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Load data for .30-378 Weath. Mag. + .308 | 175gr | Sierra Tipped MatchKing

Recommended Powder(s):

.30-378 Weath. Mag. + .308 | 175gr | Sierra Tipped MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 175gr | Sierra Tipped MatchKing
Manufacturer SKU:
7775
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.378" | 35.0mm
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:
0.691" | 17.5mm
Shank Seated Depth:
0.494" | 12.5mm
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_B5891_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 92 loads in caliber .30-378 Weath. Mag. with .308 | 175gr | Sierra Tipped MatchKing bullet and 46 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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  • 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>>
84%
57058
89%
**84
100%
ADI AR 2213
<<locked>>
87%
57116
89%
**30
100%
ADI AR 2217
<<locked>>
95%
57276
90%
**17
100%
ADI AR 2218
<<locked>>
97%
52562
82%
**36
97%
ADI AR 2225 👍
<<locked>>
97%
55477
87%
**33
100%
Accurate 3100
<<locked>>
87%
57276
90%
**15
100%
[Accurate 8700]*
<<locked>>
97%
42003
66%
**15
92%
Accurate MAGPRO
<<locked>>
87%
57363
90%
**27
99%
Alliant Reloder-19
<<locked>>
84%
57087
89%
**81
100%
Alliant Reloder-22
<<locked>>
87%
57188
90%
**17
100%
Alliant Reloder-23
<<locked>>
88%
57145
90%
**51
100%
Alliant Reloder-25
<<locked>>
91%
57276
90%
**14
100%
Alliant Reloder-26
<<locked>>
83%
56956
89%
**17
100%
Alliant Reloder-33
<<locked>>
96%
57145
90%
**76
98%
Alliant Reloder-50
<<locked>>
97%
50546
79%
**28
96%
Hodgdon H1000
<<locked>>
95%
57276
90%
**17
100%
Hodgdon H4831
<<locked>>
89%
56956
89%
**71
99%
Hodgdon H4831 SC
<<locked>>
86%
57217
90%
**68
99%
Hodgdon Retumbo 👍
<<locked>>
97%
55477
87%
**33
100%
Hodgdon TrailBoss
<<locked>>
97%
36245
57%
**62
100%
IMR 4831
<<locked>>
84%
57058
89%
**18
100%
IMR 4955 Enduron
<<locked>>
87%
57145
90%
**51
99%
IMR 7828 SSC
<<locked>>
86%
57421
90%
**33
100%
IMR 7977 Enduron
<<locked>>
92%
57043
89%
**09
95%
IMR 8133 Enduron
<<locked>>
97%
50981
80%
**41
99%
[Lovex D100]*
<<locked>>
96%
57435
90%
**41
93%
Lovex S071
<<locked>>
92%
57276
90%
**15
100%
Norma 217
<<locked>>
97%
51735
81%
**58
100%
Norma MRP
<<locked>>
85%
57232
90%
**30
100%
Ramshot Magnum
<<locked>>
87%
57174
90%
**77
100%
ReloadSwiss RS 14
<<locked>>
96%
37130
58%
**05
100%
ReloadSwiss RS 76 👍
<<locked>>
91%
57014
89%
**79
100%
ReloadSwiss RS 80 👍
<<locked>>
94%
57276
90%
**59
99%
Rottweil R 904
<<locked>>
84%
57058
89%
**51
100%
Rottweil R 905
<<locked>>
84%
56985
89%
**77
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
43743
69%
**31
93%
Somchem S361
<<locked>>
83%
57029
89%
**12
99%
Somchem S385
<<locked>>
84%
57348
90%
**38
100%
Vihtavuori N165
<<locked>>
89%
56985
89%
**28
100%
Vihtavuori N170
