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Load data for .378 Weath. Mag. + .375 | 300gr | Hornady DGS

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

.378 Weath. Mag. + .375 | 300gr | Hornady DGS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Hornady DGS
Manufacturer SKU:
2727
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.290" | 32.8mm
Caliber:
.378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
3.600" | 91.4mm
Seated Depth:
0.603" | 15.3mm
Shank Seated Depth:
0.603" | 15.3mm
Case Capacity:
137.0 Grains of Water | 8.90 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2810_C577
Last updated:
2025-01-01

Load data for 140 loads in caliber .378 Weath. Mag. with .375 | 300gr | Hornady DGS bullet and 70 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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>>
93%
57072
89%
**76
100%
ADI AR 2213
<<locked>>
96%
56942
89%
**08
99%
ADI AR 2217
<<locked>>
97%
42569
67%
**59
96%
ADI AR 2225
<<locked>>
97%
38029
60%
**16
98%
Accurate 2700
<<locked>>
84%
57377
90%
**51
100%
Accurate 3100
<<locked>>
96%
57261
90%
**23
100%
Accurate 4350
<<locked>>
87%
57406
90%
**30
100%
Accurate MAGPRO
<<locked>>
97%
57290
90%
**35
98%
Alliant Reloder-16
<<locked>>
89%
57232
90%
**69
100%
Alliant Reloder-17
<<locked>>
84%
57348
90%
**69
100%
Alliant Reloder-19 👍
<<locked>>
93%
57217
90%
**76
100%
Alliant Reloder-22
<<locked>>
96%
57261
90%
**15
100%
Alliant Reloder-23
<<locked>>
97%
55695
87%
**53
100%
Alliant Reloder-25
<<locked>>
97%
48022
75%
**94
100%
Alliant Reloder-26
<<locked>>
94%
57377
90%
**51
100%
Hodgdon H1000
<<locked>>
97%
42569
67%
**59
96%
Hodgdon H414
<<locked>>
84%
57203
90%
**62
100%
Hodgdon H4350
<<locked>>
91%
56971
89%
**07
100%
Hodgdon H4831
<<locked>>
97%
53824
84%
**07
98%
Hodgdon H4831 SC
<<locked>>
95%
57188
90%
**56
98%
Hodgdon Hybrid 100V
<<locked>>
91%
57392
90%
**90
100%
Hodgdon LVR
<<locked>>
86%
57145
90%
**30
100%
Hodgdon Retumbo
<<locked>>
97%
38029
60%
**16
98%
Hodgdon Superperformance
<<locked>>
86%
56840
89%
**85
100%
IMR 4064
<<locked>>
83%
56884
89%
**54
100%
IMR 4166 Enduron
<<locked>>
84%
57334
90%
**74
100%
IMR 4350
<<locked>>
89%
57116
89%
**07
100%
IMR 4451 Enduron
<<locked>>
85%
57029
89%
**90
100%
IMR 4831
<<locked>>
93%
57377
90%
**23
100%
IMR 4955 Enduron
<<locked>>
96%
57406
90%
**30
99%
IMR 7828 SSC
<<locked>>
95%
57116
89%
**28
99%
[IMR 8133 Enduron]*
<<locked>>
97%
34113
53%
**25
93%
Lovex S065
<<locked>>
87%
57014
89%
**80
100%
Lovex S070
<<locked>>
88%
57348
90%
**13
100%
Lovex S071
<<locked>>
97%
48950
77%
**05
100%
Norma 204
<<locked>>
89%
57232
90%
**56
99%
Norma 217
<<locked>>
97%
33808
53%
**41
95%
Norma MRP 👍
<<locked>>
94%
56985
89%
**31
100%
Norma URP
<<locked>>
88%
57188
90%
**40
100%
Ramshot Hunter
<<locked>>
89%
56971
89%
**62
100%
Ramshot Magnum
<<locked>>
97%
56927
89%
**95
100%
ReloadSwiss RS 14
<<locked>>
97%
36216
57%
**86
100%
ReloadSwiss RS 60
<<locked>>
85%
56985
89%
**92
100%
ReloadSwiss RS 62
<<locked>>
88%
57377
90%
**56
100%
ReloadSwiss RS 70
<<locked>>
88%
57406
90%
**12
100%
ReloadSwiss RS 76
<<locked>>
97%
46543
73%
**33
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
42076
66%
**15
94%
Rottweil R 903
<<locked>>
83%
57246
90%
**74
100%
Rottweil R 904
<<locked>>
92%
57217
90%
**23
99%
Rottweil R 905 👍
<<locked>>
94%
57159
90%
**66
100%
Rottweil R 907
<<locked>>
86%
57014
89%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
83%
57406
90%
**52
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57159
90%
**51
100%
Shooters World Long Rifle
<<locked>>
87%
57014
89%
**80
100%
Somchem S355
<<locked>>
83%
57072
89%
**71
100%
Somchem S361
<<locked>>
92%
57305
90%
**00
98%
Somchem S365
<<locked>>
90%
57188
90%
**36
100%
Somchem S385 👍
<<locked>>
93%
57334
90%
**33
100%
Vihtavuori N135
<<locked>>
84%
57101
89%
**82
100%
Vihtavuori N150
<<locked>>
88%
57319
90%
**38
100%
Vihtavuori N160
<<locked>>
86%
57217
90%
**00
100%
Vihtavuori N165
<<locked>>
97%
53621
84%
**71
99%
Vihtavuori N550
<<locked>>
86%
57116
90%
**40
100%
Vihtavuori N555
<<locked>>
95%
57246
90%
**66
100%
