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Load data for 7 mm KM Katzmaier + .284 | 140gr | Sierra HPBTGK

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

7 mm KM Katzmaier + .284 | 140gr | Sierra HPBTGK

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Sierra HPBTGK
Manufacturer SKU:
1912
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.325" | 33.7mm
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:
0.381" | 9.7mm
Shank Seated Depth:
0.192" | 4.9mm
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_B5839_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 88 loads in caliber 7 mm KM Katzmaier with .284 | 140gr | Sierra HPBTGK bullet and 44 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%
57014
89%
**50
100%
ADI AR 2213
<<locked>>
87%
57319
90%
**86
100%
ADI AR 2217
<<locked>>
95%
56855
89%
**73
100%
ADI AR 2218
<<locked>>
97%
53432
84%
**09
97%
ADI AR 2225 👍
<<locked>>
97%
56362
88%
**99
100%
Accurate 3100
<<locked>>
86%
56985
89%
**74
100%
[Accurate 8700]*
<<locked>>
97%
42366
66%
**74
92%
Accurate MAGPRO
<<locked>>
86%
57174
90%
**89
99%
Alliant Reloder-19
<<locked>>
84%
57043
89%
**50
100%
Alliant Reloder-22
<<locked>>
86%
57159
90%
**63
100%
Alliant Reloder-23
<<locked>>
87%
57319
90%
**10
100%
Alliant Reloder-25
<<locked>>
91%
57217
90%
**73
100%
Alliant Reloder-33
<<locked>>
96%
57305
90%
**15
98%
Alliant Reloder-50
<<locked>>
97%
51401
81%
**04
96%
Hodgdon H1000
<<locked>>
95%
56855
89%
**73
100%
Hodgdon H4831
<<locked>>
89%
57377
90%
**40
99%
Hodgdon H4831 SC
<<locked>>
86%
56971
89%
**23
99%
Hodgdon Retumbo 👍
<<locked>>
97%
56362
88%
**99
100%
Hodgdon TrailBoss
<<locked>>
97%
36289
57%
**28
100%
IMR 4831
<<locked>>
83%
56971
89%
**87
100%
IMR 4955 Enduron
<<locked>>
87%
57377
90%
**17
99%
IMR 7828 SSC
<<locked>>
85%
56855
89%
**79
100%
[IMR 7977 Enduron]*
<<locked>>
92%
56942
89%
**64
94%
IMR 8133 Enduron
<<locked>>
97%
51256
80%
**00
99%
[Lovex D100]*
<<locked>>
95%
57014
89%
**81
93%
Lovex S071
<<locked>>
91%
56985
89%
**74
100%
Norma 217
<<locked>>
97%
52808
83%
**27
100%
Norma MRP
<<locked>>
84%
57043
89%
**86
100%
Ramshot Magnum
<<locked>>
86%
56971
89%
**36
100%
ReloadSwiss RS 14
<<locked>>
96%
37014
58%
**70
100%
ReloadSwiss RS 76 👍
<<locked>>
91%
57232
90%
**32
100%
ReloadSwiss RS 80 👍
<<locked>>
93%
57116
90%
**09
99%
Rottweil R 904
<<locked>>
84%
57406
90%
**14
100%
Rottweil R 905
<<locked>>
84%
56971
89%
**46
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
44643
70%
**90
93%
Somchem S385
<<locked>>
84%
57348
90%
**07
100%
Vihtavuori N165
<<locked>>
89%
57014
89%
**91
100%
Vihtavuori N170
<<locked>>
97%
56086
88%
**94
96%
Vihtavuori N555
<<locked>>
84%
56782
89%
**00
100%
Vihtavuori N560
<<locked>>
86%
57319
90%
**05
99%
Vihtavuori N565 👍
<<locked>>
90%
56913
89%
**66
99%
Vihtavuori N568
<<locked>>
93%
57029
89%
**09
99%
Vihtavuori N570
<<locked>>
94%
57217
90%
**45
97%
Winchester StaBALL HD
<<locked>>
87%
57305
90%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51735
81%
**51
99%
ADI AR 2213
<<locked>>
81%
47007
74%
**89
98%
[ADI AR 2217]*
<<locked>>
81%
34838
55%
**00
94%
[ADI AR 2218]*
<<locked>>
88%
39001
61%
**54
90%
ADI AR 2225
<<locked>>
81%
32126
50%
**67
96%
Accurate 3100
<<locked>>
81%
47514
74%
**17
100%
[Accurate 8700]*
<<locked>>
94%
37956
59%
**66
90%
Accurate MAGPRO
<<locked>>
81%
47253
74%
**99
96%
Alliant Reloder-19
<<locked>>
81%
51517
81%
**48
99%
Alliant Reloder-22
<<locked>>
81%
47688
75%
**99
99%
Alliant Reloder-23
<<locked>>
81%
46296
73%
**36
100%
Alliant Reloder-25
<<locked>>
81%
40219
63%
**58
100%
[Alliant Reloder-33]*
<<locked>>
84%
37275
58%
**95
90%
[Alliant Reloder-50]*
<<locked>>
89%
38566
60%
**12
90%
[Hodgdon H1000]*
<<locked>>
81%
34838
55%
**00
94%
Hodgdon H4831
<<locked>>
81%
43482
68%
**71
96%
Hodgdon H4831 SC
<<locked>>
81%
48791
76%
**86
98%
Hodgdon Retumbo
<<locked>>
81%
32126
50%
**67
96%
Hodgdon TrailBoss
<<locked>>
81%
28892
45%
**60
100%
IMR 4831
<<locked>>
81%
52997
83%
**15
100%
IMR 4955 Enduron
<<locked>>
81%
47326
74%
**30
98%
IMR 7828 SSC
<<locked>>
81%
48646
76%
**35
98%
[IMR 7977 Enduron]*
<<locked>>
84%
43932
69%
**18
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29631
46%
**75
91%
[Lovex D100]*
<<locked>>
91%
48544
76%
**27
90%
Lovex S071
<<locked>>
81%
40930
64%
**79
99%
[Norma 217]*
<<locked>>
81%
29747
47%
**95
94%
Norma MRP
<<locked>>
81%
50720
79%
**71
100%
Ramshot Magnum
<<locked>>
81%
45919
72%
**46
99%
ReloadSwiss RS 14
<<locked>>
81%
29617
46%
**00
100%
ReloadSwiss RS 76
<<locked>>
81%
38972
61%
**81
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
35781
56%
**53
92%
Rottweil R 904
<<locked>>
81%
52373
82%
**25
99%
Rottweil R 905
<<locked>>
81%
51213
80%
**45
100%
[SNPE Vectan SP 13]*
<<locked>>
93%
38827
61%
**59
90%
Somchem S385
<<locked>>
81%
51750
81%
**12
100%
Vihtavuori N165
<<locked>>
81%
43830
69%
**44
99%
[Vihtavuori N170]*
<<locked>>
86%
39914
63%
**62
90%
Vihtavuori N555
<<locked>>
81%
51300
80%
**12
100%
Vihtavuori N560
<<locked>>
81%
47790
75%
**22
98%
Vihtavuori N565
<<locked>>
81%
42018
66%
**67
96%
[Vihtavuori N568]*
<<locked>>
81%
36796
58%
**79
92%
[Vihtavuori N570]*
<<locked>>
83%
38058
60%
**28
90%
Winchester StaBALL HD
<<locked>>
81%
45411
71%
**95
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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