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Load data for .338-378 Weath. Mag. + .338 | 180gr | CutEdge ESP Raptor

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

.338-378 Weath. Mag. + .338 | 180gr | CutEdge ESP Raptor

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 180gr | CutEdge ESP Raptor
Manufacturer SKU:
ESP D175 RAPTOR WT
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.557" | 39.5mm
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:
0.773" | 19.6mm
Shank Seated Depth:
0.773" | 19.6mm
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_B8505_C472
Last updated:
2025-09-18

Load data for 142 loads in caliber .338-378 Weath. Mag. with .338 | 180gr | CutEdge ESP Raptor bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, 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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  • 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
<<locked>>
84%
57319
90%
**36
100%
ADI AR 2209
<<locked>>
94%
57072
89%
**19
99%
ADI AR 2213
<<locked>>
97%
55753
87%
**28
97%
[ADI AR 2217]*
<<locked>>
97%
40654
64%
**94
93%
[ADI AR 2225]*
<<locked>>
97%
35969
56%
**25
94%
Accurate 2700
<<locked>>
85%
57435
90%
**91
99%
Accurate 3100
<<locked>>
97%
55695
87%
**30
100%
Accurate 4350
<<locked>>
89%
56797
89%
**76
100%
Accurate MAGPRO
<<locked>>
97%
55245
87%
**25
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
57377
90%
**43
100%
Alliant Reloder-16
<<locked>>
90%
57159
90%
**41
100%
Alliant Reloder-17
<<locked>>
86%
57319
90%
**38
100%
Alliant Reloder-19
<<locked>>
94%
56869
89%
**05
98%
Alliant Reloder-22
<<locked>>
97%
55419
87%
**19
98%
Alliant Reloder-23
<<locked>>
97%
52721
83%
**46
100%
Alliant Reloder-25
<<locked>>
97%
45266
71%
**58
99%
Alliant Reloder-26 👍
<<locked>>
95%
57232
90%
**04
100%
[Hodgdon H1000]*
<<locked>>
97%
40654
64%
**94
93%
Hodgdon H414
<<locked>>
85%
57087
89%
**05
99%
Hodgdon H4350
<<locked>>
92%
57276
90%
**53
99%
Hodgdon H4831
<<locked>>
97%
51648
81%
**87
96%
Hodgdon H4831 SC
<<locked>>
96%
56855
89%
**76
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57116
90%
**50
100%
Hodgdon LVR
<<locked>>
88%
57435
90%
**99
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35969
56%
**25
94%
Hodgdon Superperformance
<<locked>>
87%
57014
89%
**28
99%
Hodgdon VARGET
<<locked>>
84%
57319
90%
**36
100%
Hodgdon TrailBoss
<<locked>>
97%
35128
55%
**95
100%
IMR 4064
<<locked>>
85%
57421
90%
**33
100%
IMR 4166 Enduron
<<locked>>
85%
57101
89%
**23
99%
IMR 4350
<<locked>>
91%
57406
90%
**56
99%
IMR 4451 Enduron
<<locked>>
86%
57159
90%
**43
99%
IMR 4831 👍
<<locked>>
94%
57435
90%
**69
100%
IMR 4955 Enduron
<<locked>>
97%
56797
89%
**53
97%
IMR 7828 SSC
<<locked>>
97%
57305
90%
**61
98%
Lovex S065
<<locked>>
88%
57072
89%
**36
100%
Lovex S070
<<locked>>
89%
56985
89%
**53
100%
Lovex S071
<<locked>>
97%
45919
72%
**59
99%
Norma 204
<<locked>>
90%
56869
89%
**89
98%
Norma MRP
<<locked>>
96%
57261
90%
**81
100%
Norma URP
<<locked>>
90%
57305
90%
**99
100%
Ramshot Hunter 👍
<<locked>>
90%
57145
90%
**05
100%
Ramshot Magnum
<<locked>>
97%
54969
86%
**89
99%
ReloadSwiss RS 14
<<locked>>
97%
35723
56%
**41
100%
ReloadSwiss RS 60
<<locked>>
87%
56942
89%
**48
100%
ReloadSwiss RS 62
<<locked>>
89%
57000
89%
**99
100%
ReloadSwiss RS 70
<<locked>>
90%
57348
90%
**64
100%
ReloadSwiss RS 76
<<locked>>
97%
44556
70%
**81
98%
Rottweil R 903
<<locked>>
85%
56956
89%
**27
100%
Rottweil R 904
<<locked>>
94%
57072
89%
**59
98%
Rottweil R 905
<<locked>>
95%
57014
89%
**05
99%
Rottweil R 907
<<locked>>
87%
56971
89%
**46
99%
SNPE Vectan SP 11
<<locked>>
84%
57101
89%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57145
90%
**09
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57145
90%
**97
99%
Shooters World Long Rifle
<<locked>>
88%
57072
89%
**36
100%
Somchem S355
<<locked>>
85%
57377
90%
**46
100%
Somchem S361
<<locked>>
93%
57348
90%
**30
97%
Somchem S365
<<locked>>
92%
57174
90%
**92
100%
Somchem S385
<<locked>>
95%
57377
90%
**76
99%
Vihtavuori N135
<<locked>>
86%
57290
90%
**45
100%
Vihtavuori N150
<<locked>>
90%
57145
90%
**84
100%
Vihtavuori N160
<<locked>>
87%
57130
90%
**46
100%
Vihtavuori N165
<<locked>>
97%
51488
81%
**61
98%
