top of page

Load data for 8.5 mm Messner Magnum + .338 | 180gr | Impala LW CFN

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70

8.5 mm Messner Magnum + .338 | 180gr | Impala LW CFN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 180gr | Impala LW CFN
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.197" | 30.4mm
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:
0.292" | 7.4mm
Shank Seated Depth:
0.292" | 7.4mm
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_B3002_C1203
Last updated:
2025-01-01

Load data for 160 loads in caliber 8.5 mm Messner Magnum with .338 | 180gr | Impala LW CFN bullet and 80 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
88%
57029
89%
**77
100%
ADI AR 2209
<<locked>>
97%
53621
84%
**94
96%
[ADI AR 2213]*
<<locked>>
97%
48399
76%
**09
93%
Accurate 2700
<<locked>>
88%
57334
90%
**22
98%
Accurate 3100
<<locked>>
97%
47703
75%
**59
98%
Accurate 4064
<<locked>>
85%
56753
89%
**48
100%
Accurate 4350 👍
<<locked>>
93%
57116
89%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
57000
89%
**94
100%
Alliant Reloder-15
<<locked>>
85%
57203
90%
**10
100%
Alliant Reloder-16 👍
<<locked>>
95%
56956
89%
**86
100%
Alliant Reloder-17
<<locked>>
91%
57377
90%
**12
100%
Alliant Reloder-19
<<locked>>
97%
52765
83%
**81
96%
Alliant Reloder-22
<<locked>>
97%
47152
74%
**25
95%
Alliant Reloder-23
<<locked>>
97%
44411
70%
**66
100%
Alliant Reloder-25
<<locked>>
97%
39320
62%
**64
96%
Alliant Reloder-26
<<locked>>
97%
50285
79%
**63
99%
Hodgdon CFE223
<<locked>>
85%
57203
90%
**46
100%
Hodgdon H380
<<locked>>
86%
56710
89%
**00
100%
Hodgdon H414
<<locked>>
89%
56927
89%
**56
98%
Hodgdon H4350
<<locked>>
96%
56942
89%
**97
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
50531
79%
**12
93%
Hodgdon Hybrid 100V
<<locked>>
97%
57334
90%
**17
100%
Hodgdon LVR
<<locked>>
92%
57130
90%
**36
100%
Hodgdon Superperformance
<<locked>>
92%
57058
89%
**86
98%
Hodgdon VARGET
<<locked>>
88%
57029
89%
**77
100%
Hodgdon TrailBoss
<<locked>>
97%
35041
55%
**09
100%
IMR 3031
<<locked>>
84%
57159
90%
**71
100%
IMR 4064
<<locked>>
88%
56695
89%
**61
100%
IMR 4166 Enduron
<<locked>>
89%
57392
90%
**64
98%
IMR 4350
<<locked>>
94%
56985
89%
**91
98%
IMR 4451 Enduron
<<locked>>
90%
57319
90%
**81
98%
IMR 4831
<<locked>>
97%
54201
85%
**81
100%
IMR 4895
<<locked>>
84%
56884
89%
**17
100%
[IMR 4955 Enduron]*
<<locked>>
97%
50038
78%
**59
93%
[IMR 7828 SSC]*
<<locked>>
97%
48950
77%
**38
93%
Lovex S060
<<locked>>
83%
57276
90%
**31
100%
Lovex S062
<<locked>>
86%
56913
89%
**54
100%
Lovex S065
<<locked>>
92%
57072
89%
**74
99%
Lovex S070
<<locked>>
93%
57174
90%
**97
99%
Lovex S071
<<locked>>
97%
39798
62%
**89
95%
Norma 203B
<<locked>>
85%
56913
89%
**04
100%
Norma 204
<<locked>>
94%
57116
90%
**40
97%
Norma MRP
<<locked>>
97%
49632
78%
**10
97%
Norma URP 👍
<<locked>>
94%
56666
89%
**43
100%
Ramshot Big Game
<<locked>>
85%
57232
90%
**27
100%
Ramshot Hunter
<<locked>>
95%
57029
89%
**56
99%
Ramshot Magnum
<<locked>>
97%
45513
