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Load data for 8.5 mm Messner Magnum + .338 | 250gr | Target Virtus

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Somchem S385, Vihtavuori N555

8.5 mm Messner Magnum + .338 | 250gr | Target Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Target Virtus
Manufacturer SKU:
Target-0.338-250
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.680" | 42.7mm
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:
0.775" | 19.7mm
Shank Seated Depth:
0.566" | 14.4mm
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_B10769_C1203
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 154 loads in caliber 8.5 mm Messner Magnum with .338 | 250gr | Target Virtus bullet and 77 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Somchem S385, Vihtavuori N555. 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>>
85%
57130
90%
**21
100%
ADI AR 2209
<<locked>>
96%
56971
89%
**23
99%
ADI AR 2213
<<locked>>
97%
52373
82%
**87
98%
[ADI AR 2217]*
<<locked>>
97%
38087
60%
**15
94%
ADI AR 2225
<<locked>>
97%
33301
52%
**65
95%
Accurate 2700
<<locked>>
86%
57392
90%
**02
100%
Accurate 3100
<<locked>>
97%
51039
80%
**95
100%
Accurate 4064
<<locked>>
84%
57348
90%
**92
100%
Accurate 4350
<<locked>>
91%
57058
89%
**90
100%
Accurate MAGPRO
<<locked>>
97%
50749
80%
**90
96%
Alliant Reloder- TS 15.5
<<locked>>
85%
56913
89%
**28
100%
Alliant Reloder-16
<<locked>>
92%
56956
89%
**30
100%
Alliant Reloder-17
<<locked>>
88%
57203
90%
**33
100%
Alliant Reloder-19
<<locked>>
97%
57421
90%
**26
99%
Alliant Reloder-22
<<locked>>
97%
51561
81%
**90
99%
Alliant Reloder-23
<<locked>>
97%
48588
76%
**15
100%
Alliant Reloder-25
<<locked>>
97%
42119
66%
**52
100%
Alliant Reloder-26 👍
<<locked>>
97%
55695
87%
**02
100%
Hodgdon CFE223
<<locked>>
83%
57421
90%
**90
100%
[Hodgdon H1000]*
<<locked>>
97%
38087
60%
**15
94%
Hodgdon H380
<<locked>>
84%
57348
90%
**54
100%
Hodgdon H414
<<locked>>
87%
57305
90%
**13
100%
Hodgdon H4350
<<locked>>
94%
57421
90%
**71
100%
Hodgdon H4831
<<locked>>
97%
48283
76%
**75
96%
Hodgdon H4831 SC
<<locked>>
97%
54998
86%
**71
98%
Hodgdon Hybrid 100V
<<locked>>
94%
57174
90%
**48
100%
Hodgdon LVR
<<locked>>
89%
57188
90%
**87
100%
Hodgdon Retumbo
<<locked>>
97%
33301
52%
**65
95%
Hodgdon Superperformance
<<locked>>
89%
57217
90%
**49
100%
Hodgdon VARGET
<<locked>>
86%
57130
90%
**21
100%
IMR 4064
<<locked>>
86%
57000
89%
**08
100%
IMR 4166 Enduron
<<locked>>
87%
57334
90%
**25
100%
IMR 4350
<<locked>>
92%
56826
89%
**61
100%
IMR 4451 Enduron
<<locked>>
88%
57188
90%
**48
100%
IMR 4831
<<locked>>
96%
56855
89%
**74
100%
IMR 4955 Enduron
<<locked>>
97%
53824
84%
**25
98%
IMR 7828 SSC
<<locked>>
97%
53388
84%
**20
98%
Lovex S062
<<locked>>
84%
57363
90%
**05
100%
Lovex S065
<<locked>>
90%
57145
90%
**35
100%
Lovex S070
<<locked>>
91%
57000
89%
**57
100%
Lovex S071
<<locked>>
97%
42801
67%
**67
99%
Norma 203B
<<locked>>
83%
57203
90%
**48
100%
Norma 204 👍
