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Load data for .338 Rem. Ultra Mag + .338 | 225gr | Sierra Pro-Hunter

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.338 Rem. Ultra Mag + .338 | 225gr | Sierra Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Sierra Pro-Hunter
Manufacturer SKU:
2620
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.280" | 32.5mm
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:
0.494" | 12.5mm
Shank Seated Depth:
0.494" | 12.5mm
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_B5925_C459
Last updated:
2025-02-02

Load data for 146 loads in caliber .338 Rem. Ultra Mag with .338 | 225gr | Sierra Pro-Hunter bullet and 73 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, 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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    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.

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>>
83%
57145
90%
**13
100%
ADI AR 2209 👍
<<locked>>
94%
57000
89%
**02
99%
ADI AR 2213
<<locked>>
97%
56681
89%
**31
99%
ADI AR 2217
<<locked>>
97%
41553
65%
**56
95%
ADI AR 2225
<<locked>>
97%
37043
58%
**20
97%
Accurate 2700
<<locked>>
84%
57174
90%
**87
100%
Accurate 3100
<<locked>>
97%
56869
89%
**49
100%
Accurate 4350
<<locked>>
88%
56840
89%
**69
100%
Accurate MAGPRO
<<locked>>
97%
56289
88%
**41
97%
Alliant Reloder-16
<<locked>>
90%
56913
89%
**05
100%
Alliant Reloder-17
<<locked>>
85%
56826
89%
**05
100%
Alliant Reloder-19 👍
<<locked>>
94%
57305
90%
**12
99%
Alliant Reloder-22
<<locked>>
97%
56333
88%
**35
99%
Alliant Reloder-23
<<locked>>
97%
54201
85%
**62
100%
Alliant Reloder-25
<<locked>>
97%
46369
73%
**03
100%
Alliant Reloder-26 👍
<<locked>>
94%
56840
89%
**77
100%
Hodgdon H1000
<<locked>>
97%
41553
65%
**56
95%
Hodgdon H414
<<locked>>
85%
57014
89%
**95
100%
Hodgdon H4350
<<locked>>
92%
57421
90%
**53
100%
Hodgdon H4831
<<locked>>
97%
52504
82%
**10
97%
Hodgdon H4831 SC
<<locked>>
95%
56869
89%
**82
98%
Hodgdon Hybrid 100V
<<locked>>
92%
57000
89%
**33
100%
Hodgdon LVR
<<locked>>
87%
57363
90%
**82
100%
Hodgdon Retumbo
<<locked>>
97%
37043
58%
**20
97%
Hodgdon Superperformance
<<locked>>
87%
56956
89%
**15
100%
Hodgdon VARGET
<<locked>>
84%
57421
90%
**20
100%
Hodgdon TrailBoss
<<locked>>
96%
34969
55%
**90
100%
IMR 4064
<<locked>>
84%
57130
90%
**10
100%
IMR 4166 Enduron
<<locked>>
85%
57145
90%
**13
100%
IMR 4350
<<locked>>
90%
57334
90%
**46
100%
IMR 4451 Enduron
<<locked>>
86%
56913
89%
**30
100%
IMR 4831
<<locked>>
93%
57087
89%
**56
100%
IMR 4955 Enduron
<<locked>>
96%
56927
89%
**49
98%
IMR 7828 SSC
<<locked>>
96%
57348
90%
**58
99%
Lovex S065
<<locked>>
88%
57261
90%
**30
100%
Lovex S070
<<locked>>
89%
56927
89%
**40
100%
Lovex S071
<<locked>>
97%
47413
74%
**12
100%
Norma 204
<<locked>>
89%
57087
89%
**82
99%
[Norma 217]*
<<locked>>
97%
32822
