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Load data for .338 Weatherby RPM + .338 | 300gr | Woodleigh RN SN

Recommended Powder(s): Hodgdon H414, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 70, Winchester 760

.338 Weatherby RPM + .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:
<<locked>>
Caliber:
.338 Weatherby RPM load data
Case Length (l3):
2.550" | 64.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
81.6 Grains of Water | 5.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B12106_C455
Last updated:
2026-01-31

Load data for 208 loads in caliber .338 Weatherby RPM with .338 | 300gr | Woodleigh RN SN bullet and 104 powders such as Hodgdon H414, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 70, Winchester 760. 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".

  • No data yet

  • 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 2206H
<<locked>>
84%
57740
89%
**83
100%
ADI AR 2208
<<locked>>
89%
58146
89%
**80
100%
ADI AR 2209
<<locked>>
97%
50850
78%
**83
98%
ADI AR 2213
<<locked>>
97%
45716
70%
**31
96%
[ADI AR 2225]*
<<locked>>
97%
29559
45%
**59
92%
Accurate 2700
<<locked>>
90%
58247
90%
**57
99%
Accurate 3100
<<locked>>
97%
43918
68%
**65
99%
Accurate 4064
<<locked>>
87%
57624
89%
**47
100%
Accurate 4350
<<locked>>
95%
57653
89%
**43
100%
[Accurate MAGPRO]*
<<locked>>
97%
42699
66%
**18
93%
Alliant Power Pro 2000-MR
<<locked>>
86%
58305
90%
**02
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
58334
90%
**90
100%
Alliant Reloder-15
<<locked>>
87%
57899
89%
**06
100%
Alliant Reloder-16
<<locked>>
97%
57972
89%
**79
100%
Alliant Reloder-17
<<locked>>
92%
58421
90%
**92
100%
Alliant Reloder-19
<<locked>>
97%
50038
77%
**74
98%
Alliant Reloder-22
<<locked>>
97%
44266
68%
**31
97%
Alliant Reloder-23
<<locked>>
97%
42134
65%
**98
100%
Alliant Reloder-25
<<locked>>
97%
36521
56%
**19
98%
Alliant Reloder-26
<<locked>>
97%
46862
72%
**36
100%
Baschieri & Pellagri 107
<<locked>>
84%
57696
89%
**03
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
46006
71%
**62
92%
Bofors RP15
<<locked>>
97%
40596
62%
**72
96%
Bofors RP3
<<locked>>
88%
57928
89%
**93
100%
[Bofors RP30]*
<<locked>>
97%
32779
50%
**51
92%
Bofors RP5
<<locked>>
97%
44266
68%
**31
97%
Bofors RP7
<<locked>>
93%
58189
90%
**93
100%
Hodgdon CFE223
<<locked>>
87%
58146
89%
**46
100%
Hodgdon H380
<<locked>>
88%
57667
89%
**03
100%
Hodgdon H414 👍
<<locked>>
91%
58276
90%
**69
100%
Hodgdon H4350
<<locked>>
97%
55869
86%
**90
99%
[Hodgdon H4831]*
<<locked>>
97%
42380
65%
**36
94%
Hodgdon H4831 SC
<<locked>>
97%
47935
74%
**21
96%
Hodgdon H4895
<<locked>>
84%
58363
90%
**87
100%
Hodgdon Hybrid 100V
<<locked>>
97%
53867
83%
**67
100%
Hodgdon LVR
<<locked>>
94%
58059
89%
**46
100%
[Hodgdon Retumbo]*
<<locked>>
97%
29559
45%
**59
92%
Hodgdon Superperformance 👍
<<locked>>
94%
57580
89%
**95
100%
Hodgdon VARGET
<<locked>>
90%
58436
90%
**83
100%
IMR 3031
<<locked>>
