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Load data for 7 mm KM Katzmaier + .284 | 139gr | Barnes LRX BT

Recommended Powder(s): ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, Vihtavuori N565, Vihtavuori N568

7 mm KM Katzmaier + .284 | 139gr | Barnes LRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | Barnes LRX BT
Manufacturer SKU:
30295
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.362" | 34.6mm
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:
0.418" | 10.6mm
Shank Seated Depth:
0.293" | 7.4mm
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_B561_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 90 loads in caliber 7 mm KM Katzmaier with .284 | 139gr | Barnes LRX BT bullet and 45 powders such as ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, Vihtavuori N565, Vihtavuori N568. 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%
57130
90%
**56
100%
ADI AR 2213
<<locked>>
87%
56884
89%
**86
99%
ADI AR 2217
<<locked>>
95%
56811
89%
**76
100%
ADI AR 2218
<<locked>>
97%
52257
82%
**76
96%
ADI AR 2225 👍
<<locked>>
97%
54592
86%
**79
100%
Accurate 3100
<<locked>>
87%
57159
90%
**91
100%
Accurate MAGPRO
<<locked>>
87%
57406
90%
**89
98%
Alliant Reloder-19
<<locked>>
85%
57392
90%
**63
100%
Alliant Reloder-22
<<locked>>
87%
56710
89%
**66
100%
Alliant Reloder-23
<<locked>>
88%
57072
89%
**17
100%
Alliant Reloder-25
<<locked>>
91%
56884
89%
**79
100%
Alliant Reloder-26
<<locked>>
83%
57058
89%
**89
100%
Alliant Reloder-33
<<locked>>
96%
56971
89%
**32
97%
Alliant Reloder-50
<<locked>>
97%
49864
78%
**84
95%
Hodgdon H1000
<<locked>>
95%
56811
89%
**76
100%
Hodgdon H4831
<<locked>>
90%
57406
90%
**40
99%
Hodgdon H4831 SC
<<locked>>
86%
57406
90%
**40
99%
Hodgdon Retumbo 👍
<<locked>>
97%
54592
86%
**79
100%
Hodgdon TrailBoss
<<locked>>
97%
36274
57%
**34
100%
IMR 4831
<<locked>>
84%
57174
90%
**97
100%
IMR 4955 Enduron
<<locked>>
87%
57217
90%
**17
99%
IMR 7828 SSC
<<locked>>
86%
57000
89%
**92
99%
[IMR 7977 Enduron]*
<<locked>>
92%
57116
89%
**68
94%
IMR 8133 Enduron
<<locked>>
97%
50299
79%
**77
99%
[Lovex D100]*
<<locked>>
96%
57435
90%
**04
93%
Lovex S071
<<locked>>
92%
57159
90%
**91
100%
Norma 217
<<locked>>
97%
51648
81%
**14
100%
Norma MRP
<<locked>>
85%
57348
90%
**89
100%
Ramshot Magnum
<<locked>>
87%
57174
90%
**40
100%
ReloadSwiss RS 14
<<locked>>
97%
37057
58%
**77
100%
ReloadSwiss RS 76 👍
<<locked>>
91%
56811
89%
**45
100%
ReloadSwiss RS 80
<<locked>>
94%
56884
89%
**09
99%
Rottweil R 904
<<locked>>
84%
57203
90%
**27
99%
Rottweil R 905
<<locked>>
85%
57232
90%
**59
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
43410
68%
**84
92%
Somchem S361
<<locked>>
83%
57261
90%
**84
99%
Somchem S385
<<locked>>
84%
56942
89%
**07
100%
Vihtavuori N165
<<locked>>
89%
56927
89%
**91
100%
