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Load data for .340 Weath. Mag. + .338 | 250gr | Norma GTX

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, IMR 4350, Ramshot Hunter, ReloadSwiss RS 70

.340 Weath. Mag. + .338 | 250gr | Norma GTX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Norma GTX
Manufacturer SKU:
10685031
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.579" | 40.1mm
Caliber:
.340 Weath. Mag. load data
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
3.620" | 91.9mm
Seated Depth:
0.784" | 19.9mm
Shank Seated Depth:
0.514" | 13.0mm
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_B10819_C476
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 166 loads in caliber .340 Weath. Mag. with .338 | 250gr | Norma GTX bullet and 83 powders such as Alliant Reloder-26, Hodgdon Superperformance, IMR 4350, Ramshot Hunter, 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%
57043
89%
**92
100%
ADI AR 2209
<<locked>>
97%
54578
86%
**54
99%
ADI AR 2213
<<locked>>
97%
49255
77%
**98
96%
[ADI AR 2225]*
<<locked>>
97%
31865
50%
**77
93%
Accurate 2700
<<locked>>
87%
56637
89%
**59
99%
Accurate 3100
<<locked>>
97%
48153
75%
**20
99%
Accurate 4064
<<locked>>
85%
56898
89%
**56
100%
Accurate 4350
<<locked>>
92%
56884
89%
**54
100%
[Accurate MAGPRO]*
<<locked>>
97%
47094
74%
**92
94%
Alliant Reloder- TS 15.5
<<locked>>
86%
56971
89%
**98
100%
Alliant Reloder-15
<<locked>>
84%
57305
90%
**21
100%
Alliant Reloder-16
<<locked>>
94%
57232
90%
**03
100%
Alliant Reloder-17
<<locked>>
89%
56971
89%
**00
100%
Alliant Reloder-19
<<locked>>
97%
53940
85%
**48
99%
Alliant Reloder-22
<<locked>>
97%
47979
75%
**92
98%
Alliant Reloder-23
<<locked>>
97%
45223
71%
**39
100%
Alliant Reloder-25
<<locked>>
97%
39552
62%
**64
99%
Alliant Reloder-26 👍
<<locked>>
97%
51430
81%
**10
100%
Hodgdon CFE223
<<locked>>
84%
56956
89%
**54
100%
Hodgdon H380
<<locked>>
86%
56985
89%
**18
100%
Hodgdon H414
<<locked>>
89%
57087
89%
**77
100%
Hodgdon H4350
<<locked>>
95%
56855
89%
**25
99%
Hodgdon H4831
<<locked>>
97%
45324
71%
**77
95%
Hodgdon H4831 SC
<<locked>>
97%
51677
81%
**85
96%
Hodgdon Hybrid 100V
<<locked>>
96%
56797
89%
**18
100%
Hodgdon LVR
<<locked>>
91%
56652
89%
**54
100%
[Hodgdon Retumbo]*
<<locked>>
97%
31865
50%
**77
93%
Hodgdon Superperformance 👍
<<locked>>
91%
57174
90%
**17
100%
Hodgdon VARGET
<<locked>>
87%
57043
89%
**92
100%
IMR 3031
<<locked>>
84%
57363
90%
**62
100%
IMR 4064
<<locked>>
87%
56855
89%
**79
100%
IMR 4166 Enduron
<<locked>>
88%
56927
89%
**75
100%
IMR 4350 👍
<<locked>>
94%
57217
90%
**28
99%
IMR 4451 Enduron
<<locked>>
89%
56826
89%
**08
100%
IMR 4831
<<locked>>
97%
55201
87%
**21
100%
IMR 4895
<<locked>>
83%
57392
90%
**28
100%
IMR 4955 Enduron
<<locked>>
97%
50879
80%
**33
96%
IMR 7828 SSC
<<locked>>
97%
50082
78%
**21
97%
Lovex S062
<<locked>>
85%
56666
89%
**62
100%
Lovex S065
<<locked>>
91%
57072
89%
**05
100%
Lovex S070
<<locked>>
93%
57334
90%
**28
100%
Lovex S071
<<locked>>
97%
40466
63%
**92
98%
Norma 203B
<<locked>>
85%
57188
90%
**18
100%
Norma 204
<<locked>>
93%
57377
90%
**67
99%
Norma MRP
<<locked>>
97%
50604
79%
**71
99%
Norma URP
<<locked>>
93%
56942
89%
**57
100%
Ramshot Big Game
