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Load data for 7 mm STW + .284 | 120gr | Merlin Virtus

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

7 mm STW + .284 | 120gr | Merlin Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Merlin Virtus
Manufacturer SKU:
Merlin-0.284-120
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.150" | 29.2mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.405" | 10.3mm
Shank Seated Depth:
0.283" | 7.2mm
Case Capacity:
97.0 Grains of Water | 6.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
66717 psi | 4600 bar
LID:
LID_B10756_C1066
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 148 loads in caliber 7 mm STW with .284 | 120gr | Merlin Virtus bullet and 74 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, 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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  • .

    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 2208
<<locked>>
84%
59669
89%
**25
100%
ADI AR 2209
<<locked>>
94%
59683
89%
**04
99%
ADI AR 2213
<<locked>>
97%
59640
89%
**33
98%
[ADI AR 2217]*
<<locked>>
97%
43627
65%
**02
94%
ADI AR 2225
<<locked>>
97%
38508
58%
**33
96%
Accurate 2700
<<locked>>
85%
59408
89%
**73
99%
Accurate 3100
<<locked>>
97%
59538
89%
**19
100%
Accurate 4350
<<locked>>
88%
59582
89%
**64
100%
Accurate MAGPRO
<<locked>>
97%
59263
89%
**17
97%
Alliant Reloder- TS 15.5
<<locked>>
83%
59654
89%
**19
100%
Alliant Reloder-16
<<locked>>
90%
59480
89%
**14
100%
Alliant Reloder-17
<<locked>>
85%
59277
89%
**94
100%
Alliant Reloder-19
<<locked>>
94%
59408
89%
**91
99%
Alliant Reloder-22
<<locked>>
97%
59495
89%
**20
99%
Alliant Reloder-23
<<locked>>
97%
56811
85%
**45
100%
Alliant Reloder-25
<<locked>>
97%
48689
73%
**56
100%
Alliant Reloder-26 👍
<<locked>>
94%
59640
89%
**50
100%
[Hodgdon H1000]*
<<locked>>
97%
43627
65%
**02
94%
Hodgdon H414
<<locked>>
85%
59683
89%
**84
100%
Hodgdon H4350
<<locked>>
92%
59393
89%
**32
99%
Hodgdon H4831
<<locked>>
97%
54563
82%
**82
97%
Hodgdon H4831 SC
<<locked>>
96%
60031
90%
**68
98%
Hodgdon Hybrid 100V
<<locked>>
92%
59669
89%
**19
100%
Hodgdon LVR
<<locked>>
87%
59959
90%
**74
100%
Hodgdon Retumbo
<<locked>>
97%
38508
58%
**33
96%
Hodgdon Superperformance
<<locked>>
87%
59611
89%
**04
100%
Hodgdon VARGET
<<locked>>
84%
59408
89%
**12
100%
Hodgdon TrailBoss
<<locked>>
96%
34969
52%
**64
100%
IMR 4064
<<locked>>
85%
59654
89%
**19
100%
IMR 4166 Enduron
<<locked>>
86%
59857
90%
**19
100%
IMR 4350
<<locked>>
90%
59408
89%
**32
99%
IMR 4451 Enduron
<<locked>>
86%
59698
89%
**38
100%
IMR 4831
<<locked>>
94%
59799
90%
**45
100%
IMR 4955 Enduron
<<locked>>
97%
59683
89%
**32
98%
IMR 7828 SSC
<<locked>>
96%
59698
89%
**43
98%
Lovex S065
<<locked>>
88%
59509
89%
**19
100%
Lovex S070
<<locked>>
89%
59915
90%
**35
100%
Lovex S071
<<locked>>
97%
49545
74%
**64
99%
Norma 204 👍
<<locked>>
90%
60031
90%
**87
99%