<<locked>>
97%
55912
88%
**35
96%
Vihtavuori N555
<<locked>>
85%
57363
90%
**58
100%
Vihtavuori N560
<<locked>>
86%
57334
90%
**46
99%
Vihtavuori N565 👍
<<locked>>
90%
56956
89%
**00
99%
Vihtavuori N568
<<locked>>
93%
56985
89%
**43
99%
Vihtavuori N570
<<locked>>
94%
57363
90%
**92
97%
Winchester StaBALL HD
<<locked>>
87%
56768
89%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51445
81%
**99
100%
ADI AR 2213
<<locked>>
81%
46659
73%
**33
98%
[ADI AR 2217]*
<<locked>>
81%
34650
54%
**41
94%
[ADI AR 2218]*
<<locked>>
88%
38014
60%
**79
90%
ADI AR 2225
<<locked>>
81%
31879
50%
**15
97%
Accurate 3100
<<locked>>
81%
47195
74%
**48
100%
[Accurate 8700]*
<<locked>>
94%
37478
59%
**03
90%
Accurate MAGPRO
<<locked>>
81%
46702
73%
**27
96%
Alliant Reloder-19
<<locked>>
81%
51213
80%
**76
100%
Alliant Reloder-22
<<locked>>
81%
47340
74%
**30
99%
Alliant Reloder-23
<<locked>>
81%
46035
72%
**67
100%
Alliant Reloder-25
<<locked>>
81%
39943
63%
**95
100%
Alliant Reloder-26
<<locked>>
81%
52678
83%
**48
100%
[Alliant Reloder-33]*
<<locked>>
84%
35868
56%
**17
90%
[Alliant Reloder-50]*
<<locked>>
89%
37898
59%
**53
90%
[Hodgdon H1000]*
<<locked>>
81%
34650
54%
**41
94%
Hodgdon H4831
<<locked>>
81%
43424
68%
**12
97%
Hodgdon H4831 SC
<<locked>>
81%
48472
76%
**17
98%
Hodgdon Retumbo
<<locked>>
81%
31879
50%
**15
97%
Hodgdon TrailBoss
<<locked>>
81%
28921
45%
**95
100%
IMR 4831
<<locked>>
81%
52562
82%
**49
100%
IMR 4955 Enduron
<<locked>>
81%
46934
74%
**54
98%
IMR 7828 SSC
<<locked>>
81%
48269
76%
**66
98%
[IMR 7977 Enduron]*
<<locked>>
84%
43337
68%
**46
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29428
46%
**16
91%
[Lovex D100]*
<<locked>>
91%
47616
75%
**54
90%
Lovex S071
<<locked>>
81%
40451
63%
**20
99%
[Norma 217]*
<<locked>>
81%
29602
46%
**49
94%
Norma MRP
<<locked>>
81%
50633
79%
**15
100%
Ramshot Magnum
<<locked>>
81%
45426
71%
**81
99%
ReloadSwiss RS 14
<<locked>>
81%
29733
47%
**41
100%
ReloadSwiss RS 76
<<locked>>
81%
38609
60%
**25
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
35418
56%
**94
93%
Rottweil R 904
<<locked>>
81%
51967
81%
**63
99%
Rottweil R 905
<<locked>>
81%
50981
80%
**76
100%
[SNPE Vectan SP 13]*
<<locked>>
93%
38072
60%
**03
90%
Somchem S361
<<locked>>
81%
53127
83%
**46
99%
Somchem S385
<<locked>>
81%
51416
81%
**40
100%
Vihtavuori N165
<<locked>>
81%
43714
68%
**85
99%
[Vihtavuori N170]*
<<locked>>
86%
38870
61%
**90
90%
Vihtavuori N555
<<locked>>
81%
50981
80%
**56
100%
Vihtavuori N560
<<locked>>
81%
47558
75%
**59
98%
Vihtavuori N565
<<locked>>
81%
41669
65%
**02
96%
[Vihtavuori N568]*
<<locked>>
81%
36622
57%
**26
93%
[Vihtavuori N570]*
<<locked>>
83%
36985
58%
**56
90%
Winchester StaBALL HD
<<locked>>
81%
44889
70%
**33
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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