86%
57638
89%
**47
100%
IMR 4064
<<locked>>
90%
58407
90%
**74
100%
IMR 4166 Enduron
<<locked>>
90%
57885
89%
**70
100%
IMR 4350
<<locked>>
97%
58450
90%
**23
100%
IMR 4451 Enduron
<<locked>>
92%
58059
89%
**93
100%
IMR 4831
<<locked>>
97%
51198
79%
**54
100%
IMR 4895
<<locked>>
86%
58465
90%
**16
100%
IMR 4955 Enduron
<<locked>>
97%
47268
73%
**78
96%
IMR 7828 SSC
<<locked>>
97%
46137
71%
**54
96%
Lovex D073.6
<<locked>>
84%
58407
90%
**60
100%
Lovex S060
<<locked>>
85%
58392
90%
**38
100%
Lovex S062
<<locked>>
88%
58494
90%
**64
100%
Lovex S065
<<locked>>
94%
58204
90%
**93
100%
Lovex S070
<<locked>>
95%
57899
89%
**16
100%
Lovex S071
<<locked>>
97%
37115
57%
**57
98%
Norma 201
<<locked>>
85%
58334
90%
**54
100%
Norma 202
<<locked>>
84%
57580
89%
**34
100%
Norma 203B
<<locked>>
87%
58015
89%
**03
100%
Norma 204
<<locked>>
96%
58131
89%
**56
99%
Norma MRP
<<locked>>
97%
46543
72%
**00
99%
Norma URP
<<locked>>
96%
58233
90%
**52
100%
Ramshot Big Game
<<locked>>
87%
57986
89%
**20
100%
Ramshot Grand
<<locked>>
97%
49226
76%
**06
97%
Ramshot Hunter 👍
<<locked>>
97%
58204
90%
**75
100%
Ramshot Magnum
<<locked>>
97%
42105
65%
**88
97%
ReloadSwiss RS 50
<<locked>>
88%
58363
90%
**03
100%
ReloadSwiss RS 52
<<locked>>
84%
57479
88%
**43
100%
ReloadSwiss RS 60
<<locked>>
90%
58189
90%
**85
100%
ReloadSwiss RS 62
<<locked>>
95%
57493
88%
**65
100%
ReloadSwiss RS 70 👍
<<locked>>
96%
57928
89%
**18
100%
ReloadSwiss RS 76
<<locked>>
97%
35041
54%
**23
96%
Rottweil R 902
<<locked>>
86%
58044
89%
**44
100%
Rottweil R 903
<<locked>>
91%
58204
90%
**93
100%
Rottweil R 904
<<locked>>
97%
52910
81%
**60
98%
Rottweil R 905
<<locked>>
97%
49023
75%
**64
98%
Rottweil R 907
<<locked>>
93%
58189
90%
**93
100%
SNPE Vectan SP 11
<<locked>>
90%
58204
90%
**29
100%
SNPE Vectan SP 7
<<locked>>
83%
58247
90%
**83
100%
SNPE Vectan SP 9
<<locked>>
85%
58204
90%
**87
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
57537
89%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
57885
89%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
58262
90%
**60
100%
Shooters World Long Rifle
<<locked>>
94%
58204
90%
**93
100%
Shooters World Match Rifle
<<locked>>
84%
58407
90%
**60
100%
Shooters World Precision
<<locked>>
88%
58494
90%
**64
100%
Somchem S335
<<locked>>
84%
57972
89%
**78
100%
Somchem S341
<<locked>>
83%
58001
89%
**70
100%
Somchem S355
<<locked>>
90%
57870
89%
**83
100%
Somchem S361
<<locked>>
97%
53998
83%
**57
97%
Somchem S365
<<locked>>
97%
54273
84%
**20
100%
Somchem S385
<<locked>>
97%
50067
77%
**47
99%
Vihtavuori N133
<<locked>>
86%
57928
89%
**56
100%
Vihtavuori N135
<<locked>>
91%
57798
89%
**01
100%
Vihtavuori N140
<<locked>>
87%
58436
90%
**21
100%
Vihtavuori N150
<<locked>>
96%
58349
90%
**54
100%
Vihtavuori N160
<<locked>>
93%
57798
89%
**10
100%
Vihtavuori N165
<<locked>>
97%
41408
64%
**19
97%
Vihtavuori N540
<<locked>>
86%
57798
89%
**47
100%
Vihtavuori N550
<<locked>>
