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Load data for .338 Win Mag. + .338 | 275gr | Speer SSP

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.338 Win Mag. + .338 | 275gr | Speer SSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 275gr | Speer SSP
Manufacturer SKU:
2411
Bullet Weight:
275gr | 17.8g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.364" | 34.6mm
Caliber:
.338 Win Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.574" | 14.6mm
Shank Seated Depth:
0.574" | 14.6mm
Case Capacity:
86.0 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6197_C465
Last updated:
2025-01-01

Load data for 166 loads in caliber .338 Win Mag. with .338 | 275gr | Speer SSP bullet and 83 powders such as Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
87%
55579
89%
**92
100%
ADI AR 2209
<<locked>>
97%
51822
83%
**34
98%
ADI AR 2213
<<locked>>
97%
46789
75%
**79
96%
[ADI AR 2225]*
<<locked>>
97%
30110
48%
**90
92%
Accurate 2700
<<locked>>
88%
55419
89%
**62
99%
Accurate 3100
<<locked>>
97%
44846
72%
**10
99%
Accurate 4064
<<locked>>
86%
56028
90%
**69
100%
Accurate 4350
<<locked>>
93%
55695
89%
**61
100%
[Accurate MAGPRO]*
<<locked>>
97%
44382
71%
**72
93%
Alliant Reloder- TS 15.5
<<locked>>
87%
55608
89%
**05
100%
Alliant Reloder-15
<<locked>>
85%
56101
90%
**21
100%
Alliant Reloder-16
<<locked>>
95%
55927
90%
**03
100%
Alliant Reloder-17
<<locked>>
90%
55332
89%
**00
100%
Alliant Reloder-19
<<locked>>
97%
51082
82%
**25
98%
Alliant Reloder-22
<<locked>>
97%
45266
73%
**85
97%
Alliant Reloder-23
<<locked>>
97%
42583
68%
**29
100%
Alliant Reloder-25
<<locked>>
97%
37391
60%
**57
98%
Alliant Reloder-26 👍
<<locked>>
97%
48153
77%
**93
100%
Hodgdon CFE223
<<locked>>
85%
55811
89%
**61
100%
Hodgdon H380
<<locked>>
86%
56043
90%
**25
100%
Hodgdon H414
<<locked>>
89%
55680
89%
**77
100%
Hodgdon H4350
<<locked>>
96%
55521
89%
**25
99%
[Hodgdon H4831]*
<<locked>>
97%
43540
70%
**83
94%
Hodgdon H4831 SC
<<locked>>
97%
49066
79%
**69
96%
Hodgdon Hybrid 100V
<<locked>>
97%
55405
89%
**21
100%
Hodgdon LVR
<<locked>>
91%
55419
89%
**54
100%
[Hodgdon Retumbo]*
<<locked>>
97%
30110
48%
**90
92%
Hodgdon Superperformance 👍
<<locked>>
92%
55970
90%
**20
100%
Hodgdon VARGET
<<locked>>
88%
55854
90%
**95
100%
IMR 3031
<<locked>>
84%
55535
89%
**65
100%
IMR 4064
<<locked>>
88%
55477
89%
**79
100%
IMR 4166 Enduron
<<locked>>
89%
55695
89%
**82
100%
IMR 4350
<<locked>>
95%
56101
90%
**31
99%
IMR 4451 Enduron
<<locked>>
90%
55637
89%
**08
100%
IMR 4831
<<locked>>
97%
52388
84%
**08
100%
IMR 4895
<<locked>>
84%
55898
90%
**28
100%
IMR 4955 Enduron
<<locked>>
97%
48370
78%
**26
96%
IMR 7828 SSC
<<locked>>
97%
47543
76%
**11
96%
Lovex S062
<<locked>>
85%
55274
89%
**72
100%
Lovex S065
<<locked>>
92%
55651
89%
**08
100%
Lovex S070
<<locked>>
93%
56072
90%
**31
100%
Lovex S071
<<locked>>
97%
38174
61%
**98
98%
Norma 203B
<<locked>>
85%
55579
89%
**11
100%
Norma 204
<<locked>>
94%
55376
89%
**64
99%
Norma MRP
<<locked>>
97%
47906
77%
**51
99%
Norma URP
<<locked>>
94%
55245
89%
**61
100%
Ramshot Big Game
<<locked>>
85%
55521
89%
**31
100%
Ramshot Hunter 👍
<<locked>>
95%
55753
89%
**90
100%
