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Load data for .340 Weath. Mag. + .338 | 300gr | Woodleigh RN SN

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Ramshot Grand

.340 Weath. Mag. + .338 | 300gr | Woodleigh RN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 300gr | Woodleigh RN SN
Manufacturer SKU:
58
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.430" | 36.3mm
Caliber:
.340 Weath. Mag. load data
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
3.620" | 91.9mm
Seated Depth:
0.635" | 16.1mm
Shank Seated Depth:
0.635" | 16.1mm
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_B12106_C476
Last updated:
2026-01-15

Load data for 144 loads in caliber .340 Weath. Mag. with .338 | 300gr | Woodleigh RN SN bullet and 72 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Ramshot Grand. 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 2209
<<locked>>
92%
56855
89%
**74
100%
ADI AR 2213 👍
<<locked>>
96%
57058
89%
**10
100%
ADI AR 2217
<<locked>>
97%
43221
68%
**06
98%
ADI AR 2225
<<locked>>
97%
38261
60%
**70
99%
Accurate 2700
<<locked>>
83%
57261
90%
**62
100%
Accurate 3100
<<locked>>
96%
57246
90%
**25
100%
Accurate 4350
<<locked>>
87%
57072
89%
**25
100%
Accurate MAGPRO
<<locked>>
96%
56594
89%
**30
98%
Alliant Reloder-16
<<locked>>
89%
57319
90%
**64
100%
Alliant Reloder-17
<<locked>>
84%
56971
89%
**57
100%
Alliant Reloder-19
<<locked>>
93%
56855
89%
**70
100%
Alliant Reloder-22 👍
<<locked>>
96%
56666
89%
**07
100%
Alliant Reloder-23
<<locked>>
97%
56536
89%
**57
100%
Alliant Reloder-25
<<locked>>
97%
48356
76%
**15
100%
Alliant Reloder-26
<<locked>>
93%
56666
89%
**43
100%
[Alliant Reloder-33]*
<<locked>>
97%
38928
61%
**93
92%
Bofors RP15
<<locked>>
97%
54143
85%
**74
100%
Bofors RP30
<<locked>>
97%
44933
70%
**69
98%
Bofors RP5
<<locked>>
96%
56666
89%
**07
100%
Bofors RP7
<<locked>>
85%
57130
90%
**98
100%
Hodgdon H1000
<<locked>>
97%
43221
68%
**06
98%
Hodgdon H414
<<locked>>
83%
56797
89%
**51
100%
Hodgdon H4350
<<locked>>
91%
57421
90%
**15
100%
Hodgdon H4831
<<locked>>
97%
54694
86%
**28
99%
Hodgdon H4831 SC
<<locked>>
95%
57421
90%
**67
99%
Hodgdon Hybrid 100V
<<locked>>
90%
57319
90%
**95
100%
Hodgdon LVR
<<locked>>
86%
57203
90%
**28
100%
Hodgdon Retumbo
<<locked>>
97%
38261
60%
**70
99%
Hodgdon Superperformance
<<locked>>
86%
57188
90%
**90
100%
IMR 4166 Enduron
<<locked>>
84%
57014
89%
**69
100%
IMR 4350
<<locked>>
89%
57421
90%
**15
100%
IMR 4451 Enduron
<<locked>>
84%
56884
89%
**88
100%
IMR 4831
<<locked>>
92%
57290
90%
**18
100%
IMR 4955 Enduron
<<locked>>
95%
56811
89%
**21
99%
IMR 7828 SSC 👍
<<locked>>
95%
56971
89%
**20
100%
[IMR 7977 Enduron]*
<<locked>>
97%
51430
81%
**10
92%
IMR 8133 Enduron
<<locked>>
97%
34679
54%
**01
95%
Lovex S065
<<locked>>
86%
56840
89%