93%
58392
90%
**52
100%
Vihtavuori N555
<<locked>>
97%
46644
72%
**51
100%
Vihtavuori N560
<<locked>>
97%
44643
69%
**51
95%
[Vihtavuori N565]*
<<locked>>
97%
36622
56%
**16
93%
Winchester 6.5 StaBALL
<<locked>>
95%
58001
89%
**97
100%
Winchester 760 👍
<<locked>>
91%
58276
90%
**69
100%
Winchester StaBALL HD
<<locked>>
97%
34751
53%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
53403
82%
**31
100%
ADI AR 2208
<<locked>>
81%
45208
70%
**16
100%
[ADI AR 2209]*
<<locked>>
81%
30995
48%
**32
92%
[ADI AR 2213]*
<<locked>>
86%
32271
50%
**72
90%
[ADI AR 2225]*
<<locked>>
94%
26948
41%
**90
90%
Accurate 2700
<<locked>>
81%
43540
67%
**67
98%
[Accurate 3100]*
<<locked>>
81%
26208
40%
**34
94%
Accurate 4064
<<locked>>
81%
47587
73%
**36
100%
Accurate 4350
<<locked>>
81%
35969
55%
**41
99%
[Accurate MAGPRO]*
<<locked>>
91%
35969
55%
**93
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
49472
76%
**93
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
45252
70%
**33
100%
Alliant Reloder-15
<<locked>>
81%
48747
75%
**92
100%
Alliant Reloder-16
<<locked>>
81%
35259
54%
**44
99%
Alliant Reloder-17
<<locked>>
81%
39523
61%
**42
100%
[Alliant Reloder-19]*
<<locked>>
81%
30864
47%
**36
92%
[Alliant Reloder-22]*
<<locked>>
82%
27630
43%
**96
90%
Alliant Reloder-23
<<locked>>
81%
25817
40%
**64
97%
[Alliant Reloder-25]*
<<locked>>
81%
22858
35%
**72
90%
Alliant Reloder-26
<<locked>>
81%
27122
42%
**42
95%
Baschieri & Pellagri 107
<<locked>>
81%
52591
81%
**47
100%
[Baschieri & Pellagri 109]*
<<locked>>
93%
41626
64%
**87
90%
[Bofors RP15]*
<<locked>>
85%
27949
43%
**00
90%
Bofors RP3
<<locked>>
81%
45513
70%
**46
100%
[Bofors RP30]*
<<locked>>
93%
29515
45%
**72
90%
[Bofors RP5]*
<<locked>>
82%
27630
43%
**96
90%
Bofors RP7
<<locked>>
81%
40524
62%
**51
97%
Hodgdon CFE223
<<locked>>
81%
47384
73%
**15
100%
Hodgdon H380
<<locked>>
81%
46325
71%
**59
100%
Hodgdon H414
<<locked>>
81%
41089
63%
**29
98%
Hodgdon H4350
<<locked>>
81%
34476
53%
**62
95%
[Hodgdon H4831]*
<<locked>>
89%
32953
51%
**59
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
32634
50%
**52
90%
Hodgdon H4895
<<locked>>
81%
53969
83%
**41
100%
Hodgdon Hybrid 100V
<<locked>>
81%
32764
50%
**62
99%
Hodgdon LVR
<<locked>>
81%
38754
60%
**77
99%
[Hodgdon Retumbo]*
<<locked>>
94%
26948
41%
**90
90%
Hodgdon Superperformance
<<locked>>
81%
36796
57%
**87
96%
Hodgdon VARGET
<<locked>>
81%
44947
69%
**13
100%
IMR 3031
<<locked>>
81%
49792
77%
**59
100%
IMR 4064
<<locked>>
81%
44556
69%
**00
100%
IMR 4166 Enduron
<<locked>>
81%
43903
68%
**77
98%
IMR 4350
<<locked>>
81%
36056
55%
**95
96%
IMR 4451 Enduron
<<locked>>
81%
41945
65%
**77
98%
IMR 4831
<<locked>>
81%
31473
48%
**39
98%
IMR 4895
<<locked>>
81%
50067
77%
**11
100%
[IMR 4955 Enduron]*
<<locked>>
83%
31604
49%
**00
90%
[IMR 7828 SSC]*
<<locked>>
85%
32111
49%
**82
90%
Lovex D073.6
<<locked>>
81%
52939
81%
**05
100%
Lovex S060
<<locked>>
81%
52475
81%
