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Load data for 8.5 mm Messner Magnum + .338 | 160gr | Barnes TTSX BT

Recommended Powder(s):

8.5 mm Messner Magnum + .338 | 160gr | Barnes TTSX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 160gr | Barnes TTSX BT
Manufacturer SKU:
30424
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
8.5 mm Messner Magnum load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B659_C1203
Last updated:
2026-03-28

Load data for 198 loads in caliber 8.5 mm Messner Magnum with .338 | 160gr | Barnes TTSX BT bullet and 99 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".

  • 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>>
87%
56826
89%
**61
100%
ADI AR 2208
<<locked>>
92%
57000
89%
**51
100%
[ADI AR 2209]*
<<locked>>
97%
45498
71%
**74
92%
ADI Benchmark 8208
<<locked>>
85%
57000
89%
**28
100%
Accurate 2015
<<locked>>
83%
56942
89%
**50
100%
Accurate 2200
<<locked>>
85%
57435
90%
**45
99%
Accurate 2495
<<locked>>
86%
57305
90%
**19
100%
Accurate 2520
<<locked>>
85%
57159
90%
**48
100%
Accurate 2700
<<locked>>
93%
57072
89%
**79
96%
[Accurate 3100]*
<<locked>>
97%
37811
59%
**97
93%
Accurate 4064
<<locked>>
91%
57406
90%
**45
100%
Accurate 4350
<<locked>>
97%
53345
84%
**55
99%
Alliant AR-Comp
<<locked>>
85%
57145
90%
**96
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
57261
90%
**99
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
57058
89%
**74
100%
Alliant Reloder-15 👍
<<locked>>
90%
57058
89%
**91
100%
Alliant Reloder-16
<<locked>>
97%
51619
81%
**58
99%
Alliant Reloder-17 👍
<<locked>>
95%
57130
90%
**76
100%
[Alliant Reloder-19]*
<<locked>>
97%
44730
70%
**74
92%
Alliant Reloder-23
<<locked>>
97%
36550
57%
**30
97%
Alliant Reloder-26
<<locked>>
97%
40553
64%
**97
96%
Baschieri & Pellagri 107
<<locked>>
87%
57174
90%
**81
99%
Bofors RP3
<<locked>>
92%
57188
90%
**81
100%
Bofors RP7
<<locked>>
96%
56942
89%
**38
97%
Hodgdon BL-C2
<<locked>>
85%
57319
90%
**84
100%
Hodgdon Benchmark
<<locked>>
84%
56927
89%
**89
100%
Hodgdon CFE223 👍
<<locked>>
90%
57145
90%
**07
99%
Hodgdon H322
<<locked>>
83%
56898
89%
**15
100%
Hodgdon H380
<<locked>>
91%
56753
89%
**64
99%
Hodgdon H414
<<locked>>
94%
56898
89%
**17
97%
Hodgdon H4350
<<locked>>
97%
49777
78%
**17
95%
Hodgdon H4895
<<locked>>
87%
57406
90%
**74
100%
Hodgdon Hybrid 100V
<<locked>>
97%
47601
75%
**17
99%
Hodgdon LVR
<<locked>>
97%
57363
90%
**10
99%
Hodgdon Superperformance
<<locked>>
97%
57305
90%
**43
97%
Hodgdon VARGET
<<locked>>
93%
57406
90%
**51
100%
Hodgdon TrailBoss
<<locked>>
97%
33968
53%
**05
100%
IMR 3031
<<locked>>
89%
56942
89%
**51
100%
IMR 4064
<<locked>>
93%
56884
89%
**38
100%
IMR 4166 Enduron
<<locked>>
93%
57246
90%
**15
97%
IMR 4350
<<locked>>
97%
52417
82%
**69
96%