51%
**41
94%
Norma MRP 👍
<<locked>>
95%
57188
90%
**71
100%
Norma URP
<<locked>>
89%
57406
90%
**79
100%
Ramshot Hunter
<<locked>>
90%
56913
89%
**95
100%
Ramshot Magnum
<<locked>>
97%
55651
87%
**02
100%
ReloadSwiss RS 14
<<locked>>
97%
36056
57%
**36
100%
ReloadSwiss RS 60
<<locked>>
86%
56753
89%
**28
100%
ReloadSwiss RS 62
<<locked>>
88%
56840
89%
**85
100%
ReloadSwiss RS 70
<<locked>>
89%
56869
89%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
45397
71%
**33
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
41089
64%
**18
94%
Rottweil R 903
<<locked>>
84%
57261
90%
**17
100%
Rottweil R 904
<<locked>>
93%
57072
89%
**59
99%
Rottweil R 905 👍
<<locked>>
94%
56869
89%
**99
99%
Rottweil R 907
<<locked>>
87%
57276
90%
**36
100%
SNPE Vectan SP 11
<<locked>>
83%
57421
90%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56826
89%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56898
89%
**80
100%
Shooters World Long Rifle
<<locked>>
88%
57261
90%
**30
100%
Somchem S355
<<locked>>
84%
57058
89%
**13
100%
Somchem S361
<<locked>>
92%
57116
90%
**23
98%
Somchem S365
<<locked>>
91%
57203
90%
**76
100%
Somchem S385
<<locked>>
94%
57087
89%
**66
100%
Vihtavuori N135
<<locked>>
85%
57319
90%
**31
100%
Vihtavuori N150
<<locked>>
89%
57246
90%
**74
100%
Vihtavuori N160
<<locked>>
87%
57087
89%
**33
100%
Vihtavuori N165
<<locked>>
97%
52359
82%
**84
99%
Vihtavuori N550
<<locked>>
86%
57174
90%
**72
100%
Vihtavuori N555
<<locked>>
95%
56826
89%
**89
100%
Vihtavuori N560
<<locked>>
97%
57087
89%
**64
98%
Vihtavuori N565
<<locked>>
97%
48733
76%
**07
97%
[Vihtavuori N568]*
<<locked>>
97%
42337
66%
**31
93%
Winchester 6.5 StaBALL
<<locked>>
88%
57377
90%
**07
100%
Winchester 760
<<locked>>
85%
57014
89%
**95
100%
Winchester StaBALL HD
<<locked>>
97%
50343
79%
**25
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52982
83%
**57
100%
ADI AR 2209
<<locked>>
81%
37376
59%
**61
95%
[ADI AR 2213]*
<<locked>>
81%
33228
52%
**75
91%
[ADI AR 2217]*
<<locked>>
89%
32068
50%
**33
90%
[ADI AR 2225]*
<<locked>>
87%
26832
42%
**28
90%
Accurate 2700
<<locked>>
81%
51329
80%
**02
99%
Accurate 3100
<<locked>>
81%
33040
52%
**36
96%
Accurate 4350
<<locked>>
81%
44599
70%
**82
100%
[Accurate MAGPRO]*
<<locked>>
84%
35636
56%
**54
90%
Alliant Reloder-16
<<locked>>
81%
42830
67%
**89
100%
Alliant Reloder-17
<<locked>>
81%
49472
78%
**10
100%
Alliant Reloder-19
<<locked>>
81%
37260
58%
**57
95%
[Alliant Reloder-22]*
<<locked>>
81%
32982
52%
**85
93%
Alliant Reloder-23
<<locked>>
81%
31676
50%
**69
99%
[Alliant Reloder-25]*
<<locked>>
81%
27833
44%
**67
94%
Alliant Reloder-26
<<locked>>
81%
34432
54%
**84
98%
[Hodgdon H1000]*
<<locked>>
89%
32068
50%
**33
90%
Hodgdon H414
<<locked>>
81%
50502
79%
**94
99%
Hodgdon H4350
<<locked>>
81%
41089
64%
**84
97%
[Hodgdon H4831]*
<<locked>>
82%
32909
52%
**29
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34809
