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Load data for 8.5 mm Messner Magnum + .338 | 175gr | AERO SOSR,- smax:16.30

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N160, Vihtavuori N550

8.5 mm Messner Magnum + .338 | 175gr | AERO SOSR,- smax:16.30

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 175gr | AERO SOSR,- smax:16.30
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.335" | 33.9mm
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:
0.430" | 10.9mm
Shank Seated Depth:
0.430" | 10.9mm
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_B89_C1203
Last updated:
2025-01-01

Load data for 186 loads in caliber 8.5 mm Messner Magnum with .338 | 175gr | AERO SOSR,- smax:16.30 bullet and 93 powders such as Alliant Reloder-17, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N160, 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>>
86%
56840
89%
**33
100%
ADI AR 2208
<<locked>>
91%
57188
90%
**20
100%
[ADI AR 2209]*
<<locked>>
97%
47340
74%
**15
94%
Accurate 2200
<<locked>>
84%
56927
89%
**07
100%
Accurate 2495
<<locked>>
85%
57188
90%
**81
100%
Accurate 2520
<<locked>>
84%
57000
89%
**04
100%
Accurate 2700
<<locked>>
92%
57145
90%
**58
97%
Accurate 3100
<<locked>>
97%
39624
62%
**35
95%
Accurate 4064
<<locked>>
90%
57261
90%
**07
100%
Accurate 4350
<<locked>>
97%
55521
87%
**69
100%
Alliant AR-Comp
<<locked>>
84%
57043
89%
**61
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
57130
90%
**46
100%
Alliant Reloder-15
<<locked>>
89%
57217
90%
**56
100%
Alliant Reloder-16
<<locked>>
97%
53563
84%
**73
100%
Alliant Reloder-17 👍
<<locked>>
94%
57116
89%
**48
100%
[Alliant Reloder-19]*
<<locked>>
97%
46398
73%
**02
94%
[Alliant Reloder-22]*
<<locked>>
97%
40509
63%
**10
91%
Alliant Reloder-23
<<locked>>
97%
38087
60%
**77
98%
Alliant Reloder-26
<<locked>>
97%
42902
67%
**41
97%
Baschieri & Pellagri 107
<<locked>>
85%
56956
89%
**53
100%
Hodgdon BL-C2
<<locked>>
84%
57043
89%
**46
100%
Hodgdon Benchmark
<<locked>>
84%
57145
90%
**58
100%
Hodgdon CFE223
<<locked>>
89%
57188
90%
**89
100%
Hodgdon H380
<<locked>>
90%
56811
89%
**43
99%
Hodgdon H414
<<locked>>
93%
56811
89%
**92
98%
Hodgdon H4350
<<locked>>
97%
51576
81%
**35
96%
Hodgdon Hybrid 100V
<<locked>>
97%
50096
79%
**48
100%
Hodgdon LVR
<<locked>>
95%
56884
89%
**82
99%
Hodgdon Superperformance
<<locked>>
95%
56971
89%
**19
98%
Hodgdon VARGET
<<locked>>
91%
56927
89%
**10
100%
Hodgdon TrailBoss
<<locked>>
97%
33997
53%
**09
100%
IMR 3031
<<locked>>
88%
56985
89%
**20
100%
IMR 4064
<<locked>>
92%
56840
89%
**14
100%
IMR 4166 Enduron
<<locked>>
92%
57217
90%
**00
98%
IMR 4350
<<locked>>
97%
54476
85%
**94
97%
IMR 4451 Enduron
<<locked>>
93%
56898
89%
**10
98%
IMR 4831
<<locked>>
97%
47239
74%
**02
99%
IMR 4895
<<locked>>
88%
56855
89%
**66
100%
IMR 8208 XBR
<<locked>>
84%
56898
89%
**97
100%
Lovex D073.6
<<locked>>
86%
57159
90%
**10
100%
Lovex S060
<<locked>>
86%
56956
89%
**68
100%
Lovex S062
<<locked>>
89%
56710
89%
**04
100%
Lovex S065
<<locked>>
96%
56884
89%
**14
99%
Lovex S070
<<locked>>
97%
56724
89%
**36
98%
[Lovex S071]*
<<locked>>
97%
32938
52%
**74
92%
Norma 201
<<locked>>
86%
56884
89%
**97
100%
Norma 202
<<locked>>
86%
56898
89%
**91
100%
Norma 203B
<<locked>>
89%
57116
89%
**56
100%
Norma 204
<<locked>>
97%
55593
87%
**43
96%
[Norma MRP]*
<<locked>>
97%
42873
67%
**99
94%
Norma URP
<<locked>>
97%
55013
86%
**56
99%
Ramshot Big Game
<<locked>>
88%
57145
90%
**66
100%
Ramshot Hunter
<<locked>>
97%
53882
84%
**50
98%
Ramshot TAC
<<locked>>
84%
57261
90%
