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Load data for 7 mm KM Katzmaier + .284 | 150gr Hornady ECX

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565

7 mm KM Katzmaier + .284 | 150gr Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr Hornady ECX
Manufacturer SKU:
28214
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.320" | 33.5mm
Caliber:
7 mm KM Katzmaier load data
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
3.348" | 85.0mm
Seated Depth:
0.692" | 17.6mm
Shank Seated Depth:
0.692" | 17.6mm
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_B1385_C1057
Last updated:
2025-01-01

Load data for 92 loads in caliber 7 mm KM Katzmaier with .284 | 150gr Hornady ECX bullet and 46 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565. 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 2209
<<locked>>
84%
57435
90%
**71
100%
ADI AR 2213
<<locked>>
87%
57232
90%
**04
100%
ADI AR 2217 👍
<<locked>>
95%
57029
89%
**94
100%
ADI AR 2218
<<locked>>
97%
52736
83%
**14
97%
ADI AR 2225 👍
<<locked>>
97%
55158
86%
**97
100%
Accurate 3100
<<locked>>
87%
57276
90%
**92
100%
[Accurate 8700]*
<<locked>>
97%
41916
66%
**89
93%
Accurate MAGPRO
<<locked>>
87%
57203
90%
**04
99%
Alliant Reloder-19
<<locked>>
84%
57188
90%
**54
100%
Alliant Reloder-22
<<locked>>
87%
57014
89%
**84
100%
Alliant Reloder-23
<<locked>>
88%
57377
90%
**22
100%
Alliant Reloder-25
<<locked>>
91%
57159
90%
**81
100%
Alliant Reloder-26
<<locked>>
83%
57290
90%
**00
100%
Alliant Reloder-33
<<locked>>
96%
56623
89%
**36
98%
Alliant Reloder-50
<<locked>>
97%
50705
79%
**18
96%
Hodgdon H1000 👍
<<locked>>
95%
57029
89%
**94
100%
Hodgdon H4831
<<locked>>
90%
57217
90%
**54
99%
Hodgdon H4831 SC
<<locked>>
86%
57014
89%
**45
99%
Hodgdon Retumbo 👍
<<locked>>
97%
55158
86%
**97
100%
Hodgdon TrailBoss
<<locked>>
96%
36143
57%
**46
100%
IMR 4831
<<locked>>
83%
56855
89%
**92
100%
IMR 4955 Enduron
<<locked>>
87%
57392
90%
**22
99%
IMR 7828 SSC
<<locked>>
86%
57406
90%
**14
100%
IMR 7977 Enduron
<<locked>>
92%
56927
89%
**72
95%
IMR 8133 Enduron
<<locked>>
97%
50850
80%
**05
99%
[Lovex D100]*
<<locked>>
96%
57276
90%
**18
94%
Lovex S071
<<locked>>
91%
56898
89%
**89
100%
Norma 217
<<locked>>
97%
51808
81%
**31
100%
Norma MRP
<<locked>>
84%
57101
89%
**97
100%
Ramshot Magnum
<<locked>>
87%
57087
89%
**58
100%
ReloadSwiss RS 14
<<locked>>
97%
37173
58%
**91
100%
ReloadSwiss RS 76
<<locked>>
91%
57043
89%
**50
100%
ReloadSwiss RS 80
<<locked>>
93%
56985
89%
**30
99%
Rottweil R 904
<<locked>>
84%
57377
90%
**25
100%
Rottweil R 905
<<locked>>
84%
56927
89%
**45
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
43918
69%
**22
93%
Somchem S361
<<locked>>
83%
57261
90%
**92
99%
Somchem S385
<<locked>>
84%
57188
90%
**15
100%
Vihtavuori N165
<<locked>>
89%
57188
90%
**09
100%
Vihtavuori N170
<<locked>>
