top of page

Load data for 8.5 mm Messner Magnum + .338 | 225gr | Barnes XLC S

Recommended Powder(s): Accurate 3100, Alliant Reloder-26, Norma MRP, Ramshot Hunter, Somchem S385

8.5 mm Messner Magnum + .338 | 225gr | Barnes XLC S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Barnes XLC S
Manufacturer SKU:
33855
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.370" | 34.8mm
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:
0.465" | 11.8mm
Shank Seated Depth:
0.465" | 11.8mm
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_B678_C1203
Last updated:
2025-01-01

Load data for 146 loads in caliber 8.5 mm Messner Magnum with .338 | 225gr | Barnes XLC S bullet and 73 powders such as Accurate 3100, Alliant Reloder-26, Norma MRP, 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.

    .

    Loading_icon.gif

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>>
83%
57000
89%
**59
100%
ADI AR 2209
<<locked>>
94%
57435
90%
**67
99%
ADI AR 2213
<<locked>>
97%
55999
88%
**77
98%
[ADI AR 2217]*
<<locked>>
97%
41843
66%
**05
94%
ADI AR 2225
<<locked>>
97%
37507
59%
**72
96%
Accurate 2700
<<locked>>
84%
57232
90%
**33
99%
Accurate 3100 👍
<<locked>>
97%
56724
89%
**02
100%
Accurate 4350
<<locked>>
88%
56956
89%
**22
100%
Accurate MAGPRO
<<locked>>
97%
54955
86%
**84
96%
Alliant Reloder-16
<<locked>>
90%
57348
90%
**71
100%
Alliant Reloder-17
<<locked>>
86%
57421
90%
**77
100%
Alliant Reloder-19
<<locked>>
94%
56855
89%
**58
99%
Alliant Reloder-22
<<locked>>
97%
55999
88%
**84
99%
Alliant Reloder-23
<<locked>>
97%
53084
83%
**12
100%
Alliant Reloder-25
<<locked>>
97%
46166
72%
**49
100%
Alliant Reloder-26 👍
<<locked>>
95%
57232
90%
**56
100%
[Hodgdon H1000]*
<<locked>>
97%
41843
66%
**05
94%
Hodgdon H414
<<locked>>
85%
56724
89%
**44
100%
Hodgdon H4350
<<locked>>
92%
56840
89%
**99
99%
Hodgdon H4831
<<locked>>
97%
52040
82%
**59
96%
Hodgdon H4831 SC
<<locked>>
96%
56695
89%
**35
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57145
90%
**85
100%
Hodgdon LVR
<<locked>>
87%
57421
90%
**38
100%
Hodgdon Retumbo
<<locked>>
97%
37507
59%
**72
96%
Hodgdon Superperformance
<<locked>>
87%
56884
89%
**77
100%
Hodgdon VARGET
<<locked>>
84%
57305
90%
**69
100%
Hodgdon TrailBoss
<<locked>>
97%
35665
56%
**03
100%
IMR 4064
<<locked>>
84%
56927
89%
**53
100%
IMR 4166 Enduron
<<locked>>
85%
57130
90%
**59
100%
IMR 4350
<<locked>>
90%
56898
89%
**99
99%
IMR 4451 Enduron
<<locked>>
86%
56884
89%
**82
100%
IMR 4831
<<locked>>
94%
57363
90%
**15
100%
IMR 4955 Enduron
<<locked>>
97%
57116
90%
**99
97%
IMR 7828 SSC
<<locked>>
96%
56811
89%
**10
98%
Lovex S065
<<locked>>
87%
57087
89%
**72
100%
Lovex S070
<<locked>>
88%
56840
89%
**89
100%
Lovex S071
<<locked>>
97%
48225
76%
**74
99%
Norma 204
<<locked>>
89%
56710
89%
**31
99%
[Norma 217]*
<<locked>>
97%
33533
53%
**00
94%
Norma MRP 👍