[Norma 217]*
<<locked>>
97%
34171
51%
**25
93%
Norma MRP
<<locked>>
95%
59553
89%
**43
100%
Norma URP
<<locked>>
89%
59437
89%
**71
100%
Ramshot Hunter 👍
<<locked>>
90%
59234
89%
**71
100%
Ramshot Magnum
<<locked>>
97%
59814
90%
**91
100%
ReloadSwiss RS 14
<<locked>>
96%
35621
53%
**10
100%
ReloadSwiss RS 60
<<locked>>
86%
59683
89%
**23
100%
ReloadSwiss RS 62
<<locked>>
88%
59248
89%
**78
100%
ReloadSwiss RS 70
<<locked>>
89%
59335
89%
**23
100%
ReloadSwiss RS 76
<<locked>>
97%
48124
72%
**86
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
43743
66%
**58
93%
Rottweil R 903
<<locked>>
85%
60017
90%
**25
100%
Rottweil R 904
<<locked>>
93%
59466
89%
**48
98%
Rottweil R 905
<<locked>>
94%
59930
90%
**84
99%
Rottweil R 907
<<locked>>
87%
59495
89%
**25
99%
SNPE Vectan SP 11
<<locked>>
83%
59640
89%
**55
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
59582
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
59306
89%
**66
100%
Shooters World Long Rifle
<<locked>>
88%
59509
89%
**19
100%
Somchem S355
<<locked>>
85%
59886
90%
**19
100%
Somchem S361
<<locked>>
92%
59756
90%
**99
98%
Somchem S365
<<locked>>
91%
59959
90%
**68
100%
Somchem S385
<<locked>>
94%
59828
90%
**51
100%
Vihtavuori N135
<<locked>>
86%
59495
89%
**20
100%
Vihtavuori N150
<<locked>>
90%
59654
89%
**63
100%
Vihtavuori N160
<<locked>>
87%
59408
89%
**25
100%
Vihtavuori N165
<<locked>>
97%
55303
83%
**56
99%
Vihtavuori N550
<<locked>>
86%
59335
89%
**58
100%
Vihtavuori N555 👍
<<locked>>
95%
59553
89%
**81
100%
Vihtavuori N560
<<locked>>
97%
59524
89%
**50
98%
Vihtavuori N565
<<locked>>
97%
51285
77%
**56
96%
[Vihtavuori N568]*
<<locked>>
97%
44991
67%
**71
93%
Winchester 6.5 StaBALL
<<locked>>
88%
59698
89%
**79
100%
Winchester 760
<<locked>>
85%
59683
89%
**84
100%
Winchester StaBALL HD 👍
<<locked>>
97%
54143
81%
**01
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
54201
81%
**40
100%
[ADI AR 2209]*
<<locked>>
81%
38421
58%
**74
93%
[ADI AR 2213]*
<<locked>>
82%
35955
54%
**28
90%
[ADI AR 2217]*
<<locked>>
91%
35882
54%
**05
90%
[ADI AR 2225]*
<<locked>>
89%
29994
45%
**61
90%
Accurate 2700
<<locked>>
81%
52634
79%
**64
99%
Accurate 3100
<<locked>>
81%
33707
51%
**20
95%
Accurate 4350
<<locked>>
81%
45716
69%
**18
99%
[Accurate MAGPRO]*
<<locked>>
86%
40059
60%
**36
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
55448
83%
**56
100%
Alliant Reloder-16
<<locked>>
81%
44034
66%
**38
100%
Alliant Reloder-17
<<locked>>
81%
51459
77%
**73
100%
[Alliant Reloder-19]*
<<locked>>
81%
38247
57%
**64
94%
[Alliant Reloder-22]*
<<locked>>
81%
33924
51%
**76
91%
Alliant Reloder-23
<<locked>>
81%
32561
49%
**53
98%
[Alliant Reloder-25]*
<<locked>>
81%
28253
42%
**25
92%
Alliant Reloder-26
<<locked>>
81%
35795
54%
**87
97%
[Hodgdon H1000]*
<<locked>>
91%
35882
54%
**05
90%
Hodgdon H414
<<locked>>
81%
52054
78%
**56
99%
Hodgdon H4350
<<locked>>
81%
42192
63%
**10
96%
[Hodgdon H4831]*
