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Load data for .340 Weath. Mag. + .338 | 300gr | Nosler Custom Competition

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Recommended Powder(s):

.340 Weath. Mag. + .338 | 300gr | Nosler Custom Competition

Load Specifications

Bullet:
.338 | 300gr | Nosler Custom Competition
Manufacturer SKU:
53515
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.725" | 43.8mm
Caliber:
.340 Weath. Mag.
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
3.620" | 91.9mm
Seated Depth:
0.930" | 23.6mm
Shank Seated Depth:
0.792" | 20.1mm
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_B4152_C476

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 148 loads in caliber .340 Weath. Mag. with .338 | 300gr | Nosler Custom Competition bullet and 74 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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    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.

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%
56724
89%
**39
100%
ADI AR 2209 👍
<<locked>>
95%
56594
89%
**44
100%
ADI AR 2213
<<locked>>
97%
54650
86%
**54
99%
ADI AR 2217
<<locked>>
97%
39711
62%
**11
96%
ADI AR 2225
<<locked>>
97%
35070
55%
**78
98%
Accurate 2700
<<locked>>
85%
56913
89%
**29
100%
Accurate 3100
<<locked>>
97%
53998
85%
**69
100%
Accurate 4350
<<locked>>
89%
56782
89%
**05
100%
Accurate MAGPRO
<<locked>>
97%
53359
84%
**57
98%
Alliant Reloder- TS 15.5
<<locked>>
83%
57145
90%
**49
100%
Alliant Reloder-16
<<locked>>
91%
57348
90%
**44
100%
Alliant Reloder-17
<<locked>>
86%
56942
89%
**38
100%
Alliant Reloder-19 👍
<<locked>>
95%
57305
90%
**48
100%
Alliant Reloder-22 👍
<<locked>>
97%
53940
85%
**44
100%
Alliant Reloder-23
<<locked>>
97%
51517
81%
**79
100%
Alliant Reloder-25
<<locked>>
97%
44382
70%
**36
100%
Alliant Reloder-26
<<locked>>
96%
56826
89%
**26
100%
Hodgdon H1000
<<locked>>
97%
39711
62%
**11
96%
Hodgdon H414
<<locked>>
85%
56826
89%
**25
100%
Hodgdon H4350
<<locked>>
93%
57130
90%
**85
100%
Hodgdon H4831
<<locked>>
97%
50285
79%
**39
98%
Hodgdon H4831 SC
<<locked>>
97%
57377
90%
**34
99%
Hodgdon Hybrid 100V
<<locked>>
93%
57130
90%
**69
100%
Hodgdon LVR
<<locked>>
88%
57087
89%
**05
100%
Hodgdon Retumbo
<<locked>>
97%
35070
55%
**78
98%
Hodgdon Superperformance
<<locked>>
88%
57145
90%
**67
100%
Hodgdon VARGET
<<locked>>
84%
57116
89%
**39
100%
IMR 4064
<<locked>>
84%
56826
89%
**26
100%
IMR 4166 Enduron
<<locked>>
85%
56768
89%
**36
100%
IMR 4350
<<locked>>
91%
57101
89%
**85
100%
IMR 4451 Enduron
<<locked>>
87%
57000
89%
**65
100%
IMR 4831
<<locked>>
95%
57174
90%
**95
100%
IMR 4955 Enduron
<<locked>>
97%
55317
87%
**75
99%
IMR 7828 SSC
<<locked>>
97%
55666
87%
**80
99%
[IMR 8133 Enduron]*
<<locked>>
97%
31517
49%
**03
93%
Lovex S065
<<locked>>
88%
56884
89%
**59
100%
Lovex S070
<<locked>>
89%
56913
89%
**79
100%
Lovex S071
<<locked>>
97%
45295
71%
**47
100%
Norma 204
