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

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.338 Lapua 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 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.318" | 8.1mm
Shank Seated Depth:
0.318" | 8.1mm
Case Capacity:
114.0 Grains of Water | 7.40 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10009_C454
Last updated:
2025-02-02

Load data for 134 loads in caliber .338 Lapua Mag. with .338 | 250gr | Sako Hammerhead bullet and 67 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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%
60292
99%
**02
100%
ADI AR 2213 👍
<<locked>>
94%
60553
99%
**41
100%
ADI AR 2217
<<locked>>
97%
48428
79%
**54
99%
ADI AR 2225
<<locked>>
97%
43656
72%
**21
100%
Accurate 3100
<<locked>>
94%
60568
99%
**40
100%
Accurate 4350
<<locked>>
85%
60133
99%
**43
100%
Accurate MAGPRO
<<locked>>
95%
60858
100%
**64
99%
Alliant Reloder-16
<<locked>>
87%
60408
99%
**82
100%
Alliant Reloder-19
<<locked>>
92%
60698
100%
**05
100%
Alliant Reloder-22 👍
<<locked>>
94%
60655
100%
**28
100%
Alliant Reloder-23
<<locked>>
96%
60510
99%
**72
100%
Alliant Reloder-25
<<locked>>
97%
54882
90%
**69
100%
Alliant Reloder-26
<<locked>>
91%
60887
100%
**58
100%
[Alliant Reloder-33]*
<<locked>>
97%
45049
74%
**51
94%
Hodgdon H1000
<<locked>>
97%
48428
79%
**54
99%
Hodgdon H4350
<<locked>>
89%
60524
99%
**36
100%
Hodgdon H4831
<<locked>>
97%
60611
100%
**82
99%
Hodgdon H4831 SC
<<locked>>
93%
60611
100%
**82
99%
Hodgdon Hybrid 100V
<<locked>>
89%
60742
100%
**07
100%
Hodgdon LVR
<<locked>>
85%
60858
100%
**62
100%
Hodgdon Retumbo
<<locked>>
97%
43656
72%
**21
100%
Hodgdon Superperformance
<<locked>>
84%
60553
99%
**12
100%
Hodgdon TrailBoss
<<locked>>
97%
35868
59%
**67
100%
IMR 4166 Enduron
<<locked>>
83%
60684
100%
**07
100%
IMR 4350
<<locked>>
88%
60901
100%
**46
100%
IMR 4451 Enduron
<<locked>>
84%
60321
99%
**26
100%
IMR 4831
<<locked>>
91%
60510
99%
**40
100%
IMR 4955 Enduron
<<locked>>
94%
60510
99%
**53
99%
IMR 7828 SSC 👍
<<locked>>
93%
60611
100%
**48
100%
[IMR 7977 Enduron]*
<<locked>>
97%
56376
93%
**57
94%
IMR 8133 Enduron
<<locked>>
97%
39450
65%
**30
96%
Lovex S065
<<locked>>
86%
60466
99%
**07
100%
Lovex S070
<<locked>>
87%
60901
100%
**40
100%
Lovex S071
<<locked>>
97%
55796
92%
**77
100%
Norma 204
<<locked>>
87%
60684
100%
**79
100%
Norma 217
<<locked>>
97%
39711
65%
**59
99%
Norma MRP
<<locked>>
92%
60379
99%
**51
100%
Norma URP
<<locked>>
87%
60626
100%
**53
100%
Ramshot Hunter
<<locked>>
87%
60887
100%
**82
100%
Ramshot Magnum
<<locked>>
95%
60814
100%
**18
100%
ReloadSwiss RS 14
<<locked>>
96%
36492
60%
**99
100%
ReloadSwiss RS 60
<<locked>>
83%
60785
100%
**99
100%
ReloadSwiss RS 62
<<locked>>
86%
60843
100%
**76
100%
ReloadSwiss RS 70
<<locked>>
86%
60510
99%
**15
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
54288
89%
**41
100%
ReloadSwiss RS 80
<<locked>>
97%
49734
82%
**33
98%
Rottweil R 904
<<locked>>
91%
60626
100%
**62
100%
Rottweil R 905
<<locked>>
92%
60771
100%
**95
100%
Rottweil R 907
<<locked>>
85%
60611
99%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
60684
100%
**84
100%
Shooters World Long Rifle
<<locked>>
86%
60466
99%
**07
100%
Somchem S361
<<locked>>
90%
60814
100%
**36
99%
Somchem S365
<<locked>>
88%
60887
100%
**43
100%
Somchem S385
<<locked>>
91%
60611
99%
**62
100%
Vihtavuori N135
<<locked>>
83%
60626
100%
**95
100%
Vihtavuori N150
<<locked>>
87%
60481
99%
**48
100%
Vihtavuori N160
<<locked>>
84%
60263
99%
**17
100%
Vihtavuori N165
<<locked>>
97%
60756
100%
**53
100%
[Vihtavuori N170]*
<<locked>>
97%
45295
74%
**36
92%
Vihtavuori N550
<<locked>>
84%
60916
100%
**62
100%
Vihtavuori N555
<<locked>>
92%
60379
99%
**72
100%
Vihtavuori N560 👍
<<locked>>
94%
60843
100%
**67
100%
Vihtavuori N565
<<locked>>
