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Load data for .378 Weath. Mag. + .375 | 235gr | Woodleigh PP SN

Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.378 Weath. Mag. + .375 | 235gr | Woodleigh PP SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 235gr | Woodleigh PP SN
Manufacturer SKU:
42A
Bullet Weight:
235gr | 15.2g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.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:
137.0 Grains of Water | 8.90 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B12120_C577
Last updated:
2026-02-03

Load data for 170 loads in caliber .378 Weath. Mag. with .375 | 235gr | Woodleigh PP SN bullet and 85 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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 2208
86%
90%
100%
ADI AR 2209
97%
89%
98%
ADI AR 2213
97%
80%
95%
Accurate 2700
87%
90%
99%
Accurate 3100
97%
79%
99%
Accurate 4064
84%
90%
100%
Accurate 4350
91%
90%
100%
Accurate MAGPRO
97%
77%
93%
Alliant Reloder- TS 15.5
86%
90%
100%
Alliant Reloder-15
83%
89%
100%
Alliant Reloder-16
93%
90%
100%
Alliant Reloder-17
88%
90%
100%
Alliant Reloder-19
97%
89%
98%
Alliant Reloder-22
97%
79%
97%
Alliant Reloder-23
97%
75%
100%
Alliant Reloder-25
97%
65%
98%
Alliant Reloder-26
97%
85%
100%
Bofors RP15
97%
72%
96%
Bofors RP3
85%
90%
100%
Bofors RP5
97%
79%
97%
Bofors RP7
89%
89%
99%
Hodgdon CFE223
83%
89%
100%
Hodgdon H380
85%
90%
100%
Hodgdon H414
87%
89%
99%
Hodgdon H4350
95%
90%
99%
Hodgdon H4831
97%
74%
93%
Hodgdon H4831 SC
97%
84%
95%
Hodgdon Hybrid 100V
95%
89%
100%
Hodgdon LVR
90%
90%
100%
Hodgdon Superperformance
90%
89%
99%
Hodgdon VARGET
86%
90%
100%
Hodgdon TrailBoss
97%
55%
100%
IMR 4064
87%
90%
100%
IMR 4166 Enduron
88%
90%
99%
IMR 4350
93%
90%
99%
IMR 4451 Enduron
88%
89%
99%
IMR 4831
97%
90%
100%
IMR 4955 Enduron
97%
83%
95%
IMR 7828 SSC
97%
82%
96%
Lovex S062
84%
89%
100%
Lovex S065
90%
89%
100%
Lovex S070
92%
89%
99%
Lovex S071
97%
66%
97%
Norma 203B
84%
90%
100%
Norma 204
92%
89%
98%
Norma MRP
97%
84%
99%
Norma URP
92%
90%
100%
Ramshot Big Game
83%
90%
100%
Ramshot Grand
97%
88%
97%
Ramshot Hunter
93%
90%
100%
Ramshot Magnum
97%
77%
97%
ReloadSwiss RS 14
96%
56%
100%
ReloadSwiss RS 50
85%
89%
99%
ReloadSwiss RS 60
87%
90%
100%
ReloadSwiss RS 62
92%
90%
100%
ReloadSwiss RS 70
92%
90%
100%
ReloadSwiss RS 76
97%
63%
95%
Rottweil R 902
83%
90%
100%
Rottweil R 903
87%
90%
100%
Rottweil R 904
96%
89%
97%
Rottweil R 905
97%
87%
98%
Rottweil R 907
89%
89%
99%
SNPE Vectan SP 11
86%
90%
100%
SNPE Vectan Tubal 5000
86%
89%
100%
SNPE Vectan Tubal 7000
90%
89%
99%
Shooters World Long Rifle
90%
89%
100%
Shooters World Precision
84%
89%
100%
Somchem S355
87%
90%
100%
Somchem S361
95%
90%
96%
Somchem S365
94%
90%
100%
Somchem S385
97%
88%
99%
Vihtavuori N133
83%
90%
100%
Vihtavuori N135
88%
89%
100%
Vihtavuori N140
83%
90%
100%
Vihtavuori N150
92%
90%
100%
Vihtavuori N160
90%
90%
100%
Vihtavuori N165
97%
74%
97%
Vihtavuori N540
83%
90%
100%
Vihtavuori N550
89%
89%
100%
Vihtavuori N555
97%
83%
100%
Vihtavuori N560
97%
79%
95%
Vihtavuori N565
97%
67%
93%
Winchester 6.5 StaBALL
91%
90%
100%
Winchester 760
87%
89%
99%
Winchester StaBALL HD
97%
67%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48921
77%
**74
100%
[ADI AR 2209]*
<<locked>>
81%
33852
53%
**02
90%
[ADI AR 2213]*
<<locked>>
88%
38348
60%
**30
90%
Accurate 2700
<<locked>>
81%
47152
74%
**92
97%
[Accurate 3100]*
<<locked>>
81%
29225
46%
**64
92%
Accurate 4064
<<locked>>
81%
51822
81%
**94
100%
Accurate 4350
<<locked>>
81%
39827
62%
**59
98%
[Accurate MAGPRO]*
<<locked>>
93%
42569
67%
**61
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49516
78%
**00
100%
Alliant Reloder-15
<<locked>>
81%
52779
83%
**76
100%
Alliant Reloder-16
<<locked>>
81%
38653
61%
**69
98%
Alliant Reloder-17
<<locked>>
81%
44077
69%
**04
100%
[Alliant Reloder-19]*
<<locked>>
81%
