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Load data for 8.5 mm Messner Magnum + .338 | 200gr | Woodleigh FN SN

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

8.5 mm Messner Magnum + .338 | 200gr | Woodleigh FN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 200gr | Woodleigh FN SN
Manufacturer SKU:
56E
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.035" | 26.3mm
Caliber:
8.5 mm Messner Magnum load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.413" | 86.7mm
Seated Depth:
0.130" | 3.3mm
Shank Seated Depth:
0.130" | 3.3mm
Case Capacity:
106.0 Grains of Water | 6.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B12102_C1203
Last updated:
2026-01-20

Load data for 164 loads in caliber 8.5 mm Messner Magnum with .338 | 200gr | Woodleigh FN SN bullet and 82 powders such as Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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 2208
<<locked>>
86%
57363
90%
**59
100%
ADI AR 2209
<<locked>>
96%
57246
90%
**51
98%
ADI AR 2213
<<locked>>
97%
51779
81%
**82
96%
[ADI AR 2225]*
<<locked>>
97%
33620
53%
**18
92%
Accurate 2700
<<locked>>
86%
56985
89%
**20
99%
Accurate 3100
<<locked>>
97%
51764
81%
**17
99%
Accurate 4064
<<locked>>
83%
56985
89%
**20
100%
Accurate 4350
<<locked>>
91%
57174
90%
**15
100%
[Accurate MAGPRO]*
<<locked>>
97%
50633
79%
**79
94%
Alliant Reloder- TS 15.5
<<locked>>
85%
57188
90%
**69
100%
Alliant Reloder-16
<<locked>>
92%
56869
89%
**61
100%
Alliant Reloder-17
<<locked>>
88%
57290
90%
**68
100%
Alliant Reloder-19
<<locked>>
97%
57029
89%
**45
98%
Alliant Reloder-22
<<locked>>
97%
51140
80%
**92
97%
Alliant Reloder-23
<<locked>>
97%
48907
77%
**33
100%
Alliant Reloder-25
<<locked>>
97%
41945
66%
**35
98%
Alliant Reloder-26 👍
<<locked>>
97%
55550
87%
**17
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
51605
81%
**90
92%
Bofors RP15
<<locked>>
97%
46876
73%
**04
96%
Bofors RP3
<<locked>>
85%
57261
90%
**66
100%
[Bofors RP30]*
<<locked>>
97%
38464
60%
**49
92%
Bofors RP5
<<locked>>
97%
51140
80%
**92
97%
Bofors RP7
<<locked>>
89%
57014
89%
**69
99%
Hodgdon H380
<<locked>>
84%
57290
90%
**86
100%
Hodgdon H414
<<locked>>
87%
57188
90%
**38
99%
Hodgdon H4350
<<locked>>
94%
57087
89%
**86
99%
[Hodgdon H4831]*
<<locked>>
97%
48153
75%
**61
94%
Hodgdon H4831 SC
<<locked>>
97%
54360
85%
**69
96%
Hodgdon Hybrid 100V
<<locked>>
94%
57363
90%
**89
100%
Hodgdon LVR
<<locked>>
90%
57305
90%
**28
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33620
53%
**18
92%
Hodgdon Superperformance 👍
<<locked>>
90%
57276
90%
**74
99%
Hodgdon VARGET
<<locked>>
86%
57363
90%
**59
100%
Hodgdon TrailBoss
<<locked>>
96%
34867
55%
**27
100%
IMR 4064
<<locked>>
86%
56971
89%
**43
100%
IMR 4166 Enduron
<<locked>>
87%
56840
89%
**46
99%
IMR 4350
<<locked>>
92%
56797
89%
**76
99%
IMR 4451 Enduron
<<locked>>
88%
57000
89%
**66
99%
IMR 4831
<<locked>>
96%
56971
89%
**99
100%
IMR 4955 Enduron
<<locked>>
97%
53287
84%
**17
96%
IMR 7828 SSC
<<locked>>
97%
53388
84%
**28
96%
Lovex S062
<<locked>>
84%
56898
89%
**33
100%
Lovex S065
<<locked>>
90%
57406
90%
**72
100%
Lovex S070
<<locked>>
91%
57392
90%
**86
99%
Lovex S071
<<locked>>
97%
