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Load data for 7 mm KM Katzmaier + .284 | 145gr | Barnes LRX BT

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565

7 mm KM Katzmaier + .284 | 145gr | Barnes LRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 145gr | Barnes LRX BT
Manufacturer SKU:
30282
Bullet Weight:
145gr | 9.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.422" | 36.1mm
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:
0.478" | 12.1mm
Shank Seated Depth:
0.353" | 9.0mm
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_B564_C1057
Last updated:
2025-02-02
Recommended Twist Rate:
1:10 - 1:8

Load data for 92 loads in caliber 7 mm KM Katzmaier with .284 | 145gr | Barnes LRX BT bullet and 46 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565. 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%
57203
90%
**07
100%
ADI AR 2213
<<locked>>
86%
56811
89%
**43
100%
ADI AR 2217 👍
<<locked>>
95%
57000
89%
**27
100%
ADI AR 2218
<<locked>>
97%
53606
84%
**69
97%
ADI AR 2225 👍
<<locked>>
97%
56231
88%
**43
100%
Accurate 3100
<<locked>>
86%
57377
90%
**38
100%
[Accurate 8700]*
<<locked>>
97%
42685
67%
**48
93%
Accurate MAGPRO
<<locked>>
86%
57377
90%
**53
99%
Alliant Reloder-19
<<locked>>
84%
56927
89%
**00
100%
Alliant Reloder-22
<<locked>>
86%
57377
90%
**36
100%
Alliant Reloder-23
<<locked>>
87%
56956
89%
**54
100%
Alliant Reloder-25
<<locked>>
91%
57174
90%
**33
100%
Alliant Reloder-33
<<locked>>
96%
57377
90%
**76
98%
Alliant Reloder-50
<<locked>>
97%
51517
81%
**68
96%
Hodgdon H1000 👍
<<locked>>
95%
57000
89%
**27
100%
Hodgdon H4831
<<locked>>
89%
57145
90%
**94
99%
Hodgdon H4831 SC
<<locked>>
86%
57145
90%
**94
99%
Hodgdon Retumbo 👍
<<locked>>
97%
56231
88%
**43
100%
Hodgdon TrailBoss
<<locked>>
97%
36347
57%
**95
100%
IMR 4831
<<locked>>
83%
57101
89%
**38
100%
IMR 4955 Enduron
<<locked>>
87%
57072
89%
**68
99%
IMR 7828 SSC
<<locked>>
85%
57116
89%
**53
100%
[IMR 7977 Enduron]*
<<locked>>
92%
56898
89%
**15
94%
IMR 8133 Enduron
<<locked>>
97%
51590
81%
**58
99%
[Lovex D100]*
<<locked>>
95%
57130
90%
**54
93%
Lovex S071
<<locked>>
91%
57377
90%
**38
100%
Norma 217
<<locked>>
97%
52750
83%
**94
100%
Norma MRP
<<locked>>
84%
57130
90%
**33
100%
[Ramshot LRT]*
<<locked>>
97%
53476
84%
**91
92%
Ramshot Magnum
<<locked>>
87%
57319
90%
**04
100%
ReloadSwiss RS 14
<<locked>>
97%
37260
58%
**41
100%
ReloadSwiss RS 76
<<locked>>
91%
57246
90%
**99
100%
ReloadSwiss RS 80
<<locked>>
93%
57174
90%
**66
99%
Rottweil R 904
<<locked>>
84%
56913
89%
**64
100%
Rottweil R 905
<<locked>>
84%
56695
89%
**94
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
44875
70%
**61
93%
Somchem S385
<<locked>>
84%
56840
89%
**58
100%
[Vihtavuori 24N41]*
<<locked>>
97%
54201
85%
**64
92%
Vihtavuori N165
<<locked>>
89%
57421
90%
**45
100%
Vihtavuori N170
<<locked>>
97%
56289
88%
**54
96%