71%
**59
95%
ReloadSwiss RS 14
<<locked>>
97%
35520
56%
**49
100%
ReloadSwiss RS 50
<<locked>>
86%
57087
89%
**87
99%
ReloadSwiss RS 52
<<locked>>
85%
57246
90%
**20
100%
ReloadSwiss RS 60
<<locked>>
91%
56695
89%
**22
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
57348
90%
**66
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
57246
90%
**22
100%
Rottweil R 902
<<locked>>
85%
57290
90%
**45
100%
Rottweil R 903
<<locked>>
89%
57145
90%
**91
100%
Rottweil R 904
<<locked>>
97%
55172
86%
**64
95%
Rottweil R 905
<<locked>>
97%
52054
82%
**71
96%
Rottweil R 907
<<locked>>
91%
57203
90%
**77
98%
SNPE Vectan SP 11
<<locked>>
88%
57246
90%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
57406
90%
**63
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57334
90%
**31
98%
Shooters World Long Rifle
<<locked>>
92%
57072
89%
**74
99%
Shooters World Precision
<<locked>>
86%
56913
89%
**54
100%
Somchem S355
<<locked>>
88%
57029
89%
**81
100%
Somchem S361
<<locked>>
97%
57174
90%
**61
95%
Somchem S365
<<locked>>
97%
56855
89%
**66
100%
Somchem S385
<<locked>>
97%
53055
83%
**54
97%
Vihtavuori N133
<<locked>>
85%
57203
90%
**49
100%
Vihtavuori N135
<<locked>>
90%
57392
90%
**09
100%
Vihtavuori N140
<<locked>>
85%
56927
89%
**09
100%
Vihtavuori N150
<<locked>>
94%
57305
90%
**48
100%
Vihtavuori N160
<<locked>>
92%
57261
90%
**07
100%
[Vihtavuori N165]*
<<locked>>
97%
43903
69%
**67
94%
Vihtavuori N540
<<locked>>
85%
56782
89%
**35
100%
Vihtavuori N550
<<locked>>
91%
57116
90%
**43
100%
Vihtavuori N555
<<locked>>
97%
49458
78%
**54
100%
[Vihtavuori N560]*
<<locked>>
97%
47166
74%
**31
92%
Winchester 6.5 StaBALL
<<locked>>
93%
57188
90%
**84
100%
Winchester 760
<<locked>>
89%
56927
89%
**56
98%
Winchester StaBALL HD
<<locked>>
97%
37347
59%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46847
73%
**97
99%
[ADI AR 2209]*
<<locked>>
85%
36579
57%
**26
90%
[ADI AR 2213]*
<<locked>>
92%
41568
65%
**64
90%
Accurate 2700
<<locked>>
81%
45368
71%
**08
95%
[Accurate 3100]*
<<locked>>
82%
28979
45%
**10
90%
Accurate 4064
<<locked>>
81%
50053
78%
**40
100%
Accurate 4350
<<locked>>
81%
38116
60%
**72
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
47152
74%
**27
100%
Alliant Reloder-15
<<locked>>
81%
50444
79%
**02
100%
Alliant Reloder-16
<<locked>>
81%
36724
58%
**72
97%
Alliant Reloder-17
<<locked>>
81%
41466
65%
**10
99%
[Alliant Reloder-19]*
<<locked>>
85%
36405
57%
**23
90%
[Alliant Reloder-22]*
<<locked>>
88%
35766
56%
**53
90%
[Alliant Reloder-23]*
<<locked>>
81%
27572
43%
**20
94%
[Alliant Reloder-25]*
<<locked>>
88%
29878
47%
**85
90%
[Alliant Reloder-26]*
<<locked>>
81%
29254
46%
**12
91%
Hodgdon CFE223
<<locked>>
81%
49240
77%
**12
99%
Hodgdon H380
<<locked>>
81%
47964
75%
**40
99%
Hodgdon H414
<<locked>>
81%
43163
68%
**94
95%
[Hodgdon H4350]*
<<locked>>
81%
35766
56%
**54
92%
[Hodgdon H4831 SC]*
<<locked>>
92%
42757
67%
**38
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34476
54%
**74
97%
Hodgdon LVR
<<locked>>
81%
40495
63%
