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Load data for 7 mm KM Katzmaier + .284 | 164gr | Apex Outdoors Afterburner

Recommended Powder(s): ADI AR 2217, Bofors RP30, Norma 217, ReloadSwiss RS 80, Vihtavuori N568

7 mm KM Katzmaier + .284 | 164gr | Apex Outdoors Afterburner

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 164gr | Apex Outdoors Afterburner
Manufacturer SKU:
284-08.00-164-A-50
Bullet Weight:
164gr | 10.6g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 mm KM Katzmaier load data
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B12328_C1057
Last updated:
2026-04-04
Recommended Twist Rate:
1:8 - 1:6

Load data for 90 loads in caliber 7 mm KM Katzmaier with .284 | 164gr | Apex Outdoors Afterburner bullet and 45 powders such as ADI AR 2217, Bofors RP30, Norma 217, ReloadSwiss RS 80, 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 2213
<<locked>>
85%
57319
90%
**92
100%
ADI AR 2217 👍
<<locked>>
93%
57130
90%
**79
100%
ADI AR 2218
<<locked>>
97%
56434
88%
**81
99%
ADI AR 2225
<<locked>>
96%
56898
89%
**09
100%
Accurate 3100
<<locked>>
85%
57087
89%
**84
100%
Accurate 8700
<<locked>>
97%
45005
71%
**72
95%
Accurate MAGPRO
<<locked>>
85%
56695
89%
**95
99%
Alliant Reloder-22
<<locked>>
85%
57072
89%
**79
100%
Alliant Reloder-23
<<locked>>
86%
57203
90%
**10
100%
Alliant Reloder-25
<<locked>>
89%
57232
90%
**69
100%
Alliant Reloder-33
<<locked>>
94%
57305
90%
**35
99%
Alliant Reloder-50
<<locked>>
97%
54708
86%
**89
98%
Baschieri & Pellagri 109
<<locked>>
87%
57000
89%
**49
99%
Bofors RP15
<<locked>>
87%
56884
89%
**72
100%
Bofors RP30 👍
<<locked>>
92%
57334
90%
**95
100%
Bofors RP5
<<locked>>
85%
57072
89%
**79
100%
Hodgdon H1000
<<locked>>
93%
57130
90%
**79
100%
Hodgdon H4831
<<locked>>
88%
57087
89%
**43
100%
Hodgdon H4831 SC
<<locked>>
85%
57406
90%
**43
100%
Hodgdon Retumbo
<<locked>>
96%
56898
89%
**09
100%
[Hodgdon US 869]*
<<locked>>
97%
49748
78%
**44
92%
Hodgdon TrailBoss
<<locked>>
97%
36463
57%
**73
100%
IMR 4955 Enduron
<<locked>>
86%
57406
90%
**20
100%
IMR 7828 SSC
<<locked>>
84%
56927
89%
**89
100%
IMR 7977 Enduron
<<locked>>
90%
57000
89%
**87
96%
IMR 8133 Enduron
<<locked>>
97%
54882
86%
**69
100%
Lovex D100
<<locked>>
94%
57058
89%
**20
95%
Lovex S071
<<locked>>
90%
57087
89%
**84
100%
Norma 217 👍
<<locked>>
97%
56014
88%
**89
100%
[Ramshot LRT]*
<<locked>>
97%
56130
88%
**12
94%
Ramshot Magnum
<<locked>>
85%
57377
90%
**46
100%
ReloadSwiss RS 14
<<locked>>
96%
37289
58%
**13
100%
ReloadSwiss RS 76
<<locked>>
89%
57421
90%
**48
100%
ReloadSwiss RS 80 👍
<<locked>>
91%
56927
89%
**22
100%
SNPE Vectan SP 13
<<locked>>
97%
47268
74%
**95
96%
Shooters World 50 BMG
<<locked>>
94%
57058
89%
**20
95%
[Vihtavuori 20N29]*
<<locked>>
97%
45411
71%
**62
93%
[Vihtavuori 24N41]*
<<locked>>
97%
56565