IMR 4451 Enduron
<<locked>>
94%
56971
89%
**41
97%
IMR 4831
<<locked>>
97%
44947
70%
**77
97%
IMR 4895
<<locked>>
89%
57305
90%
**97
100%
IMR 8208 XBR
<<locked>>
85%
57000
89%
**28
100%
Lovex D073.6
<<locked>>
87%
57159
90%
**48
100%
Lovex S060
<<locked>>
87%
57174
90%
**99
100%
Lovex S062
<<locked>>
91%
57159
90%
**41
100%
Lovex S065
<<locked>>
97%
57000
89%
**41
98%
Lovex S070
<<locked>>
97%
54317
85%
**19
97%
Norma 201
<<locked>>
88%
56927
89%
**32
100%
Norma 202
<<locked>>
87%
57246
90%
**25
100%
Norma 203B
<<locked>>
90%
56768
89%
**84
100%
[Norma 204]*
<<locked>>
97%
53258
83%
**19
94%
[Norma MRP]*
<<locked>>
97%
40959
64%
**54
92%
Norma URP
<<locked>>
97%
52286
82%
**32
99%
Ramshot Big Game 👍
<<locked>>
90%
57101
89%
**91
100%
Ramshot Hunter
<<locked>>
97%
51372
80%
**25
97%
Ramshot TAC
<<locked>>
85%
57174
90%
**45
99%
Ramshot Wild Boar
<<locked>>
85%
57406
90%
**74
100%
ReloadSwiss RS 14
<<locked>>
97%
34214
54%
**47
100%
ReloadSwiss RS 50
<<locked>>
91%
56869
89%
**45
98%
ReloadSwiss RS 52
<<locked>>
88%
57421
90%
**53
100%
ReloadSwiss RS 60
<<locked>>
93%
56971
89%
**83
100%
ReloadSwiss RS 62
<<locked>>
97%
53156
83%
**64
99%
ReloadSwiss RS 70
<<locked>>
97%
53214
83%
**04
98%
Rottweil R 901
<<locked>>
85%
57116
90%
**02
100%
Rottweil R 902
<<locked>>
89%
57145
90%
**28
100%
Rottweil R 903
<<locked>>
94%
56739
89%
**64
100%
[Rottweil R 905]*
<<locked>>
97%
43076
67%
**48
92%
Rottweil R 907
<<locked>>
96%
56942
89%
**38
97%
SNPE Vectan SP 11 👍
<<locked>>
92%
56768
89%
**01
100%
SNPE Vectan SP 7
<<locked>>
86%
57246
90%
**45
99%
SNPE Vectan SP 9
<<locked>>
88%
57087
89%
**58
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
56855
89%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
56942
89%
**33
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
57116
89%
**89
97%
Shooters World Long Rifle
<<locked>>
97%
57000
89%
**41
98%
Shooters World Match Rifle
<<locked>>
87%
57159
90%
**48
100%
Shooters World Precision
<<locked>>
91%
57159
90%
**41
100%
Somchem S335
<<locked>>
87%
57188
90%
**56
100%
Somchem S341
<<locked>>
86%
56971
89%
**38
100%
Somchem S355
<<locked>>
94%
57406
90%
**68
100%
Somchem S365
<<locked>>
97%
47036
74%
**79
100%
[Somchem S385]*
<<locked>>
97%
43830
69%
**35
93%
Vihtavuori N130
<<locked>>
84%
57334
90%
**20
100%
Vihtavuori N133
<<locked>>
89%
57377
90%
**40
100%
Vihtavuori N135
<<locked>>
95%
57363
90%
**96
100%
Vihtavuori N140
<<locked>>
89%
57087
89%
**96
100%
Vihtavuori N150
<<locked>>
97%
53548
84%
**66
100%
Vihtavuori N160
<<locked>>
96%
56768
89%
**68
99%
Vihtavuori N530
<<locked>>
84%
57348
90%
**48
100%
Vihtavuori N540
<<locked>>
89%
57174
90%
**22
100%
Vihtavuori N550
<<locked>>
96%
57203
90%
**20
99%
Vihtavuori N555
<<locked>>
97%
40103
63%
**28
97%
Winchester 6.5 StaBALL
