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Load data for .338-378 Weath. Mag. + .338 | 154gr | Reichenberg Spezial Jagd

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, IMR 4831, Vihtavuori N555, Winchester StaBALL HD

.338-378 Weath. Mag. + .338 | 154gr | Reichenberg Spezial Jagd

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 154gr | Reichenberg Spezial Jagd
Bullet Weight:
154gr | 10.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
0.888" | 22.6mm
Caliber:
.338-378 Weath. Mag. load data
Case Length (l3):
2.910" | 73.9mm
Cartridge Length (C.O.L.):
3.694" | 93.8mm
Seated Depth:
0.104" | 2.6mm
Shank Seated Depth:
0.026" | 0.6mm
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_B10174_C472
Last updated:
2025-09-18
Recommended Twist Rate:
1:22 - 1:19

Load data for 138 loads in caliber .338-378 Weath. Mag. with .338 | 154gr | Reichenberg Spezial Jagd bullet and 69 powders such as Alliant Reloder-23, Alliant Reloder-26, IMR 4831, 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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    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 2208
<<locked>>
83%
57319
90%
**53
100%
ADI AR 2209
<<locked>>
93%
57406
90%
**15
98%
ADI AR 2213
<<locked>>
96%
57072
89%
**45
97%
[ADI AR 2217]*
<<locked>>
97%
43033
67%
**10
92%
[ADI AR 2225]*
<<locked>>
97%
38479
60%
**51
94%
Accurate 2700
<<locked>>
84%
57145
90%
**94
99%
Accurate 3100
<<locked>>
96%
57174
90%
**43
100%
Accurate 4350
<<locked>>
87%
57130
90%
**79
100%
Accurate MAGPRO
<<locked>>
96%
56884
89%
**32
95%
Alliant Reloder-16
<<locked>>
89%
57261
90%
**45
100%
Alliant Reloder-17
<<locked>>
84%
57145
90%
**38
100%
Alliant Reloder-19
<<locked>>
93%
57188
90%
**99
98%
Alliant Reloder-22
<<locked>>
96%
57014
89%
**35
98%
Alliant Reloder-23 👍
<<locked>>
97%
56275
88%
**99
100%
Alliant Reloder-25
<<locked>>
97%
48196
76%
**97
99%
Alliant Reloder-26 👍
<<locked>>
93%
57377
90%
**91
100%
[Hodgdon H1000]*
<<locked>>
97%
43033
67%
**10
92%
Hodgdon H414
<<locked>>
84%
57116
90%
**09
99%
Hodgdon H4350
<<locked>>
91%
57261
90%
**63
99%
Hodgdon H4831
<<locked>>
97%
54157
85%
**14
95%
Hodgdon H4831 SC
<<locked>>
94%
56927
89%
**69
96%
Hodgdon Hybrid 100V
<<locked>>
91%
57392
90%
**56
100%
Hodgdon LVR
<<locked>>
86%
57029
89%
**96
100%
[Hodgdon Retumbo]*
<<locked>>
97%
38479
60%
**51
94%
Hodgdon Superperformance
<<locked>>
86%
56869
89%
**15
99%
Hodgdon VARGET
<<locked>>
83%
57319
90%
**53
100%
Hodgdon TrailBoss
<<locked>>
97%
35114
55%
**85
100%
IMR 4064
<<locked>>
84%
57246
90%
**46
100%
IMR 4166 Enduron
<<locked>>
84%
57174
90%
**43
99%
IMR 4350
<<locked>>
89%
57435
90%
**50
99%
IMR 4451 Enduron
<<locked>>
85%
57261
90%
**60
99%
IMR 4831 👍
<<locked>>
93%
57377
90%
**66
100%
IMR 4955 Enduron
<<locked>>
96%
57232
90%