Ramshot Magnum
<<locked>>
97%
43308
69%
**33
97%
ReloadSwiss RS 50
<<locked>>
86%
55666
89%
**05
100%
ReloadSwiss RS 52
<<locked>>
85%
55550
89%
**25
100%
ReloadSwiss RS 60
<<locked>>
91%
55753
89%
**23
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55811
89%
**93
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
55782
89%
**36
100%
ReloadSwiss RS 76
<<locked>>
97%
36129
58%
**64
96%
Rottweil R 902
<<locked>>
84%
55869
90%
**62
100%
Rottweil R 903
<<locked>>
88%
55477
89%
**02
100%
Rottweil R 904
<<locked>>
97%
54041
87%
**15
98%
Rottweil R 905
<<locked>>
97%
50546
81%
**21
98%
Rottweil R 907
<<locked>>
91%
55912
90%
**05
99%
SNPE Vectan SP 11
<<locked>>
88%
55695
89%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55796
89%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55622
89%
**69
100%
Shooters World Long Rifle
<<locked>>
92%
55651
89%
**08
100%
Shooters World Precision
<<locked>>
85%
55274
89%
**72
100%
Somchem S355
<<locked>>
89%
55825
90%
**02
100%
Somchem S361
<<locked>>
97%
55753
89%
**11
97%
Somchem S365
<<locked>>
97%
55550
89%
**74
100%
Somchem S385
<<locked>>
97%
51343
82%
**05
99%
Vihtavuori N133
<<locked>>
84%
55506
89%
**67
100%
Vihtavuori N135
<<locked>>
90%
55724
89%
**16
100%
Vihtavuori N140
<<locked>>
85%
56115
90%
**33
100%
Vihtavuori N150
<<locked>>
94%
55593
89%
**69
100%
Vihtavuori N160
<<locked>>
91%
55840
90%
**25
100%
Vihtavuori N165
<<locked>>
97%
42366
68%
**57
97%
Vihtavuori N540
<<locked>>
85%
55622
89%
**59
100%
Vihtavuori N550
<<locked>>
91%
55999
90%
**70
100%
Vihtavuori N555
<<locked>>
97%
48022
77%
**98
100%
Vihtavuori N560
<<locked>>
97%
45600
73%
**95
95%
[Vihtavuori N565]*
<<locked>>
97%
37811
61%
**57
93%
Winchester 6.5 StaBALL
<<locked>>
93%
55405
89%
**05
100%
Winchester 760
<<locked>>
89%
55680
89%
**77
100%
Winchester StaBALL HD
<<locked>>
97%
35578
57%
**65
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46035
74%
**60
100%
[ADI AR 2209]*
<<locked>>
81%
31546
51%
**54
92%
[ADI AR 2213]*
<<locked>>
86%
32851
53%
**06
90%
[ADI AR 2225]*
<<locked>>
94%
27717
44%
**14
90%
Accurate 2700
<<locked>>
81%
44295
71%
**05
97%
[Accurate 3100]*
<<locked>>
81%
26643
43%
**49
93%
Accurate 4064
<<locked>>
81%
48428
78%
**77
100%
Accurate 4350
<<locked>>
81%
36535
59%
**75
99%
[Accurate MAGPRO]*
<<locked>>
91%
36709
59%
**24
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
46122
74%
**74
100%
Alliant Reloder-15
<<locked>>
81%
49371
79%
**33
100%
Alliant Reloder-16
<<locked>>
81%
35955
58%
**82
99%
Alliant Reloder-17
<<locked>>
81%
40335
65%
**83
100%
[Alliant Reloder-19]*
<<locked>>
81%
31270
50%
**57
92%
[Alliant Reloder-22]*
<<locked>>
82%
28500
46%
**31
90%
Alliant Reloder-23
<<locked>>
81%
26310
42%
**85
97%
[Alliant Reloder-25]*
<<locked>>
81%
23496
38%
**93
90%
Alliant Reloder-26
<<locked>>
81%
27775
45%
**73
95%
Hodgdon CFE223
<<locked>>
81%
48167
77%
**56
100%
Hodgdon H380
<<locked>>
81%
46978
75%
**00
100%
Hodgdon H414
<<locked>>
81%
42119
68%
**77
98%
Hodgdon H4350
<<locked>>
81%
35070
56%
**93
95%
[Hodgdon H4831]*
<<locked>>
89%
33953
54%
**93
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
33953
54%
