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Load data for .338-378 Weath. Mag. + .338 | 175gr | CutEdge ESP Raptor

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

.338-378 Weath. Mag. + .338 | 175gr | CutEdge ESP Raptor

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 175gr | CutEdge ESP Raptor
Manufacturer SKU:
ESP D175 RAPTOR WoT
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.138" | 28.9mm
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:
0.354" | 9.0mm
Shank Seated Depth:
0.354" | 9.0mm
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_B8503_C472
Last updated:
2025-09-18

Load data for 138 loads in caliber .338-378 Weath. Mag. with .338 | 175gr | CutEdge ESP Raptor bullet and 69 powders such as Alliant Reloder-23, Alliant Reloder-26, Norma MRP, 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 2209
<<locked>>
92%
57043
89%
**55
99%
ADI AR 2213
<<locked>>
95%
57072
89%
**87
98%
[ADI AR 2217]*
<<locked>>
97%
43801
69%
**05
94%
ADI AR 2225
<<locked>>
97%
39088
61%
**49
96%
Accurate 2700
<<locked>>
83%
57043
89%
**43
99%
Accurate 3100
<<locked>>
96%
57159
90%
**99
100%
Accurate 4350
<<locked>>
87%
57029
89%
**19
100%
Accurate MAGPRO
<<locked>>
96%
57087
89%
**87
96%
Alliant Reloder-16
<<locked>>
88%
57290
90%
**81
100%
Alliant Reloder-17
<<locked>>
84%
57334
90%
**78
100%
Alliant Reloder-19
<<locked>>
93%
57305
90%
**58
99%
Alliant Reloder-22
<<locked>>
95%
56956
89%
**87
99%
Alliant Reloder-23 👍
<<locked>>
97%
57246
90%
**51
100%
Alliant Reloder-25
<<locked>>
97%
49458
77%
**73
100%
Alliant Reloder-26 👍
<<locked>>
93%
57290
90%
**30
100%
[Hodgdon H1000]*
<<locked>>
97%
43801
69%
**05
94%
Hodgdon H414
<<locked>>
83%
57276
90%
**51
100%
Hodgdon H4350
<<locked>>
90%
57276
90%
**99
99%
Hodgdon H4831
<<locked>>
97%
55419
87%
**96
97%
Hodgdon H4831 SC
<<locked>>
94%
57246
90%
**25
97%
Hodgdon Hybrid 100V
<<locked>>
90%
57421
90%
**96
100%
Hodgdon LVR
<<locked>>
86%
57159
90%
**38
100%
Hodgdon Retumbo
<<locked>>
97%
39088
61%
**49
96%
Hodgdon Superperformance
<<locked>>
85%
57159
90%
**74
99%
Hodgdon TrailBoss
<<locked>>
96%
34983
55%
**47
100%
IMR 4064
<<locked>>
83%
57290
90%
**73
100%
IMR 4166 Enduron
<<locked>>
84%
57363
90%
**82
100%
IMR 4350
<<locked>>
89%
57116
89%
**05
99%
IMR 4451 Enduron
<<locked>>
85%
57159
90%
**99
100%
IMR 4831
<<locked>>
92%
57290
90%
**09
100%
IMR 4955 Enduron
<<locked>>
95%
57319
90%
**05
97%
IMR 7828 SSC
<<locked>>
94%
57130
90%
**97
98%
Lovex S065
<<locked>>
86%
56913
89%
**76
100%
Lovex S070
<<locked>>
88%
57159
90%
**99
100%
Lovex S071
<<locked>>
97%
49676
78%
**74
99%
Norma 204
<<locked>>
88%
57232
90%
**41
99%
[Norma 217]*
<<locked>>
97%
34577
54%
**44
93%
Norma MRP 👍
<<locked>>
93%
57014
89%
**10
100%
Norma URP
<<locked>>
88%
57232
90%
**28
100%
Ramshot Hunter
<<locked>>
88%
56942
89%
**45
100%
Ramshot Magnum
<<locked>>
96%
57334
90%
**55
99%
ReloadSwiss RS 14
<<locked>>
97%
35955
56%
**00
100%
ReloadSwiss RS 60
<<locked>>
85%
57406
90%
**87
100%
ReloadSwiss RS 62
<<locked>>
87%
57319
90%
**48
100%
ReloadSwiss RS 70
<<locked>>
88%
57363
90%
**97
100%
ReloadSwiss RS 76
<<locked>>
97%
48921
77%
**25
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
43787
69%
**51
93%
Rottweil R 903
<<locked>>
83%
57116
90%
**82
100%
Rottweil R 904
<<locked>>
92%
57392
90%
**15
98%
Rottweil R 905
<<locked>>
93%
57261
90%
**61
99%
Rottweil R 907
<<locked>>
86%
57087
89%
**86
99%
SNPE Vectan Tubal 7000
<<locked>>
87%
56710
89%
**30
99%
Shooters World Long Rifle
<<locked>>
86%
56913
89%
**76
100%
Somchem S355
<<locked>>
83%
57043
89%
**76
100%
Somchem S361
<<locked>>
91%
57363
90%
**73
97%
Somchem S365
<<locked>>
89%
56869
89%
**28
100%
Somchem S385
<<locked>>
93%
57000
89%
**02
99%
Vihtavuori N135
<<locked>>
84%
57232
90%
**91
100%
Vihtavuori N150
<<locked>>
88%
57319
90%
**36
100%
Vihtavuori N160
<<locked>>
86%
57348
90%
**92
100%
Vihtavuori N165
<<locked>>
97%
55521
87%
**73
99%
Vihtavuori N550
<<locked>>
85%
57014
89%
**25
100%
Vihtavuori N555 👍
<<locked>>
94%
57014
89%
**41
100%