Vihtavuori N170
<<locked>>
97%
54998
86%
**74
95%
Vihtavuori N555
<<locked>>
85%
57029
89%
**17
100%
Vihtavuori N560
<<locked>>
87%
56869
89%
**05
99%
Vihtavuori N565 👍
<<locked>>
91%
57319
90%
**76
99%
Vihtavuori N568 👍
<<locked>>
94%
57363
90%
**19
99%
Vihtavuori N570
<<locked>>
94%
56913
89%
**38
97%
Winchester StaBALL HD
<<locked>>
87%
56695
89%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
50879
80%
**54
99%
ADI AR 2213
<<locked>>
81%
46064
72%
**86
98%
[ADI AR 2217]*
<<locked>>
81%
34316
54%
**94
94%
[ADI AR 2218]*
<<locked>>
89%
38798
61%
**61
90%
ADI AR 2225
<<locked>>
81%
31430
49%
**44
95%
Accurate 3100
<<locked>>
81%
46688
73%
**04
100%
Accurate MAGPRO
<<locked>>
81%
46398
73%
**86
96%
Alliant Reloder-19
<<locked>>
81%
50705
79%
**35
99%
Alliant Reloder-22
<<locked>>
81%
46775
73%
**95
99%
Alliant Reloder-23
<<locked>>
81%
45513
71%
**23
100%
Alliant Reloder-25
<<locked>>
81%
39392
62%
**58
100%
Alliant Reloder-26
<<locked>>
81%
52243
82%
**10
100%
[Alliant Reloder-33]*
<<locked>>
85%
37231
58%
**99
90%
[Alliant Reloder-50]*
<<locked>>
90%
38653
61%
**28
90%
[Hodgdon H1000]*
<<locked>>
81%
34316
54%
**94
94%
Hodgdon H4831
<<locked>>
81%
42960
67%
**67
96%
Hodgdon H4831 SC
<<locked>>
81%
47921
75%
**69
97%
Hodgdon Retumbo
<<locked>>
81%
31430
49%
**44
95%
Hodgdon TrailBoss
<<locked>>
81%
28834
45%
**60
100%
IMR 4831
<<locked>>
81%
51996
81%
**12
100%
IMR 4955 Enduron
<<locked>>
81%
46499
73%
**13
97%
IMR 7828 SSC
<<locked>>
81%
47688
75%
**18
98%
[IMR 7977 Enduron]*
<<locked>>
85%
44512
70%
**31
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29211
46%
**69
90%
[Lovex D100]*
<<locked>>
91%
48385
76%
**33
90%
Lovex S071
<<locked>>
81%
40001
63%
**66
99%
[Norma 217]*
<<locked>>
81%
29109
46%
**75
93%
Norma MRP
<<locked>>
81%
49763
78%
**58
100%
Ramshot Magnum
<<locked>>
81%
45063
71%
**36
99%
ReloadSwiss RS 14
<<locked>>
81%
29559
46%
**03
100%
ReloadSwiss RS 76
<<locked>>
81%
38159
60%
**67
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
34998
55%
**36
92%
Rottweil R 904
<<locked>>
81%
51474
81%
**25
99%
Rottweil R 905
<<locked>>
81%
50357
79%
**31
99%
[SNPE Vectan SP 13]*
<<locked>>
94%
38870
61%
**79
90%
Somchem S361
<<locked>>
81%
52823
83%
**09
99%
Somchem S385
<<locked>>
81%
50966
80%
**99
100%
Vihtavuori N165
<<locked>>
81%
43323
68%
**44
99%
[Vihtavuori N170]*
<<locked>>
87%
40132
63%
**76
90%
Vihtavuori N555
<<locked>>
81%
50256
79%
**12
100%
Vihtavuori N560
<<locked>>
81%
46978
74%
**09
97%
Vihtavuori N565
<<locked>>
81%
41176
65%
**51
96%
[Vihtavuori N568]*
<<locked>>
81%
35998
56%
**62
92%
[Vihtavuori N570]*
<<locked>>
84%
38537
60%
**51
90%
Winchester StaBALL HD
<<locked>>
81%
44382
70%
**79
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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