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Load data for 7 mm KM Katzmaier + .284 | 150gr | Swift Scirocco

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, ReloadSwiss RS 80

7 mm KM Katzmaier + .284 | 150gr | Swift Scirocco

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Swift Scirocco
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.385" | 35.2mm
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:
0.441" | 11.2mm
Shank Seated Depth:
0.336" | 8.5mm
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_B10839_C1057
Last updated:
2025-02-02
Recommended Twist Rate:
1:10 - 1:8

Load data for 78 loads in caliber 7 mm KM Katzmaier with .284 | 150gr | Swift Scirocco bullet and 39 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, ReloadSwiss RS 80. 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 2213
<<locked>>
85%
57159
90%
**91
100%
ADI AR 2217 👍
<<locked>>
94%
57261
90%
**87
100%
ADI AR 2218
<<locked>>
97%
55869
88%
**69
98%
ADI AR 2225 👍
<<locked>>
96%
57145
90%
**20
100%
Accurate 3100
<<locked>>
85%
57305
90%
**99
100%
[Accurate 8700]*
<<locked>>
97%
44614
70%
**51
94%
Accurate MAGPRO
<<locked>>
85%
57261
90%
**04
99%
Alliant Reloder-22
<<locked>>
85%
56971
89%
**81
100%
Alliant Reloder-23
<<locked>>
86%
56985
89%
**12
100%
Alliant Reloder-25
<<locked>>
90%
57145
90%
**87
100%
Alliant Reloder-33
<<locked>>
94%
56695
89%
**30
98%
Alliant Reloder-50
<<locked>>
97%
54563
86%
**77
97%
Hodgdon H1000 👍
<<locked>>
94%
57261
90%
**87
100%
Hodgdon H4831
<<locked>>
88%
57377
90%
**58
100%
Hodgdon H4831 SC
<<locked>>
85%
57377
90%
**58
100%
Hodgdon Retumbo 👍
<<locked>>
96%
57145
90%
**20
100%
Hodgdon TrailBoss
<<locked>>
97%
36405
57%
**65
100%
IMR 4955 Enduron
<<locked>>
86%
57232
90%
**18
100%
IMR 7828 SSC
<<locked>>
84%
57043
89%
**00
100%
IMR 7977 Enduron
<<locked>>
91%
56782
89%
**79
95%
IMR 8133 Enduron
<<locked>>
97%
54375
85%
**71
100%
[Lovex D100]*
<<locked>>
94%
57029
89%
**05
94%
Lovex S071
<<locked>>
90%
57305
90%
**99
100%
Norma 217
<<locked>>
97%
55390
87%
**87
100%
Norma MRP
<<locked>>
83%
57377
90%
**04
100%
[Ramshot LRT]*
<<locked>>
97%
55622
87%
**04
93%
Ramshot Magnum
<<locked>>
85%
57130
90%
**48
100%
ReloadSwiss RS 14
<<locked>>
97%
37376
59%
**11
100%
ReloadSwiss RS 76
<<locked>>
89%
57000
89%
**46
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
57203
90%
**30
99%
SNPE Vectan SP 13
<<locked>>
97%
46963
74%
**77
95%
[Vihtavuori 24N41]*
<<locked>>
97%
56521
89%
**71
93%
Vihtavuori N165
<<locked>>
88%
56942
89%
**05
100%
Vihtavuori N170
<<locked>>
96%
57087
89%
**28
97%
Vihtavuori N560
<<locked>>
85%
57043
89%
**17
100%
Vihtavuori N565
<<locked>>
89%
57406
90%
**81
100%
Vihtavuori N568
<<locked>>
92%
57174
90%
**23
99%
Vihtavuori N570
<<locked>>
92%
57000
89%
**56
98%
Winchester StaBALL HD
<<locked>>
85%
57058
89%
**94
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49052
77%
**49
99%
ADI AR 2217
<<locked>>
81%
36637
57%
**84
96%
[ADI AR 2218]*
<<locked>>
85%
36521
57%
**23
90%
ADI AR 2225
<<locked>>
81%
34026
53%
**51
98%
Accurate 3100
<<locked>>
81%
49908
78%
**71
100%
[Accurate 8700]*
<<locked>>
91%
36651
57%
**64
90%
Accurate MAGPRO
<<locked>>
81%
49313
77%
**66
98%
Alliant Reloder-22
<<locked>>
81%
49734
78%
**53
100%
Alliant Reloder-23
<<locked>>
81%
48544
76%
**81
100%
Alliant Reloder-25
<<locked>>
81%
42554
67%
**22
100%
[Alliant Reloder-33]*
<<locked>>
81%
34940
55%
**64
90%
[Alliant Reloder-50]*
<<locked>>
86%
36680
57%
**00
90%
Hodgdon H1000
<<locked>>
81%
36637
57%
**84
96%
Hodgdon H4831
<<locked>>
81%
45397
71%
**38
98%
Hodgdon H4831 SC
<<locked>>
81%
50502
79%
**33
99%
Hodgdon Retumbo
<<locked>>
81%
34026
53%
**51
98%
Hodgdon TrailBoss
<<locked>>
81%
28921
45%
**95
100%
IMR 4955 Enduron
<<locked>>
81%
49168
77%
**87
99%
IMR 7828 SSC
<<locked>>
81%
51169
80%
**99
99%
[IMR 7977 Enduron]*
<<locked>>
81%
42163
66%
**97
90%
[IMR 8133 Enduron]*
<<locked>>
81%
31502
49%
**62
93%
[Lovex D100]*
<<locked>>
88%
45759
72%
**05
90%
Lovex S071
<<locked>>
81%
42917
67%
**43
100%
Norma 217
<<locked>>
81%
31937
50%
**92
96%
Norma MRP
<<locked>>
81%
53388
84%
**28
100%
[Ramshot LRT]*
<<locked>>
93%
47921
75%
**40
90%
Ramshot Magnum
<<locked>>
81%
48298
76%
**04
100%
ReloadSwiss RS 14
<<locked>>
81%
29863
47%
**41
100%
ReloadSwiss RS 76
<<locked>>
81%
41408
65%
**67
100%
ReloadSwiss RS 80
<<locked>>
81%
38101
60%
**36
95%
[SNPE Vectan SP 13]*
<<locked>>
90%
37086
58%
**61
90%
[Vihtavuori 24N41]*
<<locked>>
92%
48109
75%
**07
90%
Vihtavuori N165
<<locked>>
81%
45730
72%
**08
99%
[Vihtavuori N170]*
<<locked>>
83%
37855
59%
**44
90%
Vihtavuori N560
<<locked>>
81%
50082
78%
**79
99%
Vihtavuori N565
<<locked>>
81%
44295
69%
**41
98%
[Vihtavuori N568]*
<<locked>>
81%
39175
61%
**56
94%
[Vihtavuori N570]*
<<locked>>
81%
37478
59%
**43
91%
Winchester StaBALL HD
<<locked>>
81%
48486
76%
**59
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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