55%
**79
91%
Hodgdon Hybrid 100V
<<locked>>
81%
40451
63%
**80
100%
Hodgdon LVR
<<locked>>
81%
47079
74%
**21
100%
[Hodgdon Retumbo]*
<<locked>>
87%
26832
42%
**28
90%
Hodgdon Superperformance
<<locked>>
81%
45759
72%
**44
99%
Hodgdon VARGET
<<locked>>
81%
52591
82%
**57
100%
Hodgdon TrailBoss
<<locked>>
91%
32590
51%
**47
100%
IMR 4064
<<locked>>
81%
52127
82%
**41
100%
IMR 4166 Enduron
<<locked>>
81%
50879
80%
**18
99%
IMR 4350
<<locked>>
81%
43221
68%
**20
98%
IMR 4451 Enduron
<<locked>>
81%
49052
77%
**08
99%
IMR 4831
<<locked>>
81%
38580
60%
**61
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35273
55%
**56
92%
[IMR 7828 SSC]*
<<locked>>
81%
33852
53%
**02
91%
Lovex S065
<<locked>>
81%
46630
73%
**62
100%
Lovex S070
<<locked>>
81%
44802
70%
**49
99%
[Lovex S071]*
<<locked>>
81%
28297
44%
**18
94%
Norma 204
<<locked>>
81%
43076
68%
**52
97%
[Norma 217]*
<<locked>>
91%
27151
43%
**77
90%
Norma MRP
<<locked>>
81%
34447
54%
**57
96%
Norma URP
<<locked>>
81%
43903
69%
**72
100%
Ramshot Hunter
<<locked>>
81%
42772
67%
**69
99%
[Ramshot Magnum]*
<<locked>>
81%
30443
48%
**13
93%
ReloadSwiss RS 14
<<locked>>
87%
31328
49%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
47645
75%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
44367
70%
**98
100%
ReloadSwiss RS 70
<<locked>>
81%
42714
67%
**12
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
27673
43%
**83
91%
[ReloadSwiss RS 80]*
<<locked>>
92%
34200
54%
**61
90%
Rottweil R 903
<<locked>>
81%
51677
81%
**48
100%
[Rottweil R 904]*
<<locked>>
81%
38667
61%
**38
94%
Rottweil R 905
<<locked>>
81%
36347
57%
**34
95%
Rottweil R 907
<<locked>>
81%
47776
75%
**89
99%
SNPE Vectan SP 11
<<locked>>
81%
53156
83%
**97
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52054
82%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45643
72%
**13
99%
Shooters World Long Rifle
<<locked>>
81%
46630
73%
**62
100%
Somchem S355
<<locked>>
81%
51692
81%
**41
100%
[Somchem S361]*
<<locked>>
81%
39363
62%
**28
93%
Somchem S365
<<locked>>
81%
40596
64%
**30
100%
Somchem S385
<<locked>>
81%
37043
58%
**25
96%
Vihtavuori N135
<<locked>>
81%
50053
78%
**39
100%
Vihtavuori N150
<<locked>>
81%
44367
70%
**00
100%
Vihtavuori N160
<<locked>>
81%
47224
74%
**95
100%
[Vihtavuori N165]*
<<locked>>
81%
31125
49%
**74
93%
Vihtavuori N550
<<locked>>
81%
47993
75%
**41
100%
Vihtavuori N555
<<locked>>
81%
35636
56%
**41
99%
[Vihtavuori N560]*
<<locked>>
81%
33257
52%
**05
91%
[Vihtavuori N565]*
<<locked>>
84%
31517
49%
**49
90%
[Vihtavuori N568]*
<<locked>>
92%
35795
56%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44614
70%
**36
100%
Winchester 760
<<locked>>
81%
50502
79%
**94
99%
Winchester StaBALL HD
<<locked>>
81%
26600
42%
**69
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.

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