<<locked>>
92%
57232
90%
**07
99%
[Norma 217]*
<<locked>>
97%
29066
46%
**83
92%
Norma MRP
<<locked>>
97%
54607
86%
**59
100%
Norma URP
<<locked>>
91%
56826
89%
**87
100%
Ramshot Hunter 👍
<<locked>>
92%
56797
89%
**17
100%
Ramshot Magnum
<<locked>>
97%
49864
78%
**48
99%
ReloadSwiss RS 50
<<locked>>
84%
57145
90%
**44
100%
ReloadSwiss RS 60
<<locked>>
89%
57276
90%
**49
100%
ReloadSwiss RS 62
<<locked>>
91%
57029
89%
**13
100%
ReloadSwiss RS 70
<<locked>>
92%
57305
90%
**66
100%
ReloadSwiss RS 76
<<locked>>
97%
41075
64%
**79
98%
Rottweil R 903
<<locked>>
86%
57145
90%
**31
100%
Rottweil R 904
<<locked>>
95%
57348
90%
**80
99%
Rottweil R 905
<<locked>>
97%
56942
89%
**20
99%
Rottweil R 907
<<locked>>
89%
57392
90%
**51
100%
SNPE Vectan SP 11
<<locked>>
85%
57348
90%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57101
89%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56985
89%
**02
100%
Shooters World Long Rifle
<<locked>>
90%
57145
90%
**35
100%
Shooters World Precision
<<locked>>
84%
57363
90%
**05
100%
Somchem S355
<<locked>>
86%
57116
90%
**31
100%
Somchem S361
<<locked>>
94%
57305
90%
**51
98%
Somchem S365
<<locked>>
94%
57334
90%
**97
100%
Somchem S385 👍
<<locked>>
97%
56898
89%
**84
100%
Vihtavuori N135
<<locked>>
88%
57392
90%
**39
100%
Vihtavuori N150
<<locked>>
91%
57029
89%
**92
100%
Vihtavuori N160
<<locked>>
89%
57290
90%
**57
100%
Vihtavuori N165
<<locked>>
97%
48269
76%
**52
99%
Vihtavuori N550
<<locked>>
89%
57000
89%
**90
100%
Vihtavuori N555 👍
<<locked>>
97%
54157
85%
**80
100%
Vihtavuori N560
<<locked>>
97%
51750
81%
**07
97%
Vihtavuori N565
<<locked>>
97%
43294
68%
**52
96%
Winchester 6.5 StaBALL
<<locked>>
90%
56840
89%
**25
100%
Winchester 760
<<locked>>
87%
57305
90%
**13
100%
Winchester StaBALL HD
<<locked>>
97%
43787
69%
**71
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50009
78%
**26
100%
[ADI AR 2209]*
<<locked>>
81%
34476
54%
**13
94%
[ADI AR 2213]*
<<locked>>
82%
31372
49%
**57
90%
[ADI AR 2217]*
<<locked>>
92%
32068
50%
**64
90%
[ADI AR 2225]*
<<locked>>
90%
26527
42%
**59
90%
Accurate 2700
<<locked>>
81%
47935
75%
**70
99%
Accurate 3100
<<locked>>
81%
29530
46%
**88
95%
Accurate 4064
<<locked>>
81%
52808
83%
**33
100%
Accurate 4350
<<locked>>
81%
40480
63%
**34
100%
[Accurate MAGPRO]*
<<locked>>
87%
35230
55%
**85
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50444
79%
**43
100%
Alliant Reloder-16
<<locked>>
81%
39450
62%
**44
100%
Alliant Reloder-17
<<locked>>
81%
45397
71%
**66
100%
[Alliant Reloder-19]*
<<locked>>
81%
34171
54%
**10
94%
[Alliant Reloder-22]*
<<locked>>
81%
29979
47%
**47
92%
Alliant Reloder-23
<<locked>>
81%
28761
45%
**21
98%
[Alliant Reloder-25]*
<<locked>>
81%
25266
40%
**26
93%
Alliant Reloder-26
<<locked>>
81%
30937
48%
**33
97%
Hodgdon CFE223
<<locked>>
81%
53359
84%
**31
100%
[Hodgdon H1000]*
<<locked>>
92%
32068
50%
**64
90%
Hodgdon H380
<<locked>>
81%
51343
80%
**72
100%
Hodgdon H414
<<locked>>
81%
46528
73%
**52
99%