**82
100%
Lovex S070
<<locked>>
87%
57000
89%
**05
100%
Lovex S071
<<locked>>
97%
49545
78%
**29
100%
Norma 204
<<locked>>
88%
57348
90%
**54
100%
Norma 217
<<locked>>
97%
34461
54%
**15
98%
Norma MRP 👍
<<locked>>
94%
57305
90%
**36
100%
Norma URP
<<locked>>
88%
57174
90%
**31
100%
Ramshot Grand 👍
<<locked>>
93%
56478
89%
**30
100%
Ramshot Hunter
<<locked>>
89%
57406
90%
**64
100%
Ramshot Magnum
<<locked>>
96%
56753
89%
**93
100%
ReloadSwiss RS 62
<<locked>>
87%
57246
90%
**54
100%
ReloadSwiss RS 70
<<locked>>
88%
57145
90%
**03
100%
ReloadSwiss RS 76
<<locked>>
97%
47094
74%
**61
100%
ReloadSwiss RS 80
<<locked>>
97%
42453
67%
**65
96%
Rottweil R 904
<<locked>>
92%
56884
89%
**28
99%
Rottweil R 905
<<locked>>
93%
57232
90%
**74
100%
Rottweil R 907
<<locked>>
85%
57130
90%
**98
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
56724
89%
**52
100%
Shooters World Long Rifle
<<locked>>
86%
56840
89%
**82
100%
Somchem S361
<<locked>>
91%
56811
89%
**08
99%
Somchem S365
<<locked>>
90%
57159
90%
**28
100%
Somchem S385
<<locked>>
93%
56681
89%
**31
100%
Vihtavuori N135
<<locked>>
84%
56855
89%
**77
100%
Vihtavuori N150
<<locked>>
88%
56840
89%
**29
100%
Vihtavuori N160
<<locked>>
85%
56913
89%
**95
100%
Vihtavuori N165
<<locked>>
97%
54737
86%
**98
100%
Vihtavuori N550
<<locked>>
85%
57101
89%
**34
100%
Vihtavuori N555
<<locked>>
94%
57334
90%
**64
100%
Vihtavuori N560
<<locked>>
96%
57305
90%
**36
99%
Vihtavuori N565
<<locked>>
97%
50575
79%
**31
99%
Vihtavuori N568
<<locked>>
97%
44063
69%
**79
96%
[Vihtavuori N570]*
<<locked>>
97%
42424
66%
**72
93%
Winchester 6.5 StaBALL
<<locked>>
87%
57363
90%
**79
100%
Winchester 760
<<locked>>
83%
56797
89%
**51
100%
Winchester StaBALL HD
<<locked>>
97%
53461
84%
**36
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39189
61%
**98
98%
ADI AR 2213
<<locked>>
81%
34954
55%
**39
95%
[ADI AR 2217]*
<<locked>>
83%
27456
43%
**52
90%
[ADI AR 2225]*
<<locked>>
81%
23627
37%
**86
91%
Accurate 2700
<<locked>>
81%
53142
83%
**06
100%
Accurate 3100
<<locked>>
81%
34911
55%
**90
99%
Accurate 4350
<<locked>>
81%
46905
73%
**93
100%
[Accurate MAGPRO]*
<<locked>>
81%
33591
53%
**29
92%
Alliant Reloder-16
<<locked>>
81%
44904
70%
**93
100%
Alliant Reloder-17
<<locked>>
81%
52040
82%
**02
100%
Alliant Reloder-19
<<locked>>
81%
39117
61%
**95
98%
Alliant Reloder-22
<<locked>>
81%
34809
55%
**52
96%
Alliant Reloder-23
<<locked>>
81%
33562
53%
**16
100%
Alliant Reloder-25
<<locked>>
81%
29196
46%
**47
98%
Alliant Reloder-26
<<locked>>
81%
36434
57%
**38
100%
[Alliant Reloder-33]*
<<locked>>
94%
35201
55%
**11
90%
Bofors RP15
<<locked>>
81%
32561
51%
**96
95%
[Bofors RP30]*
<<locked>>
81%
26614
42%
**75
91%
Bofors RP5
<<locked>>
81%
34809
55%
**52
96%
Bofors RP7
<<locked>>
81%
49864
78%
**93
100%
