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

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

.338 Win 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:
.338 Win Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.640" | 16.3mm
Shank Seated Depth:
0.640" | 16.3mm
Case Capacity:
86.0 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B12106_C465
Last updated:
2026-01-15

Load data for 172 loads in caliber .338 Win Mag. with .338 | 300gr | Woodleigh RN SN bullet and 86 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".

  • 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 2208
<<locked>>
86%
55622
89%
**77
100%
ADI AR 2209
<<locked>>
97%
55448
89%
**75
99%
ADI AR 2213
<<locked>>
97%
49240
79%
**26
98%
[ADI AR 2217]*
<<locked>>
97%
35737
57%
**77
93%
ADI AR 2225
<<locked>>
97%
31966
51%
**51
95%
Accurate 2700
<<locked>>
87%
55883
90%
**64
100%
Accurate 3100
<<locked>>
97%
48530
78%
**54
100%
Accurate 4064
<<locked>>
84%
55579
89%
**47
100%
Accurate 4350
<<locked>>
92%
56072
90%
**49
100%
Accurate MAGPRO
<<locked>>
97%
47369
76%
**26
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
55390
89%
**83
100%
Alliant Reloder-15
<<locked>>
83%
55811
89%
**06
100%
Alliant Reloder-16
<<locked>>
93%
55303
89%
**75
100%
Alliant Reloder-17
<<locked>>
89%
55825
90%
**85
100%
Alliant Reloder-19
<<locked>>
97%
54592
88%
**65
99%
Alliant Reloder-22
<<locked>>
97%
48283
77%
**26
99%
Alliant Reloder-23
<<locked>>
97%
45556
73%
**67
100%
Alliant Reloder-25
<<locked>>
97%
39958
64%
**15
100%
Alliant Reloder-26 👍
<<locked>>
97%
51358
82%
**21
100%
Bofors RP15
<<locked>>
97%
44019
71%
**57
98%
Bofors RP3
<<locked>>
85%
56101
90%
**00
100%
Bofors RP30
<<locked>>
97%
36056
58%
**46
95%
Bofors RP5
<<locked>>
97%
48283
77%
**26
99%
Bofors RP7
<<locked>>
89%
55419
89%
**93
100%
Hodgdon CFE223
<<locked>>
84%
55550
89%
**43
100%
[Hodgdon H1000]*
<<locked>>
97%
35737
57%
**77
93%
Hodgdon H380
<<locked>>
85%
55883
90%
**10
100%
Hodgdon H414
<<locked>>
88%
55550
89%
**62
100%
Hodgdon H4350
<<locked>>
95%
55912
90%
**23
100%
Hodgdon H4831
<<locked>>
97%
45643
73%
**24
96%
Hodgdon H4831 SC
<<locked>>
97%
51663
83%
**10
97%
Hodgdon Hybrid 100V
<<locked>>
95%
55825
90%
**13
100%
Hodgdon LVR
<<locked>>
90%
55622
89%
**39
100%
Hodgdon Retumbo
<<locked>>
97%
31966
51%
**51
95%
Hodgdon Superperformance 👍
<<locked>>
90%
55477
89%
**02
100%
Hodgdon VARGET
<<locked>>
86%
55347
89%
**74
100%
IMR 4064
<<locked>>
87%
55796
89%
**70
100%
IMR 4166 Enduron
<<locked>>
87%
55912
90%
**74
100%
IMR 4350
<<locked>>
93%
55419
89%
**16
100%
IMR 4451 Enduron
<<locked>>
89%
56072
90%
**06
100%
IMR 4831
<<locked>>
97%
55143
88%
**29
100%
IMR 4955 Enduron
<<locked>>
97%
51430
82%
**67
97%
IMR 7828 SSC
<<locked>>
97%
50647
81%
**56
98%
Lovex S062
<<locked>>
84%
55709
89%
**60
100%
Lovex S065
<<locked>>
90%
55869
90%
**97
100%
Lovex S070
<<locked>>
92%
55956
90%
**23
100%
Lovex S071
<<locked>>
97%
40451
65%
**39
99%
Norma 203B
<<locked>>
84%
56014
90%
**03
100%
Norma 204 👍
<<locked>>
92%
55347
89%
**52
99%
[Norma 217]*
<<locked>>
97%
27789
45%
**85
92%
Norma MRP
<<locked>>
97%
50647
81%
**85
100%
Norma URP
<<locked>>
92%
55564
89%
**46
100%
