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

Recommended Powder(s): Alliant Reloder-25, IMR 7828 SSC, Ramshot Magnum, ReloadSwiss RS 76, Winchester StaBALL HD

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Barnes TTSX BT
Manufacturer SKU:
30298
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.219" | 31.0mm
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:
0.275" | 7.0mm
Shank Seated Depth:
0.150" | 3.8mm
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_B559_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 92 loads in caliber 7 mm KM Katzmaier with .284 | 120gr | Barnes TTSX BT bullet and 46 powders such as Alliant Reloder-25, IMR 7828 SSC, Ramshot Magnum, ReloadSwiss RS 76, Winchester StaBALL HD. 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>>
87%
56971
89%
**40
99%
ADI AR 2213
<<locked>>
89%
56826
89%
**63
99%
ADI AR 2217
<<locked>>
97%
54534
85%
**14
99%
[ADI AR 2218]*
<<locked>>
97%
47892
75%
**35
93%
ADI AR 2225
<<locked>>
97%
50053
78%
**64
100%
Accurate 3100
<<locked>>
89%
57276
90%
**68
100%
Accurate MAGPRO
<<locked>>
89%
56811
89%
**63
97%
Alliant Reloder-19
<<locked>>
87%
57203
90%
**27
99%
Alliant Reloder-22
<<locked>>
89%
57319
90%
**60
99%
Alliant Reloder-23
<<locked>>
90%
56927
89%
**01
100%
Alliant Reloder-25 👍
<<locked>>
94%
56884
89%
**66
100%
Alliant Reloder-26
<<locked>>
86%
56695
89%
**73
100%
Alliant Reloder-33
<<locked>>
97%
53272
83%
**17
95%
Hodgdon H1000
<<locked>>
97%
54534
85%
**14
99%
Hodgdon H4350
<<locked>>
85%
56971
89%
**87
100%
Hodgdon H4831
<<locked>>
92%
57392
90%
**23
98%
Hodgdon H4831 SC
<<locked>>
88%
57101
89%
**10
98%
Hodgdon Hybrid 100V
<<locked>>
84%
57087
89%
**51
100%
Hodgdon Retumbo
<<locked>>
97%
50053
78%
**64
100%
Hodgdon TrailBoss
<<locked>>
97%
35926
56%
**69
100%
IMR 4350
<<locked>>
83%
57305
90%
**84
100%
IMR 4831
<<locked>>
86%
57145
90%
**78
100%
IMR 4955 Enduron
<<locked>>
90%
57232
90%
**94
98%
IMR 7828 SSC 👍
<<locked>>
88%
56942
89%
**73
99%
[IMR 7977 Enduron]*
<<locked>>
94%
57072
89%
**19
92%
IMR 8133 Enduron
<<locked>>
97%
45469
71%
**53
96%
Lovex S071
<<locked>>
94%
57276
90%
**68
100%
Norma 217
<<locked>>
97%
46499
73%
**92
99%
Norma MRP
<<locked>>
87%
56739
89%
**73
100%
Ramshot Magnum 👍
<<locked>>
90%
57392
90%
**30
100%
ReloadSwiss RS 14
<<locked>>
96%
36564
57%
**11
100%
ReloadSwiss RS 76 👍
<<locked>>
94%
57029
89%
**32
100%
ReloadSwiss RS 80
<<locked>>
96%
57058
89%
**83
98%
Rottweil R 904
<<locked>>
86%
57319
90%
**01
99%
Rottweil R 905
<<locked>>
87%
56985
89%
**30
99%
Somchem S361
<<locked>>
85%
57101
89%
**48
98%
Somchem S365
<<locked>>
83%
57188
90%
**81
100%
Somchem S385
<<locked>>
87%
57305
90%
**87
100%
Vihtavuori N165
<<locked>>
92%
57101
89%
**74
100%
[Vihtavuori N170]*
<<locked>>
97%
50865
80%
**46
92%
