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Load data for 7 mm KM Katzmaier + .284 | 160gr | Winchester Silvertip

Recommended Powder(s):

7 mm KM Katzmaier + .284 | 160gr | Winchester Silvertip

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Winchester Silvertip
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.000" | 25.4mm
Caliber:
7 mm KM Katzmaier load data
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
3.598" | 91.4mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6624_C1057
Last updated:
2025-01-01

Load data for 62 loads in caliber 7 mm KM Katzmaier with .284 | 160gr | Winchester Silvertip bullet and 31 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".

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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 2217 👍
<<locked>>
91%
57000
89%
**05
100%
ADI AR 2218 👍
<<locked>>
94%
57188
90%
**23
99%
ADI AR 2225
<<locked>>
93%
57188
90%
**28
100%
Accurate 8700
<<locked>>
97%
50401
79%
**90
97%
Alliant Reloder-23
<<locked>>
83%
57203
90%
**27
100%
Alliant Reloder-25
<<locked>>
87%
57159
90%
**92
100%
Alliant Reloder-33
<<locked>>
91%
57029
89%
**51
99%
Alliant Reloder-50
<<locked>>
95%
57014
89%
**48
98%
Hodgdon H1000 👍
<<locked>>
91%
57000
89%
**05
100%
Hodgdon H4831
<<locked>>
85%
56797
89%
**66
100%
Hodgdon Retumbo
<<locked>>
93%
57188
90%
**28
100%
[Hodgdon US 869]*
<<locked>>
97%
55056
86%
**56
94%
Hodgdon TrailBoss
<<locked>>
96%
36303
57%
**16
100%
IMR 4955 Enduron
<<locked>>
84%
57406
90%
**59
100%
IMR 7977 Enduron
<<locked>>
88%
56985
89%
**27
96%
IMR 8133 Enduron 👍
<<locked>>
95%
56782
89%
**22
100%
Lovex D100
<<locked>>
91%
57014
89%
**49
95%
Lovex S071
<<locked>>
87%
56985
89%
**04
100%
Norma 217 👍
<<locked>>
95%
57319
90%
**28
100%
Ramshot LRT
<<locked>>
95%
57363
90%
**45
95%
ReloadSwiss RS 14
<<locked>>
97%
37724
59%
**72
100%
ReloadSwiss RS 76
<<locked>>
86%
57246
90%
**48
100%
ReloadSwiss RS 80
<<locked>>
89%
57101
89%
**38
100%
SNPE Vectan SP 13
<<locked>>
97%
51938
81%
**00
97%
Vihtavuori 20N29
<<locked>>
97%
50488
79%
**77
95%
[Vihtavuori 24N41]*
<<locked>>
95%
57261
90%
**02
94%
Vihtavuori N165
<<locked>>
85%
56971
89%
**20
100%
Vihtavuori N170
<<locked>>
94%
57363
90%
**66
98%
Vihtavuori N565
<<locked>>
86%
57217
90%
**99
100%
Vihtavuori N568
<<locked>>
89%
57174
90%
**45
100%
Vihtavuori N570
<<locked>>
90%
57188
90%
**77
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
40292
63%
**00
98%
[ADI AR 2218]*
<<locked>>
81%
34722
54%
**12
90%
ADI AR 2225
<<locked>>
81%
37521
59%
**64
99%
[Accurate 8700]*
<<locked>>
86%
34272
54%
**26
90%
Alliant Reloder-23
<<locked>>
81%
52808
83%
**61
100%
Alliant Reloder-25
<<locked>>
81%
46818
73%
**25
100%
[Alliant Reloder-33]*
<<locked>>
81%
38595
60%
**77
93%
[Alliant Reloder-50]*
<<locked>>
82%
34896
55%
**66
90%
Hodgdon H1000
<<locked>>
81%
40292
63%
**00
98%
Hodgdon H4831
<<locked>>
81%
49269
77%
**38
99%
Hodgdon Retumbo
<<locked>>
81%
37521
59%
**64
99%
[Hodgdon US 869]*
<<locked>>
91%
44962
70%
**56
90%
Hodgdon TrailBoss
<<locked>>
81%
29138
46%
**62
100%
IMR 4955 Enduron
<<locked>>
81%
52460
82%
**74
100%
[IMR 7977 Enduron]*
<<locked>>
81%
44802
70%
**97
93%
IMR 8133 Enduron
<<locked>>
81%
34925
55%
**72
96%
[Lovex D100]*
<<locked>>
83%
42598
67%
**74
90%
Lovex S071
<<locked>>
81%
46514
73%
**43
100%
Norma 217
<<locked>>
81%
35708
56%
**12
98%
[Ramshot LRT]*
<<locked>>
88%
44831
70%
**15
90%
ReloadSwiss RS 14
<<locked>>
81%
30095
47%
**04
100%
ReloadSwiss RS 76
<<locked>>
81%
46456
73%
**67
100%
ReloadSwiss RS 80
<<locked>>
81%
42482
67%
**59
97%
[SNPE Vectan SP 13]*
<<locked>>
85%
34809
55%
**26
90%
[Vihtavuori 20N29]*
<<locked>>
90%
39378
62%
**51
90%
[Vihtavuori 24N41]*
<<locked>>
88%
45092
71%
**79
90%
Vihtavuori N165
<<locked>>
81%
49632
78%
**99
100%
[Vihtavuori N170]*
<<locked>>
81%
38247
60%
**85
92%
Vihtavuori N565
<<locked>>
81%
48211
76%
**44
99%
Vihtavuori N568
<<locked>>
81%
43250
68%
**82
97%
[Vihtavuori N570]*
<<locked>>
81%
41669
65%
**62
94%

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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