Ramshot Big Game
<<locked>>
83%
55651
89%
**20
100%
Ramshot Grand
<<locked>>
97%
53272
85%
**02
99%
Ramshot Hunter 👍
<<locked>>
93%
55782
89%
**72
100%
Ramshot Magnum
<<locked>>
97%
46586
75%
**90
99%
ReloadSwiss RS 50
<<locked>>
85%
56043
90%
**06
100%
ReloadSwiss RS 60
<<locked>>
87%
55840
90%
**82
100%
ReloadSwiss RS 62
<<locked>>
92%
55782
89%
**72
100%
ReloadSwiss RS 70
<<locked>>
93%
55680
89%
**15
100%
ReloadSwiss RS 76
<<locked>>
97%
38029
61%
**24
98%
Rottweil R 903
<<locked>>
87%
56043
90%
**93
100%
Rottweil R 904
<<locked>>
96%
55883
90%
**33
99%
Rottweil R 905
<<locked>>
97%
53969
87%
**56
99%
Rottweil R 907
<<locked>>
89%
55419
89%
**93
100%
SNPE Vectan SP 11
<<locked>>
86%
55405
89%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
55825
90%
**75
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55463
89%
**60
100%
Shooters World Long Rifle
<<locked>>
90%
55869
90%
**97
100%
Shooters World Precision
<<locked>>
84%
55709
89%
**60
100%
Somchem S355
<<locked>>
87%
56014
90%
**90
100%
Somchem S361
<<locked>>
95%
55448
89%
**06
98%
Somchem S365
<<locked>>
95%
55448
89%
**56
100%
Somchem S385 👍
<<locked>>
97%
54201
87%
**33
100%
Vihtavuori N135
<<locked>>
88%
55608
89%
**98
100%
Vihtavuori N150
<<locked>>
92%
55274
89%
**51
100%
Vihtavuori N160
<<locked>>
90%
55550
89%
**10
100%
Vihtavuori N165
<<locked>>
97%
45020
72%
**98
98%
Vihtavuori N540
<<locked>>
83%
55999
90%
**47
100%
Vihtavuori N550
<<locked>>
89%
55274
89%
**46
100%
Vihtavuori N555
<<locked>>
97%
50923
82%
**26
100%
Vihtavuori N560
<<locked>>
97%
48283
77%
**36
97%
Vihtavuori N565
<<locked>>
97%
40654
65%
**18
95%
Winchester 6.5 StaBALL
<<locked>>
91%
55448
89%
**93
100%
Winchester 760
<<locked>>
88%
55550
89%
**62
100%
Winchester StaBALL HD
<<locked>>
97%
39798
64%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48182
77%
**85
100%
[ADI AR 2209]*
<<locked>>
81%
33286
53%
**11
94%
[ADI AR 2213]*
<<locked>>
82%
30545
49%
**62
90%
[ADI AR 2217]*
<<locked>>
92%
30835
49%
**65
90%
[ADI AR 2225]*
<<locked>>
89%
25440
41%
**73
90%
Accurate 2700
<<locked>>
81%
46166
74%
**33
99%
Accurate 3100
<<locked>>
81%
28500
46%
**06
95%
Accurate 4064
<<locked>>
81%
50749
81%
**95
100%
Accurate 4350
<<locked>>
81%
38899
62%
**13
100%
[Accurate MAGPRO]*
<<locked>>
87%
33649
54%
**70
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48428
78%
**98
100%
Alliant Reloder-15
<<locked>>
81%
51822
83%
**57
100%
Alliant Reloder-16
<<locked>>
81%
37942
61%
**23
100%
Alliant Reloder-17
<<locked>>
81%
42917
69%
**18
100%
[Alliant Reloder-19]*
<<locked>>
81%
32953
53%
**05
94%
[Alliant Reloder-22]*
<<locked>>
81%
28906
46%
**52
92%
Alliant Reloder-23
<<locked>>
81%
27702
44%
**32
99%
[Alliant Reloder-25]*
<<locked>>
81%
24453
39%
**50
93%
Alliant Reloder-26
<<locked>>
81%
29486
47%
**31
97%
[Bofors RP15]*
<<locked>>
81%
26977
43%
**03
91%
Bofors RP3
<<locked>>
81%
49124
79%
**18
100%
[Bofors RP30]*
<<locked>>
89%
28210
45%
**65
90%
[Bofors RP5]*
<<locked>>
81%
28906
46%
**52
92%
Bofors RP7
<<locked>>
81%
43178
69%
**23
98%
Hodgdon CFE223
<<locked>>
81%
50778
81%
**83
100%
[Hodgdon H1000]*
<<locked>>
92%
30835
49%
**65
90%
Hodgdon H380
<<locked>>
81%
49617
80%