97%
57624
95%
**95
99%
Vihtavuori N568
<<locked>>
97%
50850
83%
**36
98%
Vihtavuori N570
<<locked>>
97%
48356
79%
**23
95%
Winchester 6.5 StaBALL
<<locked>>
86%
60481
99%
**84
100%
Winchester StaBALL HD
<<locked>>
96%
60684
100%
**67
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43004
71%
**23
98%
ADI AR 2213
<<locked>>
81%
38392
63%
**54
95%
[ADI AR 2217]*
<<locked>>
81%
28674
47%
**05
90%
[ADI AR 2225]*
<<locked>>
81%
26063
43%
**69
92%
Accurate 3100
<<locked>>
81%
38972
64%
**08
99%
Accurate 4350
<<locked>>
81%
51895
85%
**31
100%
[Accurate MAGPRO]*
<<locked>>
81%
37782
62%
**54
93%
Alliant Reloder-16
<<locked>>
81%
49443
81%
**35
100%
Alliant Reloder-19
<<locked>>
81%
43105
71%
**16
98%
Alliant Reloder-22
<<locked>>
81%
38812
64%
**67
97%
Alliant Reloder-23
<<locked>>
81%
37565
62%
**25
100%
Alliant Reloder-25
<<locked>>
81%
32401
53%
**46
98%
Alliant Reloder-26
<<locked>>
81%
41539
68%
**62
100%
[Alliant Reloder-33]*
<<locked>>
91%
36172
59%
**61
90%
[Hodgdon H1000]*
<<locked>>
81%
28674
47%
**05
90%
Hodgdon H4350
<<locked>>
81%
46818
77%
**33
99%
[Hodgdon H4831]*
<<locked>>
81%
36201
59%
**62
94%
Hodgdon H4831 SC
<<locked>>
81%
40263
66%
**44
95%
Hodgdon Hybrid 100V
<<locked>>
81%
46760
77%
**20
100%
Hodgdon LVR
<<locked>>
81%
54085
89%
**64
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26063
43%
**69
92%
Hodgdon Superperformance
<<locked>>
81%
53548
88%
**17
100%
Hodgdon TrailBoss
<<locked>>
94%
34461
57%
**40
100%
IMR 4166 Enduron
<<locked>>
81%
56710
93%
**51
100%
IMR 4350
<<locked>>
81%
48965
80%
**69
100%
IMR 4451 Enduron
<<locked>>
81%
55216
91%
**54
100%
IMR 4831
<<locked>>
81%
44643
73%
**07
100%
IMR 4955 Enduron
<<locked>>
81%
40321
66%
**21
96%
IMR 7828 SSC
<<locked>>
81%
39523
65%
**90
96%
[IMR 7977 Enduron]*
<<locked>>
90%
45194
74%
**70
90%
[IMR 8133 Enduron]*
<<locked>>
86%
27833
46%
**34
90%
Lovex S065
<<locked>>
81%
52736
87%
**05
100%
Lovex S070
<<locked>>
81%
50966
84%
**02
100%
Lovex S071
<<locked>>
81%
33620
55%
**87
98%
Norma 204
<<locked>>
81%
49559
81%
**15
99%
[Norma 217]*
<<locked>>
82%
24178
40%
**33
90%
Norma MRP
<<locked>>
81%
40785
67%
**33
99%
Norma URP
<<locked>>
81%
50459
83%
**12
100%
Ramshot Hunter
<<locked>>
81%
49327
81%
**18
100%
Ramshot Magnum
<<locked>>
81%
36013
59%
**11
97%
ReloadSwiss RS 14
<<locked>>
90%
33373
55%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
55695
91%
**30
100%
ReloadSwiss RS 62
<<locked>>
81%
51808
85%
**51
100%
ReloadSwiss RS 70
<<locked>>
81%
49922
82%
**74
100%
ReloadSwiss RS 76
<<locked>>
81%
30574
50%
**36
96%
[ReloadSwiss RS 80]*
<<locked>>
84%
31053
51%
**36
90%
Rottweil R 904
<<locked>>
81%
44208
73%
**97
97%
Rottweil R 905
<<locked>>
81%
42511
70%
**03
98%
Rottweil R 907
<<locked>>
81%
53853
88%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
51619
85%
**56
100%
Shooters World Long Rifle
<<locked>>
81%
52736
87%
**05
100%
Somchem S361
<<locked>>
81%
44962
74%
**93
97%
Somchem S365
<<locked>>
81%
47776
78%
**69
100%
Somchem S385
<<locked>>
81%
42946
71%
**80
99%
Vihtavuori N135
<<locked>>
81%
56449
93%
**46
100%
Vihtavuori N150
<<locked>>
81%
50386
83%
**20
100%
Vihtavuori N160
<<locked>>
81%
53940
89%
**35
100%
Vihtavuori N165
<<locked>>
81%
36289
60%
**46
97%
[Vihtavuori N170]*
<<locked>>
92%
39421
65%
**18
90%
Vihtavuori N550
<<locked>>
81%
54708
90%
**77
100%
Vihtavuori N555
<<locked>>
81%
41930
69%
**93
100%
Vihtavuori N560
<<locked>>
81%
38856
64%
**80
95%
[Vihtavuori N565]*
<<locked>>
81%
33591
55%
**52
93%
[Vihtavuori N568]*
<<locked>>
84%
31865
52%
**36
90%
[Vihtavuori N570]*
<<locked>>
89%
36753
60%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51126
84%
**62
100%
Winchester StaBALL HD
<<locked>>
81%
34069
56%
**61
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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