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Load data for 7 mm KM Katzmaier + .284 | 120gr | Barnes TSX BT

Recommended Powder(s):

7 mm KM Katzmaier + .284 | 120gr | Barnes TSX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Barnes TSX BT
Manufacturer SKU:
30287
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.150" | 29.2mm
Caliber:
7 mm KM Katzmaier load data
Case Length (l3):
2.720" | 69.1mm
Cartridge Length (C.O.L.):
3.623" | 92.0mm
Seated Depth:
0.247" | 6.3mm
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_B558_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 92 loads in caliber 7 mm KM Katzmaier with .284 | 120gr | Barnes TSX BT bullet and 46 powder(s). 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%
56956
89%
**33
99%
ADI AR 2213 👍
<<locked>>
89%
57072
89%
**66
99%
ADI AR 2217
<<locked>>
97%
55187
86%
**23
99%
[ADI AR 2218]*
<<locked>>
97%
48269
76%
**32
93%
ADI AR 2225
<<locked>>
97%
50372
79%
**71
100%
Accurate 3100
<<locked>>
89%
56855
89%
**58
100%
Accurate MAGPRO
<<locked>>
89%
57305
90%
**60
97%
Alliant Reloder-19
<<locked>>
87%
57319
90%
**27
99%
Alliant Reloder-22
<<locked>>
89%
57421
90%
**60
99%
Alliant Reloder-23
<<locked>>
90%
57188
90%
**04
100%
Alliant Reloder-25 👍
<<locked>>
94%
57406
90%
**63
100%
Alliant Reloder-26
<<locked>>
86%
56956
89%
**76
100%
Alliant Reloder-33
<<locked>>
97%
53417
84%
**14
95%
Hodgdon H1000
<<locked>>
97%
55187
86%
**23
99%
Hodgdon H4350
<<locked>>
85%
57101
89%
**91
100%
Hodgdon H4831
<<locked>>
92%
57203
90%
**10
98%
Hodgdon H4831 SC
<<locked>>
88%
57203
90%
**10
98%
Hodgdon Hybrid 100V
<<locked>>
84%
57377
90%
**58
100%
Hodgdon Retumbo
<<locked>>
97%
50372
79%
**71
100%
Hodgdon TrailBoss
<<locked>>
96%
35708
56%
**69
100%
IMR 4350
<<locked>>
83%
57174
90%
**78
100%
IMR 4831
<<locked>>
86%
57305
90%
**81
100%
IMR 4955 Enduron
<<locked>>
90%
57334
90%
**94
98%
IMR 7828 SSC 👍
<<locked>>
88%
56768
89%
**76
99%
[IMR 7977 Enduron]*
<<locked>>
94%
57130
90%
**32
92%
IMR 8133 Enduron
<<locked>>
97%
45803
72%
**56
97%
Lovex S071
<<locked>>
94%
56855
89%
**58
100%
Norma 217
<<locked>>
97%
46572
73%
**89
99%
Norma MRP
<<locked>>
87%
56840
89%
**73
100%
Ramshot Magnum
<<locked>>
89%
56942
89%
**17
100%
ReloadSwiss RS 14
<<locked>>
96%
36608
57%
**15
100%
ReloadSwiss RS 76 👍
<<locked>>
94%
57087
89%
**28
100%
ReloadSwiss RS 80
<<locked>>
96%
57217
90%
**79
98%
Rottweil R 904
<<locked>>
86%
56884
89%
**91
99%
Rottweil R 905
<<locked>>
87%
57116
90%
**30
99%
Somchem S361
<<locked>>
85%
56797
89%
**48
98%
Somchem S365
<<locked>>
83%
57072
89%
**87
100%
Somchem S385
<<locked>>
87%
57406
90%
**91
100%
Vihtavuori N165
<<locked>>
92%
57188
90%
**74
100%
[Vihtavuori N170]*
<<locked>>
97%
51430
81%
**76
93%
Vihtavuori N555
<<locked>>
