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Load data for 7 mm KM Katzmaier + .284 | 165gr | Merlin Virtus

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, Norma 217, ReloadSwiss RS 80, Vihtavuori N568

7 mm KM Katzmaier + .284 | 165gr | Merlin Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 165gr | Merlin Virtus
Manufacturer SKU:
Merlin-0.284-165
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.590" | 40.4mm
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:
0.646" | 16.4mm
Shank Seated Depth:
0.358" | 9.1mm
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_B10759_C1057
Last updated:
2025-01-01
Recommended Twist Rate:
1:8 - 1:7

Load data for 80 loads in caliber 7 mm KM Katzmaier with .284 | 165gr | Merlin Virtus bullet and 40 powders such as ADI AR 2217, Hodgdon H1000, Norma 217, ReloadSwiss RS 80, Vihtavuori N568. 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 2213
<<locked>>
85%
57145
90%
**89
100%
ADI AR 2217 👍
<<locked>>
93%
57029
89%
**72
100%
ADI AR 2218
<<locked>>
97%
57217
90%
**94
99%
ADI AR 2225
<<locked>>
95%
56753
89%
**95
100%
Accurate 3100
<<locked>>
85%
57406
90%
**84
100%
Accurate 8700
<<locked>>
97%
45281
71%
**76
96%
Accurate MAGPRO
<<locked>>
85%
56884
89%
**92
99%
Alliant Reloder-22
<<locked>>
85%
56811
89%
**72
100%
Alliant Reloder-23
<<locked>>
86%
56913
89%
**00
100%
Alliant Reloder-25
<<locked>>
89%
57246
90%
**66
100%
Alliant Reloder-33
<<locked>>
94%
57087
89%
**38
99%
Alliant Reloder-50
<<locked>>
97%
54853
86%
**79
98%
Hodgdon H1000 👍
<<locked>>
93%
57029
89%
**72
100%
Hodgdon H4831
<<locked>>
88%
57188
90%
**40
100%
Hodgdon H4831 SC
<<locked>>
84%
57188
90%
**40
100%
Hodgdon Retumbo
<<locked>>
95%
56753
89%
**95
100%
[Hodgdon US 869]*
<<locked>>
97%
50096
78%
**35
92%
Hodgdon TrailBoss
<<locked>>
96%
36114
57%
**67
100%
IMR 4955 Enduron
<<locked>>
85%
56855
89%
**07
100%
IMR 7828 SSC
<<locked>>
84%
57421
90%
**99
100%
IMR 7977 Enduron
<<locked>>
90%
56913
89%
**81
96%
IMR 8133 Enduron
<<locked>>
97%
54882
86%
**66
100%
Lovex D100
<<locked>>
94%
56811
89%
**17
95%
Lovex S071
<<locked>>
90%
57145
90%
**74
100%
Norma 217 👍
<<locked>>
97%
56391
88%
**86
100%
Ramshot LRT
<<locked>>
97%
56724
89%
**22
95%
Ramshot Magnum
<<locked>>
85%
56869
89%
**40
100%
ReloadSwiss RS 14
<<locked>>
97%
37362
59%
**16
100%
ReloadSwiss RS 76
<<locked>>
89%
56942
89%
**31
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
57435
90%
**28
100%
SNPE Vectan SP 13
<<locked>>
97%
47398
74%
**92
96%
[Vihtavuori 20N29]*
<<locked>>
97%
45513
71%
**56
93%
[Vihtavuori 24N41]*
<<locked>>
97%
56695
89%
**76
94%
Vihtavuori N165
<<locked>>
88%
57348
90%
**97
100%
Vihtavuori N170
<<locked>>
96%
57087
89%
**33
98%
Vihtavuori N560
<<locked>>
84%
57174
90%
**95
100%
Vihtavuori N565
<<locked>>
88%
57116
90%
**69
100%
Vihtavuori N568 👍
<<locked>>
91%
57246
90%
**15
100%
Vihtavuori N570
<<locked>>
92%
56898
89%
**51
98%
Winchester StaBALL HD
<<locked>>
85%
57334
90%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49763
78%
**58
99%
ADI AR 2217
<<locked>>
81%
36912
58%
**92
97%
[ADI AR 2218]*
<<locked>>
83%
34040
53%
**72
90%
ADI AR 2225
<<locked>>
81%
34026
53%
**59
99%
Accurate 3100
<<locked>>
81%
49734
78%
**62
100%
[Accurate 8700]*
<<locked>>
89%
34229
54%
**20
90%
Accurate MAGPRO
<<locked>>
81%
49879
78%
**74
98%
Alliant Reloder-22
<<locked>>
81%
50401
79%
**61
100%
Alliant Reloder-23
<<locked>>
81%
48805
76%
**72
100%
Alliant Reloder-25
<<locked>>
81%
42989
67%
**33
100%
[Alliant Reloder-33]*
<<locked>>
81%
34838
55%
**72
91%
[Alliant Reloder-50]*
<<locked>>
85%
34577
54%
**46
90%
Hodgdon H1000
<<locked>>
81%
36912
58%
**92
97%
Hodgdon H4831
<<locked>>
81%
45847
72%
**43
98%
Hodgdon H4831 SC
<<locked>>
81%
51271
80%
**48
99%
Hodgdon Retumbo
<<locked>>
81%
34026
53%
**59
99%
[Hodgdon US 869]*
<<locked>>
94%
44251
69%
**30
90%
Hodgdon TrailBoss
<<locked>>
81%
28921
45%
**13
100%
IMR 4955 Enduron
<<locked>>
81%
49545
78%
**89
99%
IMR 7828 SSC
<<locked>>
81%
51750
81%
**97
100%
[IMR 7977 Enduron]*
<<locked>>
81%
42032
66%
**08
91%
[IMR 8133 Enduron]*
<<locked>>
81%
31314
49%
**64
94%
[Lovex D100]*
<<locked>>
86%
42699
67%
**44
90%
Lovex S071
<<locked>>
81%
42728
67%
**38
100%
Norma 217
<<locked>>
81%
31836
50%
**90
97%
[Ramshot LRT]*
<<locked>>
90%
44527
70%
**85
90%
Ramshot Magnum
<<locked>>
81%
49023
77%
**15
100%
ReloadSwiss RS 14
<<locked>>
81%
29660
46%
**52
100%
ReloadSwiss RS 76
<<locked>>
81%
41727
65%
**59
100%
ReloadSwiss RS 80
<<locked>>
81%
38232
60%
**51
96%
[SNPE Vectan SP 13]*
<<locked>>
88%
34171
54%
**00
90%
[Vihtavuori 20N29]*
<<locked>>
93%
38783
61%
**18
90%
[Vihtavuori 24N41]*
<<locked>>
90%
44788
70%
**49
90%
Vihtavuori N165
<<locked>>
81%
46166
72%
**13
100%
[Vihtavuori N170]*
<<locked>>
81%
35027
55%
**87
90%
Vihtavuori N560
<<locked>>
81%
50662
79%
**94
99%
Vihtavuori N565
<<locked>>
81%
44338
69%
**46
98%
Vihtavuori N568
<<locked>>
81%
39407
62%
**71
96%
[Vihtavuori N570]*
<<locked>>
81%
37521
59%
**44
92%
Winchester StaBALL HD
<<locked>>
81%
49023
77%
**48
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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