43004
67%
**49
98%
Norma 203B
<<locked>>
83%
57290
90%
**82
100%
Norma 204
<<locked>>
92%
57145
90%
**25
98%
Norma MRP
<<locked>>
97%
54534
85%
**81
99%
Norma URP
<<locked>>
92%
57421
90%
**31
100%
Ramshot Grand
<<locked>>
97%
57188
90%
**04
98%
Ramshot Hunter 👍
<<locked>>
92%
57363
90%
**48
100%
Ramshot Magnum
<<locked>>
97%
49719
78%
**40
98%
ReloadSwiss RS 14
<<locked>>
97%
35824
56%
**77
100%
ReloadSwiss RS 50
<<locked>>
84%
57145
90%
**69
100%
ReloadSwiss RS 60
<<locked>>
86%
57145
90%
**64
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
57276
90%
**45
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
56956
89%
**94
100%
ReloadSwiss RS 76
<<locked>>
97%
40886
64%
**48
96%
Rottweil R 903
<<locked>>
87%
57334
90%
**63
100%
Rottweil R 904
<<locked>>
96%
57159
90%
**99
97%
Rottweil R 905
<<locked>>
97%
56434
88%
**35
98%
Rottweil R 907
<<locked>>
89%
57014
89%
**69
99%
SNPE Vectan SP 11
<<locked>>
85%
56956
89%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56898
89%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57377
90%
**27
99%
Shooters World Long Rifle
<<locked>>
90%
57406
90%
**72
100%
Shooters World Precision
<<locked>>
84%
56898
89%
**33
100%
Somchem S355
<<locked>>
87%
57363
90%
**69
100%
Somchem S361
<<locked>>
94%
57014
89%
**53
96%
Somchem S365
<<locked>>
94%
57087
89%
**25
100%
Somchem S385
<<locked>>
97%
57087
89%
**09
99%
Vihtavuori N135
<<locked>>
87%
56739
89%
**67
100%
Vihtavuori N150
<<locked>>
92%
57145
90%
**17
100%
Vihtavuori N160
<<locked>>
89%
56855
89%
**76
100%
Vihtavuori N165
<<locked>>
97%
47659
75%
**35
97%
Vihtavuori N550
<<locked>>
89%
57072
89%
**22
100%
Vihtavuori N555
<<locked>>
97%
54447
85%
**15
100%
Vihtavuori N560
<<locked>>
97%
51576
81%
**05
96%
[Vihtavuori N565]*
<<locked>>
97%
43671
68%
**41
94%
Winchester 6.5 StaBALL
<<locked>>
91%
57232
90%
**56
100%
Winchester 760
<<locked>>
87%
57188
90%
**38
99%
Winchester StaBALL HD
<<locked>>
97%
43468
68%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49603
78%
**35
100%
[ADI AR 2209]*
<<locked>>
81%
34374
54%
**75
91%
[ADI AR 2213]*
<<locked>>
86%
36811
58%
**54
90%
[ADI AR 2225]*
<<locked>>
94%
30980
49%
**30
90%
Accurate 2700
<<locked>>
81%
47718
75%
**56
97%
[Accurate 3100]*
<<locked>>
81%
29979
47%
**41
93%
Accurate 4064
<<locked>>
81%
52982
83%
**61
100%
Accurate 4350
<<locked>>
81%
40770
64%
**26
99%
[Accurate MAGPRO]*
<<locked>>
91%
40727
64%
**82
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50488
79%
**58
100%
Alliant Reloder-16
<<locked>>
81%
39436
62%
**33
99%
Alliant Reloder-17
<<locked>>
81%
45005
71%
**64
100%
[Alliant Reloder-19]*
<<locked>>
81%
34330
54%
**72
91%
[Alliant Reloder-22]*
<<locked>>
83%
31836
50%
**49
90%
Alliant Reloder-23
<<locked>>
81%
28877
45%
**77
97%
[Alliant Reloder-25]*
<<locked>>
82%
26556
42%
**95
90%
Alliant Reloder-26
<<locked>>
81%
31009
49%
**85
95%
[Baschieri & Pellagri 109]*
<<locked>>
93%
46441
73%
**85
90%
[Bofors RP15]*
<<locked>>
85%
32329
51%
**59
90%
Bofors RP3
<<locked>>
81%
50879
80%
**71
100%
[Bofors RP30]*
<<locked>>
93%
34258
54%
**41
90%
[Bofors RP5]*
<<locked>>
83%
31836
50%
**49
90%
Bofors RP7
<<locked>>
81%
44498
70%
**40
97%