Vihtavuori N555
<<locked>>
87%
57058
89%
**14
100%
Vihtavuori N560
<<locked>>
89%
56985
89%
**76
98%
Vihtavuori N565
<<locked>>
93%
57261
90%
**50
99%
Vihtavuori N568
<<locked>>
96%
57130
90%
**79
98%
Vihtavuori N570
<<locked>>
97%
56724
89%
**99
95%
Winchester StaBALL HD 👍
<<locked>>
90%
56739
89%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
47123
74%
**43
98%
ADI AR 2213
<<locked>>
81%
42380
66%
**71
95%
[ADI AR 2217]*
<<locked>>
82%
32866
51%
**89
90%
[ADI AR 2218]*
<<locked>>
94%
43613
68%
**10
90%
[ADI AR 2225]*
<<locked>>
81%
28819
45%
**94
91%
Accurate 3100
<<locked>>
81%
42960
67%
**99
99%
[Accurate MAGPRO]*
<<locked>>
81%
42322
66%
**45
92%
Alliant Reloder-19
<<locked>>
81%
47036
74%
**40
98%
Alliant Reloder-22
<<locked>>
81%
43120
68%
**71
97%
Alliant Reloder-23
<<locked>>
81%
41539
65%
**15
100%
Alliant Reloder-25
<<locked>>
81%
35853
56%
**17
98%
Alliant Reloder-26
<<locked>>
81%
47529
74%
**02
100%
[Alliant Reloder-33]*
<<locked>>
90%
41379
65%
**51
90%
[Hodgdon H1000]*
<<locked>>
82%
32866
51%
**89
90%
Hodgdon H4350
<<locked>>
81%
50415
79%
**63
99%
[Hodgdon H4831]*
<<locked>>
81%
39465
62%
**43
93%
Hodgdon H4831 SC
<<locked>>
81%
44309
69%
**61
95%
Hodgdon Hybrid 100V
<<locked>>
81%
50778
80%
**46
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28819
45%
**94
91%
Hodgdon TrailBoss
<<locked>>
81%
28616
45%
**95
100%
IMR 4350
<<locked>>
81%
52750
83%
**02
99%
IMR 4831
<<locked>>
81%
48428
76%
**30
100%
IMR 4955 Enduron
<<locked>>
81%
43497
68%
**05
95%
IMR 7828 SSC
<<locked>>
81%
43729
69%
**00
95%
[IMR 7977 Enduron]*
<<locked>>
90%
50343
79%
**00
90%
[IMR 8133 Enduron]*
<<locked>>
87%
32605
51%
**05
90%
Lovex S071
<<locked>>
81%
36912
58%
**51
97%
[Norma 217]*
<<locked>>
83%
28543
45%
**97
90%
Norma MRP
<<locked>>
81%
45716
72%
**53
99%
Ramshot Magnum
<<locked>>
81%
40886
64%
**05
97%
ReloadSwiss RS 14
<<locked>>
81%
29298
46%
**41
100%
ReloadSwiss RS 76
<<locked>>
81%
34519
54%
**07
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
35607
56%
**00
90%
Rottweil R 904
<<locked>>
81%
48022
75%
**20
97%
Rottweil R 905
<<locked>>
81%
46557
73%
**17
98%
Somchem S361
<<locked>>
81%
49139
77%
**04
97%
Somchem S365
<<locked>>
81%
52402
82%
**19
100%
Somchem S385
<<locked>>
81%
47195
74%
**00
98%
Vihtavuori N165
<<locked>>
81%
40016
63%
**23
96%
[Vihtavuori N170]*
<<locked>>
93%
44802
70%
**25
90%
Vihtavuori N555
<<locked>>
81%
46311
73%
**10
100%
Vihtavuori N560
<<locked>>
81%
43250
68%
**97
95%
[Vihtavuori N565]*
<<locked>>
81%
37449
59%
**10
92%
[Vihtavuori N568]*
<<locked>>
84%
36927
58%
**33
90%
[Vihtavuori N570]*
<<locked>>
89%
42467
67%
**94
90%
Winchester StaBALL HD
<<locked>>
81%
39291
62%
**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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