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Load data for .338-378 Weath. Mag. + .338 | 200gr | Peregrine VLR-4

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905

.338-378 Weath. Mag. + .338 | 200gr | Peregrine VLR-4

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 200gr | Peregrine VLR-4
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.445" | 36.7mm
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:
0.661" | 16.8mm
Shank Seated Depth:
0.417" | 10.6mm
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_B8153_C472
Last updated:
2025-09-18
Recommended Twist Rate:
1:13 - 1:11

Load data for 124 loads in caliber .338-378 Weath. Mag. with .338 | 200gr | Peregrine VLR-4 bullet and 62 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905. 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>>
91%
57261
90%
**87
99%
ADI AR 2213
<<locked>>
94%
57377
90%
**27
99%
ADI AR 2217
<<locked>>
97%
47050
74%
**27
97%
ADI AR 2225
<<locked>>
97%
41814
66%
**77
99%
Accurate 3100
<<locked>>
93%
57029
89%
**25
100%
Accurate 4350
<<locked>>
85%
57029
89%
**41
100%
Accurate MAGPRO
<<locked>>
94%
57305
90%
**36
97%
Alliant Reloder-16
<<locked>>
87%
57377
90%
**91
100%
Alliant Reloder-19 👍
<<locked>>
91%
57101
89%
**91
99%
Alliant Reloder-22 👍
<<locked>>
93%
56898
89%
**20
99%
Alliant Reloder-23
<<locked>>
95%
57159
90%
**68
100%
Alliant Reloder-25
<<locked>>
97%
53011
83%
**74
100%
Alliant Reloder-26
<<locked>>
91%
57363
90%
**59
100%
Hodgdon H1000
<<locked>>
97%
47050
74%
**27
97%
Hodgdon H4350
<<locked>>
88%
56971
89%
**25
100%
Hodgdon H4831
<<locked>>
96%
56913
89%
**58
98%
Hodgdon H4831 SC
<<locked>>
92%
57145
90%
**68
98%
Hodgdon Hybrid 100V
<<locked>>
88%
57043
89%
**02
100%
Hodgdon LVR
<<locked>>
84%
57203
90%
**54
100%
Hodgdon Retumbo
<<locked>>
97%
41814
66%
**77
99%
Hodgdon Superperformance
<<locked>>
84%
56985
89%
**04
100%
Hodgdon TrailBoss
<<locked>>
97%
35491
56%
**16
100%
IMR 4350
<<locked>>
87%
57305
90%
**38
100%
IMR 4451 Enduron
<<locked>>
83%
57217
90%
**25
100%
IMR 4831
<<locked>>
90%
57130
90%
**35
100%
IMR 4955 Enduron
<<locked>>
93%
57014
89%
**31
98%
IMR 7828 SSC
<<locked>>
93%
57348
90%
**33
99%
[IMR 7977 Enduron]*
<<locked>>
97%
55071
86%
**43
91%
[IMR 8133 Enduron]*
<<locked>>
97%
37710
59%
**76
94%
Lovex S065
<<locked>>
85%
57392
90%
**09
100%
Lovex S070
<<locked>>
86%
57188
90%
**28
100%
Lovex S071
<<locked>>
97%
53519
84%
**69
100%
Norma 204
<<locked>>
86%
57116
90%
**64
99%
Norma 217
<<locked>>
97%
37942
59%
**95
96%
Norma MRP 👍
<<locked>>
92%
57421
90%
**40
100%
Norma URP
<<locked>>
86%
57203
90%
**51
100%
Ramshot Hunter
<<locked>>
87%
57232
90%
**74
100%
Ramshot Magnum
<<locked>>
94%
57377
90%
**04
100%
ReloadSwiss RS 14
<<locked>>
97%
36390
57%
**62
100%
ReloadSwiss RS 62
<<locked>>
85%
57087
89%
**71
100%
ReloadSwiss RS 70
<<locked>>
86%
57421
90%
**27
100%
ReloadSwiss RS 76
<<locked>>
97%
52605
82%
**40
100%
ReloadSwiss RS 80
<<locked>>
97%
47718
75%
**99
96%
Rottweil R 904
<<locked>>
90%
56971
89%
**45
99%
Rottweil R 905 👍
<<locked>>
91%
57000
89%
**81
99%
Rottweil R 907
<<locked>>
84%
57203
90%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57145
90%
**76
100%
Shooters World Long Rifle
<<locked>>
85%
57392
90%
**09
100%
Somchem S361
<<locked>>
89%
57406
90%
**12
98%
Somchem S365
<<locked>>
88%
57072
89%
**48
100%
Somchem S385
<<locked>>
91%
57087
89%
**38
100%
Vihtavuori N150
<<locked>>
86%
57145
90%
**49
100%
Vihtavuori N160
<<locked>>
84%
57159
90%
**12
100%
Vihtavuori N165
<<locked>>
96%
56956
89%
**28
100%
Vihtavuori N550
<<locked>>
83%
57116
89%
**54
100%
Vihtavuori N555
<<locked>>
92%
57392
90%
**71
100%
Vihtavuori N560