Vihtavuori N560
<<locked>>
96%
57290
90%
**35
99%
Vihtavuori N565
<<locked>>
97%
50154
79%
**07
98%
[Vihtavuori N568]*
<<locked>>
97%
43569
68%
**35
94%
Winchester 6.5 StaBALL
<<locked>>
87%
57188
90%
**67
100%
Winchester 760
<<locked>>
84%
57203
90%
**62
100%
Winchester StaBALL HD
<<locked>>
97%
52620
82%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38464
60%
**44
96%
[ADI AR 2213]*
<<locked>>
81%
34360
54%
**69
92%
[ADI AR 2217]*
<<locked>>
87%
31154
49%
**80
90%
[ADI AR 2225]*
<<locked>>
85%
25889
41%
**65
90%
Accurate 2700
<<locked>>
81%
52576
82%
**89
99%
Accurate 3100
<<locked>>
81%
34301
54%
**26
97%
Accurate 4350
<<locked>>
81%
46151
72%
**62
100%
[Accurate MAGPRO]*
<<locked>>
82%
34577
54%
**95
90%
Alliant Reloder-16
<<locked>>
81%
44092
69%
**69
100%
Alliant Reloder-17
<<locked>>
81%
50981
80%
**80
100%
Alliant Reloder-19
<<locked>>
81%
38493
60%
**41
96%
[Alliant Reloder-22]*
<<locked>>
81%
34142
53%
**82
94%
Alliant Reloder-23
<<locked>>
81%
32851
51%
**49
100%
Alliant Reloder-25
<<locked>>
81%
28616
45%
**57
95%
Alliant Reloder-26
<<locked>>
81%
35621
56%
**80
99%
[Hodgdon H1000]*
<<locked>>
87%
31154
49%
**80
90%
Hodgdon H414
<<locked>>
81%
51909
81%
**80
100%
Hodgdon H4350
<<locked>>
81%
42206
66%
**67
98%
[Hodgdon H4831]*
<<locked>>
81%
32314
51%
**80
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
36013
56%
**69
93%
Hodgdon Hybrid 100V
<<locked>>
81%
41771
65%
**61
100%
Hodgdon LVR
<<locked>>
81%
48559
76%
**08
100%
[Hodgdon Retumbo]*
<<locked>>
85%
25889
41%
**65
90%
Hodgdon Superperformance
<<locked>>
81%
47297
74%
**35
99%
IMR 4064
<<locked>>
81%
53476
84%
**12
100%
IMR 4166 Enduron
<<locked>>
81%
52098
82%
**95
100%
IMR 4350
<<locked>>
81%
44164
69%
**03
98%
IMR 4451 Enduron
<<locked>>
81%
50444
79%
**95
100%
IMR 4831
<<locked>>
81%
39856
62%
**38
100%
[IMR 4955 Enduron]*
<<locked>>
81%
36405
57%
**39
93%
[IMR 7828 SSC]*
<<locked>>
81%
34969
55%
**02
93%
[IMR 8133 Enduron]*
<<locked>>
93%
30081
47%
**16
90%
Lovex S065
<<locked>>
81%
47935
75%
**43
100%
Lovex S070
<<locked>>
81%
46195
72%
**36
99%
Lovex S071
<<locked>>
81%
29472
46%
**08
95%
Norma 204
<<locked>>
81%
44382
70%
**46
97%
[Norma 217]*
<<locked>>
89%
26165
41%
**11
90%
Norma MRP
<<locked>>
81%
35650
56%
**48
97%
Norma URP
<<locked>>
81%
45165
71%
**52
100%
Ramshot Hunter
<<locked>>
81%
43990
69%
**46
99%
[Ramshot Magnum]*
<<locked>>
81%
31328
49%
**10
94%
ReloadSwiss RS 14
<<locked>>
92%
34200
54%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
48979
77%
**77
100%
ReloadSwiss RS 62
<<locked>>
81%
45934
72%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
44164
69%
**02
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
26861
42%
**24
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
33112
52%
**08
90%
Rottweil R 903
<<locked>>
81%
53301
84%
**25
100%
Rottweil R 904
<<locked>>
81%
39740
62%
**25
95%
Rottweil R 905
<<locked>>
81%
37710
59%
**21
96%
Rottweil R 907
<<locked>>
81%
48965
77%
**62
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
53461
84%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46876
73%
**93
99%
Shooters World Long Rifle
<<locked>>
81%
47935
75%
**43
100%
Somchem S355
<<locked>>
81%
53127
83%
**18
100%
[Somchem S361]*
<<locked>>
81%
40567
64%
**18
94%
Somchem S365
<<locked>>
81%
41901
66%
**07
100%
Somchem S385
<<locked>>
81%
38377
60%
**15
97%
Vihtavuori N135
<<locked>>
81%
51619
81%
**10
100%
Vihtavuori N150
<<locked>>
81%
45774
72%
**70
100%
Vihtavuori N160
<<locked>>
81%
48747
76%
**75
100%
[Vihtavuori N165]*
<<locked>>
81%
32111
50%
**64
94%
Vihtavuori N550
<<locked>>
81%
49110
77%
**15
100%
Vihtavuori N555
<<locked>>
81%
36854
58%
**25
100%
[Vihtavuori N560]*
<<locked>>
81%
34156
54%
**95
92%
[Vihtavuori N565]*
<<locked>>
82%
30458
48%
**90
90%
[Vihtavuori N568]*
<<locked>>
90%
34403
54%
**25
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45730
72%
**10
100%
Winchester 760
<<locked>>
81%
51909
81%
**80
100%
Winchester StaBALL HD
<<locked>>
81%
27992
44%
**62
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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