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Load data for .340 Weath. Mag. + .338 | 275gr | Speer SSP

Recommended Powder(s):

.340 Weath. 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:
.340 Weath. Mag. load data
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
3.620" | 91.9mm
Seated Depth:
0.569" | 14.5mm
Shank Seated Depth:
0.569" | 14.5mm
Case Capacity:
100.0 Grains of Water | 6.49 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6197_C476
Last updated:
2025-01-01

Load data for 144 loads in caliber .340 Weath. Mag. with .338 | 275gr | Speer SSP bullet and 72 powder(s). 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>>
84%
57435
90%
**84
100%
ADI AR 2209 👍
<<locked>>
94%
56869
89%
**79
100%
ADI AR 2213
<<locked>>
97%
56115
88%
**12
99%
ADI AR 2217
<<locked>>
97%
40930
64%
**56
96%
ADI AR 2225
<<locked>>
97%
36085
57%
**13
98%
Accurate 2700
<<locked>>
85%
57392
90%
**67
100%
Accurate 3100
<<locked>>
97%
55564
87%
**20
100%
Accurate 4350
<<locked>>
88%
56855
89%
**39
100%
Accurate MAGPRO
<<locked>>
97%
54853
86%
**12
97%
Alliant Reloder-16
<<locked>>
90%
57174
90%
**85
100%
Alliant Reloder-17
<<locked>>
85%
56913
89%
**79
100%
Alliant Reloder-19 👍
<<locked>>
95%
57130
90%
**85
100%
Alliant Reloder-22
<<locked>>
97%
55521
87%
**02
100%
Alliant Reloder-23
<<locked>>
97%
52431
82%
**26
100%
Alliant Reloder-25
<<locked>>
97%
45556
71%
**80
100%
Alliant Reloder-26
<<locked>>
95%
56681
89%
**64
100%
Hodgdon H1000
<<locked>>
97%
40930
64%
**56
96%
Hodgdon H414
<<locked>>
85%
57101
89%
**72
100%
Hodgdon H4350
<<locked>>
92%
57116
89%
**26
100%
Hodgdon H4831
<<locked>>
97%
51706
81%
**93
98%
Hodgdon H4831 SC
<<locked>>
96%
57290
90%
**75
99%
Hodgdon Hybrid 100V
<<locked>>
92%
57377
90%
**07
100%
Hodgdon LVR
<<locked>>
87%
57203
90%
**49
100%
Hodgdon Retumbo
<<locked>>
97%
36085
57%
**13
98%
Hodgdon Superperformance
<<locked>>
88%
57261
90%
**05
100%
Hodgdon VARGET
<<locked>>
84%
56956
89%
**80
100%
IMR 4064
<<locked>>
84%
57276
90%
**74
100%
IMR 4166 Enduron
<<locked>>
85%
57217
90%
**80
100%
IMR 4350
<<locked>>
90%
57130
90%
**23
100%
IMR 4451 Enduron
<<locked>>
86%
56898
89%
**00
100%
IMR 4831
<<locked>>
94%
57203
90%
**33
100%
IMR 4955 Enduron
<<locked>>
97%
56985
89%
**33
99%
IMR 7828 SSC
<<locked>>
97%
57276
90%
**38
99%
[IMR 8133 Enduron]*
<<locked>>
97%
32140
50%
**21
92%
Lovex S065
<<locked>>
88%
57406
90%
**00
100%
Lovex S070
<<locked>>
89%
56797
89%
**16
100%
Lovex S071
<<locked>>
97%
46818
73%
**02
100%
Norma 204 👍
<<locked>>
90%
56666
89%
**59
100%
Norma 217
<<locked>>
97%
32285
51%
**51
95%
Norma MRP 👍
<<locked>>
96%
57000
89%
**48
100%
Norma URP
<<locked>>
90%
57435
90%
**52
100%
Ramshot Hunter
<<locked>>
90%
57377
90%
