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Load data for .338 Rem. Ultra Mag + .338 | 250gr | Sako Hammerhead

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Ramshot Magnum

.338 Rem. Ultra Mag + .338 | 250gr | Sako Hammerhead

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Sako Hammerhead
Manufacturer SKU:
211F
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.220" | 31.0mm
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:
0.434" | 11.0mm
Shank Seated Depth:
0.434" | 11.0mm
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_B10009_C459
Last updated:
2025-01-01

Load data for 124 loads in caliber .338 Rem. Ultra Mag with .338 | 250gr | Sako Hammerhead bullet and 62 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Ramshot Magnum. 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>>
91%
56956
89%
**84
100%
ADI AR 2213 👍
<<locked>>
94%
56927
89%
**26
99%
ADI AR 2217
<<locked>>
97%
46151
72%
**49
98%
ADI AR 2225
<<locked>>
97%
41234
65%
**20
99%
Accurate 3100
<<locked>>
94%
57334
90%
**35
100%
Accurate 4350
<<locked>>
85%
57290
90%
**41
100%
Accurate MAGPRO
<<locked>>
94%
57058
89%
**30
98%
Alliant Reloder-16
<<locked>>
87%
57145
90%
**77
100%
Alliant Reloder-19
<<locked>>
91%
57043
89%
**84
100%
Alliant Reloder-22 👍
<<locked>>
94%
57014
89%
**17
100%
Alliant Reloder-23
<<locked>>
95%
57334
90%
**71
100%
Alliant Reloder-25
<<locked>>
97%
51982
81%
**71
100%
Alliant Reloder-26
<<locked>>
91%
57000
89%
**43
100%
[Alliant Reloder-33]*
<<locked>>
97%
42105
66%
**39
93%
Hodgdon H1000
<<locked>>
97%
46151
72%
**49
98%
Hodgdon H4350
<<locked>>
89%
57159
90%
**25
100%
Hodgdon H4831
<<locked>>
96%
57261
90%
**74
99%
Hodgdon H4831 SC
<<locked>>
93%
56826
89%
**61
99%
Hodgdon Hybrid 100V
<<locked>>
89%
57174
90%
**05
100%
Hodgdon LVR
<<locked>>
84%
57043
89%
**44
100%
Hodgdon Retumbo
<<locked>>
97%
41234
65%
**20
99%
Hodgdon Superperformance
<<locked>>
84%
57435
90%
**03
100%
IMR 4350
<<locked>>
87%
56811
89%
**25
100%
IMR 4451 Enduron
<<locked>>
83%
57246
90%
**12
100%
IMR 4831
<<locked>>
90%
57159
90%
**28
100%
IMR 4955 Enduron
<<locked>>
94%
57421
90%
**41
99%
IMR 7828 SSC 👍
<<locked>>
93%
57188
90%
**33
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54201
85%
**49
93%
IMR 8133 Enduron
<<locked>>
97%
36999
58%
**25
96%
Lovex S065
<<locked>>
85%
57363
90%
**05
100%
Lovex S070
<<locked>>
86%
57276
90%
**31
100%
Lovex S071
<<locked>>
97%
52736
83%
**72
100%
Norma 204
<<locked>>
87%
57029
89%
**67
100%
Norma 217
<<locked>>
97%
37202
58%
**48
98%
Norma MRP 👍
<<locked>>
92%
56985
89%
**40
100%
Norma URP
<<locked>>
86%
57261
90%
**54
100%
Ramshot Hunter
<<locked>>
87%
57261
90%
**71
100%
Ramshot Magnum 👍
<<locked>>
95%
57290
90%
**07
100%
ReloadSwiss RS 60
<<locked>>
83%
57261
90%
**97
100%
ReloadSwiss RS 62
<<locked>>
85%
56884
89%
**57
100%
ReloadSwiss RS 70
<<locked>>
86%
56927
89%
**03
100%
ReloadSwiss RS 76
<<locked>>
97%
51430
81%
**26
100%
ReloadSwiss RS 80
<<locked>>
97%
46224
72%
**12
97%
Rottweil R 904
<<locked>>
90%
57029
89%
**41
99%
Rottweil R 905
<<locked>>
91%
57261
90%
**77
100%
Rottweil R 907
<<locked>>
84%
57000
89%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57159
90%
**69
100%
Shooters World Long Rifle
<<locked>>
85%
57363
90%
**05
100%
Somchem S361
<<locked>>
89%
57217
90%
**12
99%
Somchem S365
<<locked>>
88%
56898
89%
**41
100%
Somchem S385
<<locked>>
91%
56869
89%
**41
100%
Vihtavuori N150
<<locked>>
86%
56869
89%
**46
100%
Vihtavuori N160
<<locked>>
84%
57159
90%
**12
100%
Vihtavuori N165
<<locked>>
96%
57363
90%
**35
100%
Vihtavuori N550
<<locked>>
84%
56942
89%
**48
100%
Vihtavuori N555
<<locked>>
92%
57363
90%
