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

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Hodgdon H380, Hodgdon LVR, Vihtavuori N550

.338 RCM + .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 RCM load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
2.689" | 68.3mm
Seated Depth:
0.741" | 18.8mm
Shank Seated Depth:
0.741" | 18.8mm
Case Capacity:
71.0 Grains of Water | 4.61 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B12106_C458
Last updated:
2026-01-15

Load data for 210 loads in caliber .338 RCM with .338 | 300gr | Woodleigh RN SN bullet and 105 powders such as Alliant Reloder-17, Hodgdon CFE223, Hodgdon H380, Hodgdon LVR, Vihtavuori N550. 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>>
88%
55970
90%
**75
100%
ADI AR 2208
<<locked>>
94%
56101
90%
**65
100%
[ADI AR 2209]*
<<locked>>
97%
41394
66%
**41
94%
Accurate 2015
<<locked>>
84%
55738
89%
**67
100%
Accurate 2200
<<locked>>
86%
55666
89%
**46
100%
Accurate 2495
<<locked>>
87%
55143
88%
**23
100%
Accurate 2520
<<locked>>
86%
55579
89%
**56
100%
Accurate 2700
<<locked>>
94%
55230
89%
**23
98%
Accurate 3100
<<locked>>
97%
34055
55%
**36
95%
Accurate 4064
<<locked>>
92%
55216
89%
**52
100%
Accurate 4350
<<locked>>
97%
48066
77%
**49
100%
Alliant AR-Comp
<<locked>>
86%
55376
89%
**03
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
55521
89%
**77
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
55071
88%
**78
100%
Alliant Reloder-15
<<locked>>
91%
55680
89%
**95
100%
Alliant Reloder-16
<<locked>>
97%
47384
76%
**59
100%
Alliant Reloder-17 👍
<<locked>>
97%
54346
87%
**64
100%
[Alliant Reloder-19]*
<<locked>>
97%
41133
66%
**47
94%
[Alliant Reloder-22]*
<<locked>>
97%
35534
57%
**88
92%
Alliant Reloder-23
<<locked>>
97%
33591
54%
**69
99%
[Alliant Reloder-25]*
<<locked>>
97%
29486
47%
**70
93%
Alliant Reloder-26
<<locked>>
96%
35969
58%
**64
97%
Baschieri & Pellagri 107
<<locked>>
88%
55564
89%
**95
100%
Bofors RP3
<<locked>>
94%
55941
90%
**92
100%
[Bofors RP5]*
<<locked>>
97%
35534
57%
**88
92%
Bofors RP7
<<locked>>
97%
55042
88%
**59
98%
Hodgdon BL-C2
<<locked>>
87%
55434
89%
**92
100%
Hodgdon Benchmark
<<locked>>
85%
55376
89%
**00
100%
Hodgdon CFE223 👍
<<locked>>
92%
55288
89%
**28
100%
Hodgdon H322
<<locked>>
84%
55230
89%
**16
100%
Hodgdon H380 👍
<<locked>>
93%
56057
90%
**98
100%
Hodgdon H414
<<locked>>
96%
55492
89%
**44
99%
Hodgdon H4350
<<locked>>
97%
45701
73%
**67
97%
Hodgdon Hybrid 100V
<<locked>>
96%
42989
69%
**54
100%
Hodgdon LVR 👍
<<locked>>
97%
52185
84%
**88
100%
Hodgdon Superperformance
<<locked>>
97%
51111
82%
**15
98%
Hodgdon VARGET
<<locked>>
94%
55347
89%
**59
100%
IMR 3031
<<locked>>
91%
55405
89%
**52
100%
IMR 4064
<<locked>>
94%
55230
89%
**46
100%
IMR 4166 Enduron
<<locked>>
94%
55405
89%
**36
99%
IMR 4350
<<locked>>
97%
47819
77%
**93
97%
IMR 4451 Enduron
<<locked>>
96%
55230
89%
**62
99%
IMR 4831
<<locked>>
96%
40393
65%