**20
99%
Ramshot Wild Boar
<<locked>>
84%
57276
90%
**46
100%
ReloadSwiss RS 14
<<locked>>
96%
34316
54%
**49
100%
ReloadSwiss RS 50
<<locked>>
90%
56884
89%
**17
98%
ReloadSwiss RS 52
<<locked>>
89%
57276
90%
**69
100%
ReloadSwiss RS 60 👍
<<locked>>
95%
57217
90%
**71
100%
ReloadSwiss RS 62
<<locked>>
97%
56101
88%
**96
99%
ReloadSwiss RS 70
<<locked>>
97%
55535
87%
**25
99%
Rottweil R 901
<<locked>>
84%
57029
89%
**71
100%
Rottweil R 902
<<locked>>
88%
57145
90%
**97
100%
Rottweil R 903
<<locked>>
93%
57319
90%
**40
100%
[Rottweil R 904]*
<<locked>>
97%
49081
77%
**99
93%
[Rottweil R 905]*
<<locked>>
97%
45063
71%
**76
94%
Rottweil R 907
<<locked>>
94%
56985
89%
**10
97%
SNPE Vectan SP 11 👍
<<locked>>
91%
57203
90%
**76
100%
SNPE Vectan SP 7
<<locked>>
85%
57232
90%
**23
99%
SNPE Vectan SP 9
<<locked>>
86%
56884
89%
**27
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57159
90%
**22
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
57421
90%
**12
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
57188
90%
**64
98%
Shooters World Long Rifle
<<locked>>
96%
56884
89%
**14
99%
Shooters World Match Rifle
<<locked>>
86%
57159
90%
**10
100%
Shooters World Precision
<<locked>>
89%
56710
89%
**04
100%
Somchem S335
<<locked>>
86%
57101
89%
**22
100%
Somchem S341
<<locked>>
85%
56811
89%
**07
100%
Somchem S355
<<locked>>
92%
57101
89%
**30
100%
[Somchem S361]*
<<locked>>
97%
51082
80%
**86
92%
Somchem S365
<<locked>>
97%
49443
77%
**94
100%
Somchem S385
<<locked>>
97%
45977
72%
**66
95%
Vihtavuori N133
<<locked>>
88%
56942
89%
**95
100%
Vihtavuori N135
<<locked>>
94%
57377
90%
**61
100%
Vihtavuori N140
<<locked>>
88%
57014
89%
**64
100%
Vihtavuori N150
<<locked>>
97%
55796
87%
**68
100%
Vihtavuori N160 👍
<<locked>>
95%
57392
90%
**53
100%
Vihtavuori N540
<<locked>>
88%
56913
89%
**87
100%
Vihtavuori N550 👍
<<locked>>
95%
57116
89%
**92
100%
Vihtavuori N555
<<locked>>
97%
41974
66%
**53
98%
Winchester 6.5 StaBALL
<<locked>>
96%
57232
90%
**17
100%
Winchester 760
<<locked>>
93%
56811
89%
**92
98%
Winchester StaBALL HD
<<locked>>
97%
34142
54%
**58
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49124
77%
**95
99%
ADI AR 2208
<<locked>>
81%
41611
65%
**35
98%
[ADI AR 2209]*
<<locked>>
91%
38798
61%
**22
90%
Accurate 2200
<<locked>>
81%
51416
81%
**12
99%
Accurate 2495
<<locked>>
81%
50908
80%
**95
100%
Accurate 2520
<<locked>>
81%
51735
81%
**25
100%
[Accurate 2700]*
<<locked>>
81%
39827
62%
**36
93%
[Accurate 3100]*
<<locked>>
89%
29704
47%
**82
90%
Accurate 4064
<<locked>>
81%
42699
67%
**61
100%
[Accurate 4350]*
<<locked>>
81%
31676
50%
**54
93%
Alliant AR-Comp
<<locked>>
81%
52301
82%
**89
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
41336
65%
**54
99%
Alliant Reloder-15
<<locked>>
81%
44570
70%
**23
98%
[Alliant Reloder-16]*
<<locked>>
81%
32068
50%
**74
94%
Alliant Reloder-17
<<locked>>
81%
36172
57%
**22
97%
[Alliant Reloder-19]*
<<locked>>
90%
37782
59%
**95
90%
[Alliant Reloder-22]*
<<locked>>
94%
37536
59%
**35
90%
[Alliant Reloder-23]*
<<locked>>
83%
24613
39%
**48
90%
[Alliant Reloder-26]*
<<locked>>
87%
29327
46%
**57
90%
Baschieri & Pellagri 107
<<locked>>
81%
48805
76%
**05
99%
Hodgdon BL-C2
<<locked>>
81%
51576
81%
**58
100%
Hodgdon Benchmark
<<locked>>
81%
52982
83%
**95
100%
Hodgdon CFE223
<<locked>>
81%
43308
68%
**30
98%
Hodgdon H380
<<locked>>
81%
41989
66%
**64
97%
[Hodgdon H414]*
<<locked>>
81%
37434
59%
**08
93%
[Hodgdon H4350]*
<<locked>>
84%
34127
53%
**61
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29399
46%