Hodgdon H380
<<locked>>
81%
51024
80%
**84
100%
Hodgdon H414
<<locked>>
81%
46296
73%
**48
98%
Hodgdon H4350
<<locked>>
81%
38072
60%
**18
95%
[Hodgdon H4831]*
<<locked>>
89%
37594
59%
**31
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
37289
58%
**28
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36753
58%
**21
99%
Hodgdon LVR
<<locked>>
81%
43453
68%
**76
99%
[Hodgdon Retumbo]*
<<locked>>
94%
30980
49%
**30
90%
Hodgdon Superperformance
<<locked>>
81%
41756
65%
**92
96%
Hodgdon VARGET
<<locked>>
81%
49124
77%
**25
100%
Hodgdon TrailBoss
<<locked>>
81%
27818
44%
**77
100%
IMR 4064
<<locked>>
81%
48718
76%
**12
100%
IMR 4166 Enduron
<<locked>>
81%
47892
75%
**89
98%
IMR 4350
<<locked>>
81%
39943
63%
**67
95%
IMR 4451 Enduron
<<locked>>
81%
45977
72%
**72
97%
IMR 4831
<<locked>>
81%
35505
56%
**89
97%
[IMR 4955 Enduron]*
<<locked>>
85%
36767
58%
**82
90%
[IMR 7828 SSC]*
<<locked>>
86%
36608
57%
**61
90%
Lovex S062
<<locked>>
81%
52388
82%
**71
100%
Lovex S065
<<locked>>
81%
43497
68%
**17
98%
Lovex S070
<<locked>>
81%
41655
65%
**97
97%
[Lovex S071]*
<<locked>>
81%
25730
40%
**16
90%
Norma 203B
<<locked>>
81%
53243
83%
**17
100%
[Norma 204]*
<<locked>>
81%
39552
62%
**94
94%
[Norma MRP]*
<<locked>>
81%
31212
49%
**52
91%
Norma URP
<<locked>>
81%
40234
63%
**13
98%
[Ramshot Grand]*
<<locked>>
84%
36085
57%
**57
90%
Ramshot Hunter
<<locked>>
81%
39233
61%
**03
97%
[Ramshot Magnum]*
<<locked>>
84%
31183
49%
**10
90%
ReloadSwiss RS 14
<<locked>>
81%
28326
44%
**16
100%
ReloadSwiss RS 50
<<locked>>
81%
51184
80%
**67
99%
ReloadSwiss RS 60
<<locked>>
81%
47645
75%
**23
100%
ReloadSwiss RS 62
<<locked>>
81%
40567
64%
**46
98%
ReloadSwiss RS 70
<<locked>>
81%
39131
61%
**46
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
31169
49%
**66
90%
Rottweil R 903
<<locked>>
81%
47935
75%
**15
100%
[Rottweil R 904]*
<<locked>>
81%
35868
56%
**72
91%
[Rottweil R 905]*
<<locked>>
81%
33286
52%
**56
91%
Rottweil R 907
<<locked>>
81%
44498
70%
**40
97%
SNPE Vectan SP 11
<<locked>>
81%
49066
77%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49037
77%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42612
67%
**67
97%
Shooters World Long Rifle
<<locked>>
81%
43497
68%
**17
98%
Shooters World Precision
<<locked>>
81%
52388
82%
**71
100%
Somchem S355
<<locked>>
81%
48138
75%
**15
100%
[Somchem S361]*
<<locked>>
82%
37130
58%
**69
90%
Somchem S365
<<locked>>
81%
36724
58%
**77
100%
[Somchem S385]*
<<locked>>
81%
33982
53%
**49
93%
Vihtavuori N135
<<locked>>
81%
46760
73%
**17
100%
Vihtavuori N150
<<locked>>
81%
41060
64%
**57
100%
Vihtavuori N160
<<locked>>
81%
43511
68%
**49
99%
[Vihtavuori N165]*
<<locked>>
83%
30298
47%
**38
90%
Vihtavuori N550
<<locked>>
81%
43888
69%
**89
99%
Vihtavuori N555
<<locked>>
81%
32198
50%
**56
97%
[Vihtavuori N560]*
<<locked>>
87%
37420
59%
**03
90%
[Vihtavuori N565]*
<<locked>>
91%
36274
57%
**74
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41002
64%
**90
100%
Winchester 760
<<locked>>
81%
46296
73%
**48
98%
Winchester StaBALL HD
<<locked>>
81%
25614
40%
**38
95%

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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