**34
99%
IMR 4895
<<locked>>
91%
55912
90%
**01
100%
[IMR 4955 Enduron]*
<<locked>>
97%
39421
63%
**62
91%
IMR 8208 XBR
<<locked>>
86%
55332
89%
**36
100%
Lovex D073.6
<<locked>>
89%
56014
90%
**62
100%
Lovex S060
<<locked>>
89%
56130
90%
**19
100%
Lovex S062
<<locked>>
92%
56072
90%
**59
100%
Lovex S065
<<locked>>
97%
52649
84%
**39
99%
Lovex S070
<<locked>>
97%
49763
80%
**26
98%
[Lovex S071]*
<<locked>>
97%
28297
45%
**27
93%
Norma 201
<<locked>>
89%
55201
89%
**36
100%
Norma 202
<<locked>>
88%
55637
89%
**36
100%
Norma 203B
<<locked>>
92%
55840
90%
**95
100%
Norma 204
<<locked>>
97%
47935
77%
**26
96%
Norma MRP
<<locked>>
96%
36390
58%
**37
95%
Norma URP
<<locked>>
97%
47442
76%
**42
100%
Ramshot Big Game
<<locked>>
92%
55506
89%
**08
100%
Ramshot Hunter
<<locked>>
97%
46253
74%
**39
98%
Ramshot TAC
<<locked>>
87%
56072
90%
**69
100%
Ramshot Wild Boar
<<locked>>
87%
55201
89%
**75
100%
Ramshot X-Terminator
<<locked>>
84%
55274
89%
**33
100%
ReloadSwiss RS 50
<<locked>>
93%
55941
90%
**78
99%
ReloadSwiss RS 52
<<locked>>
89%
55985
90%
**47
100%
ReloadSwiss RS 60
<<locked>>
96%
55680
89%
**77
100%
ReloadSwiss RS 62
<<locked>>
97%
47572
76%
**72
100%
ReloadSwiss RS 70
<<locked>>
97%
47703
76%
**88
99%
Rottweil R 901
<<locked>>
86%
55521
89%
**06
100%
Rottweil R 902
<<locked>>
91%
55680
89%
**36
100%
Rottweil R 903
<<locked>>
95%
55405
89%
**82
100%
[Rottweil R 904]*
<<locked>>
97%
43308
69%
**31
93%
[Rottweil R 905]*
<<locked>>
96%
38740
62%
**14
94%
Rottweil R 907
<<locked>>
97%
55042
88%
**59
98%
SNPE Vectan SP 11
<<locked>>
95%
55869
90%
**21
100%
SNPE Vectan SP 7
<<locked>>
87%
55521
89%
**65
100%
SNPE Vectan SP 9
<<locked>>
89%
55216
89%
**69
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
55317
89%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
56028
90%
**70
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
52112
84%
**93
98%
Shooters World Long Rifle
<<locked>>
97%
52649
84%
**39
99%
Shooters World Match Rifle
<<locked>>
89%
56014
90%
**62
100%
Shooters World Precision
<<locked>>
92%
56072
90%
**59
100%
Somchem S321
<<locked>>
84%
55201
89%
**56
100%
Somchem S335
<<locked>>
88%
55230
89%
**73
100%
Somchem S341
<<locked>>
88%
55666
89%
**62
100%
Somchem S355
<<locked>>
96%
55999
90%
**85
100%
[Somchem S361]*
<<locked>>
97%
44309
71%
**24
93%
Somchem S365
<<locked>>
97%
42119
68%
**00
100%
Somchem S385
<<locked>>
97%
39624
64%
**14
95%
Vihtavuori N130
<<locked>>
84%
55187
88%
**34
100%
Vihtavuori N133
<<locked>>
90%
54969
88%
**51
100%
Vihtavuori N135
<<locked>>
97%
55666
89%
**06
100%
Vihtavuori N140
<<locked>>
91%
55970
90%
**16
100%
Vihtavuori N150
<<locked>>
97%
49487
79%
**80
100%
Vihtavuori N160
<<locked>>
97%
52388
84%
**62
100%
[Vihtavuori N165]*
<<locked>>
97%
33446
54%
**90
92%
Vihtavuori N530
<<locked>>
85%
55622
89%
**49
100%
Vihtavuori N540
<<locked>>
91%
54897
88%
**36
100%
Vihtavuori N550 👍
<<locked>>
97%
52504
84%
