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

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

7 mm KM Katzmaier + .284 | 139gr | Hornady SST InterLock

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | Hornady SST InterLock
Manufacturer SKU:
28202
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.224" | 31.1mm
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:
0.280" | 7.1mm
Shank Seated Depth:
0.160" | 4.1mm
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_B2629_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 88 loads in caliber 7 mm KM Katzmaier with .284 | 139gr | Hornady SST InterLock bullet and 44 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%
57246
90%
**66
100%
ADI AR 2213
<<locked>>
86%
56768
89%
**86
99%
ADI AR 2217
<<locked>>
95%
57029
89%
**86
100%
ADI AR 2218
<<locked>>
97%
54128
85%
**28
97%
ADI AR 2225 👍
<<locked>>
97%
56362
88%
**02
100%
Accurate 3100
<<locked>>
86%
57159
90%
**91
100%
[Accurate 8700]*
<<locked>>
97%
42627
67%
**77
92%
Accurate MAGPRO
<<locked>>
86%
57246
90%
**99
99%
Alliant Reloder-19
<<locked>>
84%
57377
90%
**53
100%
Alliant Reloder-22
<<locked>>
86%
57334
90%
**79
100%
Alliant Reloder-23
<<locked>>
87%
57058
89%
**20
100%
Alliant Reloder-25
<<locked>>
91%
56869
89%
**76
100%
Alliant Reloder-33
<<locked>>
95%
57290
90%
**19
97%
Alliant Reloder-50
<<locked>>
97%
51648
81%
**04
96%
Hodgdon H1000
<<locked>>
95%
57029
89%
**86
100%
Hodgdon H4831
<<locked>>
89%
56971
89%
**30
99%
Hodgdon H4831 SC
<<locked>>
86%
57377
90%
**46
99%
Hodgdon Retumbo 👍
<<locked>>
97%
56362
88%
**02
100%
Hodgdon TrailBoss
<<locked>>
97%
36289
57%
**37
100%
IMR 4831
<<locked>>
83%
57159
90%
**91
100%
IMR 4955 Enduron
<<locked>>
87%
57029
89%
**10
99%
IMR 7828 SSC
<<locked>>
85%
57029
89%
**96
100%
[IMR 7977 Enduron]*
<<locked>>
92%
57000
89%
**77
94%
IMR 8133 Enduron
<<locked>>
97%
51880
81%
**07
99%
[Lovex D100]*
<<locked>>
95%
57261
90%
**97
93%
Lovex S071
<<locked>>
91%
57377
90%
**87
100%
Norma 217
<<locked>>
97%
52837
83%
**30
100%
Norma MRP
<<locked>>
84%
57058
89%
**89
100%
Ramshot Magnum
<<locked>>
86%
57188
90%
**40
100%
ReloadSwiss RS 14
<<locked>>
96%
37014
58%
**80
100%
ReloadSwiss RS 76 👍
<<locked>>
91%
57188
90%
**45
100%
ReloadSwiss RS 80 👍
<<locked>>
93%
57276
90%
**15
99%
Rottweil R 904
<<locked>>
83%
56782
89%
**10
99%
Rottweil R 905
<<locked>>
84%
57217
90%
**50
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
45223
71%
**13
93%
Somchem S385
<<locked>>
84%
56956
89%
**10
100%
Vihtavuori N165
<<locked>>
89%
57145
90%
**91
100%
Vihtavuori N170
<<locked>>
97%
56623
89%
**14
96%
Vihtavuori N555
<<locked>>
84%
57058
89%
**20
100%
Vihtavuori N560
<<locked>>
86%
56884
89%
**92
99%
Vihtavuori N565 👍
<<locked>>
90%
57232
90%
**69
99%
Vihtavuori N568
<<locked>>
93%
57305
90%
**12
99%
Vihtavuori N570
<<locked>>
94%
57290
90%
**51
97%
Winchester StaBALL HD
<<locked>>
87%
56942
89%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
52011
82%
**74
100%
ADI AR 2213
<<locked>>
81%
47253
74%
**09
98%
[ADI AR 2217]*
<<locked>>
81%
35070
55%
**07
94%
[ADI AR 2218]*
<<locked>>
88%
38754
61%
**51
90%
ADI AR 2225
<<locked>>
81%
32329
51%
**74
96%
Accurate 3100
<<locked>>
81%
47776
75%
**23
100%
[Accurate 8700]*
<<locked>>
94%
38247
60%
**72
90%
Accurate MAGPRO
<<locked>>
81%
47442
74%
**02
96%
Alliant Reloder-19
<<locked>>
81%
51793
81%
**54
99%
Alliant Reloder-22
<<locked>>
81%
47950
75%
**02
99%
Alliant Reloder-23
<<locked>>
81%
46615
73%
**43
100%
Alliant Reloder-25
<<locked>>
81%
40495
63%
**67
100%
[Alliant Reloder-33]*
<<locked>>
84%
37347
59%
**05
90%
[Alliant Reloder-50]*
<<locked>>
89%
38508
60%
**18
90%
[Hodgdon H1000]*
<<locked>>
81%
35070
55%
**07
94%
Hodgdon H4831
<<locked>>
81%
43758
69%
**81
96%
Hodgdon H4831 SC
<<locked>>
81%
49037
77%
**92
98%
Hodgdon Retumbo
<<locked>>
81%
32329
51%
**74
96%
Hodgdon TrailBoss
<<locked>>
81%
28964
45%
**70
100%
IMR 4831
<<locked>>
81%
53359
84%
**38
100%
IMR 4955 Enduron
<<locked>>
81%
47601
75%
**40
98%
IMR 7828 SSC
<<locked>>
81%
48892
77%
**41
98%
[IMR 7977 Enduron]*
<<locked>>
84%
44672
70%
**38
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29878
47%
**89
91%
[Lovex D100]*
<<locked>>
91%
48443
76%
**36
90%
Lovex S071
<<locked>>
81%
40886
64%
**82
99%
[Norma 217]*
<<locked>>
81%
29994
47%
**05
94%
Norma MRP
<<locked>>
81%
51358
80%
**91
100%
Ramshot Magnum
<<locked>>
81%
46369
73%
**49
99%
ReloadSwiss RS 14
<<locked>>
81%
29675
47%
**13
100%
ReloadSwiss RS 76
<<locked>>
81%
39276
62%
**97
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
36027
56%
**56
92%
Rottweil R 904
<<locked>>
81%
52388
82%
**35
99%
Rottweil R 905
<<locked>>
81%
51503
81%
**51
100%
[SNPE Vectan SP 13]*
<<locked>>
93%
39421
62%
**85
90%
Somchem S385
<<locked>>
81%
51996
81%
**31
100%
Vihtavuori N165
<<locked>>
81%
44092
69%
**54
99%
[Vihtavuori N170]*
<<locked>>
86%
39697
62%
**66
90%
Vihtavuori N555
<<locked>>
81%
51401
81%
**31
100%
Vihtavuori N560
<<locked>>
81%
48153
75%
**28
98%
Vihtavuori N565
<<locked>>
81%
42250
66%
**74
96%
[Vihtavuori N568]*
<<locked>>
81%
37318
58%
**89
92%
[Vihtavuori N570]*
<<locked>>
83%
38319
60%
**31
90%
Winchester StaBALL HD
<<locked>>
81%
45963
72%
**02
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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