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Load data for 7 mm KM Katzmaier + .284 | 125gr | Norma Bonstrike

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Recommended Powder(s):

7 mm KM Katzmaier + .284 | 125gr | Norma Bonstrike

Load Specifications

Bullet:
.284 | 125gr | Norma Bonstrike
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.165" | 29.6mm
Caliber:
7 mm KM Katzmaier
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
3.664" | 93.1mm
Seated Depth:
0.221" | 5.6mm
Shank Seated Depth:
0.221" | 5.6mm
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_B3847_C1057

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 90 loads in caliber 7 mm KM Katzmaier with .284 | 125gr | Norma Bonstrike bullet and 45 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

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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>>
86%
57043
89%
**81
100%
ADI AR 2213 👍
<<locked>>
88%
56971
89%
**20
99%
ADI AR 2217
<<locked>>
97%
57072
89%
**04
99%
[ADI AR 2218]*
<<locked>>
97%
49937
78%
**45
94%
ADI AR 2225
<<locked>>
97%
52243
82%
**51
100%
Accurate 3100
<<locked>>
88%
57305
90%
**15
100%
Accurate MAGPRO
<<locked>>
88%
57392
90%
**20
98%
Alliant Reloder-19
<<locked>>
86%
57159
90%
**81
100%
Alliant Reloder-22
<<locked>>
88%
56869
89%
**04
100%
Alliant Reloder-23
<<locked>>
89%
57217
90%
**55
100%
Alliant Reloder-25 👍
<<locked>>
93%
57174
90%
**04
100%
Alliant Reloder-26
<<locked>>
85%
57232
90%
**30
100%
Alliant Reloder-33
<<locked>>
97%
55492
87%
**04
96%
[Alliant Reloder-50]*
<<locked>>
97%
47297
74%
**33
93%
Hodgdon H1000
<<locked>>
97%
57072
89%
**04
99%
Hodgdon H4350
<<locked>>
84%
57392
90%
**35
100%
Hodgdon H4831
<<locked>>
91%
57421
90%
**64
99%
Hodgdon H4831 SC
<<locked>>
87%
57130
90%
**68
99%
Hodgdon Hybrid 100V
<<locked>>
84%
57000
89%
**99
100%
Hodgdon Retumbo
<<locked>>
97%
52243
82%
**51
100%
Hodgdon TrailBoss
<<locked>>
97%
35984
56%
**33
100%
IMR 4831
<<locked>>
85%
57145
90%
**25
100%
IMR 4955 Enduron
<<locked>>
89%
56971
89%
**32
99%
IMR 7828 SSC 👍
<<locked>>
87%
57319
90%
**23
99%
[IMR 7977 Enduron]*
<<locked>>
93%
57377
90%
**86
93%
IMR 8133 Enduron
<<locked>>
97%
47601
75%
**43
97%
Lovex S071
<<locked>>
93%
57305
90%
**15
100%
Norma 217
<<locked>>
97%
48530
76%
**76
99%
Norma MRP
<<locked>>
86%
56913
89%
**10
100%
Ramshot Magnum
<<locked>>
88%
57014
89%
**71
100%
ReloadSwiss RS 14
<<locked>>
96%
36651
57%
**75
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57421
90%
**86
100%
ReloadSwiss RS 80
<<locked>>
95%
57421
90%
**40
98%
Rottweil R 904
<<locked>>
85%
57305
90%
**41
99%
Rottweil R 905
<<locked>>
86%
57043
89%
**68
100%
Somchem S361
<<locked>>
85%
57334
90%
**05
99%
Somchem S385
<<locked>>
86%
57305
90%
**41
100%
Vihtavuori N165
<<locked>>
91%
57130
