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Load data for .338-378 Weath. Mag. + .338 | 180gr | Woodleigh PP SN

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

.338-378 Weath. Mag. + .338 | 180gr | Woodleigh PP SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 180gr | Woodleigh PP SN
Manufacturer SKU:
56C
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.033" | 26.2mm
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:
0.249" | 6.3mm
Shank Seated Depth:
0.249" | 6.3mm
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_B12066_C472
Last updated:
2026-01-21

Load data for 132 loads in caliber .338-378 Weath. Mag. with .338 | 180gr | Woodleigh PP SN bullet and 66 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, 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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  • 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>>
90%
57043
89%
**22
99%
ADI AR 2213
<<locked>>
94%
56971
89%
**51
98%
ADI AR 2217
<<locked>>
97%
46789
73%
**41
96%
ADI AR 2225
<<locked>>
97%
42177
66%
**92
98%
Accurate 3100
<<locked>>
94%
57363
90%
**63
100%
Accurate 4350
<<locked>>
85%
57290
90%
**86
100%
Accurate MAGPRO
<<locked>>
94%
56898
89%
**48
96%
Alliant Reloder-16
<<locked>>
87%
57392
90%
**32
100%
Alliant Reloder-19 👍
<<locked>>
91%
57116
90%
**19
99%
Alliant Reloder-22
<<locked>>
94%
57101
89%
**55
99%
Alliant Reloder-23
<<locked>>
95%
57058
89%
**09
100%
Alliant Reloder-25
<<locked>>
97%
53200
83%
**02
100%
Alliant Reloder-26
<<locked>>
90%
57159
90%
**91
100%
Baschieri & Pellagri 109
<<locked>>
95%
57290
90%
**82
95%
Bofors RP15
<<locked>>
96%
57232
90%
**51
99%
Bofors RP30
<<locked>>
97%
49429
77%
**20
97%
Bofors RP5
<<locked>>
94%
57101
89%
**55
99%
Bofors RP7
<<locked>>
84%
57363
90%
**56
99%
Hodgdon H1000
<<locked>>
97%
46789
73%
**41
96%
Hodgdon H4350
<<locked>>
89%
57276
90%
**69
99%
Hodgdon H4831
<<locked>>
96%
57116
89%
**92
97%
Hodgdon H4831 SC
<<locked>>
92%
57116
89%
**92
97%
Hodgdon Hybrid 100V
<<locked>>
88%
57072
89%
**43
100%
Hodgdon LVR
<<locked>>
84%
57043
89%
**99
100%
Hodgdon Retumbo
<<locked>>
97%
42177
66%
**92
98%
Hodgdon Superperformance
<<locked>>
84%
57159
90%
**38
100%
Hodgdon TrailBoss
<<locked>>
97%
35621
56%
**37
100%
IMR 4350
<<locked>>
87%
57101
89%
**63
99%
IMR 4451 Enduron
<<locked>>
83%
57392
90%
**59
100%
IMR 4831
<<locked>>
90%
57029
89%
**69
100%
IMR 4955 Enduron
<<locked>>
93%
57188
90%
**59
98%
IMR 7828 SSC
<<locked>>
93%
57334
90%
**71
98%
[IMR 8133 Enduron]*
<<locked>>
97%
37942
59%
**84
93%
Lovex S065
<<locked>>
85%
57087
89%
**46
100%
Lovex S070
<<locked>>
86%
57130
90%
**59
100%
Lovex S071
<<locked>>
97%
53650
84%
**00
100%
Norma 204
<<locked>>
86%
57406
90%
**02
99%
Norma 217
<<locked>>
97%
37971
59%
**07
95%
Norma MRP 👍
<<locked>>
91%
57145
90%
**81
100%
Norma URP
<<locked>>
86%
57087
89%
**99
100%
Ramshot Grand
<<locked>>
90%
57058
89%
**64
98%
Ramshot Hunter
<<locked>>
87%
57305
90%
**09
100%
Ramshot Magnum
<<locked>>
94%
57145
90%
**15
100%
ReloadSwiss RS 14
<<locked>>
96%
36260
57%
**80
100%
ReloadSwiss RS 62
<<locked>>
85%
57029
89%
**02
100%
ReloadSwiss RS 70
<<locked>>
86%
57174
90%
**51
100%
ReloadSwiss RS 76
<<locked>>
97%
52750
83%
**51
100%
ReloadSwiss RS 80
<<locked>>
97%
47993
75%
**17
95%
Rottweil R 904
<<locked>>
90%
57377
90%
**76
98%
Rottweil R 905 👍
<<locked>>
91%
57174
90%
**19
99%
Rottweil R 907
<<locked>>
84%
57363
90%
**56
99%
SNPE Vectan Tubal 7000
<<locked>>
85%
57421
90%
**10
100%
Shooters World Long Rifle
<<locked>>
85%
57087
89%
**46
100%
Somchem S361
<<locked>>
89%
56971
89%
**30
97%
Somchem S365
<<locked>>
88%
57305
90%
**92
100%
Somchem S385
<<locked>>
91%
57159
90%
**82
99%
Vihtavuori N150
<<locked>>
86%
57377
90%
**00
100%
Vihtavuori N160
<<locked>>
84%
57174
90%
**50
100%
Vihtavuori N165
<<locked>>
96%
57377
90%
**66
99%
Vihtavuori N550
<<locked>>
83%
57188