Vihtavuori N550
<<locked>>
87%
57174
90%
**86
100%
Vihtavuori N555 👍
<<locked>>
96%
57261
90%
**15
100%
Vihtavuori N560
<<locked>>
97%
55956
88%
**55
97%
Vihtavuori N565
<<locked>>
97%
47427
74%
**64
95%
Winchester 6.5 StaBALL
<<locked>>
89%
56956
89%
**14
100%
Winchester 760
<<locked>>
85%
57087
89%
**05
99%
Winchester StaBALL HD 👍
<<locked>>
97%
49226
77%
**02
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51851
81%
**54
100%
[ADI AR 2209]*
<<locked>>
81%
36201
57%
**79
92%
[ADI AR 2213]*
<<locked>>
84%
36013
56%
**92
90%
[ADI AR 2217]*
<<locked>>
93%
36172
57%
**79
90%
[ADI AR 2225]*
<<locked>>
92%
30066
47%
**44
90%
Accurate 2700
<<locked>>
81%
50125
79%
**72
98%
[Accurate 3100]*
<<locked>>
81%
31488
49%
**25
94%
Accurate 4350
<<locked>>
81%
42931
67%
**30
99%
[Accurate MAGPRO]*
<<locked>>
88%
40350
63%
**17
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52881
83%
**71
100%
Alliant Reloder-16
<<locked>>
81%
41423
65%
**46
99%
Alliant Reloder-17
<<locked>>
81%
48022
75%
**81
100%
[Alliant Reloder-19]*
<<locked>>
81%
36056
56%
**76
92%
[Alliant Reloder-22]*
<<locked>>
81%
32024
50%
**90
90%
Alliant Reloder-23
<<locked>>
81%
30472
48%
**57
97%
[Alliant Reloder-25]*
<<locked>>
81%
26629
42%
**30
90%
Alliant Reloder-26
<<locked>>
81%
33243
52%
**95
96%
[Hodgdon H1000]*
<<locked>>
93%
36172
57%
**79
90%
Hodgdon H414
<<locked>>
81%
49124
77%
**74
98%
Hodgdon H4350
<<locked>>
81%
40030
63%
**25
95%
[Hodgdon H4831]*
<<locked>>
87%
36811
58%
**72
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
36811
58%
**72
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38914
61%
**22
99%
Hodgdon LVR
<<locked>>
81%
45759
72%
**89
99%
[Hodgdon Retumbo]*
<<locked>>
92%
30066
47%
**44
90%
Hodgdon Superperformance
<<locked>>
81%
44686
70%
**05
97%
Hodgdon VARGET
<<locked>>
81%
51445
81%
**35
100%
Hodgdon TrailBoss
<<locked>>
81%
27804
44%
**27
100%
IMR 4064
<<locked>>
81%
50807
80%
**18
100%
IMR 4166 Enduron
<<locked>>
81%
49850
78%
**95
98%
IMR 4350
<<locked>>
81%
41974
66%
**71
96%
IMR 4451 Enduron
<<locked>>
81%
48095
75%
**89
98%
IMR 4831
<<locked>>
81%
37115
58%
**89
98%
[IMR 4955 Enduron]*
<<locked>>
83%
36201
57%
**20
90%
[IMR 7828 SSC]*
<<locked>>
84%
36129
57%
**02
90%
Lovex S065
<<locked>>
81%
45397
71%
**30
99%
Lovex S070
<<locked>>
81%
43656
68%
**13
97%
[Lovex S071]*
<<locked>>
81%
26905
42%
**87
91%
Norma 204
<<locked>>
81%
41872
66%
**00
95%
[Norma MRP]*
<<locked>>
81%
33156
52%
**53
93%
Norma URP
<<locked>>
81%
42511
67%
**17
99%
Ramshot Hunter
<<locked>>
81%
41452
65%
**17
97%
[Ramshot Magnum]*
<<locked>>
82%
30792
48%
**41
90%
ReloadSwiss RS 14
<<locked>>
81%
28369
44%
**73
100%
ReloadSwiss RS 60
<<locked>>
81%
46238
72%
**68
100%
ReloadSwiss RS 62
<<locked>>
81%
43134
68%
**59
99%
ReloadSwiss RS 70
<<locked>>
81%
41756
65%
**63
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
30864
48%
**90
90%
Rottweil R 903
<<locked>>
81%
50357
79%
**31
100%
[Rottweil R 904]*
<<locked>>
81%
37637
59%
**69
92%
[Rottweil R 905]*
<<locked>>
81%
35201
55%
**56
92%
Rottweil R 907
<<locked>>
81%
46427
73%
**43
97%
SNPE Vectan SP 11
<<locked>>
81%
51938
81%
**81
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51097
80%
**27
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44251
69%
**58
97%
Shooters World Long Rifle
<<locked>>
81%
45397
71%
**30
99%
Somchem S355
<<locked>>
81%
50328
79%
**28
100%
[Somchem S361]*
<<locked>>
81%
38305
60%
**43
91%
Somchem S365
<<locked>>
81%
39131
61%
**74
100%
[Somchem S385]*
<<locked>>
81%
35766
56%
**40
94%
Vihtavuori N135
<<locked>>
81%
48631
76%
**20
100%
Vihtavuori N150
<<locked>>
81%
42975
67%
**54
100%
Vihtavuori N160
<<locked>>
81%
45876
72%
**63
99%
[Vihtavuori N165]*
<<locked>>
81%
30226
47%
**79
90%
Vihtavuori N550
<<locked>>
81%
46601
73%
**05
99%
Vihtavuori N555
<<locked>>
81%
33982
53%
**43
97%
[Vihtavuori N560]*
<<locked>>
85%
36883
58%
**35
90%
[Vihtavuori N565]*
<<locked>>
89%
35665
56%
**89
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43439
68%
**87
100%
Winchester 760
<<locked>>
81%
49124
77%
**74
98%
Winchester StaBALL HD
<<locked>>
81%
25063
39%
**28
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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