<<locked>>
84%
56710
89%
**28
100%
Ramshot Hunter 👍
<<locked>>
94%
56898
89%
**84
100%
Ramshot Magnum
<<locked>>
97%
46586
73%
**62
98%
ReloadSwiss RS 50
<<locked>>
86%
56840
89%
**02
100%
ReloadSwiss RS 52
<<locked>>
85%
57377
90%
**28
100%
ReloadSwiss RS 60
<<locked>>
90%
57072
89%
**20
100%
ReloadSwiss RS 62
<<locked>>
92%
56768
89%
**80
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
57203
90%
**36
100%
ReloadSwiss RS 76
<<locked>>
97%
38479
60%
**77
96%
Rottweil R 902
<<locked>>
84%
57159
90%
**52
100%
Rottweil R 903
<<locked>>
88%
57000
89%
**98
100%
Rottweil R 904
<<locked>>
97%
56840
89%
**35
98%
Rottweil R 905
<<locked>>
97%
53156
83%
**31
99%
Rottweil R 907
<<locked>>
90%
57174
90%
**05
99%
SNPE Vectan SP 11
<<locked>>
87%
56811
89%
**35
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
56608
89%
**74
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
56826
89%
**59
100%
Shooters World Long Rifle
<<locked>>
91%
57072
89%
**05
100%
Shooters World Precision
<<locked>>
85%
56666
89%
**62
100%
Somchem S355
<<locked>>
88%
57261
90%
**98
100%
Somchem S361
<<locked>>
96%
57072
89%
**08
97%
Somchem S365
<<locked>>
96%
57334
90%
**77
100%
Somchem S385
<<locked>>
97%
54215
85%
**12
99%
Vihtavuori N133
<<locked>>
84%
56811
89%
**57
100%
Vihtavuori N135
<<locked>>
89%
57246
90%
**07
100%
Vihtavuori N140
<<locked>>
84%
57043
89%
**26
100%
Vihtavuori N150
<<locked>>
93%
57058
89%
**56
100%
Vihtavuori N160
<<locked>>
90%
56826
89%
**15
100%
Vihtavuori N165
<<locked>>
97%
45005
71%
**67
97%
Vihtavuori N540
<<locked>>
84%
57319
90%
**59
100%
Vihtavuori N550
<<locked>>
90%
56971
89%
**61
100%
Vihtavuori N555
<<locked>>
97%
50778
80%
**12
100%
Vihtavuori N560
<<locked>>
97%
47979
75%
**05
96%
[Vihtavuori N565]*
<<locked>>
97%
40437
63%
**64
94%
Winchester 6.5 StaBALL
<<locked>>
92%
56840
89%
**02
100%
Winchester 760
<<locked>>
89%
57087
89%
**77
100%
Winchester StaBALL HD
<<locked>>
97%
39668
62%
**95
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47950
75%
**57
100%
[ADI AR 2209]*
<<locked>>
81%
32982
52%
**44
92%
[ADI AR 2213]*
<<locked>>
85%
33794
53%
**74
90%
[ADI AR 2225]*
<<locked>>
93%
28239
44%
**72
90%
Accurate 2700
<<locked>>
81%
45890
72%
**92
98%
[Accurate 3100]*
<<locked>>
81%
28427
45%
**33
94%
Accurate 4064
<<locked>>
81%
50836
80%
**74
100%
Accurate 4350
<<locked>>
81%
38798
61%
**72
99%
[Accurate MAGPRO]*
<<locked>>
90%
37898
59%
**05
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48269
76%
**77
100%
Alliant Reloder-15
<<locked>>
81%
51706
81%
**39
100%
Alliant Reloder-16
<<locked>>
81%
37637
59%
**75
99%
Alliant Reloder-17
<<locked>>
81%
42583
67%
**84
100%
[Alliant Reloder-19]*
<<locked>>
81%
32880
52%
**47
92%
[Alliant Reloder-22]*
<<locked>>
81%
29182
46%
**88
90%
Alliant Reloder-23
<<locked>>
81%
27557
43%
**59
97%
[Alliant Reloder-25]*
<<locked>>
81%
24381
38%
**54
90%
Alliant Reloder-26
<<locked>>
81%
29312
46%
**60
96%
Hodgdon CFE223
<<locked>>
81%
50633
79%
**66
100%
Hodgdon H380
<<locked>>
81%
48907
77%
**00
100%
Hodgdon H414
<<locked>>
81%
44150
69%
**80
98%
Hodgdon H4350
<<locked>>
81%
36550
57%
**77
95%
[Hodgdon H4831]*
<<locked>>
88%
34534
54%
**64
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
