
Hodgdon H4831 👍
<<locked>>
92%
57421
90%
**92
99%
Hodgdon H4831 SC
<<locked>>
88%
57072
89%
**79
99%
Hodgdon Hybrid 100V
<<locked>>
84%
57276
90%
**10
100%
Hodgdon Retumbo
<<locked>>
97%
50415
79%
**50
100%
Hodgdon TrailBoss
<<locked>>
97%
36143
57%
**37
100%
IMR 4831
<<locked>>
86%
57217
90%
**43
100%
IMR 4955 Enduron
<<locked>>
89%
57145
90%
**56
99%
IMR 7828 SSC
<<locked>>
88%
56898
89%
**41
99%
[IMR 7977 Enduron]*
<<locked>>
94%
57159
90%
**07
93%
IMR 8133 Enduron
<<locked>>
97%
46209
72%
**54
98%
Lovex S071
<<locked>>
94%
57290
90%
**30
100%
Norma 217
<<locked>>
97%
47094
74%
**87
99%
Norma MRP
<<locked>>
87%
57130
90%
**41
100%
Ramshot Magnum
<<locked>>
89%
56797
89%
**96
100%
ReloadSwiss RS 14
<<locked>>
96%
36753
58%
**77
100%
ReloadSwiss RS 76 👍
<<locked>>
94%
57058
89%
**01
100%
ReloadSwiss RS 80 👍
<<locked>>
96%
57261
90%
**71
99%
Rottweil R 904
<<locked>>
86%
57058
89%
**66
99%
Rottweil R 905
<<locked>>
86%
56826
89%
**82
100%
Somchem S361
<<locked>>
85%
56985
89%
**17
99%
Somchem S385
<<locked>>
86%
57043
89%
**56
100%
Vihtavuori N165
<<locked>>
91%
57305
90%
**36
100%
[Vihtavuori N170]*
<<locked>>
97%
51590
81%
**58
94%
Vihtavuori N555
<<locked>>
87%
56797
89%
**69
100%
Vihtavuori N560 👍
<<locked>>
89%
57334
90%
**45
99%
Vihtavuori N565
<<locked>>
92%
56898
89%
**09
99%
Vihtavuori N568
<<locked>>
96%
57101
89%
**64
98%
Vihtavuori N570
<<locked>>
97%
57174
90%
**04
97%
Winchester StaBALL HD 👍
<<locked>>
90%
57043
89%
**55
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48037
75%
**35
99%
ADI AR 2213
<<locked>>
81%
43149
68%
**53
96%
[ADI AR 2217]*
<<locked>>
81%
32082
50%
**54
91%
[ADI AR 2218]*
<<locked>>
92%
40930
64%
**46
90%
[ADI AR 2225]*
<<locked>>
81%
29312
46%
**05
93%
Accurate 3100
<<locked>>
81%
43743
69%
**87
99%
[Accurate MAGPRO]*
<<locked>>
81%
43105
68%
**53
94%
Alliant Reloder-19
<<locked>>
81%
47819
75%
**25
99%
Alliant Reloder-22
<<locked>>
81%
43816
69%
**66
98%
Alliant Reloder-23
<<locked>>
81%
42438
67%
**04
100%
Alliant Reloder-25
<<locked>>
81%
36593
57%
**22
99%
Alliant Reloder-26
<<locked>>
81%
48283
76%
**91
100%
[Alliant Reloder-33]*
<<locked>>
88%
38609
61%
**81
90%
[Alliant Reloder-50]*
<<locked>>
94%
40364
63%
**10
90%
[Hodgdon H1000]*
<<locked>>
81%
32082
50%
**54
91%
Hodgdon H4350
<<locked>>
81%
51242
80%
**41
100%
Hodgdon H4831
<<locked>>
81%
40364
63%
**48
95%
Hodgdon H4831 SC
<<locked>>
81%
45150
71%
**56
96%
Hodgdon Hybrid 100V
<<locked>>
81%
51619
81%
**28
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29312
46%
**05
93%
Hodgdon TrailBoss
<<locked>>
81%
28761
45%
**67
100%
IMR 4831
<<locked>>
81%
49414
77%
**12
100%
IMR 4955 Enduron
<<locked>>
81%
44324
69%
**00
96%
IMR 7828 SSC
<<locked>>
81%
44498
70%
**99
97%
[IMR 7977 Enduron]*
<<locked>>
88%
47123
74%
**10
90%
[IMR 8133 Enduron]*
<<locked>>
85%
30472
48%
**41
90%
Lovex S071
<<locked>>
81%
37666
59%
**46
98%
[Norma 217]*
<<locked>>
81%
26803
42%
**43
90%
Norma MRP
<<locked>>
81%
46731
73%
**41
99%
Ramshot Magnum
<<locked>>
81%
41611
65%
**07
98%
ReloadSwiss RS 14
<<locked>>
81%
29385
46%
**09
100%
ReloadSwiss RS 76
<<locked>>
81%
35172
55%
**18
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
33344
52%
**36
90%
Rottweil R 904
<<locked>>
81%
48704
76%
**02
98%
Rottweil R 905
<<locked>>
81%
47427
74%
**09
98%
Somchem S361
<<locked>>
81%
49908
78%
**99
98%
Somchem S385
<<locked>>
81%
48080
75%
**92
99%
Vihtavuori N165
<<locked>>
81%
40596
64%
**25
97%
[Vihtavuori N170]*
<<locked>>
90%
41814
66%
**51
90%
Vihtavuori N555
<<locked>>
81%
47210
74%
**95
100%
Vihtavuori N560
<<locked>>
81%
43961
69%
**89
96%
[Vihtavuori N565]*
<<locked>>
81%
38334
60%
**25
94%
[Vihtavuori N568]*
<<locked>>
82%
34403
54%
**62
90%
[Vihtavuori N570]*
<<locked>>
87%
40292
63%
**33
90%
Winchester StaBALL HD
<<locked>>
81%
40466
63%
**53
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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