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Load data for .30-378 Weath. Mag. + .308 | 125gr Hornady ECX

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Norma MRP, Vihtavuori N555, Winchester StaBALL HD

.30-378 Weath. Mag. + .308 | 125gr Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 125gr Hornady ECX
Manufacturer SKU:
301944
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.30-378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B1381_C333
Last updated:
2025-01-01

Load data for 0 loads in caliber .30-378 Weath. Mag. with .308 | 125gr Hornady ECX bullet and 0 powders such as Alliant Reloder-23, Alliant Reloder-26, Norma MRP, Vihtavuori N555, 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>>
92%
57232
90%
**20
98%
ADI AR 2213
<<locked>>
95%
57101
89%
**37
97%
[ADI AR 2217]*
<<locked>>
97%
44773
70%
**61
94%
ADI AR 2225
<<locked>>
97%
40480
63%
**89
96%
Accurate 3100
<<locked>>
95%
57000
89%
**32
100%
Accurate 4350
<<locked>>
86%
57101
89%
**78
100%
Accurate MAGPRO
<<locked>>
95%
57014
89%
**33
95%
Alliant Reloder-16
<<locked>>
88%
57421
90%
**37
100%
Alliant Reloder-19
<<locked>>
92%
57116
89%
**07
98%
Alliant Reloder-22
<<locked>>
95%
56927
89%
**33
98%
Alliant Reloder-23 👍
<<locked>>
96%
57159
90%
**94
100%
Alliant Reloder-25
<<locked>>
97%
51053
80%
**51
100%
Alliant Reloder-26 👍
<<locked>>
92%
57232
90%
**73
100%
[Baschieri & Pellagri 109]*
<<locked>>
96%
57203
90%
**51
94%
Bofors RP15
<<locked>>
97%
56391
88%
**20
98%
Bofors RP30
<<locked>>
97%
46963
74%
**33
95%
Bofors RP5
<<locked>>
95%
56927
89%
**33
98%
Bofors RP7
<<locked>>
85%
57377
90%
**58
99%
[Hodgdon H1000]*
<<locked>>
97%
44773
70%
**61
94%
Hodgdon H4350
<<locked>>
90%
57392
90%
**51
99%
Hodgdon H4831
<<locked>>
97%
56695
89%
**68
97%
Hodgdon H4831 SC
<<locked>>
93%
57421
90%
**88
97%
Hodgdon Hybrid 100V
<<locked>>
90%
57276
90%
**35
100%
Hodgdon LVR
<<locked>>
85%
56855
89%
**78
100%
Hodgdon Retumbo
<<locked>>
97%
40480
63%
**89
96%
Hodgdon Superperformance
<<locked>>
85%
57319
90%
**17
99%
Hodgdon TrailBoss
<<locked>>
97%
35317
55%
**67
100%
IMR 4166 Enduron
<<locked>>
83%
56913
89%
**28
99%
IMR 4350
<<locked>>
88%
57188
90%
**58
99%
IMR 4451 Enduron
<<locked>>
84%
56971
89%
**51
99%
IMR 4831 👍
<<locked>>
91%
57319
90%
**68
100%
IMR 4955 Enduron
<<locked>>
94%
57246
90%
**45
97%
IMR 7828 SSC
<<locked>>
94%
57435
90%
**56
97%
Lovex S065
<<locked>>
86%
56884
89%
**28
100%
Lovex S070
<<locked>>
87%
57232
90%
**51
99%
Lovex S071
<<locked>>
97%
51024
80%
**30
99%
Norma 204
<<locked>>
87%
57435
90%
**97
98%
[Norma 217]*
<<locked>>
97%
35650
56%
**77
93%
Norma MRP
<<locked>>
93%
56913
89%
**43
99%
Norma URP
<<locked>>
87%
57421
90%
**84
100%
Ramshot Grand
<<locked>>
92%
57276
90%
**63
98%
Ramshot Hunter
<<locked>>
88%
57392
90%
**07
100%
Ramshot Magnum
<<locked>>
95%
57072
89%
**04
99%
ReloadSwiss RS 14
<<locked>>
96%
35708
56%
**10
100%
ReloadSwiss RS 62
<<locked>>
86%
57043
89%
**91
100%
ReloadSwiss RS 70
<<locked>>
87%
57174
90%
**43
100%
ReloadSwiss RS 76
<<locked>>
97%
50604
79%
**78
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
45861
72%
**27
93%
Rottweil R 904
<<locked>>
91%
56898
89%
**58
97%
Rottweil R 905
<<locked>>
92%
56840
89%
**94
98%
Rottweil R 907
<<locked>>
85%
57377
90%
**58
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
57130
90%
**92
99%
Shooters World Long Rifle
<<locked>>
86%
56884
89%
**28
100%
Somchem S361
<<locked>>
90%
56898
89%
**06
97%
Somchem S365
<<locked>>
89%
57246
90%
**84
100%
Somchem S385
<<locked>>
92%
57087
89%
**55
99%
Vihtavuori N135
<<locked>>
84%
57029
89%
**46
100%
Vihtavuori N150
<<locked>>
87%
57130
90%
**83
100%
Vihtavuori N160
<<locked>>
85%
57043
89%
**45
100%
Vihtavuori N165
<<locked>>
97%
56710
89%
**22
99%
Vihtavuori N550
<<locked>>
85%
57246
90%
**84
100%
Vihtavuori N555 👍
<<locked>>
93%
57043
89%
**94
100%
Vihtavuori N560
<<locked>>
94%
57043
89%
**43
97%
Vihtavuori N565
<<locked>>
97%
53780