<<locked>>
97%
55608
87%
**19
100%
Winchester 760
<<locked>>
94%
56898
89%
**17
97%
Winchester StaBALL HD
<<locked>>
97%
32445
51%
**84
95%
[Winchester Supreme 780]*
<<locked>>
97%
45818
72%
**48
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47181
74%
**87
99%
ADI AR 2208
<<locked>>
81%
39987
63%
**13
97%
[ADI AR 2209]*
<<locked>>
94%
41524
65%
**92
90%
ADI Benchmark 8208
<<locked>>
81%
49313
77%
**07
100%
Accurate 2015
<<locked>>
81%
53142
83%
**00
100%
Accurate 2200
<<locked>>
81%
49690
78%
**00
98%
Accurate 2495
<<locked>>
81%
48515
76%
**81
100%
Accurate 2520
<<locked>>
81%
49893
78%
**23
100%
[Accurate 2700]*
<<locked>>
81%
38392
60%
**05
91%
[Accurate 3100]*
<<locked>>
92%
31850
50%
**43
90%
Accurate 4064
<<locked>>
81%
40901
64%
**49
100%
[Accurate 4350]*
<<locked>>
81%
29820
47%
**03
91%
Alliant AR-Comp
<<locked>>
81%
50125
79%
**91
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
43482
68%
**20
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
39842
62%
**40
98%
Alliant Reloder-15
<<locked>>
81%
42583
67%
**05
97%
[Alliant Reloder-16]*
<<locked>>
81%
30676
48%
**40
91%
Alliant Reloder-17
<<locked>>
81%
34534
54%
**90
96%
[Alliant Reloder-19]*
<<locked>>
94%
40509
63%
**72
90%
[Alliant Reloder-23]*
<<locked>>
87%
26150
41%
**02
90%
[Alliant Reloder-26]*
<<locked>>
90%
31444
49%
**18
90%
Baschieri & Pellagri 107
<<locked>>
81%
46934
74%
**97
98%
Bofors RP3
<<locked>>
81%
39421
62%
**36
98%
[Bofors RP7]*
<<locked>>
82%
36477
57%
**05
90%
Hodgdon BL-C2
<<locked>>
81%
49603
78%
**43
100%
Hodgdon Benchmark
<<locked>>
81%
51097
80%
**87
100%
Hodgdon CFE223
<<locked>>
81%
41510
65%
**15
97%
Hodgdon H322
<<locked>>
81%
52605
82%
**50
100%
Hodgdon H380
<<locked>>
81%
40306
63%
**36
95%
[Hodgdon H414]*
<<locked>>
81%
35665
56%
**61
90%
[Hodgdon H4350]*
<<locked>>
87%
36564
57%
**28
90%
Hodgdon H4895
<<locked>>
81%
47630
75%
**04
99%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28036
44%
**28
92%
[Hodgdon LVR]*
<<locked>>
81%
33286
52%
**99
92%
[Hodgdon Superperformance]*
<<locked>>
85%
37637
59%
**17
90%
Hodgdon VARGET
<<locked>>
81%
39885
63%
**04
96%
Hodgdon TrailBoss
<<locked>>
81%
26658
42%
**31
100%
IMR 3031
<<locked>>
81%
43381
68%
**28
100%
IMR 4064
<<locked>>
81%
39175
61%
**90
97%
[IMR 4166 Enduron]*
<<locked>>
81%
39015
61%
**48
92%
[IMR 4350]*
<<locked>>
86%
36709
58%
**28
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37159
58%
**22
91%
[IMR 4831]*
<<locked>>
83%
28065
44%
**31
90%
IMR 4895
<<locked>>
81%
43700
68%
**35
98%
IMR 8208 XBR
<<locked>>
81%
49313
77%
**07
100%
Lovex D073.6
<<locked>>
81%
46543
73%
**64
100%
Lovex S060
<<locked>>
81%
47065
74%
**18
99%
Lovex S062
<<locked>>
81%
41858
66%
**59
99%
[Lovex S065]*
<<locked>>
81%
34214
54%
**53
92%
