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Load data for .338 Rem. Ultra Mag + .338 | 225gr Hornady CX

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.338 Rem. Ultra Mag + .338 | 225gr Hornady CX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr Hornady CX
Manufacturer SKU:
332014
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.555" | 39.5mm
Caliber:
.338 Rem. Ultra Mag load data
Case Length (l3):
2.760" | 70.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.769" | 19.5mm
Shank Seated Depth:
0.629" | 16.0mm
Case Capacity:
110.0 Grains of Water | 7.14 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B1376_C459
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 150 loads in caliber .338 Rem. Ultra Mag with .338 | 225gr Hornady CX bullet and 75 powders such as Alliant Reloder-26, Norma 204, 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>>
85%
57217
90%
**00
100%
ADI AR 2209
<<locked>>
96%
57421
90%
**02
99%
ADI AR 2213
<<locked>>
97%
53534
84%
**62
98%
[ADI AR 2217]*
<<locked>>
97%
38783
61%
**77
93%
ADI AR 2225
<<locked>>
97%
34534
54%
**34
95%
Accurate 2700
<<locked>>
86%
57217
90%
**64
99%
Accurate 3100
<<locked>>
97%
53142
83%
**87
100%
Accurate 4350
<<locked>>
90%
57232
90%
**59
100%
Accurate MAGPRO
<<locked>>
97%
52185
82%
**62
96%
Alliant Reloder- TS 15.5
<<locked>>
84%
56927
89%
**10
100%
Alliant Reloder-16
<<locked>>
92%
57145
90%
**02
100%
Alliant Reloder-17
<<locked>>
87%
57101
89%
**99
100%
Alliant Reloder-19
<<locked>>
96%
56869
89%
**82
99%
Alliant Reloder-22
<<locked>>
97%
52881
83%
**69
99%
Alliant Reloder-23
<<locked>>
97%
49966
78%
**03
100%
Alliant Reloder-25
<<locked>>
97%
43482
68%
**41
100%
Alliant Reloder-26 👍
<<locked>>
97%
57421
90%
**81
100%
[Hodgdon H1000]*
<<locked>>
97%
38783
61%
**77
93%
Hodgdon H380
<<locked>>
84%
57246
90%
**26
100%
Hodgdon H414
<<locked>>
87%
57392
90%
**85
100%
Hodgdon H4350
<<locked>>
93%
56913
89%
**26
99%
Hodgdon H4831
<<locked>>
97%
49530
78%
**51
96%
Hodgdon H4831 SC
<<locked>>
97%
56376
88%
**56
98%
Hodgdon Hybrid 100V
<<locked>>
94%
57319
90%
**23
100%
Hodgdon LVR
<<locked>>
89%
57029
89%
**56
100%
Hodgdon Retumbo
<<locked>>
97%
34534
54%
**34
95%
Hodgdon Superperformance
<<locked>>
89%
57276
90%
**12
100%
Hodgdon VARGET
<<locked>>
85%
56913
89%
**00
100%
IMR 4064
<<locked>>
86%
57203
90%
**94
100%
IMR 4166 Enduron
<<locked>>
87%
57392
90%
**00
100%
IMR 4350
<<locked>>
91%
56956
89%
**26
100%
IMR 4451 Enduron
<<locked>>
88%
57421
90%
**23
100%
IMR 4831
<<locked>>
95%
56942
89%
**43
100%
IMR 4955 Enduron
<<locked>>
97%
54795
86%
**97
97%
IMR 7828 SSC
<<locked>>
97%
54766
86%
**02
98%
Lovex S062
<<locked>>
83%
57290
90%
**84
100%
Lovex S065
<<locked>>
89%
57072
89%
**03
100%
Lovex S070
<<locked>>
91%
57406
90%
**36
100%
Lovex S071
<<locked>>
97%
44527
70%
**56
99%
Norma 204 👍
<<locked>>
91%
57145
90%
**66
99%
[Norma 217]*
<<locked>>
97%
30545
48%
**62
92%
