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Load data for 8.5 mm Messner Magnum + .338 | 160gr | Barnes X S

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Recommended Powder(s):

8.5 mm Messner Magnum + .338 | 160gr | Barnes X S

Load Specifications

Bullet:
.338 | 160gr | Barnes X S
Manufacturer SKU:
33878
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.070" | 27.2mm
Caliber:
8.5 mm Messner Magnum
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.413" | 86.7mm
Seated Depth:
0.165" | 4.2mm
Shank Seated Depth:
0.165" | 4.2mm
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_B658_C1203

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 156 loads in caliber 8.5 mm Messner Magnum with .338 | 160gr | Barnes X S bullet and 78 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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    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.

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>>
88%
56869
89%
**32
100%
ADI AR 2209
<<locked>>
97%
52533
82%
**22
95%
Accurate 2700
<<locked>>
89%
57188
90%
**66
97%
Accurate 3100
<<locked>>
97%
47181
74%
**74
96%
Accurate 4064
<<locked>>
85%
57014
89%
**09
100%
Accurate 4350
<<locked>>
93%
56840
89%
**97
99%
Alliant Reloder- TS 15.5
<<locked>>
88%
57203
90%
**55
100%
Alliant Reloder-15
<<locked>>
85%
56971
89%
**61
100%
Alliant Reloder-16 👍
<<locked>>
96%
57058
89%
**53
100%
Alliant Reloder-17 👍
<<locked>>
91%
56898
89%
**69
100%
Alliant Reloder-19
<<locked>>
97%
51532
81%
**09
95%
[Alliant Reloder-22]*
<<locked>>
97%
46108
72%
**33
93%
Alliant Reloder-23
<<locked>>
97%
43845
69%
**97
99%
[Alliant Reloder-25]*
<<locked>>
97%
39117
61%
**79
94%
Alliant Reloder-26
<<locked>>
97%
49443
77%
**84
98%
Baschieri & Pellagri 107
<<locked>>
83%
57392
90%
**74
100%
Hodgdon CFE223
<<locked>>
86%
56840
89%
**87
99%
Hodgdon H380
<<locked>>
87%
56724
89%
**45
99%
Hodgdon H414
<<locked>>
90%
56913
89%
**01
97%
Hodgdon H4350
<<locked>>
97%
56623
89%
**35
97%
Hodgdon Hybrid 100V
<<locked>>
97%
56072
88%
**55
100%
Hodgdon LVR
<<locked>>
92%
57377
90%
**94
99%
Hodgdon Superperformance
<<locked>>
93%
56971
89%
**27
97%
Hodgdon VARGET
<<locked>>
88%
57087
89%
**32
100%
Hodgdon TrailBoss
<<locked>>
97%
35012
55%
**24
100%
IMR 3031
<<locked>>
85%
57116
89%
**38
100%
IMR 4064
<<locked>>
89%
57174
90%
**32
100%
IMR 4166 Enduron
<<locked>>
90%
57305
90%
**15
98%
IMR 4350
<<locked>>
95%
57217
90%
**38
97%
IMR 4451 Enduron
<<locked>>
91%
57130
90%
**28
97%
IMR 4831
<<locked>>
97%
52881
83%
**02
99%
IMR 4895
<<locked>>
85%
56971
89%
**78
100%
Lovex S060
<<locked>>
84%
57334
90%
**99
100%
Lovex S062
<<locked>>
86%
56956
89%
**22
100%
Lovex S065
<<locked>>
92%
57290
90%
**35
99%
Lovex S070
<<locked>>
94%
56884
89%
**48
98%
[Lovex S071]*
<<locked>>
97%
39987
63%
**20
94%
Norma 203B
<<locked>>
86%
57348
90%
**64
100%
Norma 204
<<locked>>
95%
57014
89%
**78
96%
Norma MRP
<<locked>>
97%
48950
77%
**25
96%
Norma URP 👍
<<locked>>
95%
57305
90%
**01
99%
Ramshot Big Game
<<locked>>
86%
57087
89%
**78
100%
Ramshot Hunter