**43
96%
IMR 7828 SSC
<<locked>>
95%
57203
90%
**61
97%
Lovex S065
<<locked>>
87%
57435
90%
**50
100%
Lovex S070
<<locked>>
88%
57217
90%
**53
99%
Lovex S071
<<locked>>
97%
48950
77%
**89
98%
Norma 204
<<locked>>
88%
57246
90%
**89
98%
Norma MRP
<<locked>>
94%
56898
89%
**51
99%
Norma URP
<<locked>>
88%
56985
89%
**96
100%
Ramshot Hunter
<<locked>>
89%
57087
89%
**02
100%
Ramshot Magnum
<<locked>>
96%
57406
90%
**02
99%
ReloadSwiss RS 14
<<locked>>
97%
35969
56%
**41
100%
ReloadSwiss RS 60
<<locked>>
85%
56956
89%
**58
100%
ReloadSwiss RS 62
<<locked>>
87%
56927
89%
**02
100%
ReloadSwiss RS 70
<<locked>>
88%
57406
90%
**58
100%
ReloadSwiss RS 76
<<locked>>
97%
47993
75%
**37
98%
Rottweil R 903
<<locked>>
83%
57246
90%
**50
100%
Rottweil R 904
<<locked>>
92%
57363
90%
**63
97%
Rottweil R 905
<<locked>>
93%
57348
90%
**09
98%
Rottweil R 907
<<locked>>
86%
57406
90%
**56
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
56898
89%
**09
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57305
90%
**94
99%
Shooters World Long Rifle
<<locked>>
87%
57435
90%
**50
100%
Somchem S355
<<locked>>
84%
56956
89%
**46
100%
Somchem S361
<<locked>>
91%
57000
89%
**10
96%
Somchem S365
<<locked>>
90%
56898
89%
**96
100%
Somchem S385
<<locked>>
93%
57377
90%
**66
99%
Vihtavuori N135
<<locked>>
85%
57377
90%
**64
100%
Vihtavuori N150
<<locked>>
89%
57435
90%
**01
100%
Vihtavuori N160
<<locked>>
86%
57014
89%
**50
100%
Vihtavuori N165
<<locked>>
97%
54230
85%
**91
98%
Vihtavuori N550
<<locked>>
86%
57130
90%
**89
100%
Vihtavuori N555 👍
<<locked>>
94%
56942
89%
**96
100%
Vihtavuori N560
<<locked>>
96%
57188
90%
**51
96%
Vihtavuori N565
<<locked>>
97%
50995
80%
**04
95%
Winchester 6.5 StaBALL
<<locked>>
87%
57072
89%
**04
100%
Winchester 760
<<locked>>
84%
57116
90%
**09
99%
Winchester StaBALL HD 👍
<<locked>>
97%
53447
84%
**68
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53708
84%
**91
100%
[ADI AR 2209]*
<<locked>>
81%
37971
59%
**95
92%
[ADI AR 2213]*
<<locked>>
85%
39160
61%
**35
90%
[ADI AR 2217]*
<<locked>>
94%
38754
61%
**99
90%
[ADI AR 2225]*
<<locked>>
92%
32561
51%
**61
90%
Accurate 2700
<<locked>>
81%
52330
82%
**99
98%
[Accurate 3100]*
<<locked>>
81%
33750
53%
**44
94%
Accurate 4350
<<locked>>
81%
45484
71%
**66
99%
[Accurate MAGPRO]*
<<locked>>
89%
43642
68%
**59
90%
Alliant Reloder-16
<<locked>>
81%
43337
68%
**63
99%
Alliant Reloder-17
<<locked>>
81%
50589
79%
**23
100%
[Alliant Reloder-19]*
<<locked>>
81%
37956
59%
**95
92%
[Alliant Reloder-22]*
<<locked>>
82%
34548
54%
**27
90%
Alliant Reloder-23
<<locked>>
81%
32387
51%
**77
97%
[Alliant Reloder-25]*
<<locked>>
82%
28776
45%
**46
90%
Alliant Reloder-26
<<locked>>
81%
35462
56%
**15
96%
[Hodgdon H1000]*
<<locked>>
94%
38754
61%
**99
90%
Hodgdon H414
<<locked>>
81%
51561
81%