**67
100%
Vihtavuori N560
<<locked>>
94%
57000
89%
**43
99%
Vihtavuori N565
<<locked>>
97%
54824
86%
**94
99%
Vihtavuori N568
<<locked>>
97%
47718
75%
**21
97%
[Vihtavuori N570]*
<<locked>>
97%
45759
72%
**15
94%
Winchester 6.5 StaBALL
<<locked>>
85%
56898
89%
**79
100%
Winchester StaBALL HD
<<locked>>
96%
57435
90%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41075
64%
**25
97%
ADI AR 2213
<<locked>>
81%
36724
58%
**65
95%
[ADI AR 2217]*
<<locked>>
83%
28877
45%
**56
90%
[ADI AR 2225]*
<<locked>>
81%
24758
39%
**77
91%
Accurate 3100
<<locked>>
81%
36999
58%
**10
99%
Accurate 4350
<<locked>>
81%
49472
78%
**36
100%
[Accurate MAGPRO]*
<<locked>>
81%
35636
56%
**52
92%
Alliant Reloder-16
<<locked>>
81%
47166
74%
**39
100%
Alliant Reloder-19
<<locked>>
81%
41162
64%
**28
98%
Alliant Reloder-22
<<locked>>
81%
36912
58%
**72
96%
Alliant Reloder-23
<<locked>>
81%
35491
56%
**36
100%
Alliant Reloder-25
<<locked>>
81%
30719
48%
**60
98%
Alliant Reloder-26
<<locked>>
81%
39059
61%
**70
100%
[Alliant Reloder-33]*
<<locked>>
93%
36463
57%
**11
90%
[Hodgdon H1000]*
<<locked>>
83%
28877
45%
**56
90%
Hodgdon H4350
<<locked>>
81%
44686
70%
**38
99%
[Hodgdon H4831]*
<<locked>>
81%
34534
54%
**74
93%
Hodgdon H4831 SC
<<locked>>
81%
38508
60%
**59
95%
Hodgdon Hybrid 100V
<<locked>>
81%
44585
70%
**31
100%
Hodgdon LVR
<<locked>>
81%
51677
81%
**75
100%
[Hodgdon Retumbo]*
<<locked>>
81%
24758
39%
**77
91%
Hodgdon Superperformance
<<locked>>
81%
50749
80%
**05
100%
IMR 4350
<<locked>>
81%
46949
74%
**74
99%
IMR 4451 Enduron
<<locked>>
81%
53200
83%
**59
100%
IMR 4831
<<locked>>
81%
42482
67%
**11
100%
IMR 4955 Enduron
<<locked>>
81%
38711
61%
**29
95%
IMR 7828 SSC
<<locked>>
81%
37550
59%
**92
95%
[IMR 7977 Enduron]*
<<locked>>
92%
46035
72%
**21
90%
[IMR 8133 Enduron]*
<<locked>>
88%
27949
44%
**92
90%
Lovex S065
<<locked>>
81%
50575
79%
**13
100%
Lovex S070
<<locked>>
81%
48907
77%
**03
100%
Lovex S071
<<locked>>
81%
31618
50%
**98
97%
Norma 204
<<locked>>
81%
47427
74%
**16
99%
[Norma 217]*
<<locked>>
84%
24410
38%
**00
90%
Norma MRP
<<locked>>
81%
38696
61%
**34
98%
Norma URP
<<locked>>
81%
48109
75%
**23
100%
Ramshot Hunter
<<locked>>
81%
47137
74%
**23
100%
Ramshot Magnum
<<locked>>
81%
34113
53%
**13
96%
ReloadSwiss RS 60
<<locked>>
81%
52953
83%
**41
100%
ReloadSwiss RS 62
<<locked>>
81%
49313
77%
**56
100%
ReloadSwiss RS 70
<<locked>>
81%
47442
74%
**72
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29095
46%
**41
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
30806
48%
**77
90%
Rottweil R 904
<<locked>>
81%
42424
66%
**11
97%
Rottweil R 905
<<locked>>
81%
40393
63%
**08
98%
Rottweil R 907
<<locked>>
81%
51764
81%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
49676
78%
**64
100%
Shooters World Long Rifle
<<locked>>
81%
50575
79%
**13
100%
Somchem S361
<<locked>>
81%
43105
68%
**95
96%
Somchem S365
<<locked>>
81%
45295
71%
**80
100%
Somchem S385
<<locked>>
81%
41089
64%
**98
98%
Vihtavuori N150
<<locked>>
81%
48211
76%
**34
100%
Vihtavuori N160
<<locked>>
81%
51924
81%
**39
100%
Vihtavuori N165
<<locked>>
81%
34418
54%
**54
96%
Vihtavuori N550
<<locked>>
81%
52301
82%
**82
100%
Vihtavuori N555
<<locked>>
81%
39755
62%
**02
100%
[Vihtavuori N560]*
<<locked>>
81%
36854
58%
**85
94%
[Vihtavuori N565]*
<<locked>>
81%
31763
50%
**60
92%
[Vihtavuori N568]*
<<locked>>
85%
32010
50%
**97
90%
[Vihtavuori N570]*
<<locked>>
91%
37333
59%
**34
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49081
77%
**77
100%
Winchester StaBALL HD
<<locked>>
81%
31531
49%
**62
100%

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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