Norma MRP
<<locked>>
97%
56130
88%
**38
100%
Norma URP
<<locked>>
91%
57072
89%
**66
100%
Ramshot Hunter 👍
<<locked>>
91%
57000
89%
**82
100%
Ramshot Magnum
<<locked>>
97%
51503
81%
**26
99%
ReloadSwiss RS 14
<<locked>>
97%
35868
56%
**16
100%
ReloadSwiss RS 50
<<locked>>
84%
57276
90%
**13
100%
ReloadSwiss RS 60
<<locked>>
88%
56942
89%
**22
100%
ReloadSwiss RS 62
<<locked>>
90%
57377
90%
**79
100%
ReloadSwiss RS 70
<<locked>>
91%
57435
90%
**31
100%
ReloadSwiss RS 76
<<locked>>
97%
42119
66%
**54
98%
Rottweil R 903
<<locked>>
86%
57377
90%
**07
100%
Rottweil R 904
<<locked>>
95%
57305
90%
**43
98%
Rottweil R 905
<<locked>>
96%
56855
89%
**79
99%
Rottweil R 907
<<locked>>
88%
57072
89%
**17
100%
SNPE Vectan SP 11
<<locked>>
85%
56956
89%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57334
90%
**85
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57101
89%
**71
100%
Shooters World Long Rifle
<<locked>>
89%
57072
89%
**03
100%
Shooters World Precision
<<locked>>
83%
57290
90%
**84
100%
Somchem S355
<<locked>>
86%
57029
89%
**07
100%
Somchem S361
<<locked>>
94%
57261
90%
**07
98%
Somchem S365
<<locked>>
93%
57058
89%
**62
100%
Somchem S385
<<locked>>
96%
56898
89%
**49
100%
Vihtavuori N135
<<locked>>
87%
57000
89%
**15
100%
Vihtavuori N150
<<locked>>
91%
57290
90%
**67
100%
Vihtavuori N160
<<locked>>
88%
57305
90%
**23
100%
Vihtavuori N165
<<locked>>
97%
48950
77%
**15
98%
Vihtavuori N550
<<locked>>
88%
56724
89%
**59
100%
Vihtavuori N555 👍
<<locked>>
97%
55970
88%
**76
100%
Vihtavuori N560
<<locked>>
97%
52837
83%
**79
97%
Vihtavuori N565
<<locked>>
97%
44991
70%
**35
96%
Winchester 6.5 StaBALL
<<locked>>
90%
57348
90%
**94
100%
Winchester 760
<<locked>>
87%
57392
90%
**85
100%
Winchester StaBALL HD 👍
<<locked>>
97%
45818
72%
**62
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50488
79%
**08
100%
[ADI AR 2209]*
<<locked>>
81%
35273
55%
**92
93%
[ADI AR 2213]*
<<locked>>
82%
32982
52%
**56
90%
[ADI AR 2217]*
<<locked>>
92%
33286
52%
**46
90%
[ADI AR 2225]*
<<locked>>
90%
27847
44%
**41
90%
Accurate 2700
<<locked>>
81%
48834
77%
**46
98%
Accurate 3100
<<locked>>
81%
31067
49%
**80
95%
Accurate 4350
<<locked>>
81%
42119
66%
**30
100%
[Accurate MAGPRO]*
<<locked>>
87%
37014
58%
**77
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51329
80%
**28
100%
Alliant Reloder-16
<<locked>>
81%
40263
63%
**30
100%
Alliant Reloder-17
<<locked>>
81%
46311
73%
**44
100%
[Alliant Reloder-19]*
<<locked>>
81%
35259
55%
**92
94%
[Alliant Reloder-22]*
<<locked>>
81%
30922
48%
**23
91%
Alliant Reloder-23
<<locked>>
81%
29805
47%
**06
98%
[Alliant Reloder-25]*
<<locked>>
81%
26179
41%
**98
92%
Alliant Reloder-26
<<locked>>
81%
31995
50%
**15
97%
[Hodgdon H1000]*
<<locked>>
92%
33286
52%
**46
90%
Hodgdon H380
<<locked>>
81%
52243
82%
**57
100%
Hodgdon H414
<<locked>>
81%
47572
75%
**35
99%
Hodgdon H4350
<<locked>>
81%
38986
61%
**25
96%
[Hodgdon H4831]*
<<locked>>
