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Load data for 7 mm KM Katzmaier + .284 | 150gr | Barnes TTSX BT

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

7 mm KM Katzmaier + .284 | 150gr | Barnes TTSX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Barnes TTSX BT
Manufacturer SKU:
30303
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.433" | 36.4mm
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:
0.489" | 12.4mm
Shank Seated Depth:
0.364" | 9.2mm
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_B573_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 88 loads in caliber 7 mm KM Katzmaier with .284 | 150gr | Barnes TTSX BT bullet and 44 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 2209
<<locked>>
83%
57246
90%
**64
100%
ADI AR 2213
<<locked>>
86%
56956
89%
**04
100%
ADI AR 2217 👍
<<locked>>
94%
57145
90%
**87
100%
ADI AR 2218
<<locked>>
97%
55114
86%
**56
98%
ADI AR 2225 👍
<<locked>>
96%
57072
89%
**17
100%
Accurate 3100
<<locked>>
86%
56768
89%
**89
100%
[Accurate 8700]*
<<locked>>
97%
43830
69%
**35
94%
Accurate MAGPRO
<<locked>>
86%
56985
89%
**00
99%
Alliant Reloder-19
<<locked>>
83%
56869
89%
**58
100%
Alliant Reloder-22
<<locked>>
86%
57276
90%
**91
100%
Alliant Reloder-23
<<locked>>
87%
57261
90%
**18
100%
Alliant Reloder-25
<<locked>>
90%
56942
89%
**84
100%
Alliant Reloder-33
<<locked>>
95%
57188
90%
**33
98%
Alliant Reloder-50
<<locked>>
97%
53156
83%
**58
97%
Hodgdon H1000 👍
<<locked>>
94%
57145
90%
**87
100%
Hodgdon H4831
<<locked>>
88%
57203
90%
**54
99%
Hodgdon H4831 SC
<<locked>>
85%
57203
90%
**54
99%
Hodgdon Retumbo 👍
<<locked>>
96%
57072
89%
**17
100%
Hodgdon TrailBoss
<<locked>>
96%
36013
56%
**55
100%
IMR 4955 Enduron
<<locked>>
86%
57058
89%
**25
100%
IMR 7828 SSC
<<locked>>
85%
57159
90%
**10
100%
IMR 7977 Enduron
<<locked>>
91%
57392
90%
**89
95%
IMR 8133 Enduron
<<locked>>
97%
52852
83%
**38
100%
[Lovex D100]*
<<locked>>
95%
57116
89%
**05
94%
Lovex S071
<<locked>>
90%
56768
89%
**89
100%
Norma 217 👍
<<locked>>
97%
54317
85%
**71
100%
Norma MRP
<<locked>>
83%
57174
90%
**04
100%
[Ramshot LRT]*
<<locked>>
97%
54897
86%
**77
93%
Ramshot Magnum
<<locked>>
86%
56753
89%
**45
100%
ReloadSwiss RS 14
<<locked>>
97%
37275
58%
**05
100%
ReloadSwiss RS 76
<<locked>>
90%
56913
89%
**43
100%
ReloadSwiss RS 80
<<locked>>
92%
57058
89%
**20
99%
Rottweil R 905
<<locked>>
84%
57348
90%
**61
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
46137
72%
**61
94%
Somchem S385
<<locked>>
83%
56724
89%
**12
100%
[Vihtavuori 24N41]*
<<locked>>
97%
55622
87%
**48
93%
Vihtavuori N165
<<locked>>
88%
56782
89%
**02
100%
Vihtavuori N170
<<locked>>
96%
56797
89%
**25
97%
Vihtavuori N555
<<locked>>
84%
57232
90%
**25
100%
Vihtavuori N560
<<locked>>
85%
57334
90%
**23
100%
Vihtavuori N565
<<locked>>
89%
56840
89%
**81
100%
Vihtavuori N568
<<locked>>
92%
56797
89%
**20
99%
Vihtavuori N570
<<locked>>
93%
56956
89%
**53
98%
Winchester StaBALL HD
<<locked>>
86%
57290
90%
**00
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
52968
83%
**89
100%
ADI AR 2213
<<locked>>
81%
48138
75%
**40
99%
ADI AR 2217
<<locked>>
81%
35882
56%
**57
95%
[ADI AR 2218]*
<<locked>>
86%
36970
58%
**36
90%
ADI AR 2225
<<locked>>
81%
33069
52%
**21
97%
Accurate 3100
<<locked>>
81%
48849
77%
**58
100%
[Accurate 8700]*
<<locked>>
92%
36303
57%
**57
90%
Accurate MAGPRO
<<locked>>
81%
48559
76%
**46
97%
Alliant Reloder-19
<<locked>>
81%
52837
83%
**89
100%
Alliant Reloder-22
<<locked>>
81%
48936
77%
**46
100%
Alliant Reloder-23
<<locked>>
81%
47587
75%
**71
100%
Alliant Reloder-25
<<locked>>
81%
41553
65%
**08
100%
[Alliant Reloder-33]*
<<locked>>
82%
35288
55%
**77
90%
[Alliant Reloder-50]*
<<locked>>
87%
36347
57%
**94
90%
Hodgdon H1000
<<locked>>
81%
35882
56%
**57
95%
Hodgdon H4831
<<locked>>
81%
44556
70%
**12
97%
Hodgdon H4831 SC
<<locked>>
81%
49748
78%
**17
98%
Hodgdon Retumbo
<<locked>>
81%
33069
52%
**21
97%
Hodgdon TrailBoss
<<locked>>
81%
28935
45%
**95
100%
IMR 4955 Enduron
<<locked>>
81%
48356
76%
**67
98%
IMR 7828 SSC
<<locked>>
81%
50053
78%
**76
99%
[IMR 7977 Enduron]*
<<locked>>
82%
41814
66%
**97
90%
[IMR 8133 Enduron]*
<<locked>>
81%
30647
48%
**39
92%
[Lovex D100]*
<<locked>>
88%
45745
72%
**05
90%
Lovex S071
<<locked>>
81%
41901
66%
**26
100%
Norma 217
<<locked>>
81%
30864
48%
**59
95%
Norma MRP
<<locked>>
81%
52431
82%
**22
100%
[Ramshot LRT]*
<<locked>>
93%
48283
76%
**53
90%
Ramshot Magnum
<<locked>>
81%
47413
74%
**87
100%
ReloadSwiss RS 14
<<locked>>
81%
29675
47%
**37
100%
ReloadSwiss RS 76
<<locked>>
81%
40306
63%
**41
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
37101
58%
**20
94%
Rottweil R 905
<<locked>>
81%
52562
82%
**82
100%
[SNPE Vectan SP 13]*
<<locked>>
90%
36593
57%
**48
90%
Somchem S385
<<locked>>
81%
52852
83%
**49
100%
[Vihtavuori 24N41]*
<<locked>>
93%
48211
76%
**10
90%
Vihtavuori N165
<<locked>>
81%
44991
70%
**89
99%
[Vihtavuori N170]*
<<locked>>
84%
38203
60%
**51
90%
Vihtavuori N555
<<locked>>
81%
52663
83%
**59
100%
Vihtavuori N560
<<locked>>
81%
49298
77%
**72
98%
Vihtavuori N565
<<locked>>
81%
43062
67%
**22
97%
[Vihtavuori N568]*
<<locked>>
81%
38276
60%
**40
94%
[Vihtavuori N570]*
<<locked>>
81%
36347
57%
**07
90%
Winchester StaBALL HD
<<locked>>
81%
47007
74%
**33
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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