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Load data for .30-378 Weath. Mag. + .308 | 170gr | Remington SP Core-Lokt

Recommended Powder(s):

.30-378 Weath. Mag. + .308 | 170gr | Remington SP Core-Lokt

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Remington SP Core-Lokt
Bullet Weight:
170gr | 11.0g
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_B5171_C333
Last updated:
2025-01-01

Load data for 90 loads in caliber .30-378 Weath. Mag. with .308 | 170gr | Remington SP Core-Lokt bullet and 45 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".

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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 2209
<<locked>>
83%
57101
89%
**27
100%
ADI AR 2213
<<locked>>
86%
57145
90%
**63
100%
ADI AR 2217 👍
<<locked>>
94%
56855
89%
**43
100%
ADI AR 2218
<<locked>>
97%
55245
87%
**19
98%
ADI AR 2225 👍
<<locked>>
96%
57305
90%
**86
100%
Accurate 3100
<<locked>>
86%
57290
90%
**54
100%
[Accurate 8700]*
<<locked>>
97%
44063
69%
**87
93%
Accurate MAGPRO
<<locked>>
85%
57043
89%
**50
99%
Alliant Reloder-19
<<locked>>
83%
57072
89%
**20
100%
Alliant Reloder-22
<<locked>>
85%
56985
89%
**40
100%
Alliant Reloder-23
<<locked>>
86%
57174
90%
**81
100%
Alliant Reloder-25
<<locked>>
90%
56971
89%
**43
100%
Alliant Reloder-33
<<locked>>
95%
57217
90%
**96
98%
Alliant Reloder-50
<<locked>>
97%
53098
83%
**10
96%
Hodgdon H1000 👍
<<locked>>
94%
56855
89%
**43
100%
Hodgdon H4831
<<locked>>
88%
57087
89%
**00
99%
Hodgdon H4831 SC
<<locked>>
85%
57087
89%
**00
99%
Hodgdon Retumbo 👍
<<locked>>
96%
57305
90%
**86
100%
Hodgdon TrailBoss
<<locked>>
97%
36216
57%
**01
100%
IMR 4955 Enduron
<<locked>>
86%
57406
90%
**94
99%
IMR 7828 SSC
<<locked>>
85%
57203
90%
**66
100%
IMR 7977 Enduron
<<locked>>
91%
57058
89%
**41
95%
IMR 8133 Enduron
<<locked>>
97%
53330
84%
**10
99%
[Lovex D100]*
<<locked>>
94%
57188
90%
**68
93%
Lovex S071
<<locked>>
91%
57145
90%
**45
100%
Norma 217
<<locked>>
97%
54578
86%
**23
100%
Norma MRP
<<locked>>
84%
57377
90%
**63
100%
[Ramshot LRT]*
<<locked>>
97%
54969
86%
**40
92%
Ramshot Magnum
<<locked>>
86%
57276
90%
**20
100%
ReloadSwiss RS 14
<<locked>>
96%
37057
58%
**44
100%
ReloadSwiss RS 76 👍
<<locked>>
90%
57043
89%
**99
100%
ReloadSwiss RS 80
<<locked>>
92%
56971
89%
**79
99%
Rottweil R 904
<<locked>>
83%
57334
90%
**97
100%
Rottweil R 905
<<locked>>
83%
57000
89%
**14
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
46166
72%
**07
94%
Somchem S385
<<locked>>
83%
57261
90%
**74
100%
[Vihtavuori 24N41]*
<<locked>>
97%
55492
87%
**00
92%
Vihtavuori N165
<<locked>>
88%
57087
89%
**54
100%
Vihtavuori N170
<<locked>>
97%
57348
90%
**87
96%
Vihtavuori N555
<<locked>>
83%
56840
89%
**77
100%
Vihtavuori N560
<<locked>>
85%
57217
90%
**69
99%
Vihtavuori N565
<<locked>>
89%
56898
89%
**33
99%
Vihtavuori N568
<<locked>>
92%
56985
89%
**76
99%
Vihtavuori N570
<<locked>>
93%
57101
89%
**02
97%
Winchester StaBALL HD
<<locked>>
86%
57188
90%
**59
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
53127
83%
**48
100%
ADI AR 2213
<<locked>>
81%
48312
76%
**95
98%
ADI AR 2217
<<locked>>
81%
35911
56%
**00
95%
[ADI AR 2218]*
<<locked>>
87%
38130
60%
**12
90%
ADI AR 2225
<<locked>>
81%
33199
52%
**67
97%
Accurate 3100
<<locked>>
81%
48907
77%
**10
100%
[Accurate 8700]*
<<locked>>
93%
37724
59%
**33
90%
Accurate MAGPRO
<<locked>>
81%
48602
76%
**95
97%
Alliant Reloder-19
<<locked>>
81%
52794
83%
**38
100%
Alliant Reloder-22
<<locked>>
81%
48994
77%
**89
99%
Alliant Reloder-23
<<locked>>
81%
47659
75%
**23
100%
Alliant Reloder-25
<<locked>>
81%
41713
65%
**61
100%
[Alliant Reloder-33]*
<<locked>>
83%
36709
58%
**43
90%
[Alliant Reloder-50]*
<<locked>>
88%
38145
60%
**76
90%
Hodgdon H1000
<<locked>>
81%
35911
56%
**00
95%
Hodgdon H4831
<<locked>>
81%
44860
70%
**77
97%
Hodgdon H4831 SC
<<locked>>
81%
49995
78%
**76
98%
Hodgdon Retumbo
<<locked>>
81%
33199
52%
**67
97%
Hodgdon TrailBoss
<<locked>>
81%
28906
45%
**34
100%
IMR 4955 Enduron
<<locked>>
81%
48298
76%
**13
98%
IMR 7828 SSC
<<locked>>
81%
50227
79%
**38
99%
[IMR 7977 Enduron]*
<<locked>>
83%
43236
68%
**79
90%
[IMR 8133 Enduron]*
<<locked>>
81%
30705
48%
**82
92%
[Lovex D100]*
<<locked>>
89%
47050
74%
**84
90%
Lovex S071
<<locked>>
81%
42148
66%
**85
100%
[Norma 217]*
<<locked>>
81%
31024
49%
**95
94%
Norma MRP
<<locked>>
81%
52518
82%
**77
100%
[Ramshot LRT]*
<<locked>>
94%
49371
77%
**28
90%
Ramshot Magnum
<<locked>>
81%
47558
75%
**40
100%
ReloadSwiss RS 14
<<locked>>
81%
29733
47%
**80
100%
ReloadSwiss RS 76
<<locked>>
81%
40379
63%
**90
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
37159
58%
**59
93%
Rottweil R 904
<<locked>>
81%
53388
84%
**18
99%
Rottweil R 905
<<locked>>
81%
52562
82%
**35
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
38247
60%
**30
90%
Somchem S385
<<locked>>
81%
53113
83%
**15
100%
[Vihtavuori 24N41]*
<<locked>>
94%
50111
79%
**99
90%
Vihtavuori N165
<<locked>>
81%
45020
71%
**38
99%
[Vihtavuori N170]*
<<locked>>
85%
39276
62%
**20
90%
Vihtavuori N555
<<locked>>
81%
52649
83%
**12
100%
Vihtavuori N560
<<locked>>
81%
49255
77%
**18
98%
Vihtavuori N565
<<locked>>
81%
43323
68%
**71
97%
[Vihtavuori N568]*
<<locked>>
81%
38174
60%
**76
93%
[Vihtavuori N570]*
<<locked>>
82%
37739
59%
**92
90%
Winchester StaBALL HD
<<locked>>
81%
47282
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.

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