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Load data for .338-378 Weath. Mag. + .338 | 200gr | Nosler Expansion Tip

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905

.338-378 Weath. Mag. + .338 | 200gr | Nosler Expansion Tip

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 200gr | Nosler Expansion Tip
Manufacturer SKU:
59186
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338-378 Weath. Mag. load data
Case Length (l3):
2.910" | 73.9mm
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_B4139_C472
Last updated:
2026-03-23
Recommended Twist Rate:
1:13 - 1:11

Load data for 136 loads in caliber .338-378 Weath. Mag. with .338 | 200gr | Nosler Expansion Tip bullet and 68 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, 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%
57421
90%
**97
99%
ADI AR 2213
<<locked>>
94%
57392
90%
**36
99%
ADI AR 2217
<<locked>>
97%
45498
71%
**04
96%
ADI AR 2225
<<locked>>
97%
41031
64%
**61
98%
Accurate 3100
<<locked>>
94%
57305
90%
**28
100%
Accurate 4350
<<locked>>
86%
57406
90%
**58
100%
Accurate MAGPRO
<<locked>>
94%
57290
90%
**30
97%
Alliant Reloder-16
<<locked>>
87%
56855
89%
**91
100%
Alliant Reloder-19 👍
<<locked>>
91%
57130
90%
**84
99%
Alliant Reloder-22
<<locked>>
94%
57363
90%
**20
99%
Alliant Reloder-23
<<locked>>
95%
57043
89%
**74
100%
Alliant Reloder-25 👍
<<locked>>
97%
51880
81%
**64
100%
Alliant Reloder-26
<<locked>>
91%
57217
90%
**53
100%
Baschieri & Pellagri 109
<<locked>>
95%
57029
89%
**58
96%
Bofors RP15
<<locked>>
97%
57261
90%
**27
99%
Bofors RP30
<<locked>>
97%
47747
75%
**72
97%
Bofors RP5
<<locked>>
94%
57363
90%
**20
99%
Bofors RP7
<<locked>>
85%
57305
90%
**22
100%
Hodgdon H1000
<<locked>>
97%
45498
71%
**04
96%
Hodgdon H4350
<<locked>>
89%
57116
90%
**35
100%
Hodgdon H4831
<<locked>>
97%
57305
90%
**68
98%
Hodgdon H4831 SC
<<locked>>
93%
57305
90%
**68
98%
Hodgdon Hybrid 100V
<<locked>>
89%
57116
89%
**12
100%
Hodgdon LVR
<<locked>>
85%
57392
90%
**64
100%
Hodgdon Retumbo
<<locked>>
97%
41031
64%
**61
98%
Hodgdon Superperformance
<<locked>>
84%
56985
89%
**97
100%
Hodgdon TrailBoss
<<locked>>
96%
35201
55%
**13
100%
IMR 4350
<<locked>>
88%
57363
90%
**31
100%
IMR 4451 Enduron
<<locked>>
83%
56855
89%
**18
100%
IMR 4831
<<locked>>
91%
57058
89%
**28
100%
IMR 4955 Enduron
<<locked>>
94%
57290
90%
**41
98%
IMR 7828 SSC
<<locked>>
93%
57276
90%
**36
99%
[IMR 8133 Enduron]*
<<locked>>
97%
36579
57%
**36
93%
Lovex S065
<<locked>>
85%
57363
90%
**15
100%
Lovex S070
<<locked>>
86%
57130
90%
**35
100%
Lovex S071
<<locked>>
97%
52069
82%
**49
100%
Norma 204
<<locked>>
87%
57072
89%
**68
99%
Norma 217
<<locked>>
97%
36419
57%
**69
96%
Norma MRP 👍
<<locked>>
92%
57290
90%
**43
100%
Norma URP
<<locked>>
87%
57246
90%
**61
100%
Ramshot Grand
<<locked>>
91%
56956
89%
**36
99%
Ramshot Hunter
<<locked>>
87%
57159
90%
**74
100%
Ramshot Magnum
<<locked>>
95%
57232
90%
**97
100%
ReloadSwiss RS 14
<<locked>>
97%
36274
57%
**62
100%
ReloadSwiss RS 62
<<locked>>
86%
57232
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
86%
56971
89%
**17
100%
ReloadSwiss RS 76
<<locked>>
97%
51343
80%
**04
100%
ReloadSwiss RS 80
<<locked>>
97%
46195
72%
**66
95%
Rottweil R 904
<<locked>>
90%
57130
90%
**41
99%
Rottweil R 905 👍
<<locked>>
92%
57377
90%
**91
99%
Rottweil R 907
<<locked>>
85%
57305
90%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
56956
89%
**63
100%
Shooters World Long Rifle
<<locked>>
85%
57363
90%
**15
100%
Somchem S361
<<locked>>
89%
56884
89%
**99
98%
Somchem S365
<<locked>>
88%
57000
89%
**41
100%
Somchem S385
<<locked>>
91%
57101
89%
**48
100%
Vihtavuori N135
<<locked>>
83%
57174
90%
**07
100%
Vihtavuori N150
<<locked>>
87%
57000
89%
**49
100%
Vihtavuori N160
<<locked>>
84%
56869
89%
**12
100%
Vihtavuori N165
<<locked>>
96%
57101
89%
**25
100%
Vihtavuori N550
<<locked>>
84%
57043
89%
**61
100%
Vihtavuori N555
<<locked>>
92%
56898
89%
**68
100%
Vihtavuori N560
<<locked>>
94%
57319
90%
**46
98%
Vihtavuori N565
