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

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Recommended Powder(s):

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

Load Specifications

Bullet:
.284 | 139gr | Hornady BTSP
Manufacturer SKU:
2825
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.130" | 28.7mm
Caliber:
7 mm KM Katzmaier
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
3.603" | 91.5mm
Seated Depth:
0.247" | 6.3mm
Shank Seated Depth:
0.122" | 3.1mm
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_B2624_C1057

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

Load data for 86 loads in caliber 7 mm KM Katzmaier with .284 | 139gr | Hornady BTSP bullet and 43 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.

    • You can set your specifications in the "Personalized Load Calculator".

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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%
56971
89%
**53
100%
ADI AR 2213
<<locked>>
86%
57000
89%
**86
99%
ADI AR 2217
<<locked>>
95%
57406
90%
**79
100%
ADI AR 2218
<<locked>>
97%
54389
85%
**35
97%
ADI AR 2225 👍
<<locked>>
97%
57159
90%
**12
100%
Accurate 3100
<<locked>>
86%
57261
90%
**87
100%
[Accurate 8700]*
<<locked>>
97%
43236
68%
**87
93%
Accurate MAGPRO
<<locked>>
86%
57014
89%
**82
98%
Alliant Reloder-19
<<locked>>
84%
56840
89%
**40
100%
Alliant Reloder-22
<<locked>>
86%
56855
89%
**66
100%
Alliant Reloder-23
<<locked>>
87%
57072
89%
**14
100%
Alliant Reloder-25
<<locked>>
91%
57276
90%
**73
100%
Alliant Reloder-33
<<locked>>
95%
56927
89%
**25
98%
Alliant Reloder-50
<<locked>>
97%
52228
82%
**23
96%
Hodgdon H1000
<<locked>>
95%
57406
90%
**79
100%
Hodgdon H4831
<<locked>>
89%
57348
90%
**43
99%
Hodgdon H4831 SC
<<locked>>
86%
57348
90%
**43
99%
Hodgdon Retumbo 👍
<<locked>>
97%
57159
90%
**12
100%
Hodgdon TrailBoss
<<locked>>
96%
36027
56%
**37
100%
IMR 4955 Enduron
<<locked>>
87%
57014
89%
**07
99%
IMR 7828 SSC
<<locked>>
85%
56724
89%
**92
100%
[IMR 7977 Enduron]*
<<locked>>
92%
57305
90%
**74
94%
IMR 8133 Enduron
<<locked>>
97%
52069
82%
**04
99%
[Lovex D100]*
<<locked>>
95%
56898
89%
**91
93%
Lovex S071
<<locked>>
91%
57261
90%
**87
100%
Norma 217
<<locked>>
97%
53519
84%
**40
100%
Norma MRP
<<locked>>
84%
57159
90%
**86
100%
Ramshot Magnum
<<locked>>
86%
57377
90%
**53
100%
ReloadSwiss RS 14
<<locked>>
96%
37014
58%
**83
100%
ReloadSwiss RS 76 👍
<<locked>>
90%
56753
89%
**35
100%
ReloadSwiss RS 80 👍
<<locked>>
93%
57101
89%
**12
99%
Rottweil R 904
<<locked>>
83%
57203
90%
**23
100%
Rottweil R 905
<<locked>>
84%
57363
90%
**50
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
45484
71%
**20
93%
Somchem S385
<<locked>>
84%
57043
89%
**10
100%
Vihtavuori N165
<<locked>>
89%
56826
89%
**87
100%
Vihtavuori N170
<<locked>>
97%
56913
89%
**20
96%
Vihtavuori N555
<<locked>>
84%
57319
90%
**20
100%
Vihtavuori N560
<<locked>>
86%
57290
90%
**02
99%
Vihtavuori N565
<<locked>>
89%
56855
89%
**59
99%
Vihtavuori N568 👍
<<locked>>
92%
57000
89%
**15
99%
Vihtavuori N570
<<locked>>
94%
57145
90%
**48
97%
Winchester StaBALL HD
<<locked>>
86%
57043
89%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
52330
82%
**71
100%
ADI AR 2213
<<locked>>
81%
47398
74%
**12
98%
[ADI AR 2217]*
<<locked>>
81%
35317
55%
**23
94%
[ADI AR 2218]*
<<locked>>
88%
39001
61%
**61
90%
ADI AR 2225
<<locked>>
81%
32532
51%
**80
96%
Accurate 3100
<<locked>>
81%
47906
75%
**23
100%
[Accurate 8700]*
<<locked>>
93%
37985
60%
**69
90%
Accurate MAGPRO
<<locked>>
81%
47819
75%
**15
96%
Alliant Reloder-19
<<locked>>
81%
51924
81%
**54
99%
Alliant Reloder-22
<<locked>>
81%
48196
76%
**22
99%
Alliant Reloder-23
<<locked>>
81%
46891
73%
**46
100%
Alliant Reloder-25
<<locked>>
81%
40915
64%
**84
100%
[Alliant Reloder-33]*
<<locked>>
84%
37275
58%
**99
90%
[Alliant Reloder-50]*
<<locked>>
89%
38218
60%
**08
90%
[Hodgdon H1000]*
<<locked>>
81%
35317
55%
**23
94%
Hodgdon H4831
<<locked>>
81%
44150
69%
**97
97%
Hodgdon H4831 SC
<<locked>>
81%
49052
77%
**89
98%
Hodgdon Retumbo
<<locked>>
81%
32532
51%
**80
96%
Hodgdon TrailBoss
<<locked>>
81%
28805
45%
**64
100%
IMR 4955 Enduron
<<locked>>
81%
47630
75%
**40
98%
IMR 7828 SSC
<<locked>>
81%
49313
77%
**54
98%
[IMR 7977 Enduron]*
<<locked>>
84%
43976
69%
**22
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29921
47%
**85
91%
[Lovex D100]*
<<locked>>
90%
48182
75%
**30
90%
Lovex S071
<<locked>>
81%
41321
65%
**02
99%
[Norma 217]*
<<locked>>
81%
30211
47%
**08
94%
Norma MRP
<<locked>>
81%
51372
81%
**87
100%
Ramshot Magnum
<<locked>>
81%
46456
73%
**59
99%
ReloadSwiss RS 14
<<locked>>
81%
29689
47%
**16
100%
ReloadSwiss RS 76
<<locked>>
81%
39639
62%
**94
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
36376
57%
**69
93%
Rottweil R 904
<<locked>>
81%
52692
83%
**45
99%
Rottweil R 905
<<locked>>
81%
51648
81%
**51
100%
[SNPE Vectan SP 13]*
<<locked>>
93%
39088
61%
**72
90%
Somchem S385
<<locked>>
81%
52141
82%
**28
100%
Vihtavuori N165
<<locked>>
81%
44469
70%
**67
99%
[Vihtavuori N170]*
<<locked>>
86%
40016
63%
**66
90%
Vihtavuori N555
<<locked>>
81%
51677
81%
**31
100%
Vihtavuori N560
<<locked>>
81%
48457
76%
**41
98%
Vihtavuori N565
<<locked>>
81%
42525
67%
**84
96%
[Vihtavuori N568]*
<<locked>>
81%
37347
59%
**82
92%
[Vihtavuori N570]*
<<locked>>
83%
38566
60%
**41
90%
Winchester StaBALL HD
<<locked>>
81%
46282
73%
**15
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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