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Load data for .340 Weath. Mag. + .338 | 250gr | Nosler Partition RN

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Norma 204, Ramshot Hunter, Somchem S385

.340 Weath. Mag. + .338 | 250gr | Nosler Partition RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Nosler Partition RN
Manufacturer SKU:
16338
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.340" | 34.0mm
Caliber:
.340 Weath. Mag. load data
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
3.620" | 91.9mm
Seated Depth:
0.545" | 13.8mm
Shank Seated Depth:
0.545" | 13.8mm
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_B4146_C476
Last updated:
2025-01-01

Load data for 154 loads in caliber .340 Weath. Mag. with .338 | 250gr | Nosler Partition RN bullet and 77 powders such as Alliant Reloder-26, Hodgdon Superperformance, Norma 204, Ramshot Hunter, Somchem S385. 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>>
85%
56869
89%
**05
100%
ADI AR 2209
<<locked>>
96%
57072
89%
**07
99%
ADI AR 2213
<<locked>>
97%
51967
81%
**61
97%
[ADI AR 2217]*
<<locked>>
97%
37913
59%
**82
93%
ADI AR 2225
<<locked>>
97%
33620
53%
**46
95%
Accurate 2700
<<locked>>
87%
57319
90%
**79
99%
Accurate 3100
<<locked>>
97%
50836
80%
**69
100%
Accurate 4064
<<locked>>
83%
57101
89%
**69
100%
Accurate 4350
<<locked>>
91%
56985
89%
**64
100%
Accurate MAGPRO
<<locked>>
97%
50067
78%
**57
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
56753
89%
**08
100%
Alliant Reloder-16
<<locked>>
92%
56695
89%
**10
100%
Alliant Reloder-17
<<locked>>
88%
57348
90%
**17
100%
Alliant Reloder-19
<<locked>>
97%
56724
89%
**97
99%
Alliant Reloder-22
<<locked>>
97%
50981
80%
**54
98%
Alliant Reloder-23
<<locked>>
97%
48008
75%
**92
100%
Alliant Reloder-25
<<locked>>
97%
41930
66%
**33
99%
Alliant Reloder-26 👍
<<locked>>
97%
55492
87%
**76
100%
Hodgdon CFE223
<<locked>>
83%
57116
90%
**71
100%
[Hodgdon H1000]*
<<locked>>
97%
37913
59%
**82
93%
Hodgdon H380
<<locked>>
84%
56971
89%
**31
100%
Hodgdon H414
<<locked>>
87%
57392
90%
**97
100%
Hodgdon H4350
<<locked>>
94%
56782
89%
**35
99%
Hodgdon H4831
<<locked>>
97%
47776
75%
**36
96%
Hodgdon H4831 SC
<<locked>>
97%
54549
85%
**44
97%
Hodgdon Hybrid 100V
<<locked>>
94%
57232
90%
**35
100%
Hodgdon LVR
<<locked>>
89%
57203
90%
**71
100%
Hodgdon Retumbo
<<locked>>
97%
33620
53%
**46
95%
Hodgdon Superperformance 👍
<<locked>>
90%
57058
89%
**30
100%
Hodgdon VARGET
<<locked>>
86%
56869
89%
**05
100%
IMR 4064
<<locked>>
86%
56681
89%
**92
100%
IMR 4166 Enduron
<<locked>>
87%
57130
90%
**98
100%
IMR 4350
<<locked>>
92%
56811
89%
**35
100%
IMR 4451 Enduron
<<locked>>
88%
56956
89%
**25
100%
IMR 4831
<<locked>>
96%
56956
89%
**54
100%
IMR 4955 Enduron
<<locked>>
97%
53345
84%
**95
97%
IMR 7828 SSC
<<locked>>
97%
52808
83%
**84
98%
Lovex S062
<<locked>>
83%
56739
89%
**75
100%
Lovex S065
<<locked>>
90%
57348
90%
**21
100%
Lovex S070
<<locked>>
91%
57261
90%
**44
100%
Lovex S071
<<locked>>
97%
42844
67%
**44
99%