<<locked>>
96%
57145
90%
**10
98%
[Ramshot Magnum]*
<<locked>>
97%
45034
71%
**64
93%
ReloadSwiss RS 14
<<locked>>
96%
35433
56%
**70
100%
ReloadSwiss RS 50
<<locked>>
87%
57217
90%
**38
98%
ReloadSwiss RS 52
<<locked>>
86%
57363
90%
**91
100%
ReloadSwiss RS 60
<<locked>>
92%
56753
89%
**86
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
57203
90%
**23
99%
ReloadSwiss RS 70
<<locked>>
95%
57029
89%
**60
99%
Rottweil R 902
<<locked>>
85%
57232
90%
**99
100%
Rottweil R 903
<<locked>>
89%
57217
90%
**51
100%
[Rottweil R 904]*
<<locked>>
97%
54621
86%
**92
94%
Rottweil R 905
<<locked>>
97%
50966
80%
**89
95%
Rottweil R 907
<<locked>>
91%
57305
90%
**32
97%
SNPE Vectan SP 11
<<locked>>
88%
56826
89%
**87
100%
SNPE Vectan SP 9
<<locked>>
84%
56753
89%
**41
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
57334
90%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
57276
90%
**27
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57348
90%
**76
98%
Shooters World Long Rifle
<<locked>>
92%
57290
90%
**35
99%
Shooters World Precision
<<locked>>
86%
56956
89%
**22
100%
Somchem S355
<<locked>>
89%
57232
90%
**38
100%
[Somchem S361]*
<<locked>>
97%
56782
89%
**82
93%
Somchem S365 👍
<<locked>>
97%
55898
88%
**14
100%
Somchem S385
<<locked>>
97%
52431
82%
**82
96%
Vihtavuori N133
<<locked>>
85%
57014
89%
**10
100%
Vihtavuori N135
<<locked>>
90%
56956
89%
**66
100%
Vihtavuori N140
<<locked>>
85%
57363
90%
**76
100%
Vihtavuori N150
<<locked>>
94%
57319
90%
**09
100%
Vihtavuori N160
<<locked>>
92%
57406
90%
**58
99%
[Vihtavuori N165]*
<<locked>>
97%
43584
68%
**89
93%
Vihtavuori N540
<<locked>>
85%
56826
89%
**05
100%
Vihtavuori N550
<<locked>>
92%
57087
89%
**01
99%
Vihtavuori N555
<<locked>>
97%
48776
76%
**92
99%
Winchester 6.5 StaBALL
<<locked>>
94%
57305
90%
**35
100%
Winchester 760
<<locked>>
90%
56913
89%
**01
97%
Winchester StaBALL HD
<<locked>>
97%
40059
63%
**14
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46151
72%
**31
98%
[ADI AR 2209]*
<<locked>>
89%
40901
64%
**63
90%
[Accurate 2700]*
<<locked>>
81%
44991
71%
**36
94%
[Accurate 3100]*
<<locked>>
84%
31546
49%
**97
90%
Accurate 4064
<<locked>>
81%
50531
79%
**04
100%
Accurate 4350
<<locked>>
81%
38247
60%
**10
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
46818
73%
**64
99%
Alliant Reloder-15
<<locked>>
81%
50053
78%
**36
99%
Alliant Reloder-16
<<locked>>
81%
36738
58%
**00
95%
Alliant Reloder-17
<<locked>>
81%
41176
65%
**41
98%
[Alliant Reloder-19]*
<<locked>>
88%
39755
62%
**30
90%
[Alliant Reloder-22]*
<<locked>>
92%
39479
62%
**69
90%
[Alliant Reloder-23]*
<<locked>>
81%
27804
44%
**35
92%
[Alliant Reloder-25]*
<<locked>>
91%
32982
52%
**95
90%
[Alliant Reloder-26]*
<<locked>>
82%
30777
48%
**72
90%
Baschieri & Pellagri 107
<<locked>>
81%
53766
84%
**09
99%
Hodgdon CFE223
<<locked>>
81%
48370
76%
**33
98%
Hodgdon H380
<<locked>>
81%
47747
75%
**81
98%
[Hodgdon H414]*
<<locked>>
81%
42554
67%
**18
94%
[Hodgdon H4350]*
<<locked>>
81%
36187
57%
**95
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34505
54%
**95
96%