<<locked>>
97%
54331
85%
**64
98%
Vihtavuori N568
<<locked>>
97%
47442
74%
**89
95%
Winchester 6.5 StaBALL
<<locked>>
86%
57435
90%
**79
100%
Winchester StaBALL HD
<<locked>>
96%
57014
89%
**79
100%
Winchester Supreme 780
<<locked>>
91%
57276
90%
**48
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40466
63%
**69
96%
[ADI AR 2213]*
<<locked>>
81%
36027
56%
**90
92%
[ADI AR 2217]*
<<locked>>
87%
32300
51%
**75
90%
[ADI AR 2225]*
<<locked>>
85%
27383
43%
**57
90%
Accurate 3100
<<locked>>
81%
35781
56%
**25
97%
Accurate 4350
<<locked>>
81%
48370
76%
**04
100%
[Accurate MAGPRO]*
<<locked>>
82%
36782
58%
**13
90%
Alliant Reloder-16
<<locked>>
81%
46572
73%
**17
100%
Alliant Reloder-19
<<locked>>
81%
40393
63%
**62
96%
[Alliant Reloder-22]*
<<locked>>
81%
36129
57%
**94
94%
Alliant Reloder-23
<<locked>>
81%
34519
54%
**57
99%
Alliant Reloder-25
<<locked>>
81%
30052
47%
**52
95%
Alliant Reloder-26
<<locked>>
81%
38421
60%
**12
99%
[Baschieri & Pellagri 109]*
<<locked>>
84%
39900
63%
**07
90%
[Bofors RP15]*
<<locked>>
81%
33475
52%
**31
93%
[Bofors RP30]*
<<locked>>
85%
31154
49%
**79
90%
[Bofors RP5]*
<<locked>>
81%
36129
57%
**94
94%
Bofors RP7
<<locked>>
81%
50966
80%
**13
99%
[Hodgdon H1000]*
<<locked>>
87%
32300
51%
**75
90%
Hodgdon H4350
<<locked>>
81%
44092
69%
**95
98%
[Hodgdon H4831]*
<<locked>>
81%
33750
53%
**82
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37884
59%
**80
92%
Hodgdon Hybrid 100V
<<locked>>
81%
43787
69%
**89
100%
Hodgdon LVR
<<locked>>
81%
50894
80%
**59
100%
[Hodgdon Retumbo]*
<<locked>>
85%
27383
43%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
50575
79%
**92
99%
Hodgdon TrailBoss
<<locked>>
81%
28123
44%
**52
100%
IMR 4350
<<locked>>
81%
46412
73%
**48
98%
IMR 4451 Enduron
<<locked>>
81%
52547
82%
**49
100%
IMR 4831
<<locked>>
81%
41626
65%
**59
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37869
59%
**54
93%
[IMR 7828 SSC]*
<<locked>>
81%
36753
58%
**23
93%
[IMR 8133 Enduron]*
<<locked>>
93%
31879
50%
**08
90%
Lovex S065
<<locked>>
81%
49719
78%
**87
100%
Lovex S070
<<locked>>
81%
48196
76%
**74
99%
Lovex S071
<<locked>>
81%
30690
48%
**90
95%
Norma 204
<<locked>>
81%
46543
73%
**84
97%
[Norma 217]*
<<locked>>
89%
27789
44%
**07
90%
Norma MRP
<<locked>>
81%
37855
59%
**66
97%
Norma URP
<<locked>>
81%
47558
75%
**97
100%
[Ramshot Grand]*
<<locked>>
81%
38305
60%
**76
94%
Ramshot Hunter
<<locked>>
81%
46383
73%
**87
99%
[Ramshot Magnum]*
<<locked>>
81%
33330
52%
**15
94%
ReloadSwiss RS 14
<<locked>>
81%
28790
45%
**95
100%
ReloadSwiss RS 62
<<locked>>
81%
48530
76%
**27
100%
ReloadSwiss RS 70
<<locked>>
81%
47007
74%
**53
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28253
44%
**07
90%
[ReloadSwiss RS 80]*
<<locked>>
90%
35027
55%
**03
90%
Rottweil R 904
<<locked>>
81%
41858
66%
**53
95%
Rottweil R 905
<<locked>>
81%
39740
62%
**53
96%
Rottweil R 907
<<locked>>
81%
50966
80%
**13
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48747
76%
**31
99%
Shooters World Long Rifle
<<locked>>
81%
49719
78%
**87
100%
[Somchem S361]*
<<locked>>
81%
42540
67%
**40
94%
Somchem S365
<<locked>>
81%
44527
70%
**44
100%
Somchem S385
<<locked>>
81%
40234
63%
**33
97%
Vihtavuori N135
<<locked>>
81%
53635
84%
**58
100%
Vihtavuori N150
<<locked>>
81%
47398
74%
**05
100%
Vihtavuori N160
<<locked>>
81%
50952
80%
**27
100%
[Vihtavuori N165]*
<<locked>>
81%
33750
53%
**66
94%
Vihtavuori N550
<<locked>>
81%
51779
81%
**72
100%
Vihtavuori N555
<<locked>>
81%
38682
61%
**40
99%
[Vihtavuori N560]*
<<locked>>
81%
36143
57%
**07
92%
[Vihtavuori N565]*
<<locked>>
82%
32213
50%
**89
90%
[Vihtavuori N568]*
<<locked>>
90%
36303
57%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
48443
76%
**48
100%
Winchester StaBALL HD
<<locked>>
81%
30472
48%
**57
100%
Winchester Supreme 780
<<locked>>
81%
40263
63%
**33
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.

<<locked>>... you need to buy an access license to unlock the data

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