**75
100%
Ramshot Magnum
<<locked>>
97%
54041
85%
**72
100%
ReloadSwiss RS 60
<<locked>>
86%
56985
89%
**95
100%
ReloadSwiss RS 62
<<locked>>
89%
57305
90%
**69
100%
ReloadSwiss RS 70
<<locked>>
90%
57174
90%
**21
100%
ReloadSwiss RS 76
<<locked>>
97%
44077
69%
**16
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
39798
62%
**05
94%
Rottweil R 903
<<locked>>
84%
56884
89%
**84
100%
Rottweil R 904
<<locked>>
93%
56681
89%
**36
99%
Rottweil R 905 👍
<<locked>>
95%
57217
90%
**82
100%
Rottweil R 907
<<locked>>
87%
57072
89%
**03
100%
SNPE Vectan SP 11
<<locked>>
84%
57276
90%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56724
89%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57159
90%
**70
100%
Shooters World Long Rifle
<<locked>>
88%
57406
90%
**00
100%
Somchem S355
<<locked>>
84%
57130
90%
**84
100%
Somchem S361
<<locked>>
93%
57188
90%
**16
98%
Somchem S365
<<locked>>
91%
57058
89%
**46
100%
Somchem S385
<<locked>>
95%
57406
90%
**52
100%
Vihtavuori N135
<<locked>>
86%
57421
90%
**98
100%
Vihtavuori N150
<<locked>>
89%
56666
89%
**44
100%
Vihtavuori N160
<<locked>>
87%
57203
90%
**13
100%
Vihtavuori N165
<<locked>>
97%
51721
81%
**67
99%
Vihtavuori N550
<<locked>>
87%
57029
89%
**49
100%
Vihtavuori N555
<<locked>>
96%
56927
89%
**75
100%
Vihtavuori N560
<<locked>>
97%
55651
87%
**25
99%
Vihtavuori N565
<<locked>>
97%
47340
74%
**93
97%
[Vihtavuori N568]*
<<locked>>
97%
41147
64%
**15
94%
Winchester 6.5 StaBALL
<<locked>>
89%
56913
89%
**87
100%
Winchester 760
<<locked>>
85%
57101
89%
**72
100%
Winchester StaBALL HD
<<locked>>
97%
49124
77%
**02
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52721
83%
**21
100%
ADI AR 2209
<<locked>>
81%
37130
58%
**51
96%
[ADI AR 2213]*
<<locked>>
81%
33069
52%
**82
92%
[ADI AR 2217]*
<<locked>>
87%
30081
47%
**03
90%
[ADI AR 2225]*
<<locked>>
85%
25048
39%
**05
90%
Accurate 2700
<<locked>>
81%
50981
80%
**79
99%
Accurate 3100
<<locked>>
81%
32909
52%
**42
97%
Accurate 4350
<<locked>>
81%
44425
70%
**65
100%
[Accurate MAGPRO]*
<<locked>>
83%
33533
53%
**21
90%
Alliant Reloder-16
<<locked>>
81%
42699
67%
**69
100%
Alliant Reloder-17
<<locked>>
81%
48820
77%
**74
100%
Alliant Reloder-19
<<locked>>
81%
37130
58%
**51
96%
[Alliant Reloder-22]*
<<locked>>
81%
32779
51%
**92
94%
Alliant Reloder-23
<<locked>>
81%
31473
49%
**65
100%
Alliant Reloder-25
<<locked>>
81%
27456
43%
**83
95%
Alliant Reloder-26
<<locked>>
81%
33910
53%
**83
99%
[Hodgdon H1000]*
<<locked>>
87%
30081
47%
**03
90%
Hodgdon H414
<<locked>>
81%
49980
78%
**67
100%
Hodgdon H4350
<<locked>>
81%
40683
64%
**67
98%
[Hodgdon H4831]*
<<locked>>
81%
31256
49%
**00
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
34635
54%
**82
92%
Hodgdon Hybrid 100V
