top of page

Load data for 7 mm KM Katzmaier + .284 | 125gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

7 mm KM Katzmaier + .284 | 125gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 125gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.260" | 32.0mm
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:
0.316" | 8.0mm
Shank Seated Depth:
0.158" | 4.0mm
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_B11014_C1057
Last updated:
2025-11-04
Recommended Twist Rate:
1:10 - 1:9

Load data for 90 loads in caliber 7 mm KM Katzmaier with .284 | 125gr | Lehigh Defense Controlled Chaos bullet and 45 powders such as ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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>>
86%
57276
90%
**87
100%
ADI AR 2213 👍
<<locked>>
89%
57087
89%
**20
99%
ADI AR 2217
<<locked>>
97%
55985
88%
**84
99%
[ADI AR 2218]*
<<locked>>
97%
49153
77%
**12
94%
ADI AR 2225
<<locked>>
97%
50952
80%
**41
100%
Accurate 3100
<<locked>>
89%
57029
89%
**15
100%
Accurate MAGPRO
<<locked>>
89%
57174
90%
**10
98%
Alliant Reloder-19
<<locked>>
86%
56927
89%
**81
100%
Alliant Reloder-22
<<locked>>
89%
57435
90%
**14
100%
Alliant Reloder-23
<<locked>>
90%
57029
89%
**48
100%
Alliant Reloder-25 👍
<<locked>>
93%
56869
89%
**10
100%
Alliant Reloder-26
<<locked>>
85%
57072
89%
**30
100%
Alliant Reloder-33
<<locked>>
97%
54273
85%
**84
96%
[Alliant Reloder-50]*
<<locked>>
97%
46296
73%
**14
92%
Hodgdon H1000
<<locked>>
97%
55985
88%
**84
99%
Hodgdon H4350
<<locked>>
84%
57406
90%
**45
100%
Hodgdon H4831
<<locked>>
91%
57014
89%
**61
98%
Hodgdon H4831 SC
<<locked>>
88%
57014
89%
**61
98%
Hodgdon Hybrid 100V
<<locked>>
84%
57406
90%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
50952
80%
**41
100%
Hodgdon TrailBoss
<<locked>>
97%
36027
56%
**33
100%
IMR 4831
<<locked>>
85%
57145
90%
**35
100%
IMR 4955 Enduron
<<locked>>
89%
57072
89%
**45
99%
IMR 7828 SSC 👍
<<locked>>
88%
57435
90%
**27
99%
[IMR 7977 Enduron]*
<<locked>>
94%
56971
89%
**76
93%
IMR 8133 Enduron
<<locked>>
97%
46847
73%
**27
97%
Lovex S071
<<locked>>
94%
57348
90%
**15
100%
Norma 217
<<locked>>
97%
47848
75%
**73
99%
Norma MRP
<<locked>>
86%
57043
89%
**30
100%
Ramshot Magnum
<<locked>>
89%
57029
89%
**74
100%
ReloadSwiss RS 14
<<locked>>
96%
36695
57%
**72
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57421
90%
**76
100%
ReloadSwiss RS 80
<<locked>>
95%
56913
89%
**37
98%
Rottweil R 904
<<locked>>
86%
57246
90%
**48
99%
Rottweil R 905
<<locked>>
86%
57276
90%
**78
100%
Somchem S361
<<locked>>
85%
57276
90%
**99
98%
Somchem S385
<<locked>>
86%
57421
90%
**41
100%
Vihtavuori N165
<<locked>>
91%
57043
89%
**25
100%
[Vihtavuori N170]*
<<locked>>
97%
52083
82%
**36
93%
Vihtavuori N555
<<locked>>
87%
57043
89%
**58
100%
Vihtavuori N560 👍
<<locked>>
88%
57290
90%
**37
99%
Vihtavuori N565
<<locked>>
92%
57319
90%
**97
99%
Vihtavuori N568
<<locked>>
96%
57421
90%
**43
98%
Vihtavuori N570
<<locked>>
96%
57072
89%
**66
96%
Winchester StaBALL HD
<<locked>>
89%
57087
89%
**40
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48211
76%
**27
98%
ADI AR 2213
<<locked>>
81%
43308
68%
**48
96%
[ADI AR 2217]*
<<locked>>
81%
32184
50%
**33
91%
[ADI AR 2218]*
<<locked>>
93%
42047
66%
**45
90%
[ADI AR 2225]*
<<locked>>
81%
29486
46%
**80
92%
Accurate 3100
<<locked>>
81%
44164
69%
**72
99%
[Accurate MAGPRO]*
<<locked>>
81%
43366
68%
**28
93%
Alliant Reloder-19
<<locked>>
81%
48196
76%
**10
98%
Alliant Reloder-22
<<locked>>
81%
44077
69%
**48
97%
Alliant Reloder-23
<<locked>>
81%
42699
67%
**89
100%
Alliant Reloder-25
<<locked>>
81%
36941
58%
**13
98%
Alliant Reloder-26
<<locked>>
81%
48820
77%
**82
100%
[Alliant Reloder-33]*
<<locked>>
89%
40190
63%
**79
90%
[Alliant Reloder-50]*
<<locked>>
94%
41350
65%
**95
90%
[Hodgdon H1000]*
<<locked>>
81%
32184
50%
**33
91%
Hodgdon H4350
<<locked>>
81%
51256
80%
**27
99%
[Hodgdon H4831]*
<<locked>>
81%
40567
64%
**20
94%
Hodgdon H4831 SC
<<locked>>
81%
45208
71%
**35
96%
Hodgdon Hybrid 100V
<<locked>>
81%
52141
82%
**23
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29486
46%
**80
92%
Hodgdon TrailBoss
<<locked>>
81%
28689
45%
**59
100%
IMR 4831
<<locked>>
81%
49313
77%
**94
100%
IMR 4955 Enduron
<<locked>>
81%
44237
69%
**92
96%
IMR 7828 SSC
<<locked>>
81%
44904
70%
**91
96%
[IMR 7977 Enduron]*
<<locked>>
89%
48805
76%
**22
90%
[IMR 8133 Enduron]*
<<locked>>
86%
31763
50%
**49
90%
Lovex S071
<<locked>>
81%
37666
59%
**22
98%
[Norma 217]*
<<locked>>
82%
27934
44%
**35
90%
Norma MRP
<<locked>>
81%
46833
73%
**33
99%
Ramshot Magnum
<<locked>>
81%
42018
66%
**76
98%
ReloadSwiss RS 14
<<locked>>
81%
29370
46%
**98
100%
ReloadSwiss RS 76
<<locked>>
81%
35549
56%
**04
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
34635
54%
**31
90%
Rottweil R 904
<<locked>>
81%
48878
77%
**91
97%
Rottweil R 905
<<locked>>
81%
47761
75%
**04
98%
Somchem S361
<<locked>>
81%
50314
79%
**77
97%
Somchem S385
<<locked>>
81%
48138
75%
**71
99%
Vihtavuori N165
<<locked>>
81%
40828
64%
**97
97%
[Vihtavuori N170]*
<<locked>>
91%
43598
68%
**59
90%
Vihtavuori N555
<<locked>>
81%
47282
74%
**77
100%
Vihtavuori N560
<<locked>>
81%
44251
69%
**77
95%
[Vihtavuori N565]*
<<locked>>
81%
38624
61%
**10
94%
[Vihtavuori N568]*
<<locked>>
83%
35853
56%
**64
90%
[Vihtavuori N570]*
<<locked>>
88%
41321
65%
**25
90%
Winchester StaBALL HD
<<locked>>
81%
40857
64%
**45
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

bottom of page