33634
53%
**02
90%
[Alliant Reloder-22]*
<<locked>>
85%
33402
52%
**28
90%
Alliant Reloder-23
<<locked>>
81%
28340
44%
**97
96%
[Alliant Reloder-25]*
<<locked>>
84%
27717
43%
**64
90%
[Alliant Reloder-26]*
<<locked>>
81%
30284
47%
**08
94%
[Bofors RP15]*
<<locked>>
87%
33823
53%
**41
90%
Bofors RP3
<<locked>>
81%
50140
79%
**13
100%
[Bofors RP5]*
<<locked>>
85%
33402
52%
**28
90%
Bofors RP7
<<locked>>
81%
43859
69%
**79
96%
Hodgdon CFE223
<<locked>>
81%
52359
82%
**92
100%
Hodgdon H380
<<locked>>
81%
50256
79%
**23
99%
Hodgdon H414
<<locked>>
81%
45585
71%
**84
97%
[Hodgdon H4350]*
<<locked>>
81%
37246
58%
**41
94%
[Hodgdon H4831]*
<<locked>>
91%
38798
61%
**07
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
39218
61%
**10
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36201
57%
**57
99%
Hodgdon LVR
<<locked>>
81%
42685
67%
**15
98%
Hodgdon Superperformance
<<locked>>
81%
40872
64%
**12
95%
Hodgdon VARGET
<<locked>>
81%
48588
76%
**71
100%
Hodgdon TrailBoss
<<locked>>
81%
27833
44%
**13
100%
IMR 4064
<<locked>>
81%
47950
75%
**51
100%
IMR 4166 Enduron
<<locked>>
81%
47123
74%
**22
97%
IMR 4350
<<locked>>
81%
39363
62%
**90
95%
IMR 4451 Enduron
<<locked>>
81%
45310
71%
**05
97%
IMR 4831
<<locked>>
81%
34737
54%
**25
97%
[IMR 4955 Enduron]*
<<locked>>
86%
37840
59%
**51
90%
[IMR 7828 SSC]*
<<locked>>
87%
38000
60%
**40
90%
Lovex S062
<<locked>>
81%
51576
81%
**10
100%
Lovex S065
<<locked>>
81%
42598
67%
**53
98%
Lovex S070
<<locked>>
81%
40973
64%
**26
96%
[Lovex S071]*
<<locked>>
83%
26716
42%
**88
90%
Norma 203B
<<locked>>
81%
52272
82%
**63
100%
[Norma 204]*
<<locked>>
81%
38783
61%
**17
93%
[Norma MRP]*
<<locked>>
81%
30719
48%
**75
90%
Norma URP
<<locked>>
81%
39494
62%
**43
98%
Ramshot Big Game
<<locked>>
81%
52866
83%
**79
100%
[Ramshot Grand]*
<<locked>>
86%
37347
59%
**30
90%
Ramshot Hunter
<<locked>>
81%
38435
60%
**30
96%
[Ramshot Magnum]*
<<locked>>
86%
32314
51%
**79
90%
ReloadSwiss RS 14
<<locked>>
81%
28326
44%
**52
100%
ReloadSwiss RS 50
<<locked>>
81%
50459
79%
**04
99%
ReloadSwiss RS 60
<<locked>>
81%
46804
73%
**59
100%
ReloadSwiss RS 62
<<locked>>
81%
39697
62%
**69
98%
ReloadSwiss RS 70
<<locked>>
81%
38392
60%
**79
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
32474
51%
**38
90%
Rottweil R 902
<<locked>>
81%
53592
84%
**23
100%
Rottweil R 903
<<locked>>
81%
47123
74%
**51
100%
[Rottweil R 904]*
<<locked>>
82%
36114
57%
**18
90%
[Rottweil R 905]*
<<locked>>
81%
32619
51%
**75
90%
Rottweil R 907
<<locked>>
81%
43859
69%
**79
96%
SNPE Vectan SP 11
<<locked>>
81%
48283
76%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48066
75%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41800
66%
**94
96%
Shooters World Long Rifle
<<locked>>
81%
42598
67%
**53
98%
Shooters World Precision
<<locked>>
81%
51576
81%
**10
100%
Somchem S355
<<locked>>
81%
47137
74%
**54
100%
[Somchem S361]*
<<locked>>
83%
38406
60%
**41
90%
Somchem S365
<<locked>>
81%
36013
56%
**07
100%
[Somchem S385]*
<<locked>>
81%
33431
52%
**69
92%
Vihtavuori N133
<<locked>>
81%
53534
84%
**31
100%
Vihtavuori N135
<<locked>>
81%
45977
72%
**56
100%
Vihtavuori N140
<<locked>>
81%
53359
84%
**84
100%
Vihtavuori N150
<<locked>>
81%
40524
64%
**90
100%
Vihtavuori N160
<<locked>>
81%
42786
67%
**82
99%
[Vihtavuori N165]*
<<locked>>
85%
31502
49%
**13
90%
Vihtavuori N540
<<locked>>
81%
53069
83%
**17
100%
Vihtavuori N550
<<locked>>
81%
43163
68%
**22
99%
Vihtavuori N555
<<locked>>
81%
31473
49%
**79
96%
[Vihtavuori N560]*
<<locked>>
89%
38609
60%
**72
90%
[Vihtavuori N565]*
<<locked>>
93%
37376
59%
**43
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40147
63%
**17
100%
Winchester 760
<<locked>>
81%
45585
71%
**84
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25063
39%
**44
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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