89%
**66
94%
Vihtavuori N165
<<locked>>
88%
57421
90%
**94
100%
Vihtavuori N170
<<locked>>
96%
56840
89%
**27
97%
Vihtavuori N560
<<locked>>
85%
57116
90%
**02
100%
Vihtavuori N565
<<locked>>
88%
57000
89%
**76
100%
Vihtavuori N568 👍
<<locked>>
91%
57159
90%
**25
100%
Vihtavuori N570
<<locked>>
92%
57058
89%
**51
98%
Winchester StaBALL HD
<<locked>>
85%
57087
89%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49327
77%
**61
99%
ADI AR 2217
<<locked>>
81%
36941
58%
**98
97%
[ADI AR 2218]*
<<locked>>
83%
34563
54%
**89
90%
ADI AR 2225
<<locked>>
81%
34127
53%
**69
99%
Accurate 3100
<<locked>>
81%
50009
78%
**72
100%
[Accurate 8700]*
<<locked>>
90%
34534
54%
**30
90%
Accurate MAGPRO
<<locked>>
81%
49748
78%
**74
98%
Alliant Reloder-22
<<locked>>
81%
50096
79%
**54
100%
Alliant Reloder-23
<<locked>>
81%
48950
77%
**89
100%
Alliant Reloder-25
<<locked>>
81%
43018
67%
**43
100%
[Alliant Reloder-33]*
<<locked>>
81%
34911
55%
**85
91%
[Alliant Reloder-50]*
<<locked>>
85%
34563
54%
**59
90%
Baschieri & Pellagri 109
<<locked>>
81%
46905
73%
**69
97%
Bofors RP15
<<locked>>
81%
46760
73%
**95
100%
Bofors RP30
<<locked>>
81%
40059
63%
**77
98%
Bofors RP5
<<locked>>
81%
50096
79%
**54
100%
Hodgdon H1000
<<locked>>
81%
36941
58%
**98
97%
Hodgdon H4831
<<locked>>
81%
45672
72%
**40
98%
Hodgdon H4831 SC
<<locked>>
81%
50836
80%
**35
99%
Hodgdon Retumbo
<<locked>>
81%
34127
53%
**69
99%
[Hodgdon US 869]*
<<locked>>
94%
45643
72%
**49
90%
Hodgdon TrailBoss
<<locked>>
81%
29080
46%
**16
100%
IMR 4955 Enduron
<<locked>>
81%
49429
77%
**85
99%
IMR 7828 SSC
<<locked>>
81%
51445
81%
**04
100%
[IMR 7977 Enduron]*
<<locked>>
81%
42018
66%
**05
91%
[IMR 8133 Enduron]*
<<locked>>
81%
31778
50%
**90
94%
[Lovex D100]*
<<locked>>
86%
43279
68%
**67
90%
Lovex S071
<<locked>>
81%
43149
68%
**54
100%
Norma 217
<<locked>>
81%
32111
50%
**16
97%
[Ramshot LRT]*
<<locked>>
91%
45092
71%
**99
90%
Ramshot Magnum
<<locked>>
81%
48762
76%
**15
100%
ReloadSwiss RS 14
<<locked>>
81%
29892
47%
**52
100%
ReloadSwiss RS 76
<<locked>>
81%
41611
65%
**66
100%
ReloadSwiss RS 80
<<locked>>
81%
38392
60%
**57
96%
[SNPE Vectan SP 13]*
<<locked>>
88%
34867
55%
**23
90%
[Shooters World 50 BMG]*
<<locked>>
86%
43279
68%
**67
90%
[Vihtavuori 20N29]*
<<locked>>
93%
39595
62%
**41
90%
[Vihtavuori 24N41]*
<<locked>>
90%
45165
71%
**62
90%
Vihtavuori N165
<<locked>>
81%
46238
72%
**17
100%
[Vihtavuori N170]*
<<locked>>
81%
35665
56%
**03
90%
Vihtavuori N560
<<locked>>
81%
50575
79%
**87
99%
Vihtavuori N565
<<locked>>
81%
44295
69%
**46
98%
Vihtavuori N568
<<locked>>
81%
39291
62%
**74
95%
[Vihtavuori N570]*
<<locked>>
81%
37753
59%
**67
92%
Winchester StaBALL HD
<<locked>>
81%
48791
76%
**61
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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