Hodgdon H4350
<<locked>>
81%
38189
60%
**46
97%
[Hodgdon H4831]*
<<locked>>
84%
32184
50%
**44
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32489
51%
**51
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36956
58%
**39
100%
Hodgdon LVR
<<locked>>
81%
43439
68%
**80
100%
[Hodgdon Retumbo]*
<<locked>>
90%
26527
42%
**59
90%
Hodgdon Superperformance
<<locked>>
81%
41684
65%
**00
98%
Hodgdon VARGET
<<locked>>
81%
49429
77%
**16
100%
IMR 4064
<<locked>>
81%
49168
77%
**03
100%
IMR 4166 Enduron
<<locked>>
81%
47935
75%
**77
99%
IMR 4350
<<locked>>
81%
40089
63%
**79
97%
IMR 4451 Enduron
<<locked>>
81%
46151
72%
**70
99%
IMR 4831
<<locked>>
81%
35360
55%
**13
99%
[IMR 4955 Enduron]*
<<locked>>
81%
32793
51%
**21
91%
[IMR 7828 SSC]*
<<locked>>
81%
31531
49%
**77
90%
Lovex S062
<<locked>>
81%
52794
83%
**43
100%
Lovex S065
<<locked>>
81%
43352
68%
**25
99%
Lovex S070
<<locked>>
81%
41669
65%
**15
98%
[Lovex S071]*
<<locked>>
81%
25396
40%
**73
93%
Norma 203B
<<locked>>
81%
53258
83%
**92
100%
Norma 204
<<locked>>
81%
39885
62%
**18
96%
[Norma 217]*
<<locked>>
94%
26614
42%
**01
90%
[Norma MRP]*
<<locked>>
81%
31183
49%
**06
94%
Norma URP
<<locked>>
81%
40466
63%
**34
100%
Ramshot Hunter
<<locked>>
81%
39392
62%
**31
98%
[Ramshot Magnum]*
<<locked>>
81%
27499
43%
**69
91%
ReloadSwiss RS 50
<<locked>>
81%
51300
80%
**62
100%
ReloadSwiss RS 60
<<locked>>
81%
43787
69%
**56
100%
ReloadSwiss RS 62
<<locked>>
81%
40625
64%
**61
99%
ReloadSwiss RS 70
<<locked>>
81%
39291
62%
**67
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
27050
42%
**98
90%
Rottweil R 903
<<locked>>
81%
48109
75%
**07
100%
[Rottweil R 904]*
<<locked>>
81%
35824
56%
**06
93%
[Rottweil R 905]*
<<locked>>
81%
33228
52%
**97
94%
Rottweil R 907
<<locked>>
81%
44498
70%
**48
98%
SNPE Vectan SP 11
<<locked>>
81%
49603
78%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49182
77%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42380
66%
**75
98%
Shooters World Long Rifle
<<locked>>
81%
43352
68%
**25
99%
Shooters World Precision
<<locked>>
81%
52794
83%
**43
100%
Somchem S355
<<locked>>
81%
48240
76%
**07
100%
[Somchem S361]*
<<locked>>
81%
36419
57%
**90
92%
Somchem S365
<<locked>>
81%
36840
58%
**92
100%
Somchem S385
<<locked>>
81%
33750
53%
**83
95%
Vihtavuori N135
<<locked>>
81%
46833
73%
**05
100%
Vihtavuori N150
<<locked>>
81%
41220
65%
**59
100%
Vihtavuori N160
<<locked>>
81%
43598
68%
**57
100%
[Vihtavuori N165]*
<<locked>>
81%
28369
44%
**42
92%
Vihtavuori N550
<<locked>>
81%
44338
69%
**00
100%
Vihtavuori N555
<<locked>>
81%
31995
50%
**90
98%
[Vihtavuori N560]*
<<locked>>
83%
32140
50%
**06
90%
[Vihtavuori N565]*
<<locked>>
87%
31067
49%
**83
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40959
64%
**02
100%
Winchester 760
<<locked>>
81%
46528
73%
**52
99%
Winchester StaBALL HD
<<locked>>
81%
23018
36%
**15
98%

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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