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Load data for 7 mm KM Katzmaier + .284 | 140gr | Nosler Expansion Tip

Recommended Powder(s):

7 mm KM Katzmaier + .284 | 140gr | Nosler Expansion Tip

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Nosler Expansion Tip
Manufacturer SKU:
59955
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 mm KM Katzmaier load data
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B4054_C1057
Last updated:
2026-02-03
Recommended Twist Rate:
1:10 - 1:9

Load data for 98 loads in caliber 7 mm KM Katzmaier with .284 | 140gr | Nosler Expansion Tip bullet and 49 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 2209
<<locked>>
84%
57319
90%
**53
100%
ADI AR 2213
<<locked>>
86%
57261
90%
**86
100%
ADI AR 2217
<<locked>>
95%
56956
89%
**63
100%
ADI AR 2218
<<locked>>
97%
53998
85%
**15
97%
ADI AR 2225 👍
<<locked>>
97%
56376
88%
**92
100%
Accurate 3100
<<locked>>
86%
57348
90%
**77
100%
[Accurate 8700]*
<<locked>>
97%
43337
68%
**84
93%
Accurate MAGPRO
<<locked>>
86%
57087
89%
**82
98%
Alliant Reloder-19
<<locked>>
84%
57043
89%
**46
100%
Alliant Reloder-22
<<locked>>
86%
57246
90%
**66
100%
Alliant Reloder-23
<<locked>>
87%
56855
89%
**04
100%
Alliant Reloder-25
<<locked>>
91%
57348
90%
**79
100%
Alliant Reloder-33
<<locked>>
95%
57072
89%
**25
98%
Alliant Reloder-50
<<locked>>
97%
52156
82%
**07
96%
Baschieri & Pellagri 109
<<locked>>
88%
57159
90%
**27
98%
Bofors RP15
<<locked>>
88%
56985
89%
**69
100%
Bofors RP30 👍
<<locked>>
93%
57159
90%
**79
100%
Bofors RP5
<<locked>>
86%
57246
90%
**66
100%
Hodgdon H1000
<<locked>>
95%
56956
89%
**63
100%
Hodgdon H4831
<<locked>>
89%
57043
89%
**27
99%
Hodgdon H4831 SC
<<locked>>
85%
57043
89%
**27
99%
Hodgdon Retumbo 👍
<<locked>>
97%
56376
88%
**92
100%
Hodgdon TrailBoss
<<locked>>
97%
36376
57%
**28
100%
IMR 4955 Enduron
<<locked>>
87%
57188
90%
**10
99%
IMR 7828 SSC
<<locked>>
85%
56782
89%
**79
99%
[IMR 7977 Enduron]*
<<locked>>
91%
56927
89%
**64
94%
IMR 8133 Enduron
<<locked>>
97%
52127
82%
**14
99%
[Lovex D100]*
<<locked>>
95%
57290
90%
**77
93%
Lovex S071
<<locked>>
91%
57348
90%
**77
100%
Norma 217
<<locked>>
97%
53737
84%
**40
100%
Norma MRP
<<locked>>
84%
57261
90%
**76
100%
Ramshot Grand
<<locked>>
83%
57130
90%
**92
100%
Ramshot Magnum
<<locked>>
86%
57116
89%
**27
100%
ReloadSwiss RS 14
<<locked>>
97%
37289
58%
**70
100%
ReloadSwiss RS 76 👍
<<locked>>
90%
56855
89%
**35
100%
ReloadSwiss RS 80
<<locked>>
93%
57058
89%
**02
99%
Rottweil R 904
<<locked>>
84%
57377
90%
**10
100%
Rottweil R 905
<<locked>>
84%
57101
89%
**30
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
45165
71%
**13
93%
[Shooters World 50 BMG]*
<<locked>>
95%
57290
90%
**77
93%
Somchem S385
<<locked>>
84%
56913
89%
**94
100%
Vihtavuori N165
<<locked>>
89%
57000
89%
**77
100%
Vihtavuori N170
<<locked>>
97%
57072
89%
**04
96%
Vihtavuori N555
<<locked>>
84%
57116
89%
**04
100%