<<locked>>
85%
36579
55%
**95
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
36738
55%
**95
90%
Hodgdon Hybrid 100V
<<locked>>
81%
41379
62%
**10
100%
Hodgdon LVR
<<locked>>
81%
48385
73%
**84
100%
[Hodgdon Retumbo]*
<<locked>>
89%
29994
45%
**61
90%
Hodgdon Superperformance
<<locked>>
81%
47906
72%
**94
98%
Hodgdon VARGET
<<locked>>
81%
53896
81%
**27
100%
Hodgdon TrailBoss
<<locked>>
81%
27891
42%
**96
100%
IMR 4064
<<locked>>
81%
53272
80%
**14
100%
IMR 4166 Enduron
<<locked>>
81%
51721
78%
**87
99%
IMR 4350
<<locked>>
81%
44309
66%
**56
97%
IMR 4451 Enduron
<<locked>>
81%
50401
76%
**71
99%
IMR 4831
<<locked>>
81%
39233
59%
**64
98%
[IMR 4955 Enduron]*
<<locked>>
81%
35969
54%
**56
90%
[IMR 7828 SSC]*
<<locked>>
82%
35781
54%
**25
90%
Lovex S065
<<locked>>
81%
47732
72%
**12
99%
Lovex S070
<<locked>>
81%
45803
69%
**86
98%
[Lovex S071]*
<<locked>>
81%
28616
43%
**69
92%
Norma 204
<<locked>>
81%
44208
66%
**92
96%
[Norma 217]*
<<locked>>
94%
30647
46%
**13
90%
[Norma MRP]*
<<locked>>
81%
35476
53%
**48
94%
Norma URP
<<locked>>
81%
44860
67%
**09
99%
Ramshot Hunter
<<locked>>
81%
43990
66%
**95
98%
[Ramshot Magnum]*
<<locked>>
81%
31343
47%
**84
91%
ReloadSwiss RS 14
<<locked>>
81%
28471
43%
**42
100%
ReloadSwiss RS 60
<<locked>>
81%
49588
74%
**76
100%
ReloadSwiss RS 62
<<locked>>
81%
46035
69%
**41
99%
ReloadSwiss RS 70
<<locked>>
81%
44411
67%
**61
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30530
46%
**03
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
38232
57%
**13
90%
Rottweil R 903
<<locked>>
81%
52895
79%
**17
100%
[Rottweil R 904]*
<<locked>>
81%
39755
60%
**58
93%
[Rottweil R 905]*
<<locked>>
81%
37478
56%
**48
93%
Rottweil R 907
<<locked>>
81%
48762
73%
**41
98%
SNPE Vectan SP 11
<<locked>>
81%
54636
82%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
53171
80%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46688
70%
**56
98%
Shooters World Long Rifle
<<locked>>
81%
47732
72%
**12
99%
Somchem S355
<<locked>>
81%
52939
79%
**20
100%
[Somchem S361]*
<<locked>>
81%
40611
61%
**44
92%
Somchem S365
<<locked>>
81%
41858
63%
**63
100%
Somchem S385
<<locked>>
81%
38000
57%
**31
95%
Vihtavuori N135
<<locked>>
81%
50966
76%
**05
100%
Vihtavuori N150
<<locked>>
81%
45121
68%
**33
100%
Vihtavuori N160
<<locked>>
81%
48501
73%
**41
100%
[Vihtavuori N165]*
<<locked>>
81%
31633
47%
**48
91%
Vihtavuori N550
<<locked>>
81%
49255
74%
**00
100%
Vihtavuori N555
<<locked>>
81%
36230
54%
**35
98%
[Vihtavuori N560]*
<<locked>>
83%
36941
55%
**74
90%
[Vihtavuori N565]*
<<locked>>
87%
35679
53%
**08
90%
[Vihtavuori N568]*
<<locked>>
94%
40059
60%
**46
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46021
69%
**69
100%
Winchester 760
<<locked>>
81%
52054
78%
**56
99%
Winchester StaBALL HD
<<locked>>
81%
27891
42%
**20
97%

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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