<<locked>>
96%
57014
89%
**36
100%
Norma URP
<<locked>>
89%
56956
89%
**28
100%
Ramshot Hunter 👍
<<locked>>
90%
57392
90%
**61
100%
Ramshot Magnum
<<locked>>
97%
53983
85%
**41
99%
ReloadSwiss RS 14
<<locked>>
96%
36361
57%
**42
100%
ReloadSwiss RS 60
<<locked>>
87%
57406
90%
**00
100%
ReloadSwiss RS 62
<<locked>>
88%
57043
89%
**54
100%
ReloadSwiss RS 70
<<locked>>
90%
57188
90%
**00
100%
ReloadSwiss RS 76
<<locked>>
97%
45382
71%
**89
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
40814
64%
**64
92%
Rottweil R 903
<<locked>>
84%
57319
90%
**72
100%
Rottweil R 904
<<locked>>
93%
57290
90%
**08
98%
Rottweil R 905
<<locked>>
95%
57232
90%
**61
99%
Rottweil R 907
<<locked>>
87%
57072
89%
**76
99%
SNPE Vectan SP 11
<<locked>>
83%
57319
90%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57130
90%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57348
90%
**36
100%
Shooters World Long Rifle
<<locked>>
87%
57087
89%
**72
100%
Somchem S355
<<locked>>
84%
56884
89%
**62
100%
Somchem S361
<<locked>>
92%
56768
89%
**69
97%
Somchem S365
<<locked>>
92%
57406
90%
**44
100%
Somchem S385 👍
<<locked>>
94%
57043
89%
**22
99%
Vihtavuori N135
<<locked>>
85%
57421
90%
**77
100%
Vihtavuori N150
<<locked>>
89%
57363
90%
**30
100%
Vihtavuori N160
<<locked>>
87%
56840
89%
**92
100%
Vihtavuori N165
<<locked>>
97%
52112
82%
**36
99%
Vihtavuori N550
<<locked>>
86%
57072
89%
**35
100%
Vihtavuori N555
<<locked>>
96%
57406
90%
**61
100%
Vihtavuori N560
<<locked>>
97%
55651
87%
**00
97%
Vihtavuori N565
<<locked>>
97%
48167
75%
**62
96%
[Vihtavuori N568]*
<<locked>>
97%
42235
66%
**74
92%
Winchester 6.5 StaBALL
<<locked>>
89%
57319
90%
**76
100%
Winchester 760
<<locked>>
85%
56724
89%
**44
100%
Winchester StaBALL HD
<<locked>>
97%
48849
77%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53040
83%
**03
100%
[ADI AR 2209]*
<<locked>>
81%
37826
59%
**03
94%
[ADI AR 2213]*
<<locked>>
81%
34011
53%
**25
90%
[ADI AR 2217]*
<<locked>>
90%
34243
54%
**18
90%
[ADI AR 2225]*
<<locked>>
87%
28514
45%
**00
90%
Accurate 2700
<<locked>>
81%
51663
81%
**51
99%
Accurate 3100
<<locked>>
81%
34505
54%
**98
96%
Accurate 4350
<<locked>>
81%
45672
72%
**44
100%
[Accurate MAGPRO]*
<<locked>>
86%
38130
60%
**49
90%
Alliant Reloder-16
<<locked>>
81%
42975
67%
**38
100%
Alliant Reloder-17
<<locked>>
81%
49168
77%
**53
100%
[Alliant Reloder-19]*
<<locked>>
81%
37898
59%
**07
94%
[Alliant Reloder-22]*
<<locked>>
81%
34011
53%
**48
93%
Alliant Reloder-23
<<locked>>
81%
32822
51%
**25
99%
[Alliant Reloder-25]*
<<locked>>
81%
29022
45%
**29
94%
Alliant Reloder-26
<<locked>>
81%
35288
55%
**46
98%
[Hodgdon H1000]*
<<locked>>
90%
34243
54%
**18
90%
Hodgdon H414
<<locked>>
81%
50546
79%
**49
99%
Hodgdon H4350
<<locked>>
81%
41568
65%
**30
97%
[Hodgdon H4831]*
<<locked>>
84%
34954
55%
**05
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35592
