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Load data for 7 mm KM Katzmaier + .284 | 139gr Hornady CX

Recommended Powder(s): ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N565

7 mm KM Katzmaier + .284 | 139gr Hornady CX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr Hornady CX
Manufacturer SKU:
282704
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.380" | 35.1mm
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:
0.436" | 11.1mm
Shank Seated Depth:
0.296" | 7.5mm
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_B1367_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 90 loads in caliber 7 mm KM Katzmaier with .284 | 139gr Hornady CX bullet and 45 powders such as ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, ReloadSwiss RS 80, 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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    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.

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%
57319
90%
**63
100%
ADI AR 2213
<<locked>>
87%
57087
89%
**92
99%
ADI AR 2217
<<locked>>
96%
57261
90%
**79
100%
ADI AR 2218
<<locked>>
97%
52736
83%
**02
97%
ADI AR 2225 👍
<<locked>>
97%
54723
86%
**86
100%
Accurate 3100
<<locked>>
87%
56855
89%
**84
100%
Accurate MAGPRO
<<locked>>
87%
57217
90%
**96
98%
Alliant Reloder-19
<<locked>>
84%
56898
89%
**53
100%
Alliant Reloder-22
<<locked>>
87%
56927
89%
**73
100%
Alliant Reloder-23
<<locked>>
88%
57159
90%
**20
100%
Alliant Reloder-25
<<locked>>
91%
57116
89%
**86
100%
Alliant Reloder-26
<<locked>>
83%
56956
89%
**82
100%
Alliant Reloder-33
<<locked>>
96%
56985
89%
**25
97%
Alliant Reloder-50
<<locked>>
97%
50198
79%
**81
95%
Hodgdon H1000
<<locked>>
96%
57261
90%
**79
100%
Hodgdon H4831
<<locked>>
90%
56898
89%
**33
99%
Hodgdon H4831 SC
<<locked>>
86%
56898
89%
**33
99%
Hodgdon Retumbo 👍
<<locked>>
97%
54723
86%
**86
100%
Hodgdon TrailBoss
<<locked>>
96%
35926
56%
**24
100%
IMR 4831
<<locked>>
84%
57348
90%
**00
100%
IMR 4955 Enduron
<<locked>>
87%
57305
90%
**20
99%
IMR 7828 SSC
<<locked>>
86%
57217
90%
**99
99%
[IMR 7977 Enduron]*
<<locked>>
92%
56956
89%
**71
94%
IMR 8133 Enduron
<<locked>>
97%
50546
79%
**87
99%
[Lovex D100]*
<<locked>>
96%
57000
89%
**97
93%
Lovex S071
<<locked>>
92%
56855
89%
**84
100%
Norma 217
<<locked>>
97%
51416
81%
**14
100%
Norma MRP
<<locked>>
85%
57435
90%
**92
100%
Ramshot Magnum
<<locked>>
87%
57305
90%
**46
100%
ReloadSwiss RS 14
<<locked>>
97%
37144
58%
**73
100%
ReloadSwiss RS 76 👍
<<locked>>
91%
57101
89%
**51
100%
ReloadSwiss RS 80 👍
<<locked>>
94%
57406
90%
**15
99%
Rottweil R 904
<<locked>>
84%
57261
90%
**17
99%
Rottweil R 905
<<locked>>
85%
57435
90%
**50
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
43656
68%
**81
92%
Somchem S361
<<locked>>
83%
57203
90%
**77
99%
Somchem S385
<<locked>>
85%
57130
90%
**10
100%
Vihtavuori N165
<<locked>>
89%
56739
89%
**81
100%
Vihtavuori N170
<<locked>>
97%
55434
87%
**94
96%
Vihtavuori N555
<<locked>>
85%
57232
90%
**20
100%
Vihtavuori N560
<<locked>>
87%
57087
89%
**12
99%
Vihtavuori N565 👍
<<locked>>
90%
56811
89%
**66
99%
Vihtavuori N568
<<locked>>
93%
56869
89%
**09
99%
Vihtavuori N570
<<locked>>
95%
57058
89%
**48
97%
Winchester StaBALL HD
<<locked>>
87%
57188
90%
**99
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
50923
80%
**54
99%
ADI AR 2213
<<locked>>
81%
46325
73%
**95
98%
[ADI AR 2217]*
<<locked>>
81%
34301
54%
**97
94%
[ADI AR 2218]*
<<locked>>
89%
39233
61%
**74
90%
ADI AR 2225
<<locked>>
81%
31633
50%
**54
96%
Accurate 3100
<<locked>>
81%
46862
73%
**10
100%
Accurate MAGPRO
<<locked>>
81%
46311
73%
**92
96%
Alliant Reloder-19
<<locked>>
81%
50865
80%
**41
99%
Alliant Reloder-22
<<locked>>
81%
47021
74%
**89
99%
Alliant Reloder-23
<<locked>>
81%
45542
71%
**27
100%
Alliant Reloder-25
<<locked>>
81%
39508
62%
**48
100%
Alliant Reloder-26
<<locked>>
81%
52141
82%
**14
100%
[Alliant Reloder-33]*
<<locked>>
85%
37666
59%
**12
90%
[Alliant Reloder-50]*
<<locked>>
90%
38769
61%
**22
90%
[Hodgdon H1000]*
<<locked>>
81%
34301
54%
**97
94%
Hodgdon H4831
<<locked>>
81%
43091
68%
**74
96%
Hodgdon H4831 SC
<<locked>>
81%
47979
75%
**72
97%
Hodgdon Retumbo
<<locked>>
81%
31633
50%
**54
96%
Hodgdon TrailBoss
<<locked>>
81%
28906
45%
**64
100%
IMR 4831
<<locked>>
81%
52243
82%
**18
100%
IMR 4955 Enduron
<<locked>>
81%
46644
73%
**17
97%
IMR 7828 SSC
<<locked>>
81%
47964
75%
**28
98%
[IMR 7977 Enduron]*
<<locked>>
85%
44802
70%
**35
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29414
46%
**69
90%
[Lovex D100]*
<<locked>>
92%
49197
77%
**43
90%
Lovex S071
<<locked>>
81%
40219
63%
**72
99%
[Norma 217]*
<<locked>>
81%
29312
46%
**85
93%
Norma MRP
<<locked>>
81%
50053
78%
**64
100%
Ramshot Magnum
<<locked>>
81%
45266
71%
**30
99%
ReloadSwiss RS 14
<<locked>>
81%
29646
46%
**03
100%
ReloadSwiss RS 76
<<locked>>
81%
38218
60%
**71
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
35012
55%
**46
92%
Rottweil R 904
<<locked>>
81%
51634
81%
**28
99%
Rottweil R 905
<<locked>>
81%
50517
79%
**35
99%
[SNPE Vectan SP 13]*
<<locked>>
94%
39204
61%
**79
90%
Somchem S361
<<locked>>
81%
52750
83%
**02
98%
Somchem S385
<<locked>>
81%
51010
80%
**02
100%
Vihtavuori N165
<<locked>>
81%
43221
68%
**48
99%
[Vihtavuori N170]*
<<locked>>
87%
40263
63%
**76
90%
Vihtavuori N555
<<locked>>
81%
50299
79%
**12
100%
Vihtavuori N560
<<locked>>
81%
47137
74%
**12
97%
Vihtavuori N565
<<locked>>
81%
41321
65%
**58
96%
[Vihtavuori N568]*
<<locked>>
81%
36230
57%
**72
92%
[Vihtavuori N570]*
<<locked>>
84%
38319
60%
**44
90%
Winchester StaBALL HD
<<locked>>
81%
44527
70%
**86
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.

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