<<locked>>
90%
57101
89%
**25
100%
Norma 217
<<locked>>
97%
31241
49%
**19
96%
Norma MRP 👍
<<locked>>
97%
57087
89%
**13
100%
Norma URP
<<locked>>
90%
57348
90%
**08
100%
Ramshot Hunter
<<locked>>
91%
57000
89%
**31
100%
Ramshot Magnum
<<locked>>
97%
52417
82%
**18
100%
ReloadSwiss RS 50
<<locked>>
83%
57000
89%
**62
100%
ReloadSwiss RS 60
<<locked>>
87%
57421
90%
**61
100%
ReloadSwiss RS 62
<<locked>>
89%
57261
90%
**34
100%
ReloadSwiss RS 70
<<locked>>
90%
56724
89%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
42931
67%
**65
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
38493
60%
**64
94%
Rottweil R 903
<<locked>>
85%
57014
89%
**46
100%
Rottweil R 904
<<locked>>
94%
57406
90%
**02
99%
Rottweil R 905 👍
<<locked>>
96%
56927
89%
**41
100%
Rottweil R 907
<<locked>>
88%
57174
90%
**65
100%
SNPE Vectan SP 11
<<locked>>
84%
56565
89%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57058
89%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56652
89%
**23
100%
Shooters World Long Rifle
<<locked>>
88%
56884
89%
**59
100%
Somchem S355
<<locked>>
85%
56855
89%
**39
100%
Somchem S361
<<locked>>
93%
57305
90%
**79
99%
Somchem S365
<<locked>>
92%
56855
89%
**08
100%
Somchem S385
<<locked>>
95%
57116
89%
**11
100%
Vihtavuori N135
<<locked>>
86%
57305
90%
**60
100%
Vihtavuori N150
<<locked>>
90%
57014
89%
**13
100%
Vihtavuori N160
<<locked>>
88%
57174
90%
**75
100%
Vihtavuori N165
<<locked>>
97%
49995
78%
**16
99%
Vihtavuori N550
<<locked>>
88%
57334
90%
**11
100%
Vihtavuori N555
<<locked>>
97%
57363
90%
**41
100%
Vihtavuori N560
<<locked>>
97%
53925
84%
**67
99%
Vihtavuori N565
<<locked>>
97%
45687
72%
**43
97%
[Vihtavuori N568]*
<<locked>>
97%
39726
62%
**74
94%
Winchester 6.5 StaBALL
<<locked>>
89%
57029
89%
**52
100%
Winchester 760
<<locked>>
85%
56826
89%
**25
100%
Winchester StaBALL HD
<<locked>>
97%
47079
74%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51750
81%
**77
100%
ADI AR 2209
<<locked>>
81%
36434
57%
**23
96%
[ADI AR 2213]*
<<locked>>
81%
32401
51%
**54
93%
[ADI AR 2217]*
<<locked>>
86%
28761
45%
**62
90%
[ADI AR 2225]*
<<locked>>
84%
23931
38%
**73
90%
Accurate 2700
<<locked>>
81%
49864
78%
**34
99%
Accurate 3100
<<locked>>
81%
32082
50%
**18
98%
Accurate 4350
<<locked>>
81%
43395
68%
**21
100%
[Accurate MAGPRO]*
<<locked>>
82%
31720
50%
**70
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52649
83%
**97
100%
Alliant Reloder-16
<<locked>>
81%
41800
66%
**28
100%
Alliant Reloder-17
<<locked>>
81%
47529
74%
**26
100%
Alliant Reloder-19
<<locked>>
81%
36332
57%
**16
96%
Alliant Reloder-22
<<locked>>
81%
31952
50%
**67
95%
Alliant Reloder-23
<<locked>>
81%
30763
48%
**41
100%
Alliant Reloder-25
<<locked>>
81%
27093
42%
**69
96%
Alliant Reloder-26
<<locked>>
81%
33098
52%
**56
99%
[Hodgdon H1000]*
<<locked>>
86%
28761
45%
**62
90%
Hodgdon H414
<<locked>>
81%
48965
77%
**26
100%
Hodgdon H4350
<<locked>>
81%
39943
63%
**33
98%
