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Load data for 8.5 mm Messner Magnum + .338 | 280gr | Rhino Solid Shank

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Vihtavuori N560

8.5 mm Messner Magnum + .338 | 280gr | Rhino Solid Shank

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 280gr | Rhino Solid Shank
Bullet Weight:
280gr | 18.1g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.507" | 38.3mm
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:
0.602" | 15.3mm
Shank Seated Depth:
0.602" | 15.3mm
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_B5248_C1203
Last updated:
2025-02-02

Load data for 126 loads in caliber 8.5 mm Messner Magnum with .338 | 280gr | Rhino Solid Shank bullet and 63 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Vihtavuori N560. 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 2209
<<locked>>
92%
57319
90%
**98
100%
ADI AR 2213 👍
<<locked>>
95%
56826
89%
**28
100%
ADI AR 2217
<<locked>>
97%
44730
70%
**41
98%
ADI AR 2225
<<locked>>
97%
39987
63%
**11
99%
Accurate 3100
<<locked>>
95%
57174
90%
**43
100%
Accurate 4350
<<locked>>
86%
56898
89%
**43
100%
Accurate MAGPRO
<<locked>>
95%
56710
89%
**48
98%
Alliant Reloder-16
<<locked>>
87%
57014
89%
**75
100%
Alliant Reloder-19
<<locked>>
92%
57188
90%
**95
100%
Alliant Reloder-22 👍
<<locked>>
95%
56695
89%
**25
100%
Alliant Reloder-23
<<locked>>
96%
57000
89%
**79
100%
Alliant Reloder-25
<<locked>>
97%
50314
79%
**56
100%
Alliant Reloder-26
<<locked>>
92%
57319
90%
**61
100%
[Alliant Reloder-33]*
<<locked>>
97%
40582
64%
**28
93%
Hodgdon H1000
<<locked>>
97%
44730
70%
**41
98%
Hodgdon H4350
<<locked>>
89%
57261
90%
**33
100%
Hodgdon H4831
<<locked>>
97%
56695
89%
**69
99%
Hodgdon H4831 SC
<<locked>>
93%
56695
89%
**69
99%
Hodgdon Hybrid 100V
<<locked>>
89%
57043
89%
**07
100%
Hodgdon LVR
<<locked>>
85%
57072
89%
**46
100%
Hodgdon Retumbo
<<locked>>
97%
39987
63%
**11
99%
Hodgdon Superperformance
<<locked>>
85%
56840
89%
**05
100%
IMR 4350
<<locked>>
88%
56840
89%
**30
100%
IMR 4451 Enduron
<<locked>>
84%
56869
89%
**07
100%
IMR 4831
<<locked>>
91%
57377
90%
**33
100%
IMR 4955 Enduron
<<locked>>
94%
57363
90%
**46
99%
IMR 7828 SSC 👍
<<locked>>
94%
56855
89%
**38
100%
[IMR 7977 Enduron]*
<<locked>>
97%
52794
83%
**41
93%
IMR 8133 Enduron
<<locked>>
97%
35998
56%
**26
96%
Lovex S065
<<locked>>
85%
56985
89%
**03
100%
Lovex S070
<<locked>>
86%
57087
89%
**30
100%
Lovex S071
<<locked>>
97%
51213
80%
**64
100%
Norma 204
<<locked>>
87%
57421
90%
**72
100%
Norma 217
<<locked>>
97%
35984
56%
**52
98%
Norma MRP 👍
<<locked>>
93%
56797
89%
**48
100%
Norma URP
<<locked>>
87%
57188
90%
**46
100%
Ramshot Hunter
<<locked>>
87%
56985
89%
**72
100%
Ramshot Magnum
<<locked>>
95%
56956
89%
**18
100%
ReloadSwiss RS 60
<<locked>>
84%
57087
89%
**95
100%
ReloadSwiss RS 62
<<locked>>
86%
57392
90%
**72
100%
ReloadSwiss RS 70
<<locked>>
87%
57101
89%
**18
100%
ReloadSwiss RS 76
<<locked>>
97%
49284
77%
**18
100%
ReloadSwiss RS 80
<<locked>>
97%
44266
69%
**03
97%
Rottweil R 904
<<locked>>
91%
57363
90%
**52
100%
Rottweil R 905
<<locked>>
92%
57058
89%
**89
100%
Rottweil R 907
<<locked>>
85%
57319
90%
**13
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
57348
90%
**80
100%
Shooters World Long Rifle
<<locked>>
85%
56985
89%
**03
100%
Somchem S361
<<locked>>
90%
57276
90%
**26
99%
Somchem S365
<<locked>>
88%
56652
89%
**39
100%
Somchem S385
<<locked>>
92%
56942
89%
**56
100%
Vihtavuori N150
<<locked>>
87%
56927
89%
**44
100%
Vihtavuori N160
<<locked>>
85%
57058
89%
**13
100%
Vihtavuori N165
<<locked>>
97%
56260
88%
**36
100%
[Vihtavuori N170]*
<<locked>>
97%
41945
66%
**33
91%
Vihtavuori N550
<<locked>>
84%
57188
90%
**49
100%
Vihtavuori N555
