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Load data for 7 mm KM Katzmaier + .284 | 130gr | Barnes X BT

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Norma 217

7 mm KM Katzmaier + .284 | 130gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 130gr | Barnes X BT
Manufacturer SKU:
28420
Bullet Weight:
130gr | 8.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.220" | 31.0mm
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:
0.276" | 7.0mm
Shank Seated Depth:
0.151" | 3.8mm
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_B560_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 74 loads in caliber 7 mm KM Katzmaier with .284 | 130gr | Barnes X BT bullet and 37 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Norma 217. 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>>
86%
57261
90%
**61
99%
ADI AR 2217 👍
<<locked>>
94%
57232
90%
**51
100%
ADI AR 2218
<<locked>>
97%
56188
88%
**17
97%
ADI AR 2225 👍
<<locked>>
96%
56913
89%
**87
100%
Accurate 3100
<<locked>>
85%
57406
90%
**63
100%
[Accurate 8700]*
<<locked>>
97%
45165
71%
**95
93%
Accurate MAGPRO
<<locked>>
85%
57159
90%
**61
98%
Alliant Reloder-19
<<locked>>
83%
57406
90%
**35
100%
Alliant Reloder-22
<<locked>>
85%
56971
89%
**55
100%
Alliant Reloder-23
<<locked>>
86%
57377
90%
**96
100%
Alliant Reloder-25
<<locked>>
90%
57203
90%
**55
100%
Alliant Reloder-33
<<locked>>
94%
56855
89%
**81
97%
Alliant Reloder-50
<<locked>>
97%
54969
86%
**41
96%
Hodgdon H1000 👍
<<locked>>
94%
57232
90%
**51
100%
Hodgdon H4831
<<locked>>
88%
56869
89%
**05
99%
Hodgdon H4831 SC
<<locked>>
85%
57159
90%
**02
99%
Hodgdon Retumbo 👍
<<locked>>
96%
56913
89%
**87
100%
Hodgdon TrailBoss
<<locked>>
97%
36593
57%
**00
100%
IMR 4955 Enduron
<<locked>>
86%
56898
89%
**82
99%
IMR 7828 SSC
<<locked>>
84%
57101
89%
**61
99%
[IMR 7977 Enduron]*
<<locked>>
91%
57421
90%
**40
94%
IMR 8133 Enduron
<<locked>>
97%
54679
86%
**25
99%
[Lovex D100]*
<<locked>>
94%
56869
89%
**43
92%
Lovex S071
<<locked>>
90%
57406
90%
**63
100%
Norma 217 👍
<<locked>>
97%
56333
88%
**68
100%
Ramshot Magnum
<<locked>>
85%
57174
90%
**19
100%
ReloadSwiss RS 14
<<locked>>
96%
37362
59%
**42
100%
ReloadSwiss RS 76
<<locked>>
90%
57174
90%
**20
100%
ReloadSwiss RS 80
<<locked>>
92%
57145
90%
**87
99%
[SNPE Vectan SP 13]*
<<locked>>
97%
47688
75%
**31
93%
Vihtavuori N165
<<locked>>
87%
56840
89%
**63
100%
Vihtavuori N170
<<locked>>
96%
57406
90%
**86
95%
Vihtavuori N560
<<locked>>
85%
56840
89%
**64
99%
Vihtavuori N565
<<locked>>
88%
57058
89%
**41
99%
Vihtavuori N568
<<locked>>
92%
57319
90%
**78
98%
Vihtavuori N570
<<locked>>
93%
57406
90%
**10
96%
Winchester StaBALL HD
<<locked>>
85%
57174
90%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
48994
77%
**17
98%
ADI AR 2217
<<locked>>
81%
37449
59%
**31
95%
[ADI AR 2218]*
<<locked>>
87%
40480
63%
**59
90%
ADI AR 2225
<<locked>>
81%
35215
55%
**18
97%
Accurate 3100
<<locked>>
81%
51169
80%
**51
100%
[Accurate 8700]*
<<locked>>
93%
40132
63%
**71
90%
Accurate MAGPRO
<<locked>>
81%
50067
78%
**30
96%
Alliant Reloder-19
<<locked>>
81%
53650
84%
**56
99%
Alliant Reloder-22
<<locked>>
81%
50314
79%
**27
99%
Alliant Reloder-23
<<locked>>
81%
48994
77%
**54
100%
Alliant Reloder-25
<<locked>>
81%
42888
67%
**89
100%
[Alliant Reloder-33]*
<<locked>>
83%
38145
60%
**87
90%
[Alliant Reloder-50]*
<<locked>>
88%
40161
63%
**23
90%
Hodgdon H1000
<<locked>>
81%
37449
59%
**31
95%
Hodgdon H4831
<<locked>>
81%
45745
72%
**92
96%
Hodgdon H4831 SC
<<locked>>
81%
50821
80%
**94
98%
Hodgdon Retumbo
<<locked>>
81%
35215
55%
**18
97%
Hodgdon TrailBoss
<<locked>>
81%
29283
46%
**32
100%
IMR 4955 Enduron
<<locked>>
81%
49255
77%
**35
98%
IMR 7828 SSC
<<locked>>
81%
50821
80%
**50
98%
[IMR 7977 Enduron]*
<<locked>>
84%
46949
74%
**33
90%
[IMR 8133 Enduron]*
<<locked>>
81%
32822
51%
**30
92%
[Lovex D100]*
<<locked>>
90%
50691
79%
**28
90%
Lovex S071
<<locked>>
81%
44527
70%
**27
100%
Norma 217
<<locked>>
81%
33330
52%
**69
95%
Ramshot Magnum
<<locked>>
81%
48733
76%
**74
99%
ReloadSwiss RS 14
<<locked>>
81%
30081
47%
**72
100%
ReloadSwiss RS 76
<<locked>>
81%
41959
66%
**18
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
39305
62%
**04
93%
[SNPE Vectan SP 13]*
<<locked>>
92%
40480
63%
**61
90%
Vihtavuori N165
<<locked>>
81%
46398
73%
**69
99%
[Vihtavuori N170]*
<<locked>>
85%
41771
65%
**64
90%
Vihtavuori N560
<<locked>>
81%
50517
79%
**43
98%
Vihtavuori N565
<<locked>>
81%
45237
71%
**09
97%
[Vihtavuori N568]*
<<locked>>
81%
40176
63%
**20
93%
[Vihtavuori N570]*
<<locked>>
82%
39697
62%
**43
90%
Winchester StaBALL HD
<<locked>>
81%
48675
76%
**36
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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