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Load data for 7 mm KM Katzmaier + .284 | 139gr | MEN SF

Recommended Powder(s):

7 mm KM Katzmaier + .284 | 139gr | MEN SF

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | MEN SF
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:
0.236" | 6.0mm
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_B3778_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 76 loads in caliber 7 mm KM Katzmaier with .284 | 139gr | MEN SF 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%
57087
89%
**79
99%
ADI AR 2217 👍
<<locked>>
94%
57043
89%
**79
100%
ADI AR 2218
<<locked>>
97%
56681
89%
**64
98%
ADI AR 2225 👍
<<locked>>
96%
57072
89%
**05
100%
Accurate 3100
<<locked>>
85%
57058
89%
**74
100%
[Accurate 8700]*
<<locked>>
97%
45034
71%
**23
93%
Accurate MAGPRO
<<locked>>
85%
57392
90%
**89
98%
Alliant Reloder-22
<<locked>>
85%
57203
90%
**76
100%
Alliant Reloder-23
<<locked>>
86%
57000
89%
**00
100%
Alliant Reloder-25
<<locked>>
90%
57421
90%
**73
100%
Alliant Reloder-33
<<locked>>
94%
57348
90%
**15
98%
Alliant Reloder-50
<<locked>>
97%
54998
86%
**63
97%
Hodgdon H1000 👍
<<locked>>
94%
57043
89%
**79
100%
Hodgdon H4831
<<locked>>
88%
57130
90%
**33
99%
Hodgdon H4831 SC
<<locked>>
85%
57435
90%
**33
99%
Hodgdon Retumbo 👍
<<locked>>
96%
57072
89%
**05
100%
Hodgdon TrailBoss
<<locked>>
96%
36361
57%
**34
100%
IMR 4955 Enduron
<<locked>>
86%
57043
89%
**10
99%
IMR 7828 SSC
<<locked>>
84%
57217
90%
**02
100%
[IMR 7977 Enduron]*
<<locked>>
91%
57421
90%
**68
94%
IMR 8133 Enduron
<<locked>>
97%
54665
86%
**63
100%
[Lovex D100]*
<<locked>>
94%
57174
90%
**84
93%
Lovex S071
<<locked>>
90%
57058
89%
**74
100%
Norma 217 👍
<<locked>>
97%
56420
88%
**86
100%
[Ramshot LRT]*
<<locked>>
97%
56246
88%
**92
92%
Ramshot Magnum
<<locked>>
85%
57276
90%
**40
100%
ReloadSwiss RS 14
<<locked>>
96%
37362
59%
**83
100%
ReloadSwiss RS 76
<<locked>>
89%
57406
90%
**38
100%
ReloadSwiss RS 80
<<locked>>
91%
56724
89%
**99
99%
[SNPE Vectan SP 13]*
<<locked>>
97%
47543
75%
**59
94%
[Vihtavuori 24N41]*
<<locked>>
97%
56811
89%
**53
92%
Vihtavuori N165
<<locked>>
88%
57217
90%
**84
100%
Vihtavuori N170
<<locked>>
96%
57145
90%
**17
96%
Vihtavuori N560
<<locked>>
85%
57101
89%
**05
99%
Vihtavuori N565
<<locked>>
88%
56884
89%
**59
99%
Vihtavuori N568
<<locked>>
91%
57087
89%
**12
99%
Vihtavuori N570
<<locked>>
92%
56608
89%
**35
97%
Winchester StaBALL HD
<<locked>>
85%
56695
89%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49356
77%
**48
98%
ADI AR 2217
<<locked>>
81%
37333
59%
**66
95%
[ADI AR 2218]*
<<locked>>
86%
38551
60%
**48
90%
ADI AR 2225
<<locked>>
81%
34664
54%
**40
97%
Accurate 3100
<<locked>>
81%
50647
79%
**76
100%
[Accurate 8700]*
<<locked>>
92%
37942
59%
**62
90%
Accurate MAGPRO
<<locked>>
81%
49908
78%
**51
97%
Alliant Reloder-22
<<locked>>
81%
50299
79%
**45
99%
Alliant Reloder-23
<<locked>>
81%
48892
77%
**79
100%
Alliant Reloder-25
<<locked>>
81%
42888
67%
**20
100%
[Alliant Reloder-33]*
<<locked>>
82%
37289
58%
**95
90%
[Alliant Reloder-50]*
<<locked>>
87%
38754
61%
**18
90%
Hodgdon H1000
<<locked>>
81%
37333
59%
**66
95%
Hodgdon H4831
<<locked>>
81%
45759
72%
**17
97%
Hodgdon H4831 SC
<<locked>>
81%
50879
80%
**18
98%
Hodgdon Retumbo
<<locked>>
81%
34664
54%
**40
97%
Hodgdon TrailBoss
<<locked>>
81%
29066
46%
**67
100%
IMR 4955 Enduron
<<locked>>
81%
49356
77%
**63
98%
IMR 7828 SSC
<<locked>>
81%
51227
80%
**81
99%
[IMR 7977 Enduron]*
<<locked>>
83%
44309
69%
**15
90%
[IMR 8133 Enduron]*
<<locked>>
81%
32256
51%
**48
92%
[Lovex D100]*
<<locked>>
89%
48182
75%
**27
90%
Lovex S071
<<locked>>
81%
43787
69%
**41
100%
Norma 217
<<locked>>
81%
32663
51%
**77
95%
[Ramshot LRT]*
<<locked>>
94%
50314
79%
**64
90%
Ramshot Magnum
<<locked>>
81%
48994
77%
**99
100%
ReloadSwiss RS 14
<<locked>>
81%
30037
47%
**13
100%
ReloadSwiss RS 76
<<locked>>
81%
41814
66%
**49
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
38885
61%
**25
94%
[SNPE Vectan SP 13]*
<<locked>>
91%
38885
61%
**72
90%
[Vihtavuori 24N41]*
<<locked>>
94%
50473
79%
**35
90%
Vihtavuori N165
<<locked>>
81%
46398
73%
**04
99%
[Vihtavuori N170]*
<<locked>>
84%
39668
62%
**53
90%
Vihtavuori N560
<<locked>>
81%
50560
79%
**84
98%
Vihtavuori N565
<<locked>>
81%
44759
70%
**33
97%
[Vihtavuori N568]*
<<locked>>
81%
39711
62%
**41
94%
[Vihtavuori N570]*
<<locked>>
81%
38072
60%
**31
90%
Winchester StaBALL HD
<<locked>>
81%
48805
76%
**61
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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