**93
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33547
54%
**93
99%
Hodgdon LVR
<<locked>>
81%
39450
63%
**15
99%
[Hodgdon Retumbo]*
<<locked>>
94%
27717
44%
**14
90%
Hodgdon Superperformance
<<locked>>
81%
37623
60%
**28
96%
Hodgdon VARGET
<<locked>>
81%
45687
73%
**54
100%
IMR 3031
<<locked>>
81%
50705
81%
**10
100%
IMR 4064
<<locked>>
81%
45237
73%
**38
100%
IMR 4166 Enduron
<<locked>>
81%
44353
71%
**15
98%
IMR 4350
<<locked>>
81%
36492
59%
**23
96%
IMR 4451 Enduron
<<locked>>
81%
42583
68%
**11
98%
IMR 4831
<<locked>>
81%
31952
51%
**67
98%
IMR 4895
<<locked>>
81%
50546
81%
**59
100%
[IMR 4955 Enduron]*
<<locked>>
84%
32909
53%
**47
90%
[IMR 7828 SSC]*
<<locked>>
86%
32895
53%
**19
90%
Lovex S062
<<locked>>
81%
48660
78%
**83
100%
Lovex S065
<<locked>>
81%
40103
64%
**72
98%
Lovex S070
<<locked>>
81%
38087
61%
**52
97%
[Lovex S071]*
<<locked>>
81%
22989
37%
**50
91%
Norma 203B
<<locked>>
81%
48733
78%
**23
100%
[Norma 204]*
<<locked>>
81%
36056
58%
**46
94%
[Norma MRP]*
<<locked>>
81%
28268
45%
**51
92%
Norma URP
<<locked>>
81%
36405
58%
**65
99%
Ramshot Big Game
<<locked>>
81%
48921
78%
**43
100%
Ramshot Hunter
<<locked>>
81%
35360
57%
**59
97%
[Ramshot Magnum]*
<<locked>>
84%
28123
45%
**08
90%
ReloadSwiss RS 50
<<locked>>
81%
46876
75%
**87
99%
ReloadSwiss RS 52
<<locked>>
81%
48486
78%
**36
100%
ReloadSwiss RS 60
<<locked>>
81%
39175
63%
**83
100%
ReloadSwiss RS 62
<<locked>>
81%
36187
58%
**88
98%
ReloadSwiss RS 70
<<locked>>
81%
35360
57%
**95
98%
[ReloadSwiss RS 76]*
<<locked>>
90%
28326
45%
**57
90%
Rottweil R 902
<<locked>>
81%
50647
81%
**93
100%
Rottweil R 903
<<locked>>
81%
43671
70%
**44
100%
[Rottweil R 904]*
<<locked>>
81%
32634
52%
**44
91%
[Rottweil R 905]*
<<locked>>
81%
30284
49%
**44
92%
Rottweil R 907
<<locked>>
81%
41133
66%
**85
97%
SNPE Vectan SP 11
<<locked>>
81%
44802
72%
**93
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45353
73%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39189
63%
**23
97%
Shooters World Long Rifle
<<locked>>
81%
40103
64%
**72
98%
Shooters World Precision
<<locked>>
81%
48660
78%
**83
100%
Somchem S355
<<locked>>
81%
44295
71%
**47
100%
[Somchem S361]*
<<locked>>
81%
33489
54%
**47
90%
Somchem S365
<<locked>>
81%
32779
53%
**36
100%
[Somchem S385]*
<<locked>>
81%
30676
49%
**34
93%
Vihtavuori N133
<<locked>>
81%
50749
81%
**11
100%
Vihtavuori N135
<<locked>>
81%
43105
69%
**62
100%
Vihtavuori N140
<<locked>>
81%
49893
80%
**64
100%
Vihtavuori N150
<<locked>>
81%
37753
61%
**16
100%
Vihtavuori N160
<<locked>>
81%
39740
64%
**95
99%
[Vihtavuori N165]*
<<locked>>
82%
26658
43%
**26
90%
Vihtavuori N540
<<locked>>
81%
49676
80%
**83
100%
Vihtavuori N550
<<locked>>
81%
40074
64%
**34
99%
Vihtavuori N555
<<locked>>
81%
28529
46%
**41
97%
[Vihtavuori N560]*
<<locked>>
87%
33272
53%
**49
90%
[Vihtavuori N565]*
<<locked>>
91%
31734
51%
**26
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37072
59%
**46
100%
Winchester 760
<<locked>>
81%
42119
68%
**77
98%
Winchester StaBALL HD
<<locked>>
81%
23105
37%
**59
96%

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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