**69
100%
Lovex S062
<<locked>>
81%
47805
74%
**39
100%
Lovex S065
<<locked>>
81%
39450
61%
**37
99%
Lovex S070
<<locked>>
81%
37333
57%
**18
97%
[Lovex S071]*
<<locked>>
81%
22481
35%
**36
91%
Norma 201
<<locked>>
81%
52301
80%
**85
100%
Norma 202
<<locked>>
81%
52634
81%
**78
100%
Norma 203B
<<locked>>
81%
48109
74%
**78
100%
[Norma 204]*
<<locked>>
81%
35215
54%
**11
94%
[Norma MRP]*
<<locked>>
81%
27673
43%
**23
92%
Norma URP
<<locked>>
81%
35810
55%
**34
99%
Ramshot Big Game
<<locked>>
81%
48008
74%
**01
100%
[Ramshot Grand]*
<<locked>>
84%
31560
49%
**82
90%
Ramshot Hunter
<<locked>>
81%
34722
53%
**24
97%
[Ramshot Magnum]*
<<locked>>
84%
27093
42%
**77
90%
ReloadSwiss RS 50
<<locked>>
81%
46238
71%
**46
99%
ReloadSwiss RS 52
<<locked>>
81%
52156
80%
**80
100%
ReloadSwiss RS 60
<<locked>>
81%
42163
65%
**82
100%
ReloadSwiss RS 62
<<locked>>
81%
35273
54%
**51
99%
ReloadSwiss RS 70
<<locked>>
81%
34809
54%
**64
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
27630
43%
**32
90%
Rottweil R 902
<<locked>>
81%
49632
76%
**46
100%
Rottweil R 903
<<locked>>
81%
42902
66%
**03
100%
[Rottweil R 904]*
<<locked>>
81%
32140
49%
**23
91%
[Rottweil R 905]*
<<locked>>
81%
29573
45%
**13
92%
Rottweil R 907
<<locked>>
81%
40524
62%
**51
97%
SNPE Vectan SP 11
<<locked>>
81%
43888
68%
**49
100%
SNPE Vectan SP 7
<<locked>>
81%
54041
83%
**38
100%
SNPE Vectan SP 9
<<locked>>
81%
51430
79%
**08
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
53200
82%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44686
69%
**24
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38450
59%
**88
97%
Shooters World Long Rifle
<<locked>>
81%
39450
61%
**37
99%
Shooters World Match Rifle
<<locked>>
81%
52939
81%
**05
100%
Shooters World Precision
<<locked>>
81%
47805
74%
**39
100%
Somchem S335
<<locked>>
81%
52982
82%
**26
100%
Somchem S341
<<locked>>
81%
53635
83%
**21
100%
Somchem S355
<<locked>>
81%
43555
67%
**03
100%
[Somchem S361]*
<<locked>>
81%
32532
50%
**13
90%
Somchem S365
<<locked>>
81%
32184
50%
**01
100%
[Somchem S385]*
<<locked>>
81%
30023
46%
**09
93%
Vihtavuori N133
<<locked>>
81%
50111
77%
**73
100%
Vihtavuori N135
<<locked>>
81%
42308
65%
**21
100%
Vihtavuori N140
<<locked>>
81%
49124
76%
**19
100%
Vihtavuori N150
<<locked>>
81%
37072
57%
**82
100%
Vihtavuori N160
<<locked>>
81%
38609
59%
**54
99%
[Vihtavuori N165]*
<<locked>>
82%
26223
40%
**08
90%
Vihtavuori N540
<<locked>>
81%
48834
75%
**42
100%
Vihtavuori N550
<<locked>>
81%
39320
60%
**93
99%
Vihtavuori N555
<<locked>>
81%
27891
43%
**16
97%
[Vihtavuori N560]*
<<locked>>
86%
32068
49%
**05
90%
[Vihtavuori N565]*
<<locked>>
91%
30777
47%
**91
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36332
56%
**11
100%
Winchester 760
<<locked>>
81%
41089
63%
**29
98%
Winchester StaBALL HD
<<locked>>
81%
22611
35%
**34
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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