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Load data for 7 mm KM Katzmaier + .284 | 145gr | Speer Grand Slam

Recommended Powder(s):

7 mm KM Katzmaier + .284 | 145gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 145gr | Speer Grand Slam
Manufacturer SKU:
1632
Bullet Weight:
145gr | 9.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.110" | 28.2mm
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:
0.166" | 4.2mm
Shank Seated Depth:
0.166" | 4.2mm
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_B6125_C1057
Last updated:
2025-01-01

Load data for 76 loads in caliber 7 mm KM Katzmaier with .284 | 145gr | Speer Grand Slam bullet and 38 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".

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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

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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%
57406
90%
**43
100%
ADI AR 2217 👍
<<locked>>
93%
57363
90%
**23
100%
ADI AR 2218
<<locked>>
97%
56826
89%
**22
98%
ADI AR 2225 👍
<<locked>>
95%
57305
90%
**53
100%
Accurate 3100
<<locked>>
85%
57305
90%
**31
100%
[Accurate 8700]*
<<locked>>
97%
45469
71%
**90
94%
Accurate MAGPRO
<<locked>>
85%
56826
89%
**40
99%
Alliant Reloder-22
<<locked>>
85%
57232
90%
**20
100%
Alliant Reloder-23
<<locked>>
86%
57014
89%
**54
100%
Alliant Reloder-25
<<locked>>
89%
57334
90%
**27
100%
Alliant Reloder-33
<<locked>>
94%
57334
90%
**82
98%
Alliant Reloder-50
<<locked>>
97%
55100
86%
**27
97%
Hodgdon H1000 👍
<<locked>>
93%
57363
90%
**23
100%
Hodgdon H4831
<<locked>>
88%
56927
89%
**84
99%
Hodgdon H4831 SC
<<locked>>
84%
56927
89%
**84
99%
Hodgdon Retumbo 👍
<<locked>>
95%
57305
90%
**53
100%
Hodgdon TrailBoss
<<locked>>
96%
36129
57%
**01
100%
IMR 4955 Enduron
<<locked>>
86%
57217
90%
**64
100%
IMR 7828 SSC
<<locked>>
84%
57421
90%
**53
100%
IMR 7977 Enduron
<<locked>>
91%
57392
90%
**31
95%
IMR 8133 Enduron
<<locked>>
97%
54940
86%
**14
100%
[Lovex D100]*
<<locked>>
94%
57130
90%
**45
94%
Lovex S071
<<locked>>
90%
57116
89%
**35
100%
Norma 217 👍
<<locked>>
97%
56101
88%
**33
100%
[Ramshot LRT]*
<<locked>>
97%
56391
88%
**36
93%
Ramshot Magnum
<<locked>>
85%
56884
89%
**87
100%
ReloadSwiss RS 14
<<locked>>
96%
37144
58%
**47
100%
ReloadSwiss RS 76
<<locked>>
89%
57203
90%
**79
100%
ReloadSwiss RS 80
<<locked>>
91%
56666
89%
**46
99%
SNPE Vectan SP 13
<<locked>>
97%
47456
74%
**20
95%
[Vihtavuori 24N41]*
<<locked>>
97%
57174
90%
**10
93%
Vihtavuori N165
<<locked>>
88%
57087
89%
**41
100%
Vihtavuori N170
<<locked>>
96%
57319
90%
**77
97%
Vihtavuori N560
<<locked>>
85%
57261
90%
**50
99%
Vihtavuori N565
<<locked>>
88%
56840
89%
**17
100%
Vihtavuori N568
<<locked>>
91%
57145
90%
**53
99%
Vihtavuori N570
<<locked>>
92%
57174
90%
**92
98%
Winchester StaBALL HD
<<locked>>
85%
57232
90%
**33
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49414
77%
**95
99%
ADI AR 2217
<<locked>>
81%
36941
58%
**20
96%
[ADI AR 2218]*
<<locked>>
86%
37811
59%
**85
90%
ADI AR 2225
<<locked>>
81%
34113
53%
**80
98%
Accurate 3100
<<locked>>
81%
50169
79%
**20
100%
[Accurate 8700]*
<<locked>>
91%
37072
58%
**03
90%
Accurate MAGPRO
<<locked>>
81%
49821
78%
**99
97%
Alliant Reloder-22
<<locked>>
81%
50198
79%
**02
100%
Alliant Reloder-23
<<locked>>
81%
48834
77%
**23
100%
Alliant Reloder-25
<<locked>>
81%
42946
67%
**71
100%
[Alliant Reloder-33]*
<<locked>>
82%
35752
56%
**13
90%
[Alliant Reloder-50]*
<<locked>>
87%
37536
59%
**33
90%
Hodgdon H1000
<<locked>>
81%
36941
58%
**20
96%
Hodgdon H4831
<<locked>>
81%
45832
72%
**81
98%
Hodgdon H4831 SC
<<locked>>
81%
50923
80%
**86
99%
Hodgdon Retumbo
<<locked>>
81%
34113
53%
**80
98%
Hodgdon TrailBoss
<<locked>>
81%
28979
45%
**37
100%
IMR 4955 Enduron
<<locked>>
81%
49313
77%
**30
98%
IMR 7828 SSC
<<locked>>
81%
51445
81%
**38
99%
[IMR 7977 Enduron]*
<<locked>>
81%
42467
67%
**46
90%
[IMR 8133 Enduron]*
<<locked>>
81%
31589
50%
**89
93%
[Lovex D100]*
<<locked>>
88%
46514
73%
**48
90%
Lovex S071
<<locked>>
81%
43149
68%
**89
100%
Norma 217
<<locked>>
81%
32010
50%
**18
95%
[Ramshot LRT]*
<<locked>>
92%
48298
76%
**89
90%
Ramshot Magnum
<<locked>>
81%
48950
77%
**59
100%
ReloadSwiss RS 14
<<locked>>
81%
29878
47%
**83
100%
ReloadSwiss RS 76
<<locked>>
81%
41684
65%
**00
100%
[ReloadSwiss RS 80]*
<<locked>>
81%
38522
60%
**82
94%
[SNPE Vectan SP 13]*
<<locked>>
90%
37681
59%
**94
90%
[Vihtavuori 24N41]*
<<locked>>
93%
48805
76%
**59
90%
Vihtavuori N165
<<locked>>
81%
46253
72%
**51
99%
[Vihtavuori N170]*
<<locked>>
84%
38334
60%
**84
90%
Vihtavuori N560
<<locked>>
81%
50488
79%
**25
99%
Vihtavuori N565
<<locked>>
81%
44512
70%
**77
97%
[Vihtavuori N568]*
<<locked>>
81%
39537
62%
**99
94%
[Vihtavuori N570]*
<<locked>>
81%
37579
59%
**66
90%
Winchester StaBALL HD
<<locked>>
81%
48849
77%
**99
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.

<<locked>>... you need to buy an access license to unlock the data

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