[Hodgdon H1000]*
<<locked>>
83%
27456
43%
**52
90%
Hodgdon H414
<<locked>>
81%
52750
83%
**95
100%
Hodgdon H4350
<<locked>>
81%
42815
67%
**08
99%
[Hodgdon H4831]*
<<locked>>
81%
33040
52%
**57
93%
Hodgdon H4831 SC
<<locked>>
81%
36738
58%
**36
95%
Hodgdon Hybrid 100V
<<locked>>
81%
42612
67%
**01
100%
Hodgdon LVR
<<locked>>
81%
49269
77%
**26
100%
[Hodgdon Retumbo]*
<<locked>>
81%
23627
37%
**86
91%
Hodgdon Superperformance
<<locked>>
81%
47848
75%
**62
100%
IMR 4166 Enduron
<<locked>>
81%
52982
83%
**16
100%
IMR 4350
<<locked>>
81%
45034
71%
**44
99%
IMR 4451 Enduron
<<locked>>
81%
51068
80%
**13
100%
IMR 4831
<<locked>>
81%
40756
64%
**88
100%
IMR 4955 Enduron
<<locked>>
81%
36985
58%
**06
95%
IMR 7828 SSC
<<locked>>
81%
35810
56%
**72
95%
[IMR 7977 Enduron]*
<<locked>>
93%
44933
70%
**08
90%
[IMR 8133 Enduron]*
<<locked>>
89%
26672
42%
**91
90%
Lovex S065
<<locked>>
81%
48573
76%
**74
100%
Lovex S070
<<locked>>
81%
46920
74%
**70
100%
Lovex S071
<<locked>>
81%
30255
47%
**95
97%
Norma 204
<<locked>>
81%
45107
71%
**80
99%
[Norma 217]*
<<locked>>
84%
23250
36%
**09
90%
Norma MRP
<<locked>>
81%
36230
57%
**05
98%
Norma URP
<<locked>>
81%
46079
72%
**87
100%
Ramshot Grand
<<locked>>
81%
36883
58%
**11
96%
Ramshot Hunter
<<locked>>
81%
44860
70%
**83
100%
Ramshot Magnum
<<locked>>
81%
31966
50%
**90
96%
ReloadSwiss RS 62
<<locked>>
81%
46630
73%
**13
100%
ReloadSwiss RS 70
<<locked>>
81%
44831
70%
**29
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27398
43%
**34
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
29443
46%
**77
90%
Rottweil R 904
<<locked>>
81%
40611
64%
**82
97%
Rottweil R 905
<<locked>>
81%
38493
60%
**82
98%
Rottweil R 907
<<locked>>
81%
49864
78%
**93
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
47485
74%
**31
100%
Shooters World Long Rifle
<<locked>>
81%
48573
76%
**74
100%
Somchem S361
<<locked>>
81%
41075
64%
**72
96%
Somchem S365
<<locked>>
81%
42931
67%
**44
100%
Somchem S385
<<locked>>
81%
39175
61%
**69
98%
Vihtavuori N135
<<locked>>
81%
52692
83%
**31
100%
Vihtavuori N150
<<locked>>
81%
46543
73%
**01
100%
Vihtavuori N160
<<locked>>
81%
49545
78%
**00
100%
Vihtavuori N165
<<locked>>
81%
32938
52%
**44
96%
Vihtavuori N550
<<locked>>
81%
49879
78%
**39
100%
Vihtavuori N555
<<locked>>
81%
37681
59%
**75
100%
[Vihtavuori N560]*
<<locked>>
81%
34896
55%
**59
94%
[Vihtavuori N565]*
<<locked>>
81%
29907
47%
**44
92%
[Vihtavuori N568]*
<<locked>>
86%
30647
48%
**87
90%
[Vihtavuori N570]*
<<locked>>
92%
35998
56%
**34
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46514
73%
**47
100%
Winchester 760
<<locked>>
81%
52750
83%
**95
100%
Winchester StaBALL HD
<<locked>>
81%
28964
45%
**42
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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