Norma 203B
<<locked>>
83%
57174
90%
**31
100%
Norma 204 👍
<<locked>>
92%
56985
89%
**77
99%
Norma MRP
<<locked>>
97%
54070
85%
**36
100%
Norma URP
<<locked>>
92%
56710
89%
**71
100%
Ramshot Hunter 👍
<<locked>>
92%
57145
90%
**00
100%
Ramshot Magnum
<<locked>>
97%
49211
77%
**18
99%
ReloadSwiss RS 50
<<locked>>
84%
56869
89%
**18
100%
ReloadSwiss RS 52
<<locked>>
83%
57406
90%
**41
100%
ReloadSwiss RS 60
<<locked>>
89%
56608
89%
**30
100%
ReloadSwiss RS 62
<<locked>>
91%
57406
90%
**03
100%
ReloadSwiss RS 70
<<locked>>
92%
57043
89%
**43
100%
ReloadSwiss RS 76
<<locked>>
97%
40683
64%
**46
98%
Rottweil R 903
<<locked>>
86%
57363
90%
**15
100%
Rottweil R 904
<<locked>>
96%
57319
90%
**51
98%
Rottweil R 905
<<locked>>
97%
56347
88%
**94
99%
Rottweil R 907
<<locked>>
89%
56768
89%
**21
100%
SNPE Vectan SP 11
<<locked>>
85%
56971
89%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56768
89%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57130
90%
**79
100%
Shooters World Long Rifle
<<locked>>
90%
57348
90%
**21
100%
Shooters World Precision
<<locked>>
83%
56739
89%
**75
100%
Somchem S355
<<locked>>
86%
57174
90%
**12
100%
Somchem S361
<<locked>>
95%
57217
90%
**31
98%
Somchem S365
<<locked>>
94%
57319
90%
**84
100%
Somchem S385 👍
<<locked>>
97%
57276
90%
**67
100%
Vihtavuori N135
<<locked>>
88%
57232
90%
**20
100%
Vihtavuori N150
<<locked>>
91%
57014
89%
**69
100%
Vihtavuori N160
<<locked>>
89%
57377
90%
**41
100%
Vihtavuori N165
<<locked>>
97%
47761
75%
**20
98%
Vihtavuori N550
<<locked>>
89%
56710
89%
**74
100%
Vihtavuori N555
<<locked>>
97%
53722
84%
**61
100%
Vihtavuori N560
<<locked>>
97%
50792
80%
**67
97%
Vihtavuori N565
<<locked>>
97%
43105
68%
**26
95%
Winchester 6.5 StaBALL
<<locked>>
91%
57305
90%
**15
100%
Winchester 760
<<locked>>
87%
57392
90%
**97
100%
Winchester StaBALL HD
<<locked>>
97%
43323
68%
**54
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49864
78%
**03
100%
[ADI AR 2209]*
<<locked>>
81%
34505
54%
**90
93%
[ADI AR 2213]*
<<locked>>
83%
32851
51%
**67
90%
[ADI AR 2217]*
<<locked>>
93%
33170
52%
**67
90%
[ADI AR 2225]*
<<locked>>
90%
27398
43%
**62
90%
Accurate 2700
<<locked>>
81%
48051
75%
**44
98%
Accurate 3100
<<locked>>
81%
30023
47%
**78
95%
Accurate 4064
<<locked>>
81%
53084
83%
**16
100%
Accurate 4350
<<locked>>
81%
40814
64%
**18
99%
[Accurate MAGPRO]*
<<locked>>
88%
36666
57%
**95
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50314
79%
**20
100%
Alliant Reloder-16
<<locked>>
81%
39436
62%
**21
100%
Alliant Reloder-17
<<locked>>
81%
44976
70%
**36
100%
[Alliant Reloder-19]*
<<locked>>
81%
34374
54%
**93
93%
[Alliant Reloder-22]*
<<locked>>
81%
30197
47%
**28
91%
Alliant Reloder-23
<<locked>>
81%
28964
45%
**08
98%
[Alliant Reloder-25]*
<<locked>>
81%
25570
40%
**10
92%
Alliant Reloder-26
<<locked>>
81%
31038
49%
**13
97%
Hodgdon CFE223
<<locked>>
81%
53098
83%
**15
100%
[Hodgdon H1000]*
<<locked>>
93%
33170
52%
**67
90%
Hodgdon H380
<<locked>>
81%
51111
80%
**49
100%
Hodgdon H414
<<locked>>