**01
100%
Vihtavuori N555
<<locked>>
97%
35607
57%
**18
99%
Winchester 6.5 StaBALL
<<locked>>
97%
50546
81%
**29
100%
Winchester 748
<<locked>>
84%
55854
90%
**82
100%
Winchester 760
<<locked>>
96%
55492
89%
**44
99%
Winchester StaBALL HD
<<locked>>
97%
29588
47%
**52
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44440
71%
**31
100%
ADI AR 2208
<<locked>>
81%
38043
61%
**26
99%
[ADI AR 2209]*
<<locked>>
88%
32387
52%
**73
90%
Accurate 2015
<<locked>>
81%
50633
81%
**14
100%
Accurate 2200
<<locked>>
81%
46659
75%
**37
99%
Accurate 2495
<<locked>>
81%
45803
73%
**21
100%
Accurate 2520
<<locked>>
81%
46383
74%
**54
100%
[Accurate 2700]*
<<locked>>
81%
36361
58%
**64
94%
[Accurate 3100]*
<<locked>>
86%
23656
38%
**16
90%
Accurate 4064
<<locked>>
81%
38740
62%
**49
100%
Accurate 4350
<<locked>>
81%
27804
45%
**18
95%
Alliant AR-Comp
<<locked>>
81%
46905
75%
**18
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
40582
65%
**70
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
37318
60%
**42
100%
Alliant Reloder-15
<<locked>>
81%
40161
64%
**88
99%
Alliant Reloder-16
<<locked>>
81%
29414
47%
**41
96%
Alliant Reloder-17
<<locked>>
81%
32140
52%
**29
98%
[Alliant Reloder-19]*
<<locked>>
88%
31531
51%
**67
90%
[Alliant Reloder-22]*
<<locked>>
93%
31633
51%
**09
90%
[Alliant Reloder-23]*
<<locked>>
81%
21103
34%
**50
92%
[Alliant Reloder-25]*
<<locked>>
92%
25991
42%
**81
90%
[Alliant Reloder-26]*
<<locked>>
84%
23844
38%
**68
90%
Baschieri & Pellagri 107
<<locked>>
81%
43468
70%
**44
99%
Bofors RP3
<<locked>>
81%
36753
59%
**49
100%
[Bofors RP5]*
<<locked>>
93%
31633
51%
**09
90%
[Bofors RP7]*
<<locked>>
81%
33866
54%
**50
93%
Hodgdon BL-C2
<<locked>>
81%
45759
73%
**77
100%
Hodgdon Benchmark
<<locked>>
81%
48472
78%
**21
100%
Hodgdon CFE223
<<locked>>
81%
38203
61%
**98
98%
Hodgdon H322
<<locked>>
81%
49893
80%
**57
100%
Hodgdon H380
<<locked>>
81%
37826
61%
**52
98%
[Hodgdon H414]*
<<locked>>
81%
33431
54%
**16
94%
[Hodgdon H4350]*
<<locked>>
81%
28529
46%
**59
90%
Hodgdon Hybrid 100V
<<locked>>
81%
26745
43%
**62
96%
Hodgdon LVR
<<locked>>
81%
31328
50%
**64
95%
[Hodgdon Superperformance]*
<<locked>>
81%
30081
48%
**54
91%
Hodgdon VARGET
<<locked>>
81%
37724
60%
**19
99%
IMR 3031
<<locked>>
81%
40727
65%
**78
100%
IMR 4064
<<locked>>
81%
37231
60%
**06
99%
IMR 4166 Enduron
<<locked>>
81%
37130
60%
**80
95%
[IMR 4350]*
<<locked>>
81%
29762
48%
**91
91%
[IMR 4451 Enduron]*
<<locked>>
81%
35085
56%
**70
94%
[IMR 4831]*
<<locked>>
81%
25077
40%
**39
94%
IMR 4895
<<locked>>
81%
41046
66%
**11
100%
[IMR 4955 Enduron]*
<<locked>>
94%
36492
59%
**13
90%
IMR 8208 XBR
<<locked>>
81%
46557
75%
**34
100%
Lovex D073.6
<<locked>>
81%
43221
69%
**14
100%
Lovex S060
<<locked>>
81%
44759
72%
**82
100%
Lovex S062
<<locked>>
81%
39494
63%
**49
100%
Lovex S065
<<locked>>
81%
32663
52%
**37
95%
[Lovex S070]*
<<locked>>
81%
30879
50%
**18
93%
[Lovex S071]*
<<locked>>