Hodgdon LVR
<<locked>>
81%
40263
63%
**59
95%
[Hodgdon Superperformance]*
<<locked>>
81%
38711
61%
**30
91%
Hodgdon VARGET
<<locked>>
81%
45948
72%
**22
98%
Hodgdon TrailBoss
<<locked>>
81%
27949
44%
**57
100%
IMR 3031
<<locked>>
81%
51024
80%
**40
100%
IMR 4064
<<locked>>
81%
45397
71%
**12
98%
IMR 4166 Enduron
<<locked>>
81%
44933
70%
**59
95%
[IMR 4350]*
<<locked>>
81%
37434
59%
**28
91%
[IMR 4451 Enduron]*
<<locked>>
81%
43018
67%
**53
94%
[IMR 4831]*
<<locked>>
81%
33402
52%
**69
94%
IMR 4895
<<locked>>
81%
51198
80%
**76
99%
Lovex S060
<<locked>>
81%
53200
83%
**23
100%
Lovex S062
<<locked>>
81%
49110
77%
**77
100%
Lovex S065
<<locked>>
81%
41147
64%
**10
95%
[Lovex S070]*
<<locked>>
81%
39465
62%
**74
93%
[Lovex S071]*
<<locked>>
89%
31473
49%
**97
90%
Norma 203B
<<locked>>
81%
49400
77%
**23
99%
[Norma 204]*
<<locked>>
84%
40030
63%
**23
90%
[Norma MRP]*
<<locked>>
88%
36230
57%
**13
90%
Norma URP
<<locked>>
81%
37405
59%
**97
95%
Ramshot Big Game
<<locked>>
81%
49197
77%
**36
99%
[Ramshot Hunter]*
<<locked>>
81%
36434
57%
**61
92%
[Ramshot Magnum]*
<<locked>>
93%
39218
61%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
28485
45%
**00
100%
ReloadSwiss RS 50
<<locked>>
81%
47790
75%
**54
96%
ReloadSwiss RS 52
<<locked>>
81%
48704
76%
**43
100%
ReloadSwiss RS 60
<<locked>>
81%
39943
63%
**35
99%
ReloadSwiss RS 62
<<locked>>
81%
37333
58%
**17
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
36419
57%
**97
93%
Rottweil R 902
<<locked>>
81%
51300
80%
**00
100%
Rottweil R 903
<<locked>>
81%
44889
70%
**15
99%
[Rottweil R 904]*
<<locked>>
89%
43294
68%
**69
90%
[Rottweil R 905]*
<<locked>>
88%
38798
61%
**20
90%
[Rottweil R 907]*
<<locked>>
81%
42351
66%
**27
93%
SNPE Vectan SP 11
<<locked>>
81%
45208
71%
**68
99%
SNPE Vectan SP 9
<<locked>>
81%
52605
82%
**63
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
54157
85%
**91
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45716
72%
**30
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
40408
63%
**44
93%
Shooters World Long Rifle
<<locked>>
81%
41147
64%
**10
95%
Shooters World Precision
<<locked>>
81%
49110
77%
**77
100%
Somchem S355
<<locked>>
81%
45339
71%
**28
99%
[Somchem S361]*
<<locked>>
91%
46151
72%
**86
90%
Somchem S365
<<locked>>
81%
34113
53%
**54
98%
[Somchem S385]*
<<locked>>
85%
35998
56%
**15
90%
Vihtavuori N133
<<locked>>
81%
51111
80%
**25
100%
Vihtavuori N135
<<locked>>
81%
44019
69%
**46
100%
Vihtavuori N140
<<locked>>
81%
50270
79%
**68
100%
Vihtavuori N150
<<locked>>
81%
38870
61%
**54
99%
Vihtavuori N160
<<locked>>
81%
40190
63%
**27
96%
[Vihtavuori N165]*
<<locked>>
92%
37637
59%
**41
90%
Vihtavuori N540
<<locked>>
81%
50082
78%
**87
100%
Vihtavuori N550
<<locked>>
81%
41292
65%
**86
96%
[Vihtavuori N555]*
<<locked>>
81%
30211
47%
**23
93%
Winchester 6.5 StaBALL
<<locked>>
81%
38029
60%
**61
98%
[Winchester 760]*
<<locked>>
81%
42554
67%
**18
94%
[Winchester StaBALL HD]*
<<locked>>
83%
26890
42%
**41
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.

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