<<locked>>
93%
57319
90%
**53
98%
Vihtavuori N565
<<locked>>
97%
55927
88%
**91
98%
Vihtavuori N568
<<locked>>
97%
48704
76%
**09
95%
[Vihtavuori N570]*
<<locked>>
97%
46499
73%
**92
92%
Winchester 6.5 StaBALL
<<locked>>
85%
56942
89%
**72
100%
Winchester StaBALL HD
<<locked>>
96%
57406
90%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41336
65%
**92
96%
[ADI AR 2213]*
<<locked>>
81%
36927
58%
**07
93%
[ADI AR 2217]*
<<locked>>
86%
32329
51%
**66
90%
[ADI AR 2225]*
<<locked>>
84%
27166
43%
**48
90%
Accurate 3100
<<locked>>
81%
37057
58%
**54
98%
Accurate 4350
<<locked>>
81%
49574
78%
**30
100%
[Accurate MAGPRO]*
<<locked>>
81%
36390
57%
**03
90%
Alliant Reloder-16
<<locked>>
81%
47543
75%
**36
100%
Alliant Reloder-19
<<locked>>
81%
41249
65%
**85
96%
Alliant Reloder-22
<<locked>>
81%
37173
58%
**26
95%
Alliant Reloder-23
<<locked>>
81%
35621
56%
**80
100%
Alliant Reloder-25
<<locked>>
81%
30937
48%
**79
96%
Alliant Reloder-26
<<locked>>
81%
39610
62%
**38
99%
[Hodgdon H1000]*
<<locked>>
86%
32329
51%
**66
90%
Hodgdon H4350
<<locked>>
81%
44976
70%
**18
98%
[Hodgdon H4831]*
<<locked>>
81%
34766
54%
**08
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
38725
61%
**07
93%
Hodgdon Hybrid 100V
<<locked>>
81%
44831
70%
**12
100%
Hodgdon LVR
<<locked>>
81%
51909
81%
**69
100%
[Hodgdon Retumbo]*
<<locked>>
84%
27166
43%
**48
90%
Hodgdon Superperformance
<<locked>>
81%
51663
81%
**15
99%
Hodgdon TrailBoss
<<locked>>
81%
28355
44%
**59
100%
IMR 4350
<<locked>>
81%
47311
74%
**58
99%
IMR 4451 Enduron
<<locked>>
81%
53476
84%
**56
100%
IMR 4831
<<locked>>
81%
42743
67%
**85
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38827
61%
**71
93%
[IMR 7828 SSC]*
<<locked>>
81%
37942
59%
**43
93%
[IMR 7977 Enduron]*
<<locked>>
94%
50836
80%
**67
90%
[IMR 8133 Enduron]*
<<locked>>
92%
31792
50%
**05
90%
Lovex S065
<<locked>>
81%
50879
80%
**10
100%
Lovex S070
<<locked>>
81%
49269
77%
**97
99%
Lovex S071
<<locked>>
81%
31836
50%
**23
96%
Norma 204
<<locked>>
81%
47805
75%
**07
98%
[Norma 217]*
<<locked>>
88%
27615
43%
**93
90%
Norma MRP
<<locked>>
81%
38957
61%
**89
97%
Norma URP
<<locked>>
81%
48515
76%
**17
100%
Ramshot Hunter
<<locked>>
81%
47529
74%
**04
99%
[Ramshot Magnum]*
<<locked>>
81%
34272
54%
**38
94%
ReloadSwiss RS 14
<<locked>>
81%
28863
45%
**98
100%
ReloadSwiss RS 62
<<locked>>
81%
49908
78%
**49
100%
ReloadSwiss RS 70
<<locked>>
81%
48008
75%
**63
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29283
46%
**49
92%
[ReloadSwiss RS 80]*
<<locked>>
89%
35041
55%
**00
90%
Rottweil R 904
<<locked>>
81%
42743
67%
**76
95%
Rottweil R 905
<<locked>>
81%
40741
64%
**69
96%
Rottweil R 907
<<locked>>
81%
51924
81%
**33
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49995
78%
**51
99%
Shooters World Long Rifle
<<locked>>
81%
50879
80%
**10
100%
Somchem S361
<<locked>>
81%
43526
68%
**53
95%
Somchem S365
<<locked>>
81%
45527
71%
**64
100%
Somchem S385
<<locked>>
81%
41321
65%
**53
97%
Vihtavuori N150
<<locked>>
81%
48544
76%
**22
100%
Vihtavuori N160
<<locked>>
81%
52286
82%
**46
100%
[Vihtavuori N165]*
<<locked>>
81%
34722
54%
**85
94%
Vihtavuori N550
<<locked>>
81%
52823
83%
**92
100%
Vihtavuori N555
<<locked>>
81%
40118
63%
**62
100%
[Vihtavuori N560]*
<<locked>>
81%
37072
58%
**26
92%
[Vihtavuori N565]*
<<locked>>
81%
32314
51%
**85
90%
[Vihtavuori N568]*
<<locked>>
89%
36390
57%
**26
90%
[Vihtavuori N570]*
<<locked>>
94%
42308
66%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49501
78%
**61
100%
Winchester StaBALL HD
<<locked>>
81%
31894
50%
**07
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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