87%
57334
90%
**17
100%
Vihtavuori N560
<<locked>>
89%
57087
89%
**76
98%
Vihtavuori N565
<<locked>>
93%
57029
89%
**50
99%
Vihtavuori N568
<<locked>>
96%
57319
90%
**79
98%
Vihtavuori N570
<<locked>>
97%
56753
89%
**92
95%
Winchester StaBALL HD 👍
<<locked>>
90%
56913
89%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
47427
74%
**59
98%
ADI AR 2213
<<locked>>
81%
42525
67%
**58
95%
[ADI AR 2217]*
<<locked>>
82%
32648
51%
**76
90%
[ADI AR 2218]*
<<locked>>
94%
43381
68%
**07
90%
[ADI AR 2225]*
<<locked>>
81%
28921
45%
**97
91%
Accurate 3100
<<locked>>
81%
43105
68%
**02
99%
[Accurate MAGPRO]*
<<locked>>
81%
42685
67%
**61
93%
Alliant Reloder-19
<<locked>>
81%
47195
74%
**43
98%
Alliant Reloder-22
<<locked>>
81%
43265
68%
**74
97%
Alliant Reloder-23
<<locked>>
81%
41814
66%
**22
100%
Alliant Reloder-25
<<locked>>
81%
36216
57%
**23
98%
Alliant Reloder-26
<<locked>>
81%
47674
75%
**02
100%
[Alliant Reloder-33]*
<<locked>>
90%
41423
65%
**48
90%
[Hodgdon H1000]*
<<locked>>
82%
32648
51%
**76
90%
Hodgdon H4350
<<locked>>
81%
50560
79%
**66
99%
[Hodgdon H4831]*
<<locked>>
81%
39842
62%
**49
93%
Hodgdon H4831 SC
<<locked>>
81%
44440
70%
**64
95%
Hodgdon Hybrid 100V
<<locked>>
81%
50966
80%
**50
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28921
45%
**97
91%
Hodgdon TrailBoss
<<locked>>
81%
28500
45%
**88
100%
IMR 4350
<<locked>>
81%
53272
83%
**05
99%
IMR 4831
<<locked>>
81%
48617
76%
**33
100%
IMR 4955 Enduron
<<locked>>
81%
43627
68%
**12
95%
IMR 7828 SSC
<<locked>>
81%
44019
69%
**14
96%
[IMR 7977 Enduron]*
<<locked>>
90%
49908
78%
**87
90%
[IMR 8133 Enduron]*
<<locked>>
87%
32372
51%
**05
90%
Lovex S071
<<locked>>
81%
37072
58%
**58
97%
[Norma 217]*
<<locked>>
83%
28747
45%
**07
90%
Norma MRP
<<locked>>
81%
45876
72%
**56
99%
Ramshot Magnum
<<locked>>
81%
41002
64%
**09
97%
ReloadSwiss RS 14
<<locked>>
81%
29312
46%
**41
100%
ReloadSwiss RS 76
<<locked>>
81%
34708
54%
**13
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
35694
56%
**97
90%
Rottweil R 904
<<locked>>
81%
48182
75%
**23
97%
Rottweil R 905
<<locked>>
81%
46717
73%
**20
98%
Somchem S361
<<locked>>
81%
49574
78%
**07
97%
Somchem S365
<<locked>>
81%
52866
83%
**19
100%
Somchem S385
<<locked>>
81%
47340
74%
**04
99%
Vihtavuori N165
<<locked>>
81%
40147
63%
**27
96%
[Vihtavuori N170]*
<<locked>>
93%
45092
71%
**31
90%
Vihtavuori N555
<<locked>>
81%
46485
73%
**14
100%
Vihtavuori N560
<<locked>>
81%
43395
68%
**00
95%
[Vihtavuori N565]*
<<locked>>
81%
37826
59%
**30
93%
[Vihtavuori N568]*
<<locked>>
84%
37028
58%
**33
90%
[Vihtavuori N570]*
<<locked>>
89%
42540
67%
**94
90%
Winchester StaBALL HD
<<locked>>
81%
39856
62%
**68
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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