91%
23656
38%
**16
90%
Norma 201
<<locked>>
81%
43888
70%
**98
100%
Norma 202
<<locked>>
81%
44077
71%
**98
100%
Norma 203B
<<locked>>
81%
39392
63%
**82
99%
[Norma 204]*
<<locked>>
84%
31952
51%
**60
90%
[Norma MRP]*
<<locked>>
89%
28543
46%
**60
90%
Norma URP
<<locked>>
81%
29022
47%
**31
95%
Ramshot Big Game
<<locked>>
81%
39102
63%
**98
99%
[Ramshot Hunter]*
<<locked>>
81%
28427
46%
**14
92%
Ramshot TAC
<<locked>>
81%
46499
75%
**51
99%
Ramshot Wild Boar
<<locked>>
81%
45730
73%
**64
100%
Ramshot X-Terminator
<<locked>>
81%
50241
81%
**77
100%
ReloadSwiss RS 50
<<locked>>
81%
38479
62%
**39
96%
ReloadSwiss RS 52
<<locked>>
81%
42047
67%
**70
99%
ReloadSwiss RS 60
<<locked>>
81%
34330
55%
**78
100%
ReloadSwiss RS 62
<<locked>>
81%
27978
45%
**34
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
28631
46%
**37
93%
Rottweil R 901
<<locked>>
81%
47848
77%
**18
100%
Rottweil R 902
<<locked>>
81%
41640
67%
**59
100%
Rottweil R 903
<<locked>>
81%
34925
56%
**09
99%
[Rottweil R 904]*
<<locked>>
90%
35070
56%
**96
90%
[Rottweil R 905]*
<<locked>>
89%
30763
49%
**64
90%
[Rottweil R 907]*
<<locked>>
81%
33866
54%
**50
93%
SNPE Vectan SP 11
<<locked>>
81%
35621
57%
**46
99%
SNPE Vectan SP 7
<<locked>>
81%
44875
72%
**31
99%
SNPE Vectan SP 9
<<locked>>
81%
42975
69%
**11
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
45339
73%
**52
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37478
60%
**57
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31372
50%
**95
93%
Shooters World Long Rifle
<<locked>>
81%
32663
52%
**37
95%
Shooters World Match Rifle
<<locked>>
81%
43221
69%
**14
100%
Shooters World Precision
<<locked>>
81%
39494
63%
**49
100%
Somchem S321
<<locked>>
81%
50212
81%
**00
100%
Somchem S335
<<locked>>
81%
44933
72%
**59
100%
Somchem S341
<<locked>>
81%
44222
71%
**28
100%
Somchem S355
<<locked>>
81%
35795
57%
**13
99%
[Somchem S361]*
<<locked>>
92%
37956
61%
**29
90%
Somchem S365
<<locked>>
81%
25860
41%
**95
98%
[Somchem S385]*
<<locked>>
86%
27833
45%
**95
90%
Vihtavuori N130
<<locked>>
81%
50024
80%
**78
100%
Vihtavuori N133
<<locked>>
81%
42525
68%
**09
100%
Vihtavuori N135
<<locked>>
81%
34882
56%
**54
100%
Vihtavuori N140
<<locked>>
81%
40901
66%
**42
100%
Vihtavuori N150
<<locked>>
81%
30632
49%
**04
99%
Vihtavuori N160
<<locked>>
81%
31430
50%
**54
96%
[Vihtavuori N165]*
<<locked>>
93%
29892
48%
**14
90%
Vihtavuori N530
<<locked>>
81%
49429
79%
**77
100%
Vihtavuori N540
<<locked>>
81%
40538
65%
**62
100%
Vihtavuori N550
<<locked>>
81%
31546
51%
**83
96%
[Vihtavuori N555]*
<<locked>>
81%
21973
35%
**03
92%
Winchester 6.5 StaBALL
<<locked>>
81%
30008
48%
**11
98%
Winchester 748
<<locked>>
81%
49864
80%
**13
100%
[Winchester 760]*
<<locked>>
81%
33431
54%
**16
94%
[Winchester StaBALL HD]*
<<locked>>
85%
20972
34%
**83
90%

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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