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Load data for 7 mm KM Katzmaier + .284 | 157gr | CutEdge MTAC

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

7 mm KM Katzmaier + .284 | 157gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 157gr | CutEdge MTAC
Manufacturer SKU:
MTAC J08
Bullet Weight:
157gr | 10.2g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.468" | 37.3mm
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:
0.524" | 13.3mm
Shank Seated Depth:
0.310" | 7.9mm
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_B8462_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 86 loads in caliber 7 mm KM Katzmaier with .284 | 157gr | CutEdge MTAC bullet and 43 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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  • 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%
56956
89%
**38
100%
ADI AR 2217 👍
<<locked>>
94%
57290
90%
**41
100%
ADI AR 2218
<<locked>>
97%
56072
88%
**23
99%
ADI AR 2225 👍
<<locked>>
96%
57377
90%
**71
100%
Accurate 3100
<<locked>>
86%
56913
89%
**43
100%
Accurate 8700
<<locked>>
97%
44396
70%
**08
95%
Accurate MAGPRO
<<locked>>
85%
56898
89%
**51
99%
Alliant Reloder-19
<<locked>>
83%
57363
90%
**05
100%
Alliant Reloder-22
<<locked>>
85%
57261
90%
**38
100%
Alliant Reloder-23
<<locked>>
86%
57145
90%
**63
100%
Alliant Reloder-25
<<locked>>
90%
56855
89%
**28
100%
Alliant Reloder-33
<<locked>>
95%
57305
90%
**91
98%
Alliant Reloder-50
<<locked>>
97%
53635
84%
**22
97%
Hodgdon H1000 👍
<<locked>>
94%
57290
90%
**41
100%
Hodgdon H4831
<<locked>>
88%
57116
89%
**92
100%
Hodgdon H4831 SC
<<locked>>
85%
57116
89%
**92
100%
Hodgdon Retumbo 👍
<<locked>>
96%
57377
90%
**71
100%
Hodgdon TrailBoss
<<locked>>
96%
36042
56%
**19
100%
IMR 4955 Enduron
<<locked>>
86%
56898
89%
**63
100%
IMR 7828 SSC
<<locked>>
84%
57101
89%
**45
100%
IMR 7977 Enduron
<<locked>>
91%
57334
90%
**46
96%
IMR 8133 Enduron
<<locked>>
97%
53287
83%
**99
100%
[Lovex D100]*
<<locked>>
94%
57101
89%
**66
94%
Lovex S071
<<locked>>
90%
56913
89%
**43
100%
Norma 217
<<locked>>
97%
54984
86%
**31
100%
Norma MRP
<<locked>>
83%
57087
89%
**48
100%
[Ramshot LRT]*
<<locked>>
97%
55666
87%
**54
94%
Ramshot Magnum
<<locked>>
86%
57377
90%
**09
100%
ReloadSwiss RS 14
<<locked>>
97%
37289
58%
**69
100%
ReloadSwiss RS 76
<<locked>>
90%
57145
90%
**94
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
56985
89%
**68
100%
Rottweil R 905
<<locked>>
83%
57130
90%
**09
100%
SNPE Vectan SP 13
<<locked>>
97%
45977
72%
**12
95%
Somchem S385
<<locked>>
83%
57087
89%
**69
100%
[Vihtavuori 24N41]*
<<locked>>
97%
55738
87%
**12
93%
Vihtavuori N165
<<locked>>
88%
57188
90%
**49
100%
Vihtavuori N170
<<locked>>
96%
57232
90%
**92
97%
Vihtavuori N555
<<locked>>
83%
56898
89%
**63
100%
Vihtavuori N560
<<locked>>
85%
57246
90%
**58
100%
Vihtavuori N565
<<locked>>
89%
57363
90%
**41
100%
Vihtavuori N568
<<locked>>
92%
57305
90%
**74
99%
Vihtavuori N570
<<locked>>
93%
57072
89%
**07
98%
Winchester StaBALL HD
<<locked>>
86%
56985
89%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
48588
76%
**00
99%
ADI AR 2217
<<locked>>
81%
35940
56%
**25
96%
[ADI AR 2218]*
<<locked>>
85%
35491
56%
**57
90%
ADI AR 2225
<<locked>>
81%
33025
52%
**85
98%
Accurate 3100
<<locked>>
81%
48863
77%
**08
100%
[Accurate 8700]*
<<locked>>
91%
35665
56%
**02
90%
Accurate MAGPRO
<<locked>>
81%
48820
76%
**07
98%
Alliant Reloder-19
<<locked>>
81%
53301
84%
**46
100%
Alliant Reloder-22
<<locked>>
81%
49153
77%
**90
100%
Alliant Reloder-23
<<locked>>
81%
47935
75%
**25
100%
Alliant Reloder-25
<<locked>>
81%
41959
66%
**66
100%
[Alliant Reloder-33]*
<<locked>>
81%
34243
54%
**05
90%
[Alliant Reloder-50]*
<<locked>>
86%
35520
56%
**18
90%
Hodgdon H1000
<<locked>>
81%
35940
56%
**25
96%
Hodgdon H4831
<<locked>>
81%
44860
70%
**72
98%
Hodgdon H4831 SC
<<locked>>
81%
50082
78%
**77
99%
Hodgdon Retumbo
<<locked>>
81%
33025
52%
**85
98%
Hodgdon TrailBoss
<<locked>>
81%
28950
45%
**59
100%
IMR 4955 Enduron
<<locked>>
81%
48602
76%
**25
99%
IMR 7828 SSC
<<locked>>
81%
50546
79%
**40
99%
[IMR 7977 Enduron]*
<<locked>>
81%
41162
64%
**35
90%
[IMR 8133 Enduron]*
<<locked>>
81%
30574
48%
**97
93%
[Lovex D100]*
<<locked>>
88%
44541
70%
**40
90%
Lovex S071
<<locked>>
81%
41800
66%
**71
100%
Norma 217
<<locked>>
81%
30850
48%
**20
96%
Norma MRP
<<locked>>
81%
52837
83%
**66
100%
[Ramshot LRT]*
<<locked>>
92%
46267
72%
**71
90%
Ramshot Magnum
<<locked>>
81%
47819
75%
**44
100%
ReloadSwiss RS 14
<<locked>>
81%
29704
47%
**98
100%
ReloadSwiss RS 76
<<locked>>
81%
40582
64%
**99
100%
ReloadSwiss RS 80
<<locked>>
81%
37159
58%
**71
95%
Rottweil R 905
<<locked>>
81%
52939
83%
**30
100%
[SNPE Vectan SP 13]*
<<locked>>
90%
35955
56%
**89
90%
Somchem S385
<<locked>>
81%
52982
83%
**04
100%
[Vihtavuori 24N41]*
<<locked>>
92%
46644
73%
**38
90%
Vihtavuori N165
<<locked>>
81%
45121
71%
**43
99%
[Vihtavuori N170]*
<<locked>>
83%
36883
58%
**79
90%
Vihtavuori N555
<<locked>>
81%
52736
83%
**07
100%
Vihtavuori N560
<<locked>>
81%
49748
78%
**36
99%
Vihtavuori N565
<<locked>>
81%
43178
68%
**79
98%
[Vihtavuori N568]*
<<locked>>
81%
38130
60%
**90
94%
[Vihtavuori N570]*
<<locked>>
81%
36564
57%
**80
91%
Winchester StaBALL HD
<<locked>>
81%
47442
74%
**84
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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