**28
97%
[Hodgdon Superperformance]*
<<locked>>
81%
38740
61%
**08
93%
Hodgdon VARGET
<<locked>>
81%
46224
72%
**84
99%
Hodgdon TrailBoss
<<locked>>
81%
27789
44%
**45
100%
IMR 3031
<<locked>>
81%
51851
81%
**82
100%
IMR 4064
<<locked>>
81%
45788
72%
**71
99%
IMR 4166 Enduron
<<locked>>
81%
45266
71%
**38
96%
[IMR 4350]*
<<locked>>
81%
37637
59%
**07
93%
IMR 4451 Enduron
<<locked>>
81%
43352
68%
**15
95%
IMR 4831
<<locked>>
81%
33301
52%
**38
95%
IMR 4895
<<locked>>
81%
51822
81%
**28
100%
[IMR 4955 Enduron]*
<<locked>>
90%
41205
65%
**79
90%
[IMR 7828 SSC]*
<<locked>>
91%
41336
65%
**71
90%
Lovex S060
<<locked>>
81%
53708
84%
**79
100%
Lovex S062
<<locked>>
81%
49545
78%
**33
100%
Lovex S065
<<locked>>
81%
41060
64%
**72
96%
[Lovex S070]*
<<locked>>
81%
39494
62%
**53
94%
[Lovex S071]*
<<locked>>
86%
28979
45%
**10
90%
Norma 203B
<<locked>>
81%
49980
78%
**89
100%
[Norma 204]*
<<locked>>
81%
37057
58%
**26
90%
[Norma MRP]*
<<locked>>
84%
32808
51%
**97
90%
Norma URP
<<locked>>
81%
37811
59%
**69
97%
Ramshot Big Game
<<locked>>
81%
49864
78%
**95
100%
[Ramshot Hunter]*
<<locked>>
81%
36564
57%
**43
94%
[Ramshot Magnum]*
<<locked>>
90%
35404
55%
**13
90%
ReloadSwiss RS 14
<<locked>>
81%
28268
44%
**88
100%
ReloadSwiss RS 50
<<locked>>
81%
47877
75%
**20
97%
ReloadSwiss RS 52
<<locked>>
81%
49705
78%
**02
100%
ReloadSwiss RS 60
<<locked>>
81%
40350
63%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
37550
59%
**82
96%
ReloadSwiss RS 70
<<locked>>
81%
36593
57%
**82
95%
Rottweil R 902
<<locked>>
81%
51605
81%
**59
100%
Rottweil R 903
<<locked>>
81%
45252
71%
**87
100%
[Rottweil R 904]*
<<locked>>
86%
39552
62%
**53
90%
[Rottweil R 905]*
<<locked>>
85%
35128
55%
**03
90%
[Rottweil R 907]*
<<locked>>
81%
42235
66%
**92
94%
SNPE Vectan SP 11
<<locked>>
81%
45876
72%
**33
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
46253
72%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40277
63%
**13
95%
Shooters World Long Rifle
<<locked>>
81%
41060
64%
**72
96%
Shooters World Precision
<<locked>>
81%
49545
78%
**33
100%
Somchem S355
<<locked>>
81%
45324
71%
**84
100%
[Somchem S361]*
<<locked>>
87%
41989
66%
**69
90%
Somchem S365
<<locked>>
81%
33982
53%
**17
99%
[Somchem S385]*
<<locked>>
82%
33011
52%
**12
90%
Vihtavuori N133
<<locked>>
81%
51517
81%
**74
100%
Vihtavuori N135
<<locked>>
81%
44280
69%
**99
100%
Vihtavuori N140
<<locked>>
81%
50908
80%
**23
100%
Vihtavuori N150
<<locked>>
81%
39073
61%
**23
99%
Vihtavuori N160
<<locked>>
81%
40698
64%
**99
97%
[Vihtavuori N165]*
<<locked>>
89%
34142
54%
**31
90%
Vihtavuori N540
<<locked>>
81%
50691
79%
**46
100%
Vihtavuori N550
<<locked>>
81%
41205
65%
**44
97%
[Vihtavuori N555]*
<<locked>>
81%
29907
47%
**95
94%
[Vihtavuori N560]*
<<locked>>
93%
41698
65%
**07
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38218
60%
**30
99%
Winchester 760
<<locked>>
81%
43163
68%
**94
95%
[Winchester StaBALL HD]*
<<locked>>
81%
24598
39%
**61
91%

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