[Hodgdon H4831]*
<<locked>>
81%
30676
48%
**78
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
34040
53%
**54
93%
Hodgdon Hybrid 100V
<<locked>>
81%
39189
61%
**33
100%
Hodgdon LVR
<<locked>>
81%
45832
72%
**57
100%
[Hodgdon Retumbo]*
<<locked>>
84%
23931
38%
**73
90%
Hodgdon Superperformance
<<locked>>
81%
43859
69%
**83
99%
Hodgdon VARGET
<<locked>>
81%
51517
81%
**74
100%
IMR 4064
<<locked>>
81%
51053
80%
**57
100%
IMR 4166 Enduron
<<locked>>
81%
49734
78%
**41
100%
IMR 4350
<<locked>>
81%
42221
66%
**72
99%
IMR 4451 Enduron
<<locked>>
81%
48109
75%
**44
100%
IMR 4831
<<locked>>
81%
37420
59%
**10
100%
[IMR 4955 Enduron]*
<<locked>>
81%
34432
54%
**31
93%
[IMR 7828 SSC]*
<<locked>>
81%
32895
52%
**80
93%
[IMR 8133 Enduron]*
<<locked>>
93%
27659
43%
**01
90%
Lovex S065
<<locked>>
81%
45469
71%
**01
100%
Lovex S070
<<locked>>
81%
43714
68%
**95
99%
Lovex S071
<<locked>>
81%
27659
43%
**16
96%
Norma 204
<<locked>>
81%
41655
65%
**01
98%
[Norma 217]*
<<locked>>
88%
24120
38%
**16
90%
Norma MRP
<<locked>>
81%
33112
52%
**19
97%
Norma URP
<<locked>>
81%
42482
67%
**11
100%
Ramshot Hunter
<<locked>>
81%
41423
65%
**08
99%
[Ramshot Magnum]*
<<locked>>
81%
29312
46%
**08
94%
ReloadSwiss RS 50
<<locked>>
81%
53548
84%
**16
100%
ReloadSwiss RS 60
<<locked>>
81%
45948
72%
**20
100%
ReloadSwiss RS 62
<<locked>>
81%
42902
67%
**41
100%
ReloadSwiss RS 70
<<locked>>
81%
41423
65%
**54
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
25164
39%
**36
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
30661
48%
**87
90%
Rottweil R 903
<<locked>>
81%
50386
79%
**67
100%
Rottweil R 904
<<locked>>
81%
37652
59%
**00
95%
Rottweil R 905
<<locked>>
81%
35491
56%
**06
96%
Rottweil R 907
<<locked>>
81%
46804
73%
**28
99%
SNPE Vectan SP 11
<<locked>>
81%
51764
81%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51285
80%
**65
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44440
70%
**59
99%
Shooters World Long Rifle
<<locked>>
81%
45469
71%
**01
100%
Somchem S355
<<locked>>
81%
50372
79%
**60
100%
Somchem S361
<<locked>>
81%
38305
60%
**93
95%
Somchem S365
<<locked>>
81%
39363
62%
**78
100%
Somchem S385
<<locked>>
81%
36158
57%
**96
97%
Vihtavuori N135
<<locked>>
81%
49327
77%
**69
100%
Vihtavuori N150
<<locked>>
81%
43468
68%
**36
100%
Vihtavuori N160
<<locked>>
81%
46122
72%
**34
100%
Vihtavuori N165
<<locked>>
81%
30095
47%
**69
95%
Vihtavuori N550
<<locked>>
81%
46470
73%
**67
100%
Vihtavuori N555
<<locked>>
81%
34432
54%
**06
100%
[Vihtavuori N560]*
<<locked>>
81%
32140
50%
**80
92%
[Vihtavuori N565]*
<<locked>>
81%
27441
43%
**69
90%
[Vihtavuori N568]*
<<locked>>
90%
32111
50%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43033
67%
**78
100%
Winchester 760
<<locked>>
81%
48965
77%
**26
100%
Winchester StaBALL HD
<<locked>>
81%
25179
39%
**51
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.

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