85%
33852
53%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
34069
53%
**46
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37811
59%
**28
100%
Hodgdon LVR
<<locked>>
81%
44585
70%
**72
99%
[Hodgdon Retumbo]*
<<locked>>
90%
27847
44%
**41
90%
Hodgdon Superperformance
<<locked>>
81%
43047
67%
**89
98%
Hodgdon VARGET
<<locked>>
81%
50212
79%
**02
100%
IMR 4064
<<locked>>
81%
49792
78%
**85
100%
IMR 4166 Enduron
<<locked>>
81%
48486
76%
**62
99%
IMR 4350
<<locked>>
81%
40828
64%
**64
97%
IMR 4451 Enduron
<<locked>>
81%
46905
73%
**59
99%
IMR 4831
<<locked>>
81%
36230
57%
**98
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33518
53%
**97
90%
[IMR 7828 SSC]*
<<locked>>
82%
32793
51%
**62
90%
Lovex S062
<<locked>>
81%
53417
84%
**28
100%
Lovex S065
<<locked>>
81%
44498
70%
**13
99%
Lovex S070
<<locked>>
81%
42612
67%
**00
98%
[Lovex S071]*
<<locked>>
81%
26542
42%
**59
93%
Norma 204
<<locked>>
81%
40466
63%
**93
95%
[Norma 217]*
<<locked>>
94%
27804
44%
**87
90%
[Norma MRP]*
<<locked>>
81%
32271
51%
**85
94%
Norma URP
<<locked>>
81%
41495
65%
**20
99%
Ramshot Hunter
<<locked>>
81%
40059
63%
**00
98%
[Ramshot Magnum]*
<<locked>>
81%
28645
45%
**47
91%
ReloadSwiss RS 14
<<locked>>
89%
32401
51%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
52344
82%
**48
100%
ReloadSwiss RS 60
<<locked>>
81%
44686
70%
**44
100%
ReloadSwiss RS 62
<<locked>>
81%
41640
65%
**39
99%
ReloadSwiss RS 70
<<locked>>
81%
40277
63%
**56
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
28181
44%
**83
90%
Rottweil R 903
<<locked>>
81%
49226
77%
**95
100%
[Rottweil R 904]*
<<locked>>
81%
36666
57%
**79
93%
[Rottweil R 905]*
<<locked>>
81%
34229
54%
**72
93%
Rottweil R 907
<<locked>>
81%
45426
71%
**33
98%
SNPE Vectan SP 11
<<locked>>
81%
50241
79%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49835
78%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43584
68%
**57
98%
Shooters World Long Rifle
<<locked>>
81%
44498
70%
**13
99%
Shooters World Precision
<<locked>>
81%
53417
84%
**28
100%
Somchem S355
<<locked>>
81%
49269
77%
**95
100%
[Somchem S361]*
<<locked>>
81%
37362
59%
**72
92%
Somchem S365
<<locked>>
81%
37782
59%
**77
100%
Somchem S385
<<locked>>
81%
34896
55%
**62
95%
Vihtavuori N135
<<locked>>
81%
47630
75%
**97
100%
Vihtavuori N150
<<locked>>
81%
42148
66%
**44
100%
Vihtavuori N160
<<locked>>
81%
44527
70%
**39
100%
[Vihtavuori N165]*
<<locked>>
81%
29283
46%
**21
91%
Vihtavuori N550
<<locked>>
81%
45034
71%
**82
100%
Vihtavuori N555
<<locked>>
81%
33141
52%
**75
98%
[Vihtavuori N560]*
<<locked>>
83%
33402
52%
**95
90%
[Vihtavuori N565]*
<<locked>>
87%
32097
50%
**65
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41843
66%
**80
100%
Winchester 760
<<locked>>
81%
47572
75%
**35
99%
Winchester StaBALL HD
<<locked>>
81%
23786
37%
**90
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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