[Lovex S070]*
<<locked>>
83%
34287
54%
**69
90%
Norma 201
<<locked>>
81%
46122
72%
**31
99%
Norma 202
<<locked>>
81%
46659
73%
**45
100%
Norma 203B
<<locked>>
81%
42076
66%
**92
98%
[Norma 204]*
<<locked>>
90%
41321
65%
**69
90%
[Norma MRP]*
<<locked>>
94%
36927
58%
**46
90%
[Norma URP]*
<<locked>>
81%
30501
48%
**26
91%
Ramshot Big Game
<<locked>>
81%
42032
66%
**05
98%
[Ramshot Hunter]*
<<locked>>
84%
33214
52%
**99
90%
Ramshot TAC
<<locked>>
81%
49777
78%
**14
97%
Ramshot Wild Boar
<<locked>>
81%
49153
77%
**27
99%
ReloadSwiss RS 14
<<locked>>
81%
26977
42%
**73
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
40828
64%
**27
94%
ReloadSwiss RS 52
<<locked>>
81%
45426
71%
**27
98%
ReloadSwiss RS 60
<<locked>>
81%
36767
58%
**69
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
29994
47%
**33
91%
[ReloadSwiss RS 70]*
<<locked>>
83%
32053
50%
**82
90%
Rottweil R 901
<<locked>>
81%
50198
79%
**91
100%
Rottweil R 902
<<locked>>
81%
43685
68%
**79
99%
Rottweil R 903
<<locked>>
81%
36912
58%
**64
97%
[Rottweil R 905]*
<<locked>>
94%
39610
62%
**56
90%
[Rottweil R 907]*
<<locked>>
82%
36477
57%
**05
90%
SNPE Vectan SP 11
<<locked>>
81%
38232
60%
**33
97%
SNPE Vectan SP 7
<<locked>>
81%
47863
75%
**74
97%
SNPE Vectan SP 9
<<locked>>
81%
45745
72%
**51
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47427
74%
**86
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39436
62%
**35
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33910
53%
**07
90%
[Shooters World Long Rifle]*
<<locked>>
81%
34214
54%
**53
92%
Shooters World Match Rifle
<<locked>>
81%
46543
73%
**64
100%
Shooters World Precision
<<locked>>
81%
41858
66%
**59
99%
Somchem S335
<<locked>>
81%
47079
74%
**92
100%
Somchem S341
<<locked>>
81%
47732
75%
**74
99%
Somchem S355
<<locked>>
81%
37884
59%
**81
97%
[Somchem S365]*
<<locked>>
81%
27369
43%
**64
94%
[Somchem S385]*
<<locked>>
91%
36376
57%
**58
90%
Vihtavuori N130
<<locked>>
81%
52431
82%
**51
100%
Vihtavuori N133
<<locked>>
81%
44686
70%
**30
100%
Vihtavuori N135
<<locked>>
81%
36680
57%
**22
100%
Vihtavuori N140
<<locked>>
81%
43526
68%
**63
100%
Vihtavuori N150
<<locked>>
81%
32140
50%
**10
97%
[Vihtavuori N160]*
<<locked>>
81%
33344
52%
**66
93%
Vihtavuori N530
<<locked>>
81%
52344
82%
**69
100%
Vihtavuori N540
<<locked>>
81%
43352
68%
**82
100%
[Vihtavuori N550]*
<<locked>>
81%
33982
53%
**22
93%
[Vihtavuori N555]*
<<locked>>
86%
27267
43%
**64
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32082
50%
**17
95%
[Winchester 760]*
<<locked>>
81%
35665
56%
**61
90%
[Winchester StaBALL HD]*
<<locked>>
91%
27224
43%
**84
90%
[Winchester Supreme 780]*
<<locked>>
94%
40683
64%
**33
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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