81%
46514
73%
**33
99%
Hodgdon H4350
<<locked>>
81%
38159
60%
**23
96%
[Hodgdon H4831]*
<<locked>>
86%
33765
53%
**54
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
33431
52%
**47
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36927
58%
**23
100%
Hodgdon LVR
<<locked>>
81%
43511
68%
**61
99%
[Hodgdon Retumbo]*
<<locked>>
90%
27398
43%
**62
90%
Hodgdon Superperformance
<<locked>>
81%
41553
65%
**74
97%
Hodgdon VARGET
<<locked>>
81%
49269
77%
**93
100%
IMR 4064
<<locked>>
81%
48936
77%
**80
100%
IMR 4166 Enduron
<<locked>>
81%
47805
75%
**61
99%
IMR 4350
<<locked>>
81%
40103
63%
**59
97%
IMR 4451 Enduron
<<locked>>
81%
46079
72%
**54
99%
IMR 4831
<<locked>>
81%
35447
56%
**97
99%
[IMR 4955 Enduron]*
<<locked>>
81%
32982
52%
**05
90%
[IMR 7828 SSC]*
<<locked>>
82%
32590
51%
**77
90%
Lovex S062
<<locked>>
81%
52765
83%
**23
100%
Lovex S065
<<locked>>
81%
43584
68%
**05
99%
Lovex S070
<<locked>>
81%
41800
65%
**98
98%
[Lovex S071]*
<<locked>>
81%
25802
40%
**64
93%
Norma 203B
<<locked>>
81%
53142
83%
**79
100%
Norma 204
<<locked>>
81%
39595
62%
**85
95%
[Norma MRP]*
<<locked>>
81%
31386
49%
**87
94%
Norma URP
<<locked>>
81%
40509
63%
**15
99%
Ramshot Hunter
<<locked>>
81%
39276
62%
**05
98%
[Ramshot Magnum]*
<<locked>>
81%
27746
43%
**52
90%
ReloadSwiss RS 50
<<locked>>
81%
51155
80%
**33
100%
ReloadSwiss RS 52
<<locked>>
81%
53258
83%
**89
100%
ReloadSwiss RS 60
<<locked>>
81%
43424
68%
**33
100%
ReloadSwiss RS 62
<<locked>>
81%
40509
63%
**34
99%
ReloadSwiss RS 70
<<locked>>
81%
39160
61%
**51
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
28442
45%
**15
90%
Rottweil R 903
<<locked>>
81%
48109
75%
**90
100%
[Rottweil R 904]*
<<locked>>
81%
35810
56%
**77
92%
[Rottweil R 905]*
<<locked>>
81%
33388
52%
**74
93%
Rottweil R 907
<<locked>>
81%
44643
70%
**28
98%
SNPE Vectan SP 11
<<locked>>
81%
49095
77%
**39
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48994
77%
**88
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42511
67%
**59
98%
Shooters World Long Rifle
<<locked>>
81%
43584
68%
**05
99%
Shooters World Precision
<<locked>>
81%
52765
83%
**23
100%
Somchem S355
<<locked>>
81%
48240
76%
**87
100%
[Somchem S361]*
<<locked>>
81%
36506
57%
**67
92%
Somchem S365
<<locked>>
81%
36912
58%
**69
100%
Somchem S385
<<locked>>
81%
34185
54%
**70
95%
Vihtavuori N135
<<locked>>
81%
46818
73%
**92
100%
Vihtavuori N150
<<locked>>
81%
41307
65%
**43
100%
Vihtavuori N160
<<locked>>
81%
43627
68%
**31
100%
[Vihtavuori N165]*
<<locked>>
81%
28660
45%
**26
91%
Vihtavuori N550
<<locked>>
81%
43976
69%
**70
100%
Vihtavuori N555
<<locked>>
81%
32372
51%
**77
98%
[Vihtavuori N560]*
<<locked>>
84%
33040
52%
**06
90%
[Vihtavuori N565]*
<<locked>>
88%
32242
51%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40799
64%
**79
100%
Winchester 760
<<locked>>
81%
46514
73%
**33
99%
Winchester StaBALL HD
<<locked>>
81%
25657
40%
**95
98%

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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