84%
**45
96%
[Vihtavuori N568]*
<<locked>>
97%
47050
74%
**40
93%
Winchester 6.5 StaBALL
<<locked>>
86%
57435
90%
**06
100%
Winchester StaBALL HD 👍
<<locked>>
97%
56855
89%
**96
100%
Winchester Supreme 780
<<locked>>
91%
56927
89%
**51
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
39436
62%
**17
93%
[ADI AR 2213]*
<<locked>>
83%
37304
58%
**81
90%
[ADI AR 2217]*
<<locked>>
92%
37492
59%
**54
90%
[ADI AR 2225]*
<<locked>>
90%
31531
49%
**13
90%
[Accurate 3100]*
<<locked>>
81%
34853
55%
**46
94%
Accurate 4350
<<locked>>
81%
47137
74%
**97
99%
[Accurate MAGPRO]*
<<locked>>
86%
41974
66%
**02
90%
Alliant Reloder-16
<<locked>>
81%
45208
71%
**07
99%
[Alliant Reloder-19]*
<<locked>>
81%
39378
62%
**14
93%
[Alliant Reloder-22]*
<<locked>>
81%
35157
55%
**25
91%
Alliant Reloder-23
<<locked>>
81%
33475
52%
**92
98%
[Alliant Reloder-25]*
<<locked>>
81%
29211
46%
**44
91%
Alliant Reloder-26
<<locked>>
81%
37318
58%
**43
97%
[Baschieri & Pellagri 109]*
<<locked>>
88%
45368
71%
**92
90%
[Bofors RP15]*
<<locked>>
82%
33895
53%
**79
90%
[Bofors RP30]*
<<locked>>
90%
36056
57%
**61
90%
[Bofors RP5]*
<<locked>>
81%
35157
55%
**25
91%
Bofors RP7
<<locked>>
81%
49922
78%
**01
98%
[Hodgdon H1000]*
<<locked>>
92%
37492
59%
**54
90%
Hodgdon H4350
<<locked>>
81%
43004
67%
**59
96%
[Hodgdon H4831]*
<<locked>>
85%
38305
60%
**54
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
38392
60%
**64
90%
Hodgdon Hybrid 100V
<<locked>>
81%
42482
67%
**56
100%
Hodgdon LVR
<<locked>>
81%
49719
78%
**50
99%
[Hodgdon Retumbo]*
<<locked>>
90%
31531
49%
**13
90%
Hodgdon Superperformance
<<locked>>
81%
49632
78%
**79
98%
Hodgdon TrailBoss
<<locked>>
81%
27992
44%
**80
100%
IMR 4166 Enduron
<<locked>>
81%
52881
83%
**56
99%
IMR 4350
<<locked>>
81%
45368
71%
**22
97%
IMR 4451 Enduron
<<locked>>
81%
51547
81%
**46
98%
IMR 4831
<<locked>>
81%
40437
63%
**17
98%
[IMR 4955 Enduron]*
<<locked>>
82%
37652
59%
**05
90%
[IMR 7828 SSC]*
<<locked>>
82%
37376
59%
**94
90%
Lovex S065
<<locked>>
81%
48675
76%
**71
99%
Lovex S070
<<locked>>
81%
47195
74%
**51
98%
[Lovex S071]*
<<locked>>
81%
29530
46%
**85
91%
Norma 204
<<locked>>
81%
45629
71%
**58
95%
[Norma 217]*
<<locked>>
94%
31995
50%
**59
90%
[Norma MRP]*
<<locked>>
81%
36970
58%
**07
94%
Norma URP
<<locked>>
81%
46354
73%
**74
99%
[Ramshot Grand]*
<<locked>>
81%
37478
59%
**94
91%
Ramshot Hunter
<<locked>>
81%
45339
71%
**55
98%
[Ramshot Magnum]*
<<locked>>
81%
32547
51%
**13
90%
ReloadSwiss RS 14
<<locked>>
81%
28471
45%
**26
100%
ReloadSwiss RS 62
<<locked>>
81%
47572
75%
**04
99%
ReloadSwiss RS 70
<<locked>>
81%
45934
72%
**20
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
32039
50%
**63
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
40161
63%
**82
90%
[Rottweil R 904]*
<<locked>>
81%
40814
64%
**04
92%
[Rottweil R 905]*
<<locked>>
81%
38653
61%
**97
93%
Rottweil R 907
<<locked>>
81%
49922
78%
**01
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
47659
75%
**09
98%
Shooters World Long Rifle
<<locked>>
81%
48675
76%
**71
99%
[Somchem S361]*
<<locked>>
81%
41640
65%
**84
92%
Somchem S365
<<locked>>
81%
43250
68%
**32
100%
[Somchem S385]*
<<locked>>
81%
39262
62%
**68
94%
Vihtavuori N135
<<locked>>
81%
52301
82%
**74
100%
Vihtavuori N150
<<locked>>
81%
46296
73%
**89
100%
Vihtavuori N160
<<locked>>
81%
49893
78%
**20
100%
[Vihtavuori N165]*
<<locked>>
81%
32793
51%
**77
91%
Vihtavuori N550
<<locked>>
81%
50763
80%
**63
100%
Vihtavuori N555
<<locked>>
81%
37652
59%
**81
98%
[Vihtavuori N560]*
<<locked>>
83%
38493
60%
**27
90%
[Vihtavuori N565]*
<<locked>>
87%
37594
59%
**68
90%
[Vihtavuori N568]*
<<locked>>
93%
41278
65%
**09
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47572
75%
**35
100%
Winchester StaBALL HD
<<locked>>
81%
29298
46%
**63
97%
[Winchester Supreme 780]*
<<locked>>
81%
39334
62%
**68
93%

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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