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Load data for 7 mm KM Katzmaier + .284 | 140gr | Barnes XLC BT

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon Retumbo, Norma 217, ReloadSwiss RS 80

7 mm KM Katzmaier + .284 | 140gr | Barnes XLC BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Barnes XLC BT
Manufacturer SKU:
28455
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.280" | 32.5mm
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:
0.336" | 8.5mm
Shank Seated Depth:
0.211" | 5.4mm
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_B568_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 76 loads in caliber 7 mm KM Katzmaier with .284 | 140gr | Barnes XLC BT bullet and 38 powders such as ADI AR 2217, ADI AR 2225, Hodgdon Retumbo, Norma 217, ReloadSwiss RS 80. 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 2213
<<locked>>
85%
56652
89%
**69
100%
ADI AR 2217 👍
<<locked>>
93%
57406
90%
**76
100%
ADI AR 2218
<<locked>>
97%
57174
90%
**71
98%
ADI AR 2225 👍
<<locked>>
95%
56884
89%
**96
100%
Accurate 3100
<<locked>>
84%
57305
90%
**68
100%
[Accurate 8700]*
<<locked>>
97%
46485
73%
**43
94%
Accurate MAGPRO
<<locked>>
84%
56637
89%
**76
98%
Alliant Reloder-22
<<locked>>
84%
57087
89%
**59
100%
Alliant Reloder-23
<<locked>>
85%
56811
89%
**94
100%
Alliant Reloder-25
<<locked>>
89%
56898
89%
**59
100%
Alliant Reloder-33
<<locked>>
94%
57319
90%
**12
98%
Alliant Reloder-50
<<locked>>
97%
56869
89%
**92
97%
Hodgdon H1000
<<locked>>
93%
57406
90%
**76
100%
Hodgdon H4831
<<locked>>
87%
57174
90%
**27
99%
Hodgdon H4831 SC
<<locked>>
84%
57174
90%
**27
99%
Hodgdon Retumbo 👍
<<locked>>
95%
56884
89%
**96
100%
Hodgdon TrailBoss
<<locked>>
97%
36593
57%
**34
100%
IMR 4955 Enduron
<<locked>>
85%
57334
90%
**00
99%
IMR 7828 SSC
<<locked>>
83%
56811
89%
**69
100%
[IMR 7977 Enduron]*
<<locked>>
90%
56985
89%
**61
94%
IMR 8133 Enduron
<<locked>>
97%
55927
88%
**66
100%
[Lovex D100]*
<<locked>>
93%
57363
90%
**81
93%
Lovex S071
<<locked>>
89%
57130
90%
**68
100%
Norma 217 👍
<<locked>>
97%
56710
89%
**89
100%
[Ramshot LRT]*
<<locked>>
97%
56913
89%
**86
92%
Ramshot Magnum
<<locked>>
85%
57348
90%
**30
100%
ReloadSwiss RS 14
<<locked>>
96%
37376
59%
**70
100%
ReloadSwiss RS 76
<<locked>>
89%
57174
90%
**25
100%
ReloadSwiss RS 80 👍
<<locked>>
91%
56956
89%
**96
99%
[SNPE Vectan SP 13]*
<<locked>>
97%
48791
76%
**69
94%
[Vihtavuori 24N41]*
<<locked>>
97%
57261
90%
**40
92%
Vihtavuori N165
<<locked>>
87%
57145
90%
**81
100%
Vihtavuori N170
<<locked>>
95%
57319
90%
**07
96%
Vihtavuori N560
<<locked>>
84%
56840
89%
**86
99%
Vihtavuori N565
<<locked>>
88%
57392
90%
**63
99%
Vihtavuori N568
<<locked>>
91%
57072
89%
**02
99%
Vihtavuori N570
<<locked>>
92%
57290
90%
**41
97%
Winchester StaBALL HD
<<locked>>
85%
57232
90%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
50140
79%
**51
99%
ADI AR 2217
<<locked>>
81%
38218
60%
**79
96%
[ADI AR 2218]*
<<locked>>
85%
38159
60%
**28
90%
ADI AR 2225
<<locked>>
81%
35520
56%
**59
98%
Accurate 3100
<<locked>>
81%
51967
81%
**82
100%
[Accurate 8700]*
<<locked>>
91%
37826
59%
**56
90%
Accurate MAGPRO
<<locked>>
81%
50821
80%
**61
97%
Alliant Reloder-22
<<locked>>
81%
51256
80%
**51
99%
Alliant Reloder-23
<<locked>>
81%
49908
78%
**86
100%
Alliant Reloder-25
<<locked>>
81%
44019
69%
**27
100%
[Alliant Reloder-33]*
<<locked>>
81%
36724
58%
**76
90%
[Alliant Reloder-50]*
<<locked>>
85%
37782
59%
**92
90%
Hodgdon H1000
<<locked>>
81%
38218
60%
**79
96%
Hodgdon H4831
<<locked>>
81%
46702
73%
**33
97%
Hodgdon H4831 SC
<<locked>>
81%
51663
81%
**22
98%
Hodgdon Retumbo
<<locked>>
81%
35520
56%
**59
98%
Hodgdon TrailBoss
<<locked>>
81%
29211
46%
**64
100%
IMR 4955 Enduron
<<locked>>
81%
50024
78%
**76
98%
IMR 7828 SSC
<<locked>>
81%
52388
82%
**00
99%
[IMR 7977 Enduron]*
<<locked>>
82%
44150
69%
**05
90%
[IMR 8133 Enduron]*
<<locked>>
81%
33431
52%
**77
93%
[Lovex D100]*
<<locked>>
88%
47964
75%
**10
90%
Lovex S071
<<locked>>
81%
44947
70%
**54
100%
Norma 217
<<locked>>
81%
33910
53%
**07
96%
[Ramshot LRT]*
<<locked>>
93%
50285
79%
**58
90%
Ramshot Magnum
<<locked>>
81%
49995
78%
**12
100%
ReloadSwiss RS 14
<<locked>>
81%
29994
47%
**03
100%
ReloadSwiss RS 76
<<locked>>
81%
42989
67%
**59
100%
ReloadSwiss RS 80
<<locked>>
81%
40161
63%
**58
95%
[SNPE Vectan SP 13]*
<<locked>>
90%
38406
60%
**49
90%
[Vihtavuori 24N41]*
<<locked>>
93%
50183
79%
**18
90%
Vihtavuori N165
<<locked>>
81%
47253
74%
**07
99%
[Vihtavuori N170]*
<<locked>>
83%
39320
62%
**40
90%
Vihtavuori N560
<<locked>>
81%
51547
81%
**91
99%
Vihtavuori N565
<<locked>>
81%
46137
72%
**49
98%
[Vihtavuori N568]*
<<locked>>
81%
40901
64%
**67
94%
[Vihtavuori N570]*
<<locked>>
81%
39117
61%
**41
91%
Winchester StaBALL HD
<<locked>>
81%
49908
78%
**71
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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