90%
**15
100%
[Vihtavuori N170]*
<<locked>>
97%
53011
83%
**56
94%
Vihtavuori N555
<<locked>>
86%
57276
90%
**64
100%
Vihtavuori N560 👍
<<locked>>
88%
57159
90%
**37
99%
Vihtavuori N565
<<locked>>
92%
57348
90%
**94
99%
Vihtavuori N568
<<locked>>
95%
57377
90%
**37
98%
Vihtavuori N570
<<locked>>
96%
57014
89%
**60
96%
Winchester StaBALL HD
<<locked>>
89%
56695
89%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48747
76%
**36
98%
ADI AR 2213
<<locked>>
81%
43947
69%
**54
96%
[ADI AR 2217]*
<<locked>>
81%
32706
51%
**46
91%
[ADI AR 2218]*
<<locked>>
92%
41974
66%
**35
90%
[ADI AR 2225]*
<<locked>>
81%
29965
47%
**94
93%
Accurate 3100
<<locked>>
81%
44541
70%
**79
99%
[Accurate MAGPRO]*
<<locked>>
81%
44193
69%
**48
94%
Alliant Reloder-19
<<locked>>
81%
48602
76%
**17
98%
Alliant Reloder-22
<<locked>>
81%
44730
70%
**54
97%
Alliant Reloder-23
<<locked>>
81%
43207
68%
**09
100%
Alliant Reloder-25
<<locked>>
81%
37333
59%
**07
98%
Alliant Reloder-26
<<locked>>
81%
49516
78%
**82
100%
[Alliant Reloder-33]*
<<locked>>
88%
39842
62%
**72
90%
[Alliant Reloder-50]*
<<locked>>
94%
42061
66%
**09
90%
[Hodgdon H1000]*
<<locked>>
81%
32706
51%
**46
91%
Hodgdon H4350
<<locked>>
81%
51924
81%
**33
99%
[Hodgdon H4831]*
<<locked>>
81%
40872
64%
**30
94%
Hodgdon H4831 SC
<<locked>>
81%
45818
72%
**41
96%
Hodgdon Hybrid 100V
<<locked>>
81%
52504
82%
**30
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29965
47%
**94
93%
Hodgdon TrailBoss
<<locked>>
81%
28718
45%
**59
100%
IMR 4831
<<locked>>
81%
50067
78%
**04
100%
IMR 4955 Enduron
<<locked>>
81%
44846
70%
**99
96%
IMR 7828 SSC
<<locked>>
81%
45556
71%
**97
97%
[IMR 7977 Enduron]*
<<locked>>
88%
48182
76%
**12
90%
[IMR 8133 Enduron]*
<<locked>>
85%
31517
49%
**33
90%
Lovex S071
<<locked>>
81%
38363
60%
**38
98%
[Norma 217]*
<<locked>>
82%
27934
44%
**35
90%
Norma MRP
<<locked>>
81%
47500
74%
**36
99%
Ramshot Magnum
<<locked>>
81%
42598
67%
**92
98%
ReloadSwiss RS 14
<<locked>>
81%
29414
46%
**05
100%
ReloadSwiss RS 76
<<locked>>
81%
36042
56%
**07
96%
[ReloadSwiss RS 80]*
<<locked>>
82%
34751
54%
**31
90%
Rottweil R 904
<<locked>>
81%
49530
78%
**10
98%
Rottweil R 905
<<locked>>
81%
48196
76%
**10
98%
Somchem S361
<<locked>>
81%
50836
80%
**91
97%
Somchem S385
<<locked>>
81%
48776
76%
**94
99%
Vihtavuori N165
<<locked>>
81%
41437
65%
**20
97%
[Vihtavuori N170]*
<<locked>>
91%
43279
68%
**46
90%
Vihtavuori N555
<<locked>>
81%
48051
75%
**00
100%
Vihtavuori N560
<<locked>>
81%
44904
70%
**84
96%
[Vihtavuori N565]*
<<locked>>
81%
39204
61%
**17
94%
[Vihtavuori N568]*
<<locked>>
82%
36027
56%
**67
90%
[Vihtavuori N570]*
<<locked>>
87%
41437
65%
**22
90%
Winchester StaBALL HD
<<locked>>
81%
41452
65%
**51
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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