**31
100%
Hodgdon H414
<<locked>>
81%
44382
71%
**11
99%
Hodgdon H4350
<<locked>>
81%
36738
59%
**34
97%
[Hodgdon H4831]*
<<locked>>
84%
31082
50%
**46
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
31082
50%
**46
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35592
57%
**34
100%
Hodgdon LVR
<<locked>>
81%
41800
67%
**52
100%
[Hodgdon Retumbo]*
<<locked>>
89%
25440
41%
**73
90%
Hodgdon Superperformance
<<locked>>
81%
39798
64%
**72
98%
Hodgdon VARGET
<<locked>>
81%
47805
77%
**78
100%
IMR 4064
<<locked>>
81%
47282
76%
**62
100%
IMR 4166 Enduron
<<locked>>
81%
46253
74%
**42
99%
IMR 4350
<<locked>>
81%
38493
62%
**67
97%
IMR 4451 Enduron
<<locked>>
81%
44628
72%
**46
99%
IMR 4831
<<locked>>
81%
33881
54%
**11
99%
[IMR 4955 Enduron]*
<<locked>>
81%
31807
51%
**32
91%
[IMR 7828 SSC]*
<<locked>>
81%
29994
48%
**62
90%
Lovex S062
<<locked>>
81%
51024
82%
**05
100%
Lovex S065
<<locked>>
81%
41771
67%
**00
99%
Lovex S070
<<locked>>
81%
40176
64%
**93
98%
[Lovex S071]*
<<locked>>
81%
24540
39%
**11
93%
Norma 203B
<<locked>>
81%
51300
82%
**47
100%
Norma 204
<<locked>>
81%
37811
61%
**87
96%
[Norma 217]*
<<locked>>
94%
25527
41%
**19
90%
[Norma MRP]*
<<locked>>
81%
29892
48%
**05
94%
Norma URP
<<locked>>
81%
38638
62%
**06
100%
Ramshot Big Game
<<locked>>
81%
51663
83%
**74
100%
[Ramshot Grand]*
<<locked>>
81%
30472
49%
**91
91%
Ramshot Hunter
<<locked>>
81%
37434
60%
**03
98%
[Ramshot Magnum]*
<<locked>>
81%
26426
42%
**86
91%
ReloadSwiss RS 50
<<locked>>
81%
49443
79%
**18
100%
ReloadSwiss RS 60
<<locked>>
81%
45585
73%
**54
100%
ReloadSwiss RS 62
<<locked>>
81%
38725
62%
**36
100%
ReloadSwiss RS 70
<<locked>>
81%
37565
60%
**46
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
25744
41%
**06
90%
Rottweil R 903
<<locked>>
81%
46166
74%
**72
100%
[Rottweil R 904]*
<<locked>>
81%
34447
55%
**95
93%
[Rottweil R 905]*
<<locked>>
81%
31865
51%
**88
94%
Rottweil R 907
<<locked>>
81%
43178
69%
**23
98%
SNPE Vectan SP 11
<<locked>>
81%
47239
76%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47384
76%
**80
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41249
66%
**60
98%
Shooters World Long Rifle
<<locked>>
81%
41771
67%
**00
99%
Shooters World Precision
<<locked>>
81%
51024
82%
**05
100%
Somchem S355
<<locked>>
81%
46209
74%
**65
100%
[Somchem S361]*
<<locked>>
81%
35012
56%
**91
92%
Somchem S365
<<locked>>
81%
35027
56%
**73
100%
Somchem S385
<<locked>>
81%
32590
52%
**88
95%
Vihtavuori N135
<<locked>>
81%
45498
73%
**83
100%
Vihtavuori N150
<<locked>>
81%
39668
64%
**44
100%
Vihtavuori N160
<<locked>>
81%
41727
67%
**26
100%
[Vihtavuori N165]*
<<locked>>
81%
27340
44%
**64
92%
Vihtavuori N540
<<locked>>
81%
52083
84%
**05
100%
Vihtavuori N550
<<locked>>
81%
42424
68%
**69
100%
Vihtavuori N555
<<locked>>
81%
30618
49%
**95
99%
[Vihtavuori N560]*
<<locked>>
82%
30487
49%
**95
90%
[Vihtavuori N565]*
<<locked>>
87%
29269
47%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39088
63%
**80
100%
Winchester 760
<<locked>>
81%
44382
71%
**11
99%
Winchester StaBALL HD
<<locked>>
81%
24395
39%
**26
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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