Vihtavuori N555
<<locked>>
84%
57217
90%
**61
100%
Vihtavuori N560
<<locked>>
86%
57159
90%
**63
99%
Vihtavuori N565 👍
<<locked>>
90%
57406
90%
**36
100%
Vihtavuori N568
<<locked>>
93%
57043
89%
**59
99%
Vihtavuori N570
<<locked>>
94%
57319
90%
**02
97%
Winchester StaBALL HD
<<locked>>
87%
56840
89%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51895
81%
**22
100%
ADI AR 2213
<<locked>>
81%
47065
74%
**53
98%
ADI AR 2217
<<locked>>
81%
35041
55%
**77
95%
[ADI AR 2218]*
<<locked>>
88%
38029
60%
**95
90%
ADI AR 2225
<<locked>>
81%
32242
51%
**38
97%
Accurate 3100
<<locked>>
81%
47819
75%
**81
100%
[Accurate 8700]*
<<locked>>
93%
37362
59%
**17
90%
Accurate MAGPRO
<<locked>>
81%
47413
74%
**59
97%
Alliant Reloder-19
<<locked>>
81%
51808
81%
**09
100%
Alliant Reloder-22
<<locked>>
81%
47863
75%
**63
99%
Alliant Reloder-23
<<locked>>
81%
46354
73%
**94
100%
Alliant Reloder-25
<<locked>>
81%
40495
63%
**22
100%
[Alliant Reloder-33]*
<<locked>>
84%
36753
58%
**49
91%
[Alliant Reloder-50]*
<<locked>>
88%
37333
58%
**53
90%
Hodgdon H1000
<<locked>>
81%
35041
55%
**77
95%
Hodgdon H4831
<<locked>>
81%
43642
68%
**28
97%
Hodgdon H4831 SC
<<locked>>
81%
48733
76%
**46
98%
Hodgdon Retumbo
<<locked>>
81%
32242
51%
**38
97%
Hodgdon TrailBoss
<<locked>>
81%
28819
45%
**21
100%
IMR 4831
<<locked>>
81%
53142
83%
**79
100%
IMR 4955 Enduron
<<locked>>
81%
47500
74%
**87
98%
IMR 7828 SSC
<<locked>>
81%
48776
76%
**02
99%
[IMR 7977 Enduron]*
<<locked>>
83%
43395
68%
**59
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29573
46%
**39
91%
[Lovex D100]*
<<locked>>
90%
47065
74%
**64
90%
Lovex S071
<<locked>>
81%
41002
64%
**43
99%
[Norma 217]*
<<locked>>
81%
29950
47%
**66
94%
Norma MRP
<<locked>>
81%
51213
80%
**41
100%
[Ramshot LRT]*
<<locked>>
95%
49052
77%
**09
90%
Ramshot Magnum
<<locked>>
81%
46195
72%
**10
99%
ReloadSwiss RS 14
<<locked>>
81%
29733
47%
**67
100%
ReloadSwiss RS 76
<<locked>>
81%
39160
61%
**44
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
35998
56%
**20
93%
Rottweil R 904
<<locked>>
81%
52243
82%
**82
99%
Rottweil R 905
<<locked>>
81%
51503
81%
**02
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
38072
60%
**17
90%
Somchem S385
<<locked>>
81%
51808
81%
**72
100%
[Vihtavuori 24N41]*
<<locked>>
95%
49719
78%
**72
90%
Vihtavuori N165
<<locked>>
81%
44063
69%
**18
99%
[Vihtavuori N170]*
<<locked>>
86%
39378
62%
**17
90%
Vihtavuori N555
<<locked>>
81%
51314
80%
**79
100%
Vihtavuori N560
<<locked>>
81%
48182
76%
**89
98%
Vihtavuori N565
<<locked>>
81%
42032
66%
**35
97%
[Vihtavuori N568]*
<<locked>>
81%
37086
58%
**46
93%
[Vihtavuori N570]*
<<locked>>
82%
37072
58%
**72
90%
Winchester StaBALL HD
<<locked>>
81%
45542
71%
**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.

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

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