90%
**92
100%
Vihtavuori N555
<<locked>>
92%
56927
89%
**99
100%
Vihtavuori N560
<<locked>>
93%
57421
90%
**74
98%
Vihtavuori N565
<<locked>>
97%
55796
87%
**19
98%
Vihtavuori N568
<<locked>>
97%
49110
77%
**33
95%
Winchester 6.5 StaBALL
<<locked>>
85%
57000
89%
**14
100%
Winchester StaBALL HD 👍
<<locked>>
96%
56942
89%
**07
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41249
65%
**13
95%
[ADI AR 2213]*
<<locked>>
81%
36796
58%
**15
91%
[ADI AR 2217]*
<<locked>>
88%
34679
54%
**40
90%
[ADI AR 2225]*
<<locked>>
86%
29385
46%
**18
90%
Accurate 3100
<<locked>>
81%
37231
58%
**72
97%
Accurate 4350
<<locked>>
81%
49763
78%
**58
100%
[Accurate MAGPRO]*
<<locked>>
83%
39117
61%
**77
90%
Alliant Reloder-16
<<locked>>
81%
47340
74%
**64
100%
Alliant Reloder-19
<<locked>>
81%
41379
65%
**04
95%
[Alliant Reloder-22]*
<<locked>>
81%
37014
58%
**22
93%
Alliant Reloder-23
<<locked>>
81%
35578
56%
**89
99%
[Alliant Reloder-25]*
<<locked>>
81%
30864
48%
**74
94%
Alliant Reloder-26
<<locked>>
81%
39494
62%
**49
99%
[Baschieri & Pellagri 109]*
<<locked>>
85%
42395
66%
**81
90%
[Bofors RP15]*
<<locked>>
81%
34490
54%
**59
92%
[Bofors RP30]*
<<locked>>
85%
32692
51%
**30
90%
[Bofors RP5]*
<<locked>>
81%
37014
58%
**22
93%
Bofors RP7
<<locked>>
81%
51895
81%
**68
99%
[Hodgdon H1000]*
<<locked>>
88%
34679
54%
**40
90%
Hodgdon H4350
<<locked>>
81%
44947
70%
**36
97%
[Hodgdon H4831]*
<<locked>>
82%
35346
55%
**30
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
38595
60%
**18
92%
Hodgdon Hybrid 100V
<<locked>>
81%
44730
70%
**43
100%
Hodgdon LVR
<<locked>>
81%
51938
81%
**07
100%
[Hodgdon Retumbo]*
<<locked>>
86%
29385
46%
**18
90%
Hodgdon Superperformance
<<locked>>
81%
51663
81%
**43
99%
Hodgdon TrailBoss
<<locked>>
81%
28239
44%
**67
100%
IMR 4350
<<locked>>
81%
47123
74%
**82
98%
IMR 4451 Enduron
<<locked>>
81%
53374
84%
**91
99%
IMR 4831
<<locked>>
81%
42757
67%
**07
99%
[IMR 4955 Enduron]*
<<locked>>
81%
38624
61%
**85
92%
[IMR 7828 SSC]*
<<locked>>
81%
37797
59%
**51
92%
[IMR 8133 Enduron]*
<<locked>>
94%
33910
53%
**69
90%
Lovex S065
<<locked>>
81%
50894
80%
**35
100%
Lovex S070
<<locked>>
81%
49139
77%
**28
99%
[Lovex S071]*
<<locked>>
81%
31807
50%
**28
94%
Norma 204
<<locked>>
81%
47485
74%
**25
97%
[Norma 217]*
<<locked>>
90%
29602
46%
**57
90%
Norma MRP
<<locked>>
81%
38899
61%
**04
96%
Norma URP
<<locked>>
81%
48486
76%
**38
100%
[Ramshot Grand]*
<<locked>>
81%
39392
62%
**00
93%
Ramshot Hunter
<<locked>>
81%
47427
74%
**41
99%
[Ramshot Magnum]*
<<locked>>
81%
34432
54%
**43
93%
ReloadSwiss RS 14
<<locked>>
81%
28877
45%
**09
100%
ReloadSwiss RS 62
<<locked>>
81%
49676
78%
**71
100%
ReloadSwiss RS 70
<<locked>>
81%
48022
75%
**91
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29646
46%
**54
90%
[ReloadSwiss RS 80]*
<<locked>>
90%
37362
59%
**71
90%
[Rottweil R 904]*
<<locked>>
81%
42641
67%
**87
94%
Rottweil R 905
<<locked>>
81%
40654
64%
**87
95%
Rottweil R 907
<<locked>>
81%
51895
81%
**68
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49821
78%
**76
99%
Shooters World Long Rifle
<<locked>>
81%
50894
80%
**35
100%
[Somchem S361]*
<<locked>>
81%
43555
68%
**74
94%
Somchem S365
<<locked>>
81%
45513
71%
**99
100%
Somchem S385
<<locked>>
81%
41176
65%
**67
96%
Vihtavuori N150
<<locked>>
81%
48559
76%
**59
100%
Vihtavuori N160
<<locked>>
81%
52199
82%
**77
100%
[Vihtavuori N165]*
<<locked>>
81%
34780
55%
**94
93%
Vihtavuori N550
<<locked>>
81%
52620
82%
**23
100%
Vihtavuori N555
<<locked>>
81%
39972
63%
**81
99%
[Vihtavuori N560]*
<<locked>>
81%
37086
58%
**41
91%
[Vihtavuori N565]*
<<locked>>
83%
34722
54%
**53
90%
[Vihtavuori N568]*
<<locked>>
90%
38624
61%
**87
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49414
77%
**89
100%
Winchester StaBALL HD
<<locked>>
81%
31763
50%
**95
99%

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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