**01
98%
Hodgdon H4350
<<locked>>
81%
41611
65%
**31
95%
[Hodgdon H4831]*
<<locked>>
88%
39740
62%
**15
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
39711
62%
**09
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40959
64%
**48
99%
Hodgdon LVR
<<locked>>
81%
47906
75%
**28
99%
[Hodgdon Retumbo]*
<<locked>>
92%
32561
51%
**61
90%
Hodgdon Superperformance
<<locked>>
81%
47123
74%
**35
97%
Hodgdon VARGET
<<locked>>
81%
53359
84%
**74
100%
Hodgdon TrailBoss
<<locked>>
81%
27963
44%
**08
100%
IMR 4064
<<locked>>
81%
52808
83%
**61
100%
IMR 4166 Enduron
<<locked>>
81%
51532
81%
**28
98%
IMR 4350
<<locked>>
81%
43845
69%
**87
96%
IMR 4451 Enduron
<<locked>>
81%
49951
78%
**12
98%
IMR 4831
<<locked>>
81%
39247
62%
**02
98%
[IMR 4955 Enduron]*
<<locked>>
84%
39044
61%
**66
90%
[IMR 7828 SSC]*
<<locked>>
84%
38740
61%
**31
90%
Lovex S065
<<locked>>
81%
47326
74%
**63
98%
Lovex S070
<<locked>>
81%
45701
72%
**33
97%
[Lovex S071]*
<<locked>>
81%
28877
45%
**94
91%
[Norma 204]*
<<locked>>
81%
44019
69%
**23
94%
[Norma MRP]*
<<locked>>
81%
35404
55%
**69
92%
Norma URP
<<locked>>
81%
44628
70%
**53
99%
Ramshot Hunter
<<locked>>
81%
43743
69%
**43
97%
[Ramshot Magnum]*
<<locked>>
82%
33127
52%
**51
90%
ReloadSwiss RS 14
<<locked>>
81%
28529
45%
**54
100%
ReloadSwiss RS 60
<<locked>>
81%
48718
76%
**10
100%
ReloadSwiss RS 62
<<locked>>
81%
45629
71%
**86
99%
ReloadSwiss RS 70
<<locked>>
81%
43976
69%
**96
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
33315
52%
**17
90%
Rottweil R 903
<<locked>>
81%
52736
83%
**61
100%
[Rottweil R 904]*
<<locked>>
81%
39305
62%
**82
91%
[Rottweil R 905]*
<<locked>>
81%
37130
58%
**72
92%
Rottweil R 907
<<locked>>
81%
48544
76%
**82
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
52837
83%
**50
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46557
73%
**91
97%
Shooters World Long Rifle
<<locked>>
81%
47326
74%
**63
98%
Somchem S355
<<locked>>
81%
52475
82%
**64
100%
[Somchem S361]*
<<locked>>
81%
40393
63%
**59
91%
Somchem S365
<<locked>>
81%
41495
65%
**04
100%
[Somchem S385]*
<<locked>>
81%
37826
59%
**49
93%
Vihtavuori N135
<<locked>>
81%
50647
79%
**63
100%
Vihtavuori N150
<<locked>>
81%
45078
71%
**91
100%
Vihtavuori N160
<<locked>>
81%
48225
76%
**89
99%
[Vihtavuori N165]*
<<locked>>
82%
32445
51%
**95
90%
Vihtavuori N550
<<locked>>
81%
48950
77%
**48
99%
Vihtavuori N555
<<locked>>
81%
36303
57%
**63
97%
[Vihtavuori N560]*
<<locked>>
85%
39624
62%
**71
90%
[Vihtavuori N565]*
<<locked>>
89%
38740
61%
**15
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45614
71%
**14
100%
Winchester 760
<<locked>>
81%
51561
81%
**01
98%
Winchester StaBALL HD
<<locked>>
81%
27615
43%
**48
96%

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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