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Load data for .30-378 Weath. Mag. + .308 | 170gr | Norma SPFN

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Norma 217

.30-378 Weath. Mag. + .308 | 170gr | Norma SPFN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Norma SPFN
Manufacturer SKU:
67631
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.975" | 24.8mm
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:
0.288" | 7.3mm
Shank Seated Depth:
0.288" | 7.3mm
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_B3866_C333
Last updated:
2025-01-01

Load data for 88 loads in caliber .30-378 Weath. Mag. with .308 | 170gr | Norma SPFN bullet and 44 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Norma 217. 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>>
83%
57305
90%
**30
100%
ADI AR 2213
<<locked>>
86%
57232
90%
**63
100%
ADI AR 2217 👍
<<locked>>
94%
57290
90%
**53
100%
ADI AR 2218
<<locked>>
97%
55579
87%
**32
98%
ADI AR 2225 👍
<<locked>>
96%
57087
89%
**73
100%
Accurate 3100
<<locked>>
86%
57363
90%
**54
100%
[Accurate 8700]*
<<locked>>
97%
44150
69%
**84
93%
Accurate MAGPRO
<<locked>>
85%
57087
89%
**66
99%
Alliant Reloder-19
<<locked>>
83%
57276
90%
**23
100%
Alliant Reloder-22
<<locked>>
85%
57174
90%
**43
100%
Alliant Reloder-23
<<locked>>
86%
57276
90%
**81
100%
Alliant Reloder-25
<<locked>>
90%
57290
90%
**46
100%
Alliant Reloder-33
<<locked>>
95%
57072
89%
**96
98%
Alliant Reloder-50
<<locked>>
97%
53447
84%
**04
96%
Hodgdon H1000 👍
<<locked>>
94%
57290
90%
**53
100%
Hodgdon H4831
<<locked>>
88%
57174
90%
**00
99%
Hodgdon H4831 SC
<<locked>>
85%
57174
90%
**00
99%
Hodgdon Retumbo 👍
<<locked>>
96%
57087
89%
**73
100%
Hodgdon TrailBoss
<<locked>>
97%
36245
57%
**05
100%
IMR 4955 Enduron
<<locked>>
86%
57145
90%
**81
99%
IMR 7828 SSC
<<locked>>
85%
57276
90%
**66
100%
IMR 7977 Enduron
<<locked>>
91%
57406
90%
**54
95%
IMR 8133 Enduron
<<locked>>
97%
53359
84%
**07
99%
[Lovex D100]*
<<locked>>
94%
57130
90%
**64
93%
Lovex S071
<<locked>>
90%
57217
90%
**45
100%
Norma 217 👍
<<locked>>
97%
55114
86%
**46
100%
Norma MRP
<<locked>>
83%
57101
89%
**59
100%
[Ramshot LRT]*
<<locked>>
97%
54926
86%
**33
92%
Ramshot Magnum
<<locked>>
86%
57435
90%
**20
100%
ReloadSwiss RS 14
<<locked>>
96%
37086
58%
**47
100%
ReloadSwiss RS 76
<<locked>>
90%
57363
90%
**15
100%
ReloadSwiss RS 80
<<locked>>
92%
57363
90%
**89
99%
Rottweil R 905
<<locked>>
83%
57217
90%
**07
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
46485
73%
**17
94%
Somchem S385
<<locked>>
83%
56985
89%
**68
100%
[Vihtavuori 24N41]*
<<locked>>
97%
55898
88%
**04
92%
Vihtavuori N165
<<locked>>
88%
57377
90%
**64
100%
Vihtavuori N170
<<locked>>
96%
57116
89%
**87
96%
Vihtavuori N555
<<locked>>
83%
56956
89%
**77
100%
Vihtavuori N560
<<locked>>
85%
57072
89%
**73
99%
Vihtavuori N565
<<locked>>
89%
57203
90%
**36
99%
Vihtavuori N568
<<locked>>
92%
57377
90%
**86
99%
Vihtavuori N570
<<locked>>
93%
57101
89%
**15
97%
Winchester StaBALL HD
<<locked>>
86%
56985
89%
**53
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
53243
83%
**48
100%
ADI AR 2213
<<locked>>
81%
48515
76%
**02
98%
ADI AR 2217
<<locked>>
81%
36187
57%
**17
95%
[ADI AR 2218]*
<<locked>>
87%
38435
60%
**12
90%
ADI AR 2225
<<locked>>
81%
33359
52%
**67
97%
Accurate 3100
<<locked>>
81%
49008
77%
**13
100%
[Accurate 8700]*
<<locked>>
93%
38087
60%
**40
90%
Accurate MAGPRO
<<locked>>
81%
48675
76%
**95
97%
Alliant Reloder-19
<<locked>>
81%
52997
83%
**41
100%
Alliant Reloder-22
<<locked>>
81%
49313
77%
**95
99%
Alliant Reloder-23
<<locked>>
81%
47892
75%
**30
100%
Alliant Reloder-25
<<locked>>
81%
41843
66%
**64
100%
[Alliant Reloder-33]*
<<locked>>
83%
36680
57%
**46
90%
[Alliant Reloder-50]*
<<locked>>
88%
37956
59%
**69
90%
Hodgdon H1000
<<locked>>
81%
36187
57%
**17
95%
Hodgdon H4831
<<locked>>
81%
44962
70%
**77
97%
Hodgdon H4831 SC
<<locked>>
81%
50096
79%
**79
98%
Hodgdon Retumbo
<<locked>>
81%
33359
52%
**67
97%
Hodgdon TrailBoss
<<locked>>
81%
28964
45%
**37
100%
IMR 4955 Enduron
<<locked>>
81%
48689
76%
**30
98%
IMR 7828 SSC
<<locked>>
81%
50328
79%
**38
99%
[IMR 7977 Enduron]*
<<locked>>
83%
43497
68%
**79
90%
[IMR 8133 Enduron]*
<<locked>>
81%
30806
48%
**85
92%
[Lovex D100]*
<<locked>>
89%
47442
74%
**90
90%
Lovex S071
<<locked>>
81%
42264
66%
**76
100%
Norma 217
<<locked>>
81%
31140
49%
**98
95%
Norma MRP
<<locked>>
81%
52605
82%
**77
100%
[Ramshot LRT]*
<<locked>>
94%
49763
78%
**31
90%
Ramshot Magnum
<<locked>>
81%
47616
75%
**53
100%
ReloadSwiss RS 14
<<locked>>
81%
29791
47%
**83
100%
ReloadSwiss RS 76
<<locked>>
81%
40669
64%
**84
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
37434
59%
**59
93%
Rottweil R 905
<<locked>>
81%
52924
83%
**48
100%
[SNPE Vectan SP 13]*
<<locked>>
91%
38174
60%
**30
90%
Somchem S385
<<locked>>
81%
53214
83%
**15
100%
[Vihtavuori 24N41]*
<<locked>>
94%
49806
78%
**89
90%
Vihtavuori N165
<<locked>>
81%
45426
71%
**54
99%
[Vihtavuori N170]*
<<locked>>
85%
39160
61%
**20
90%
Vihtavuori N555
<<locked>>
81%
52779
83%
**15
100%
Vihtavuori N560
<<locked>>
81%
49574
78%
**31
98%
Vihtavuori N565
<<locked>>
81%
43511
68%
**74
97%
[Vihtavuori N568]*
<<locked>>
81%
38537
60%
**92
93%
[Vihtavuori N570]*
<<locked>>
82%
37811
59%
**92
90%
Winchester StaBALL HD
<<locked>>
81%
47326
74%
**89
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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