Vihtavuori N560
<<locked>>
95%
57087
89%
**04
97%
Vihtavuori N565
<<locked>>
97%
51808
81%
**76
96%
[Vihtavuori N568]*
<<locked>>
97%
45136
71%
**87
93%
Winchester 6.5 StaBALL
<<locked>>
87%
57217
90%
**59
100%
Winchester 760
<<locked>>
83%
57276
90%
**51
100%
Winchester StaBALL HD 👍
<<locked>>
97%
54882
86%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
38667
61%
**84
94%
[ADI AR 2213]*
<<locked>>
82%
35650
56%
**15
90%
[ADI AR 2217]*
<<locked>>
91%
35549
56%
**95
90%
[ADI AR 2225]*
<<locked>>
89%
29762
47%
**64
90%
Accurate 2700
<<locked>>
81%
52939
83%
**68
99%
Accurate 3100
<<locked>>
81%
33924
53%
**17
95%
Accurate 4350
<<locked>>
81%
46079
72%
**35
100%
[Accurate MAGPRO]*
<<locked>>
86%
40045
63%
**36
90%
Alliant Reloder-16
<<locked>>
81%
44309
69%
**45
100%
Alliant Reloder-17
<<locked>>
81%
51851
81%
**86
100%
[Alliant Reloder-19]*
<<locked>>
81%
38551
60%
**64
94%
[Alliant Reloder-22]*
<<locked>>
81%
34185
54%
**89
92%
Alliant Reloder-23
<<locked>>
81%
32822
51%
**62
98%
[Alliant Reloder-25]*
<<locked>>
81%
28456
45%
**25
92%
Alliant Reloder-26
<<locked>>
81%
36129
57%
**90
97%
[Hodgdon H1000]*
<<locked>>
91%
35549
56%
**95
90%
Hodgdon H414
<<locked>>
81%
52533
82%
**76
99%
Hodgdon H4350
<<locked>>
81%
42453
67%
**20
96%
[Hodgdon H4831]*
<<locked>>
85%
36825
58%
**99
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36361
57%
**92
90%
Hodgdon Hybrid 100V
<<locked>>
81%
41713
65%
**20
100%
Hodgdon LVR
<<locked>>
81%
48733
76%
**84
100%
[Hodgdon Retumbo]*
<<locked>>
89%
29762
47%
**64
90%
Hodgdon Superperformance
<<locked>>
81%
48138
75%
**10
98%
Hodgdon TrailBoss
<<locked>>
81%
27905
44%
**77
100%
IMR 4064
<<locked>>
81%
53374
84%
**14
100%
IMR 4166 Enduron
<<locked>>
81%
52330
82%
**97
99%
IMR 4350
<<locked>>
81%
44585
70%
**69
97%
IMR 4451 Enduron
<<locked>>
81%
50734
80%
**84
99%
IMR 4831
<<locked>>
81%
39668
62%
**71
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36260
57%
**56
90%
[IMR 7828 SSC]*
<<locked>>
81%
35433
56%
**25
90%
Lovex S065
<<locked>>
81%
47979
75%
**18
99%
Lovex S070
<<locked>>
81%
46151
72%
**02
98%
[Lovex S071]*
<<locked>>
81%
28935
45%
**72
92%
Norma 204
<<locked>>
81%
44541
70%
**95
96%
[Norma 217]*
<<locked>>
93%
30356
48%
**13
90%
[Norma MRP]*
<<locked>>
81%
35766
56%
**61
94%
Norma URP
<<locked>>
81%
45237
71%
**22
99%
Ramshot Hunter
<<locked>>
81%
44324
69%
**12
98%
[Ramshot Magnum]*
<<locked>>
81%
31705
50%
**97
91%
ReloadSwiss RS 14
<<locked>>
81%
28471
45%
**26
100%
ReloadSwiss RS 60
<<locked>>
81%
49879
78%
**73
100%
ReloadSwiss RS 62
<<locked>>
81%
46427
73%
**45
99%
ReloadSwiss RS 70
<<locked>>
81%
44759
70%
**61
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
30414
48%
**07
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
38406
60%
**30
90%
Rottweil R 903
<<locked>>
81%
53316
84%
**17
100%
[Rottweil R 904]*
<<locked>>
81%
39929
63%
**64
93%
[Rottweil R 905]*
<<locked>>
81%
37608
59%
**51
94%
Rottweil R 907
<<locked>>
81%
49197
77%
**45
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
46949
74%
**53
98%
Shooters World Long Rifle
<<locked>>
81%
47979
75%
**18
99%
Somchem S355
<<locked>>
81%
53243
83%
**14
100%
[Somchem S361]*
<<locked>>
81%
40814
64%
**44
92%
Somchem S365
<<locked>>
81%
42192
66%
**72
100%
Somchem S385
<<locked>>
81%
38276
60%
**31
95%
Vihtavuori N135
<<locked>>
81%
51445
81%
**05
100%
Vihtavuori N150
<<locked>>
81%
45600
71%
**46
100%
Vihtavuori N160
<<locked>>
81%
48907
77%
**58
100%
[Vihtavuori N165]*
<<locked>>
81%
31937
50%
**61
91%
Vihtavuori N550
<<locked>>
81%
49617
78%
**97
100%
Vihtavuori N555
<<locked>>
81%
36695
58%
**44
98%
[Vihtavuori N560]*
<<locked>>
83%
36608
57%
**61
90%
[Vihtavuori N565]*
<<locked>>
87%
35650
56%
**22
90%
[Vihtavuori N568]*
<<locked>>
94%
40103
63%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46398
73%
**76
100%
Winchester 760
<<locked>>
81%
52533
82%
**76
99%
Winchester StaBALL HD
<<locked>>
81%
28137
44%
**33
98%

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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