34534
54%
**64
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34998
55%
**74
99%
Hodgdon LVR
<<locked>>
81%
41452
65%
**08
99%
[Hodgdon Retumbo]*
<<locked>>
93%
28239
44%
**72
90%
Hodgdon Superperformance
<<locked>>
81%
39624
62%
**28
97%
Hodgdon VARGET
<<locked>>
81%
47326
74%
**51
100%
IMR 3031
<<locked>>
81%
52939
83%
**07
100%
IMR 4064
<<locked>>
81%
47050
74%
**38
100%
IMR 4166 Enduron
<<locked>>
81%
45963
72%
**08
98%
IMR 4350
<<locked>>
81%
38145
60%
**13
96%
IMR 4451 Enduron
<<locked>>
81%
44295
69%
**05
98%
IMR 4831
<<locked>>
81%
33576
53%
**44
98%
IMR 4895
<<locked>>
81%
53113
83%
**69
100%
[IMR 4955 Enduron]*
<<locked>>
83%
33620
53%
**08
90%
[IMR 7828 SSC]*
<<locked>>
85%
33547
53%
**87
90%
Lovex S062
<<locked>>
81%
50691
79%
**87
100%
Lovex S065
<<locked>>
81%
41713
65%
**62
99%
Lovex S070
<<locked>>
81%
39943
63%
**46
97%
[Lovex S071]*
<<locked>>
81%
24424
38%
**18
91%
Norma 203B
<<locked>>
81%
51198
80%
**36
100%
[Norma 204]*
<<locked>>
81%
37797
59%
**36
94%
[Norma MRP]*
<<locked>>
81%
29660
46%
**28
92%
Norma URP
<<locked>>
81%
38392
60%
**62
99%
Ramshot Big Game
<<locked>>
81%
51329
80%
**52
100%
Ramshot Hunter
<<locked>>
81%
37173
58%
**52
97%
[Ramshot Magnum]*
<<locked>>
83%
28485
45%
**59
90%
ReloadSwiss RS 50
<<locked>>
81%
49211
77%
**93
99%
ReloadSwiss RS 52
<<locked>>
81%
50879
80%
**43
100%
ReloadSwiss RS 60
<<locked>>
81%
41307
65%
**84
100%
ReloadSwiss RS 62
<<locked>>
81%
38276
60%
**85
99%
ReloadSwiss RS 70
<<locked>>
81%
37304
58%
**95
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
28790
45%
**15
90%
Rottweil R 902
<<locked>>
81%
52359
82%
**90
100%
Rottweil R 903
<<locked>>
81%
45905
72%
**41
100%
[Rottweil R 904]*
<<locked>>
81%
34301
54%
**31
91%
[Rottweil R 905]*
<<locked>>
81%
31589
49%
**21
92%
Rottweil R 907
<<locked>>
81%
42917
67%
**79
97%
SNPE Vectan SP 11
<<locked>>
81%
46949
74%
**90
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47369
74%
**52
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40756
64%
**10
97%
Shooters World Long Rifle
<<locked>>
81%
41713
65%
**62
99%
Shooters World Precision
<<locked>>
81%
50691
79%
**87
100%
Somchem S355
<<locked>>
81%
46122
72%
**41
100%
[Somchem S361]*
<<locked>>
81%
34766
54%
**21
91%
Somchem S365
<<locked>>
81%
34635
54%
**20
100%
[Somchem S385]*
<<locked>>
81%
32372
51%
**15
94%
Vihtavuori N133
<<locked>>
81%
52605
82%
**08
100%
Vihtavuori N135
<<locked>>
81%
45049
71%
**56
100%
Vihtavuori N140
<<locked>>
81%
52301
82%
**64
100%
Vihtavuori N150
<<locked>>
81%
39595
62%
**03
100%
Vihtavuori N160
<<locked>>
81%
41539
65%
**85
99%
[Vihtavuori N165]*
<<locked>>
81%
27528
43%
**83
90%
Vihtavuori N540
<<locked>>
81%
51706
81%
**84
100%
Vihtavuori N550
<<locked>>
81%
41887
66%
**25
99%
Vihtavuori N555
<<locked>>
81%
30342
48%
**28
97%
[Vihtavuori N560]*
<<locked>>
86%
33953
53%
**16
90%
[Vihtavuori N565]*
<<locked>>
90%
32387
51%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38798
61%
**33
100%
Winchester 760
<<locked>>
81%
44150
69%
**80
98%
Winchester StaBALL HD
<<locked>>
81%
24395
38%
**33
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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