<<locked>>
81%
40190
63%
**67
100%
Hodgdon LVR
<<locked>>
81%
46789
73%
**98
100%
[Hodgdon Retumbo]*
<<locked>>
85%
25048
39%
**05
90%
Hodgdon Superperformance
<<locked>>
81%
44976
70%
**25
99%
Hodgdon VARGET
<<locked>>
81%
52402
82%
**21
100%
IMR 4064
<<locked>>
81%
52011
81%
**02
100%
IMR 4166 Enduron
<<locked>>
81%
50821
80%
**92
100%
IMR 4350
<<locked>>
81%
42743
67%
**03
98%
IMR 4451 Enduron
<<locked>>
81%
48762
76%
**88
100%
IMR 4831
<<locked>>
81%
38508
60%
**47
100%
[IMR 4955 Enduron]*
<<locked>>
81%
35128
55%
**59
93%
[IMR 7828 SSC]*
<<locked>>
81%
33649
53%
**08
93%
[IMR 8133 Enduron]*
<<locked>>
93%
28848
45%
**33
90%
Lovex S065
<<locked>>
81%
46282
73%
**39
100%
Lovex S070
<<locked>>
81%
44556
70%
**36
99%
Lovex S071
<<locked>>
81%
28282
44%
**34
95%
Norma 204
<<locked>>
81%
42511
67%
**36
97%
[Norma 217]*
<<locked>>
89%
25324
40%
**47
90%
Norma MRP
<<locked>>
81%
34113
53%
**51
97%
Norma URP
<<locked>>
81%
43627
68%
**49
100%
Ramshot Hunter
<<locked>>
81%
42308
66%
**52
99%
[Ramshot Magnum]*
<<locked>>
81%
30052
47%
**29
94%
ReloadSwiss RS 60
<<locked>>
81%
46891
73%
**64
100%
ReloadSwiss RS 62
<<locked>>
81%
44063
69%
**85
100%
ReloadSwiss RS 70
<<locked>>
81%
42337
66%
**98
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
25831
40%
**57
91%
[ReloadSwiss RS 80]*
<<locked>>
91%
32126
50%
**34
90%
Rottweil R 903
<<locked>>
81%
51372
80%
**15
100%
Rottweil R 904
<<locked>>
81%
38653
61%
**41
95%
Rottweil R 905
<<locked>>
81%
36158
57%
**34
96%
Rottweil R 907
<<locked>>
81%
47529
74%
**65
99%
SNPE Vectan SP 11
<<locked>>
81%
52765
83%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52141
82%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45382
71%
**00
99%
Shooters World Long Rifle
<<locked>>
81%
46282
73%
**39
100%
Somchem S355
<<locked>>
81%
51271
80%
**08
100%
[Somchem S361]*
<<locked>>
81%
39073
61%
**24
94%
Somchem S365
<<locked>>
81%
40161
63%
**10
100%
Somchem S385
<<locked>>
81%
36840
58%
**24
97%
Vihtavuori N135
<<locked>>
81%
50111
79%
**13
100%
Vihtavuori N150
<<locked>>
81%
44266
69%
**77
100%
Vihtavuori N160
<<locked>>
81%
46775
73%
**69
100%
[Vihtavuori N165]*
<<locked>>
81%
30951
48%
**90
94%
Vihtavuori N550
<<locked>>
81%
47558
75%
**11
100%
Vihtavuori N555
<<locked>>
81%
35230
55%
**31
100%
[Vihtavuori N560]*
<<locked>>
81%
32967
52%
**08
92%
[Vihtavuori N565]*
<<locked>>
82%
28906
45%
**10
90%
[Vihtavuori N568]*
<<locked>>
91%
33373
52%
**44
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44077
69%
**20
100%
Winchester 760
<<locked>>
81%
49980
78%
**67
100%
Winchester StaBALL HD
<<locked>>
81%
26107
41%
**78
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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