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Load data for 7 mm KM Katzmaier + .284 | 140gr | Frontier BTSP

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Recommended Powder(s): ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N565

7 mm KM Katzmaier + .284 | 140gr | Frontier BTSP

Load Specifications

Bullet:
.284 | 140gr | Frontier BTSP
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.435" | 36.4mm
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:
0.491" | 12.5mm
Shank Seated Depth:
0.298" | 7.6mm
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_B10465_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 90 loads in caliber 7 mm KM Katzmaier with .284 | 140gr | Frontier BTSP bullet and 45 powders such as ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, ReloadSwiss RS 80, 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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    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.

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%
57421
90%
**53
100%
ADI AR 2213
<<locked>>
87%
57392
90%
**92
100%
ADI AR 2217
<<locked>>
95%
56768
89%
**76
100%
ADI AR 2218
<<locked>>
97%
52272
82%
**79
96%
ADI AR 2225 👍
<<locked>>
97%
55027
86%
**82
100%
Accurate 3100
<<locked>>
87%
56956
89%
**77
100%
Accurate MAGPRO
<<locked>>
87%
57348
90%
**89
98%
Alliant Reloder-19
<<locked>>
85%
57116
90%
**46
100%
Alliant Reloder-22
<<locked>>
87%
57348
90%
**76
100%
Alliant Reloder-23
<<locked>>
88%
57159
90%
**10
100%
Alliant Reloder-25
<<locked>>
91%
57130
90%
**76
100%
Alliant Reloder-26
<<locked>>
83%
57101
89%
**89
100%
Alliant Reloder-33
<<locked>>
96%
57014
89%
**15
97%
Alliant Reloder-50
<<locked>>
97%
50212
79%
**71
95%
Hodgdon H1000
<<locked>>
95%
56768
89%
**76
100%
Hodgdon H4831
<<locked>>
90%
57305
90%
**36
99%
Hodgdon H4831 SC
<<locked>>
86%
57305
90%
**36
99%
Hodgdon Retumbo 👍
<<locked>>
97%
55027
86%
**82
100%
Hodgdon TrailBoss
<<locked>>
97%
36216
57%
**24
100%
IMR 4831
<<locked>>
84%
56826
89%
**81
100%
IMR 4955 Enduron
<<locked>>
88%
57276
90%
**10
99%
IMR 7828 SSC
<<locked>>
86%
57348
90%
**92
100%
[IMR 7977 Enduron]*
<<locked>>
92%
57043
89%
**64
94%
IMR 8133 Enduron
<<locked>>
97%
50546
79%
**77
99%
[Lovex D100]*
<<locked>>
96%
57261
90%
**94
93%
Lovex S071
<<locked>>
92%
56956
89%
**77
100%
Norma 217
<<locked>>
97%
51430
81%
**00
100%
Norma MRP
<<locked>>
85%
56942
89%
**86
100%
Ramshot Magnum
<<locked>>
87%
57116
89%
**40
100%
ReloadSwiss RS 14
<<locked>>
97%
37159
58%
**73
100%
ReloadSwiss RS 76 👍
<<locked>>
91%
57290
90%
**45
100%
ReloadSwiss RS 80 👍
<<locked>>
94%
56898
89%
**09
99%
Rottweil R 904
<<locked>>
84%
56768
89%
**10
99%
Rottweil R 905
<<locked>>
85%
57421
90%
**53
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
43656
68%
**71
92%
Somchem S361
<<locked>>
83%
57290
90%
**84
99%
Somchem S385
<<locked>>