97%
55811
87%
**12
96%
Vihtavuori N555
<<locked>>
85%
57261
90%
**25
100%
Vihtavuori N560
<<locked>>
86%
57276
90%
**14
99%
Vihtavuori N565 👍
<<locked>>
90%
57363
90%
**87
100%
Vihtavuori N568
<<locked>>
93%
57232
90%
**27
99%
Vihtavuori N570
<<locked>>
94%
57305
90%
**59
98%
Winchester StaBALL HD
<<locked>>
87%
56768
89%
**04
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51401
81%
**69
100%
ADI AR 2213
<<locked>>
81%
46557
73%
**04
98%
ADI AR 2217
<<locked>>
81%
34635
54%
**25
95%
[ADI AR 2218]*
<<locked>>
88%
37565
59%
**56
90%
ADI AR 2225
<<locked>>
81%
31923
50%
**92
97%
Accurate 3100
<<locked>>
81%
47369
74%
**28
100%
[Accurate 8700]*
<<locked>>
93%
36825
58%
**71
90%
Accurate MAGPRO
<<locked>>
81%
46934
74%
**10
97%
Alliant Reloder-19
<<locked>>
81%
51372
81%
**56
100%
Alliant Reloder-22
<<locked>>
81%
47239
74%
**10
99%
Alliant Reloder-23
<<locked>>
81%
45905
72%
**48
100%
Alliant Reloder-25
<<locked>>
81%
39987
63%
**82
100%
Alliant Reloder-26
<<locked>>
81%
52852
83%
**25
100%
[Alliant Reloder-33]*
<<locked>>
84%
35694
56%
**90
90%
[Alliant Reloder-50]*
<<locked>>
88%
36782
58%
**03
90%
Hodgdon H1000
<<locked>>
81%
34635
54%
**25
95%
Hodgdon H4831
<<locked>>
81%
43352
68%
**95
97%
Hodgdon H4831 SC
<<locked>>
81%
48167
75%
**90
98%
Hodgdon Retumbo
<<locked>>
81%
31923
50%
**92
97%
Hodgdon TrailBoss
<<locked>>
81%
28805
45%
**81
100%
IMR 4831
<<locked>>
81%
52837
83%
**30
100%
IMR 4955 Enduron
<<locked>>
81%
46963
74%
**41
98%
IMR 7828 SSC
<<locked>>
81%
48341
76%
**56
99%
[IMR 7977 Enduron]*
<<locked>>
83%
42569
67%
**07
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29414
46%
**03
91%
[Lovex D100]*
<<locked>>
90%
46427
73%
**15
90%
Lovex S071
<<locked>>
81%
40654
64%
**03
100%
[Norma 217]*
<<locked>>
81%
29646
46%
**30
94%
Norma MRP
<<locked>>
81%
50430
79%
**82
100%
Ramshot Magnum
<<locked>>
81%
45730
72%
**67
100%
ReloadSwiss RS 14
<<locked>>
81%
29776
47%
**31
100%
ReloadSwiss RS 76
<<locked>>
81%
38551
60%
**95
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
35389
55%
**77
93%
Rottweil R 904
<<locked>>
81%
52011
81%
**36
99%
Rottweil R 905
<<locked>>
81%
50981
80%
**49
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
37101
58%
**61
90%
Somchem S361
<<locked>>
81%
53330
84%
**27
99%
Somchem S385
<<locked>>
81%
51213
80%
**17
100%
Vihtavuori N165
<<locked>>
81%
43598
68%
**62
99%
[Vihtavuori N170]*
<<locked>>
85%
38377
60%
**61
90%
Vihtavuori N555
<<locked>>
81%
50923
80%
**23
100%
Vihtavuori N560
<<locked>>
81%
47442
74%
**40
98%
Vihtavuori N565
<<locked>>
81%
41756
65%
**92
97%
[Vihtavuori N568]*
<<locked>>
81%
36709
58%
**07
93%
[Vihtavuori N570]*
<<locked>>
82%
36463
57%
**20
90%
Winchester StaBALL HD
<<locked>>
81%
44976
70%
**17
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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