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Load data for 7 mm KM Katzmaier + .284 | 156gr | Norma ORYX

Recommended Powder(s): ADI AR 2217, ADI AR 2218, Hodgdon H1000, IMR 8133 Enduron, Norma 217

7 mm KM Katzmaier + .284 | 156gr | Norma ORYX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 156gr | Norma ORYX
Manufacturer SKU:
67004
Bullet Weight:
156gr | 10.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.130" | 28.7mm
Caliber:
7 mm KM Katzmaier load data
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
3.664" | 93.1mm
Seated Depth:
0.186" | 4.7mm
Shank Seated Depth:
0.186" | 4.7mm
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_B3852_C1057
Last updated:
2025-01-01

Load data for 72 loads in caliber 7 mm KM Katzmaier with .284 | 156gr | Norma ORYX bullet and 36 powders such as ADI AR 2217, ADI AR 2218, Hodgdon H1000, IMR 8133 Enduron, Norma 217. 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 2213
<<locked>>
83%
57348
90%
**54
100%
ADI AR 2217 👍
<<locked>>
91%
57421
90%
**45
100%
ADI AR 2218 👍
<<locked>>
95%
56985
89%
**36
99%
ADI AR 2225
<<locked>>
93%
57406
90%
**68
100%
Accurate 3100
<<locked>>
83%
57334
90%
**36
100%
Accurate 8700
<<locked>>
97%
49226
77%
**94
96%
Alliant Reloder-22
<<locked>>
83%
57392
90%
**31
100%
Alliant Reloder-23
<<locked>>
84%
56913
89%
**63
100%
Alliant Reloder-25
<<locked>>
87%
57348
90%
**28
100%
Alliant Reloder-33
<<locked>>
92%
56826
89%
**81
98%
Alliant Reloder-50
<<locked>>
96%
57305
90%
**71
98%
Hodgdon H1000 👍
<<locked>>
91%
57421
90%
**45
100%
Hodgdon H4831
<<locked>>
86%
57217
90%
**99
100%
Hodgdon Retumbo
<<locked>>
93%
57406
90%
**68
100%
[Hodgdon US 869]*
<<locked>>
97%
53896
84%
**63
93%
Hodgdon TrailBoss
<<locked>>
97%
36506
57%
**42
100%
IMR 4955 Enduron
<<locked>>
84%
57435
90%
**76
100%
IMR 7977 Enduron
<<locked>>
89%
57435
90%
**56
96%
IMR 8133 Enduron 👍
<<locked>>
96%
57276
90%
**54
100%
Lovex D100
<<locked>>
92%
57188
90%
**72
95%
Lovex S071
<<locked>>
88%
56884
89%
**33
100%
Norma 217 👍
<<locked>>
95%
57261
90%
**64
100%
[Ramshot LRT]*
<<locked>>
95%
57334
90%
**84
94%
Ramshot Magnum
<<locked>>
83%
57072
89%
**95
100%
ReloadSwiss RS 14
<<locked>>
96%
37289
58%
**78
100%
ReloadSwiss RS 76
<<locked>>
87%
57130
90%
**91
100%
ReloadSwiss RS 80
<<locked>>
89%
57377
90%
**68
100%
SNPE Vectan SP 13
<<locked>>
97%
51242
80%
**07
96%
[Vihtavuori 20N29]*
<<locked>>
97%
49719
78%
**84
94%
[Vihtavuori 24N41]*
<<locked>>
95%
57174
90%
**28
94%
Vihtavuori N165
<<locked>>
86%
57421
90%
**56
100%
Vihtavuori N170
<<locked>>
94%
57276
90%
**92
97%
Vihtavuori N565
<<locked>>
86%
57087
89%
**25
100%
Vihtavuori N568
<<locked>>
89%
57145
90%
**77
99%
Vihtavuori N570
<<locked>>
90%
56869
89%
**04
98%
Winchester StaBALL HD
<<locked>>
83%
57290
90%
**35
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
52750
83%
**69
100%
ADI AR 2217
<<locked>>
81%
39726
62%
**07
98%
[ADI AR 2218]*
<<locked>>
82%
35070
55%
**41
90%
ADI AR 2225
<<locked>>
81%
37028
58%
**74
99%
Accurate 3100
<<locked>>
81%
53490
84%
**81
100%
[Accurate 8700]*
<<locked>>
87%
35012
55%
**79
90%
Alliant Reloder-22
<<locked>>
81%
53621
84%
**76
100%
Alliant Reloder-23
<<locked>>
81%
51924
81%
**84
100%
Alliant Reloder-25
<<locked>>
81%
46122
72%
**38
100%
[Alliant Reloder-33]*
<<locked>>
81%
38189
60%
**94
93%
[Alliant Reloder-50]*
<<locked>>
83%
35447
56%
**12
90%
Hodgdon H1000
<<locked>>
81%
39726
62%
**07
98%
Hodgdon H4831
<<locked>>
81%
48530
76%
**41
99%
Hodgdon Retumbo
<<locked>>
81%
37028
58%
**74
99%
[Hodgdon US 869]*
<<locked>>
92%
45861
72%
**02
90%
Hodgdon TrailBoss
<<locked>>
81%
29240
46%
**81
100%
IMR 4955 Enduron
<<locked>>
81%
52127
82%
**97
99%
[IMR 7977 Enduron]*
<<locked>>
81%
44338
69%
**13
92%
IMR 8133 Enduron
<<locked>>
81%
34418
54%
**92
95%
[Lovex D100]*
<<locked>>
84%
43584
68%
**13
90%
Lovex S071
<<locked>>
81%
46050
72%
**53
100%
Norma 217
<<locked>>
81%
35128
55%
**21
98%
[Ramshot LRT]*
<<locked>>
89%
45368
71%
**51
90%
Ramshot Magnum
<<locked>>
81%
52388
82%
**30
100%
ReloadSwiss RS 14
<<locked>>
81%
30037
47%
**21
100%
ReloadSwiss RS 76
<<locked>>
81%
45440
71%
**84
100%
ReloadSwiss RS 80
<<locked>>
81%
41930
66%
**76
97%
[SNPE Vectan SP 13]*
<<locked>>
86%
35302
55%
**62
90%
[Vihtavuori 20N29]*
<<locked>>
91%
39813
62%
**84
90%
[Vihtavuori 24N41]*
<<locked>>
89%
45934
72%
**18
90%
Vihtavuori N165
<<locked>>
81%
49008
77%
**22
100%
[Vihtavuori N170]*
<<locked>>
81%
37739
59%
**92
91%
Vihtavuori N565
<<locked>>
81%
47659
75%
**58
99%
Vihtavuori N568
<<locked>>
81%
42685
67%
**92
96%
[Vihtavuori N570]*
<<locked>>
81%
41089
64%
**76
93%
Winchester StaBALL HD
<<locked>>
81%
53084
83%
**69
100%

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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