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Load data for 7 mm KM Katzmaier + .284 | 120gr | Sierra SPT Pro-Hunter

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76

7 mm KM Katzmaier + .284 | 120gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
1900
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
0.900" | 22.9mm
Caliber:
7 mm KM Katzmaier load data
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
3.498" | 88.8mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
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_B5835_C1057
Last updated:
2025-01-01

Load data for 88 loads in caliber 7 mm KM Katzmaier with .284 | 120gr | Sierra SPT Pro-Hunter bullet and 44 powders such as ADI AR 2213, Alliant Reloder-22, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76. 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>>
86%
57101
89%
**33
99%
ADI AR 2213 👍
<<locked>>
89%
57421
90%
**76
99%
ADI AR 2217
<<locked>>
97%
56376
88%
**37
99%
[ADI AR 2218]*
<<locked>>
97%
49458
77%
**58
93%
ADI AR 2225
<<locked>>
97%
51634
81%
**91
100%
Accurate 3100
<<locked>>
89%
57290
90%
**64
100%
Accurate MAGPRO
<<locked>>
88%
57087
89%
**56
97%
Alliant Reloder-19
<<locked>>
86%
57058
89%
**30
99%
Alliant Reloder-22 👍
<<locked>>
89%
57188
90%
**60
99%
Alliant Reloder-23
<<locked>>
90%
57319
90%
**01
100%
Alliant Reloder-25 👍
<<locked>>
93%
56855
89%
**63
100%
Alliant Reloder-26
<<locked>>
85%
57319
90%
**79
100%
Alliant Reloder-33
<<locked>>
97%
54824
86%
**33
95%
Hodgdon H1000
<<locked>>
97%
56376
88%
**37
99%
Hodgdon H4350
<<locked>>
84%
57188
90%
**78
100%
Hodgdon H4831
<<locked>>
91%
57217
90%
**07
98%
Hodgdon H4831 SC
<<locked>>
88%
57072
89%
**14
98%
Hodgdon Hybrid 100V
<<locked>>
84%
57406
90%
**58
100%
Hodgdon Retumbo
<<locked>>
97%
51634
81%
**91
100%
Hodgdon TrailBoss
<<locked>>
96%
35679
56%
**69
100%
IMR 4831
<<locked>>
85%
56956
89%
**74
100%
IMR 4955 Enduron
<<locked>>
89%
57392
90%
**81
98%
IMR 7828 SSC 👍
<<locked>>
87%
56840
89%
**69
99%
[IMR 7977 Enduron]*
<<locked>>
94%
56942
89%
**28
93%
IMR 8133 Enduron
<<locked>>
97%
46978
74%
**76
97%
Lovex S071
<<locked>>
94%
56956
89%
**51
100%
Norma 217
<<locked>>
97%
47659
75%
**92
99%
Norma MRP
<<locked>>
86%
57334
90%
**66
100%
Ramshot Magnum
<<locked>>
89%
56898
89%
**17
100%
ReloadSwiss RS 14
<<locked>>
97%
36970
58%
**28
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57058
89%
**25
100%
ReloadSwiss RS 80
<<locked>>
95%
57290
90%
**86
98%
Rottweil R 904
<<locked>>
86%
56913
89%
**94
99%
Rottweil R 905
<<locked>>
86%
56855
89%
**17
99%
Somchem S361
<<locked>>
85%
57130
90%
**45
98%
Somchem S385
<<locked>>
86%
57319
90%
**94
100%
Vihtavuori N165
<<locked>>
91%
57188
90%
**68
100%
[Vihtavuori N170]*
<<locked>>
97%
52417
82%
**89
93%
Vihtavuori N555
<<locked>>
86%
56913
89%
**04
100%
Vihtavuori N560
<<locked>>
88%
57000
89%
**79
98%
Vihtavuori N565
<<locked>>
92%
57188
90%
**40
99%
Vihtavuori N568
<<locked>>
95%
56927
89%
**63
97%
Vihtavuori N570
<<locked>>
96%
56942
89%
**06
96%
Winchester StaBALL HD
<<locked>>
89%
57188
90%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48109
75%
**59
98%
ADI AR 2213
<<locked>>
81%
43381
68%
**74
95%
[ADI AR 2217]*
<<locked>>
81%
32518
51%
**66
90%
[ADI AR 2218]*
<<locked>>
93%
43105
68%
**07
90%
[ADI AR 2225]*
<<locked>>
81%
29486
46%
**03
92%
Accurate 3100
<<locked>>
81%
44034
69%
**18
99%
[Accurate MAGPRO]*
<<locked>>
81%
43569
68%
**77
93%
Alliant Reloder-19
<<locked>>
81%
48080
75%
**59
98%
Alliant Reloder-22
<<locked>>
81%
44063
69%
**87
97%
Alliant Reloder-23
<<locked>>
81%
42670
67%
**45
100%
Alliant Reloder-25
<<locked>>
81%
36854
58%
**43
98%
Alliant Reloder-26
<<locked>>
81%
48733
76%
**12
100%
[Alliant Reloder-33]*
<<locked>>
89%
40915
64%
**35
90%
[Hodgdon H1000]*
<<locked>>
81%
32518
51%
**66
90%
Hodgdon H4350
<<locked>>
81%
51242
80%
**69
99%
[Hodgdon H4831]*
<<locked>>
81%
40567
64%
**59
94%
Hodgdon H4831 SC
<<locked>>
81%
45382
71%
**84
95%
Hodgdon Hybrid 100V
<<locked>>
81%
51764
81%
**66
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29486
46%
**03
92%
Hodgdon TrailBoss
<<locked>>
81%
28572
45%
**98
100%
IMR 4831
<<locked>>
81%
49385
77%
**40
100%
IMR 4955 Enduron
<<locked>>
81%
44237
69%
**31
95%
IMR 7828 SSC
<<locked>>
81%
44875
70%
**20
96%
[IMR 7977 Enduron]*
<<locked>>
90%
49879
78%
**87
90%
[IMR 8133 Enduron]*
<<locked>>
87%
32619
51%
**05
90%
Lovex S071
<<locked>>
81%
37782
59%
**67
97%
[Norma 217]*
<<locked>>
83%
28819
45%
**03
90%
Norma MRP
<<locked>>
81%
46891
73%
**73
99%
Ramshot Magnum
<<locked>>
81%
42134
66%
**18
97%
ReloadSwiss RS 14
<<locked>>
81%
29385
46%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
35592
56%
**43
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
35346
55%
**87
90%
Rottweil R 904
<<locked>>
81%
48820
76%
**43
97%
Rottweil R 905
<<locked>>
81%
47674
75%
**36
98%
Somchem S361
<<locked>>
81%
50372
79%
**30
97%
Somchem S385
<<locked>>
81%
48327
76%
**20
99%
Vihtavuori N165
<<locked>>
81%
40756
64%
**46
97%
[Vihtavuori N170]*
<<locked>>
92%
44657
70%
**25
90%
Vihtavuori N555
<<locked>>
81%
47253
74%
**33
100%
Vihtavuori N560
<<locked>>
81%
44382
70%
**20
95%
[Vihtavuori N565]*
<<locked>>
81%
38493
60%
**33
93%
[Vihtavuori N568]*
<<locked>>
84%
37130
58%
**33
90%
[Vihtavuori N570]*
<<locked>>
88%
42540
67%
**84
90%
Winchester StaBALL HD
<<locked>>
81%
40756
64%
**87
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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