84%
57058
89%
**07
100%
Vihtavuori N165
<<locked>>
89%
56956
89%
**91
100%
Vihtavuori N170
<<locked>>
97%
55535
87%
**84
96%
Vihtavuori N555
<<locked>>
85%
57334
90%
**14
100%
Vihtavuori N560
<<locked>>
87%
57203
90%
**02
99%
Vihtavuori N565 👍
<<locked>>
90%
56942
89%
**59
99%
Vihtavuori N568
<<locked>>
93%
57014
89%
**02
99%
Vihtavuori N570
<<locked>>
95%
57363
90%
**45
97%
Winchester StaBALL HD
<<locked>>
88%
57348
90%
**99
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51024
80%
**48
99%
ADI AR 2213
<<locked>>
81%
46050
72%
**82
98%
[ADI AR 2217]*
<<locked>>
81%
34287
54%
**87
94%
[ADI AR 2218]*
<<locked>>
89%
39218
61%
**64
90%
ADI AR 2225
<<locked>>
81%
31618
50%
**44
96%
Accurate 3100
<<locked>>
81%
46833
73%
**97
100%
Accurate MAGPRO
<<locked>>
81%
46311
73%
**82
96%
Alliant Reloder-19
<<locked>>
81%
50850
80%
**45
99%
Alliant Reloder-22
<<locked>>
81%
46862
73%
**79
99%
Alliant Reloder-23
<<locked>>
81%
45542
71%
**17
100%
Alliant Reloder-25
<<locked>>
81%
39523
62%
**51
100%
Alliant Reloder-26
<<locked>>
81%
52156
82%
**04
100%
[Alliant Reloder-33]*
<<locked>>
85%
37289
58%
**99
90%
[Alliant Reloder-50]*
<<locked>>
90%
38348
60%
**05
90%
[Hodgdon H1000]*
<<locked>>
81%
34287
54%
**87
94%
Hodgdon H4831
<<locked>>
81%
42830
67%
**61
96%
Hodgdon H4831 SC
<<locked>>
81%
47790
75%
**63
98%
Hodgdon Retumbo
<<locked>>
81%
31618
50%
**44
96%
Hodgdon TrailBoss
<<locked>>
81%
28732
45%
**50
100%
IMR 4831
<<locked>>
81%
52214
82%
**09
100%
IMR 4955 Enduron
<<locked>>
81%
46702
73%
**10
97%
IMR 7828 SSC
<<locked>>
81%
47964
75%
**31
98%
[IMR 7977 Enduron]*
<<locked>>
84%
44396
70%
**25
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29399
46%
**72
90%
[Lovex D100]*
<<locked>>
91%
48225
76%
**23
90%
Lovex S071
<<locked>>
81%
40205
63%
**62
99%
[Norma 217]*
<<locked>>
81%
29138
46%
**82
93%
Norma MRP
<<locked>>
81%
50053
78%
**71
100%
Ramshot Magnum
<<locked>>
81%
44976
70%
**33
99%
ReloadSwiss RS 14
<<locked>>
81%
29631
46%
**00
100%
ReloadSwiss RS 76
<<locked>>
81%
38232
60%
**61
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
35012
55%
**36
92%
Rottweil R 904
<<locked>>
81%
51706
81%
**18
99%
Rottweil R 905
<<locked>>
81%
50502
79%
**25
99%
[SNPE Vectan SP 13]*
<<locked>>
93%
38798
61%
**69
90%
Somchem S361
<<locked>>
81%
52823
83%
**09
99%
Somchem S385
<<locked>>
81%
50836
80%
**92
100%
Vihtavuori N165
<<locked>>
81%
43192
68%
**38
99%
[Vihtavuori N170]*
<<locked>>
87%
39842
62%
**62
90%
Vihtavuori N555
<<locked>>
81%
50517
79%
**05
100%
Vihtavuori N560
<<locked>>
81%
47137
74%
**18
98%
Vihtavuori N565
<<locked>>
81%
41321
65%
**61
96%
[Vihtavuori N568]*
<<locked>>
81%
36245
57%
**62
92%
[Vihtavuori N570]*
<<locked>>
83%
37927
59%
**31
90%
Winchester StaBALL HD
<<locked>>
81%
44179
69%
**72
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.

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