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Load data for 7 mm KM Katzmaier + .284 | 170gr | Norma ORYX

Recommended Powder(s):

7 mm KM Katzmaier + .284 | 170gr | Norma ORYX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 170gr | Norma ORYX
Manufacturer SKU:
67001
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 mm KM Katzmaier load data
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B3853_C1057
Last updated:
2026-03-25

Load data for 68 loads in caliber 7 mm KM Katzmaier with .284 | 170gr | Norma ORYX bullet and 34 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>>
90%
57116
89%
**36
100%
ADI AR 2218 👍
<<locked>>
94%
56855
89%
**45
99%
ADI AR 2225
<<locked>>
93%
57392
90%
**49
100%
Accurate 8700
<<locked>>
97%
51271
80%
**38
98%
Alliant Reloder-25
<<locked>>
86%
57014
89%
**13
100%
Alliant Reloder-33 👍
<<locked>>
91%
57334
90%
**99
99%
Alliant Reloder-50 👍
<<locked>>
95%
57290
90%
**76
99%
Baschieri & Pellagri 109
<<locked>>
85%
57029
89%
**04
99%
Bofors RP15
<<locked>>
84%
57116
90%
**27
100%
Bofors RP30
<<locked>>
88%
57290
90%
**40
100%
Hodgdon H1000
<<locked>>
90%
57116
89%
**36
100%
Hodgdon H4831
<<locked>>
85%
57043
89%
**90
100%
Hodgdon Retumbo
<<locked>>
93%
57392
90%
**49
100%
Hodgdon US 869
<<locked>>
97%
55506
87%
**04
95%
Hodgdon TrailBoss
<<locked>>
97%
36579
57%
**64
100%
IMR 4955 Enduron
<<locked>>
83%
57217
90%
**77
100%
IMR 7977 Enduron
<<locked>>
88%
57276
90%
**61
97%
IMR 8133 Enduron 👍
<<locked>>
95%
56971
89%
**56
100%
Lovex D100
<<locked>>
91%
56869
89%
**81
96%
Lovex S071
<<locked>>
87%
56927
89%
**35
100%
Norma 217
<<locked>>
94%
57058
89%
**53
100%
Ramshot LRT
<<locked>>
94%
57058
89%
**86
95%
ReloadSwiss RS 14
<<locked>>
97%
37666
59%
**03
100%
ReloadSwiss RS 76
<<locked>>
86%
57029
89%
**76
100%
ReloadSwiss RS 80
<<locked>>
88%
57188
90%
**76
100%
SNPE Vectan SP 13
<<locked>>
97%
52750
83%
**48
98%
Shooters World 50 BMG
<<locked>>
91%
56869
89%
**81
96%
Vihtavuori 20N29
<<locked>>
97%
51314
80%
**31
96%
Vihtavuori 24N41
<<locked>>
94%
56826
89%
**36
95%
Vihtavuori N165
<<locked>>
85%
57334
90%
**58
100%
Vihtavuori N170
<<locked>>
93%
56884
89%
**90
98%
Vihtavuori N565
<<locked>>
86%
57174
90%
**36
100%
Vihtavuori N568
<<locked>>
88%
57377
90%
**76
100%
Vihtavuori N570 👍
<<locked>>
89%
57261
90%
**12
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
40886
64%
**51
99%
[ADI AR 2218]*
<<locked>>
81%
35259
55%
**66
92%
ADI AR 2225
<<locked>>
81%
38203
60%
**21
100%
[Accurate 8700]*
<<locked>>
85%
32953
52%
**48
90%
Alliant Reloder-25
<<locked>>
81%
47514
74%
**72
100%
[Alliant Reloder-33]*
<<locked>>
81%
39349
62%
**44
94%
[Alliant Reloder-50]*
<<locked>>
81%
34301
54%
**00
91%
Baschieri & Pellagri 109
<<locked>>
81%
50908
80%
**02
98%
Bofors RP15
<<locked>>
81%
51053
80%
**28
100%
Bofors RP30
<<locked>>
81%
44483
70%
**20
99%
Hodgdon H1000
<<locked>>
81%
40886
64%
**51
99%
Hodgdon H4831
<<locked>>
81%
49748
78%
**79
99%
Hodgdon Retumbo
<<locked>>
81%
38203
60%
**21
100%
[Hodgdon US 869]*
<<locked>>
90%
43323
68%
**71
90%
Hodgdon TrailBoss
<<locked>>
81%
29196
46%
**03
100%
IMR 4955 Enduron
<<locked>>
81%
53272
83%
**15
100%
[IMR 7977 Enduron]*
<<locked>>
81%
45295
71%
**44
93%
IMR 8133 Enduron
<<locked>>
81%
35694
56%
**43
97%
[Lovex D100]*
<<locked>>
82%
40857
64%
**75
90%
Lovex S071
<<locked>>
81%
47239
74%
**77
100%
Norma 217
<<locked>>
81%
36303
57%
**69
99%
[Ramshot LRT]*
<<locked>>
87%
43424
68%
**20
90%
ReloadSwiss RS 14
<<locked>>
81%
30182
47%
**45
100%
ReloadSwiss RS 76
<<locked>>
81%
47137
74%
**15
100%
ReloadSwiss RS 80
<<locked>>
81%
43265
68%
**13
98%
[SNPE Vectan SP 13]*
<<locked>>
83%
33214
52%
**34
90%
[Shooters World 50 BMG]*
<<locked>>
82%
40857
64%
**75
90%
[Vihtavuori 20N29]*
<<locked>>
88%
37637
59%
**49
90%
[Vihtavuori 24N41]*
<<locked>>
86%
43279
68%
**84
90%
Vihtavuori N165
<<locked>>
81%
50212
79%
**43
100%
[Vihtavuori N170]*
<<locked>>
81%
38725
61%
**39
93%
Vihtavuori N565
<<locked>>
81%
49052
77%
**89
99%
Vihtavuori N568
<<locked>>
81%
43947
69%
**23
98%
Vihtavuori N570
<<locked>>
81%
42308
66%
**23
95%

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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