<<locked>>
93%
57043
89%
**75
100%
Vihtavuori N560 👍
<<locked>>
95%
56985
89%
**51
99%
Vihtavuori N565
<<locked>>
97%
52736
83%
**82
99%
Vihtavuori N568
<<locked>>
97%
46122
72%
**23
97%
[Vihtavuori N570]*
<<locked>>
97%
43947
69%
**03
94%
Winchester 6.5 StaBALL
<<locked>>
86%
56855
89%
**84
100%
Winchester StaBALL HD
<<locked>>
97%
56043
88%
**74
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40437
63%
**23
98%
ADI AR 2213
<<locked>>
81%
35998
56%
**60
95%
[ADI AR 2217]*
<<locked>>
82%
27514
43%
**44
90%
[ADI AR 2225]*
<<locked>>
81%
24279
38%
**95
91%
Accurate 3100
<<locked>>
81%
36158
57%
**11
99%
Accurate 4350
<<locked>>
81%
48443
76%
**25
100%
[Accurate MAGPRO]*
<<locked>>
81%
34824
55%
**60
92%
Alliant Reloder-16
<<locked>>
81%
46267
73%
**28
100%
Alliant Reloder-19
<<locked>>
81%
40335
63%
**20
98%
Alliant Reloder-22
<<locked>>
81%
35998
56%
**74
97%
Alliant Reloder-23
<<locked>>
81%
34766
54%
**38
100%
Alliant Reloder-25
<<locked>>
81%
30298
47%
**69
98%
Alliant Reloder-26
<<locked>>
81%
38029
60%
**65
100%
[Alliant Reloder-33]*
<<locked>>
93%
35288
55%
**13
90%
[Hodgdon H1000]*
<<locked>>
82%
27514
43%
**44
90%
Hodgdon H4350
<<locked>>
81%
43990
69%
**33
99%
[Hodgdon H4831]*
<<locked>>
81%
33866
53%
**75
93%
Hodgdon H4831 SC
<<locked>>
81%
37855
59%
**57
95%
Hodgdon Hybrid 100V
<<locked>>
81%
43656
68%
**23
100%
Hodgdon LVR
<<locked>>
81%
50836
80%
**64
100%
[Hodgdon Retumbo]*
<<locked>>
81%
24279
38%
**95
91%
Hodgdon Superperformance
<<locked>>
81%
49748
78%
**07
100%
IMR 4350
<<locked>>
81%
46427
73%
**72
99%
IMR 4451 Enduron
<<locked>>
81%
52475
82%
**51
100%
IMR 4831
<<locked>>
81%
41858
66%
**13
100%
IMR 4955 Enduron
<<locked>>
81%
38043
60%
**28
95%
IMR 7828 SSC
<<locked>>
81%
36738
58%
**93
95%
[IMR 7977 Enduron]*
<<locked>>
92%
44817
70%
**13
90%
[IMR 8133 Enduron]*
<<locked>>
88%
26876
42%
**90
90%
Lovex S065
<<locked>>
81%
49821
78%
**02
100%
Lovex S070
<<locked>>
81%
48153
75%
**98
100%
Lovex S071
<<locked>>
81%
31212
49%
**10
98%
Norma 204
<<locked>>
81%
46557
73%
**11
99%
[Norma 217]*
<<locked>>
83%
23264
36%
**95
90%
Norma MRP
<<locked>>
81%
37550
59%
**29
98%
Norma URP
<<locked>>
81%
47413
74%
**15
100%
Ramshot Hunter
<<locked>>
81%
46224
72%
**18
100%
Ramshot Magnum
<<locked>>
81%
33185
52%
**18
97%
ReloadSwiss RS 60
<<locked>>
81%
51750
81%
**26
100%
ReloadSwiss RS 62
<<locked>>
81%
48341
76%
**48
100%
ReloadSwiss RS 70
<<locked>>
81%
46441
73%
**67
100%
ReloadSwiss RS 76
<<locked>>
81%
28297
44%
**52
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
29631
46%
**75
90%
Rottweil R 904
<<locked>>
81%
41829
66%
**10
97%
Rottweil R 905
<<locked>>
81%
39842
62%
**10
98%
Rottweil R 907
<<locked>>
81%
51053
80%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
48863
77%
**62
100%
Shooters World Long Rifle
<<locked>>
81%
49821
78%
**02
100%
Somchem S361
<<locked>>
81%
42351
66%
**97
96%
Somchem S365
<<locked>>
81%
44512
70%
**75
100%
Somchem S385
<<locked>>
81%
40379
63%
**93
99%
Vihtavuori N150
<<locked>>
81%
47805
75%
**29
100%
Vihtavuori N160
<<locked>>
81%
50807
80%
**34
100%
Vihtavuori N165
<<locked>>
81%
33895
53%
**62
96%
[Vihtavuori N170]*
<<locked>>
94%
38725
61%
**74
90%
Vihtavuori N550
<<locked>>
81%
51605
81%
**77
100%
Vihtavuori N555
<<locked>>
81%
38986
61%
**03
100%
Vihtavuori N560
<<locked>>
81%
36201
57%
**87
95%
[Vihtavuori N565]*
<<locked>>
81%
30951
49%
**62
93%
[Vihtavuori N568]*
<<locked>>
85%
30966
49%
**92
90%
[Vihtavuori N570]*
<<locked>>
91%
35868
56%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47892
75%
**75
100%
Winchester StaBALL HD
<<locked>>
81%
30603
48%
**70
100%

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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