**75
95%
[Hodgdon LVR]*
<<locked>>
81%
35012
55%
**33
94%
[Hodgdon Superperformance]*
<<locked>>
82%
34954
55%
**49
90%
Hodgdon VARGET
<<locked>>
81%
41292
65%
**22
98%
Hodgdon TrailBoss
<<locked>>
81%
26934
42%
**49
100%
IMR 3031
<<locked>>
81%
45266
71%
**33
100%
IMR 4064
<<locked>>
81%
40712
64%
**12
98%
[IMR 4166 Enduron]*
<<locked>>
81%
40437
63%
**72
94%
[IMR 4350]*
<<locked>>
82%
34171
54%
**61
90%
[IMR 4451 Enduron]*
<<locked>>
81%
38522
60%
**46
93%
[IMR 4831]*
<<locked>>
81%
27833
44%
**23
91%
IMR 4895
<<locked>>
81%
45745
72%
**66
99%
IMR 8208 XBR
<<locked>>
81%
51372
80%
**12
100%
Lovex D073.6
<<locked>>
81%
48588
76%
**79
100%
Lovex S060
<<locked>>
81%
48776
76%
**33
99%
Lovex S062
<<locked>>
81%
43555
68%
**67
99%
[Lovex S065]*
<<locked>>
81%
35752
56%
**90
94%
[Lovex S070]*
<<locked>>
81%
33910
53%
**54
91%
[Lovex S071]*
<<locked>>
94%
29704
47%
**82
90%
Norma 201
<<locked>>
81%
48051
75%
**49
100%
Norma 202
<<locked>>
81%
48298
76%
**56
100%
Norma 203B
<<locked>>
81%
43830
69%
**20
99%
[Norma 204]*
<<locked>>
86%
38667
61%
**99
90%
[Norma MRP]*
<<locked>>
91%
34418
54%
**82
90%
[Norma URP]*
<<locked>>
81%
32111
50%
**64
93%
Ramshot Big Game
<<locked>>
81%
43845
69%
**27
99%
[Ramshot Hunter]*
<<locked>>
81%
31357
49%
**44
91%
Ramshot TAC
<<locked>>
81%
51430
81%
**15
98%
Ramshot Wild Boar
<<locked>>
81%
51256
80%
**38
100%
ReloadSwiss RS 14
<<locked>>
81%
27311
43%
**91
100%
ReloadSwiss RS 50
<<locked>>
81%
42511
67%
**44
95%
ReloadSwiss RS 52
<<locked>>
81%
43163
68%
**27
100%
ReloadSwiss RS 60
<<locked>>
81%
35012
55%
**12
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
31589
49%
**74
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
31604
50%
**71
91%
Rottweil R 901
<<locked>>
81%
51619
81%
**89
100%
Rottweil R 902
<<locked>>
81%
45339
71%
**94
100%
Rottweil R 903
<<locked>>
81%
38812
61%
**02
98%
[Rottweil R 904]*
<<locked>>
92%
41698
65%
**35
90%
[Rottweil R 905]*
<<locked>>
91%
36753
58%
**85
90%
[Rottweil R 907]*
<<locked>>
81%
36898
58%
**03
91%
SNPE Vectan SP 11
<<locked>>
81%
39987
63%
**51
98%
SNPE Vectan SP 7
<<locked>>
81%
50009
78%
**92
98%
SNPE Vectan SP 9
<<locked>>
81%
47558
75%
**69
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
49037
77%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40944
64%
**46
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34954
55%
**21
92%
[Shooters World Long Rifle]*
<<locked>>
81%
35752
56%
**90
94%
Shooters World Match Rifle
<<locked>>
81%
48588
76%
**79
100%
Shooters World Precision
<<locked>>
81%
43555
68%
**67
99%
Somchem S335
<<locked>>
81%
48805
76%
**90
100%
Somchem S341
<<locked>>
81%
49603
78%
**89
100%
Somchem S355
<<locked>>
81%
39421
62%
**08
98%
[Somchem S361]*
<<locked>>
93%
44005
69%
**58
90%
Somchem S365
<<locked>>
81%
28587
45%
**05
96%
[Somchem S385]*
<<locked>>
88%
34214
54%
**94
90%
Vihtavuori N133
<<locked>>
81%
46296
73%
**38
100%
Vihtavuori N135
<<locked>>
81%
38130
60%
**30
100%
Vihtavuori N140
<<locked>>
81%
45411
71%
**81
100%
Vihtavuori N150
<<locked>>
81%
33562
53%
**38
98%
Vihtavuori N160
<<locked>>
81%
34882
55%
**03
95%
Vihtavuori N540
<<locked>>
81%
44991
71%
**90
100%
Vihtavuori N550
<<locked>>
81%
35563
56%
**59
95%
[Vihtavuori N555]*
<<locked>>
82%
25353
40%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33373
52%
**51
97%
[Winchester 760]*
<<locked>>
81%
37434
59%
**08
93%
[Winchester StaBALL HD]*
<<locked>>
88%
25324
40%
**23
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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