Vihtavuori N560
<<locked>>
86%
57406
90%
**92
99%
Vihtavuori N565 👍
<<locked>>
90%
57276
90%
**63
99%
Vihtavuori N568
<<locked>>
93%
57406
90%
**09
99%
Vihtavuori N570
<<locked>>
94%
56956
89%
**32
97%
Winchester StaBALL HD
<<locked>>
87%
56942
89%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
52315
82%
**61
100%
ADI AR 2213
<<locked>>
81%
47587
75%
**02
98%
[ADI AR 2217]*
<<locked>>
81%
35505
56%
**20
94%
[ADI AR 2218]*
<<locked>>
88%
38638
61%
**41
90%
ADI AR 2225
<<locked>>
81%
32953
52%
**87
97%
Accurate 3100
<<locked>>
81%
48515
76%
**27
100%
[Accurate 8700]*
<<locked>>
94%
38406
60%
**72
90%
Accurate MAGPRO
<<locked>>
81%
47819
75%
**09
96%
Alliant Reloder-19
<<locked>>
81%
52098
82%
**58
100%
Alliant Reloder-22
<<locked>>
81%
48399
76%
**15
99%
Alliant Reloder-23
<<locked>>
81%
47036
74%
**36
100%
Alliant Reloder-25
<<locked>>
81%
40915
64%
**77
100%
[Alliant Reloder-33]*
<<locked>>
83%
36593
57%
**79
90%
[Alliant Reloder-50]*
<<locked>>
88%
38000
60%
**02
90%
Baschieri & Pellagri 109
<<locked>>
81%
45252
71%
**04
95%
Bofors RP15
<<locked>>
81%
44918
70%
**36
98%
Bofors RP30
<<locked>>
81%
38479
60%
**02
96%
Bofors RP5
<<locked>>
81%
48399
76%
**15
99%
[Hodgdon H1000]*
<<locked>>
81%
35505
56%
**20
94%
Hodgdon H4831
<<locked>>
81%
44222
69%
**81
97%
Hodgdon H4831 SC
<<locked>>
81%
49298
77%
**79
98%
Hodgdon Retumbo
<<locked>>
81%
32953
52%
**87
97%
Hodgdon TrailBoss
<<locked>>
81%
28921
45%
**54
100%
IMR 4955 Enduron
<<locked>>
81%
47732
75%
**33
98%
IMR 7828 SSC
<<locked>>
81%
49400
77%
**54
99%
[IMR 7977 Enduron]*
<<locked>>
84%
44541
70%
**15
90%
[IMR 8133 Enduron]*
<<locked>>
81%
30472
48%
**02
91%
[Lovex D100]*
<<locked>>
90%
48530
76%
**27
90%
Lovex S071
<<locked>>
81%
41843
66%
**99
99%
[Norma 217]*
<<locked>>
81%
30705
48%
**25
94%
Norma MRP
<<locked>>
81%
51532
81%
**91
100%
Ramshot Grand
<<locked>>
81%
52736
83%
**10
99%
Ramshot Magnum
<<locked>>
81%
46862
73%
**59
99%
ReloadSwiss RS 14
<<locked>>
81%
29878
47%
**03
100%
ReloadSwiss RS 76
<<locked>>
81%
39740
62%
**97
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
36753
58%
**79
93%
Rottweil R 904
<<locked>>
81%
52852
83%
**31
99%
Rottweil R 905
<<locked>>
81%
51808
81%
**41
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
38537
60%
**62
90%
[Shooters World 50 BMG]*
<<locked>>
90%
48530
76%
**27
90%
Somchem S385
<<locked>>
81%
52417
82%
**22
100%
Vihtavuori N165
<<locked>>
81%
44585
70%
**61
99%
[Vihtavuori N170]*
<<locked>>
86%
39798
62%
**53
90%
Vihtavuori N555
<<locked>>
81%
51895
81%
**22
100%
Vihtavuori N560
<<locked>>
81%
48399
76%
**35
98%
Vihtavuori N565
<<locked>>
81%
42859
67%
**81
96%
[Vihtavuori N568]*
<<locked>>
81%
37797
59%
**05
93%
[Vihtavuori N570]*
<<locked>>
82%
38145
60%
**31
90%
Winchester StaBALL HD
<<locked>>
81%
46485
73%
**09
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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