56%
**28
91%
Hodgdon Hybrid 100V
<<locked>>
81%
40886
64%
**33
100%
Hodgdon LVR
<<locked>>
81%
47297
74%
**74
100%
[Hodgdon Retumbo]*
<<locked>>
87%
28514
45%
**00
90%
Hodgdon Superperformance
<<locked>>
81%
45484
71%
**97
98%
Hodgdon VARGET
<<locked>>
81%
52591
82%
**00
100%
Hodgdon TrailBoss
<<locked>>
91%
32735
51%
**47
100%
IMR 4064
<<locked>>
81%
52170
82%
**80
100%
IMR 4166 Enduron
<<locked>>
81%
50836
80%
**54
99%
IMR 4350
<<locked>>
81%
43424
68%
**59
97%
IMR 4451 Enduron
<<locked>>
81%
49240
77%
**54
99%
IMR 4831
<<locked>>
81%
39407
62%
**10
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35984
56%
**98
91%
[IMR 7828 SSC]*
<<locked>>
81%
34824
55%
**61
91%
Lovex S065
<<locked>>
81%
47369
74%
**15
99%
Lovex S070
<<locked>>
81%
45701
72%
**02
98%
[Lovex S071]*
<<locked>>
81%
30342
48%
**90
94%
Norma 204
<<locked>>
81%
43410
68%
**02
96%
[Norma 217]*
<<locked>>
91%
28747
45%
**56
90%
Norma MRP
<<locked>>
81%
35230
55%
**07
95%
Norma URP
<<locked>>
81%
44309
69%
**18
100%
Ramshot Hunter
<<locked>>
81%
42946
67%
**08
98%
[Ramshot Magnum]*
<<locked>>
81%
31386
49%
**72
92%
ReloadSwiss RS 14
<<locked>>
86%
31517
49%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
47427
74%
**46
100%
ReloadSwiss RS 62
<<locked>>
81%
45078
71%
**57
100%
ReloadSwiss RS 70
<<locked>>
81%
43105
68%
**64
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
28906
45%
**39
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
36579
57%
**59
90%
Rottweil R 903
<<locked>>
81%
52417
82%
**00
100%
[Rottweil R 904]*
<<locked>>
81%
39189
61%
**87
93%
[Rottweil R 905]*
<<locked>>
81%
37173
58%
**87
94%
Rottweil R 907
<<locked>>
81%
48138
75%
**35
98%
SNPE Vectan SP 11
<<locked>>
81%
53055
83%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52518
82%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46253
72%
**59
98%
Shooters World Long Rifle
<<locked>>
81%
47369
74%
**15
99%
Somchem S355
<<locked>>
81%
52417
82%
**00
100%
[Somchem S361]*
<<locked>>
81%
39943
63%
**74
93%
Somchem S365
<<locked>>
81%
40988
64%
**85
100%
Somchem S385
<<locked>>
81%
38189
60%
**80
96%
Vihtavuori N135
<<locked>>
81%
51097
80%
**92
100%
Vihtavuori N150
<<locked>>
81%
45092
71%
**49
100%
Vihtavuori N160
<<locked>>
81%
47282
74%
**41
100%
[Vihtavuori N165]*
<<locked>>
81%
32082
50%
**33
93%
Vihtavuori N550
<<locked>>
81%
48225
76%
**90
100%
Vihtavuori N555
<<locked>>
81%
36564
57%
**97
99%
[Vihtavuori N560]*
<<locked>>
81%
34345
54%
**61
90%
[Vihtavuori N565]*
<<locked>>
85%
33098
52%
**34
90%
[Vihtavuori N568]*
<<locked>>
93%
37985
60%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44556
70%
**79
100%
Winchester 760
<<locked>>
81%
50546
79%
**49
99%
Winchester StaBALL HD
<<locked>>
81%
26919
42%
**31
99%

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

bottom of page