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Load data for 6mm-284 + .243 | 70gr | Osprey Virtus

Recommended Powder(s): Alliant Reloder-16, Hodgdon Hybrid 100V, Norma URP, Ramshot Hunter, ReloadSwiss RS 70

6mm-284 + .243 | 70gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 70gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.243-70
Bullet Weight:
70gr | 4.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
0.910" | 23.1mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.220" | -5.6mm
Shank Seated Depth:
-0.295" | -7.5mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B10743_C958
Last updated:
2025-12-16
Recommended Twist Rate:
1:11 - 1:9

Load data for 140 loads in caliber 6mm-284 with .243 | 70gr | Osprey Virtus bullet and 70 powders such as Alliant Reloder-16, Hodgdon Hybrid 100V, Norma URP, Ramshot Hunter, ReloadSwiss RS 70. 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 2208
<<locked>>
84%
55187
89%
**50
100%
ADI AR 2209
<<locked>>
94%
55187
89%
**09
96%
ADI AR 2213
<<locked>>
97%
54549
88%
**19
95%
Accurate 2700
<<locked>>
85%
55288
89%
**91
97%
Accurate 3100
<<locked>>
97%
53156
86%
**01
98%
Accurate 4350
<<locked>>
89%
55709
90%
**12
100%
[Accurate MAGPRO]*
<<locked>>
97%
53258
86%
**79
92%
Alliant Reloder- TS 15.5
<<locked>>
83%
55419
89%
**70
100%
Alliant Reloder-16 👍
<<locked>>
90%
55303
89%
**48
100%
Alliant Reloder-17
<<locked>>
86%
55767
90%
**65
100%
Alliant Reloder-19
<<locked>>
94%
54911
88%
**89
96%
Alliant Reloder-22
<<locked>>
97%
53969
87%
**02
96%
Alliant Reloder-23
<<locked>>
97%
50473
81%
**27
100%
Alliant Reloder-25
<<locked>>
97%
44077
71%
**19
97%
Alliant Reloder-26
<<locked>>
95%
55230
89%
**91
100%
Bofors RP15
<<locked>>
97%
49530
80%
**07
95%
Bofors RP5
<<locked>>
97%
53969
87%
**02
96%
Bofors RP7
<<locked>>
87%
55158
89%
**43
97%
Hodgdon H414
<<locked>>
85%
54998
89%
**99
98%
Hodgdon H4350
<<locked>>
92%
55042
89%
**50
97%
[Hodgdon H4831]*
<<locked>>
97%
50009
81%
**65
93%
Hodgdon H4831 SC
<<locked>>
96%
55550
89%
**79
95%
Hodgdon Hybrid 100V 👍
<<locked>>
92%
55651
90%
**76
100%
Hodgdon LVR
<<locked>>
87%
55042
89%
**93
99%
Hodgdon Superperformance
<<locked>>
87%
55303
89%
**29
98%
Hodgdon VARGET
<<locked>>
84%
55492
89%
**66
100%
Hodgdon TrailBoss
<<locked>>
96%
34330
55%
**43
100%
IMR 4064
<<locked>>
84%
54998
89%
**47
100%
IMR 4166 Enduron
<<locked>>
85%
55550
89%
**37
98%
IMR 4350
<<locked>>
90%
55492
89%
**53
98%
IMR 4451 Enduron
<<locked>>
87%
55825
90%
**63
98%
IMR 4831
<<locked>>
94%
55419
89%
**73
100%
IMR 4955 Enduron
<<locked>>
97%
55361
89%
**33
95%
IMR 7828 SSC
<<locked>>
96%
55013
89%
**38
95%
Lovex S065
<<locked>>
88%
55332
89%
**37
99%
Lovex S070
<<locked>>
89%
55738
90%
**70
98%
Lovex S071
<<locked>>
97%
44715
72%
**20
96%
Norma 204
<<locked>>
90%
55840
90%
**02
97%
Norma MRP
<<locked>>
96%
55347
89%
**65
98%
Norma URP 👍
<<locked>>
90%
55811
90%
**15
100%
Ramshot Grand
<<locked>>
95%
55840
90%
**68
96%
Ramshot Hunter 👍
<<locked>>
90%
55811
90%
**12
99%
Ramshot Magnum
<<locked>>
97%
52939
85%
**60
97%
ReloadSwiss RS 14
<<locked>>
96%
34983
56%
**95
100%
ReloadSwiss RS 60
<<locked>>
84%
55579
90%
**61
100%
ReloadSwiss RS 62
<<locked>>
89%
55477
89%
**19
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
55550
89%
**68
100%
ReloadSwiss RS 76
<<locked>>
97%
43352
70%
**15
95%
Rottweil R 903
<<locked>>
85%
55317
89%
**50
100%
Rottweil R 904
<<locked>>
93%
55071
89%
**43
95%
Rottweil R 905
<<locked>>
95%
55492
89%
**15
97%
Rottweil R 907
<<locked>>
87%
55158
89%
**43
97%
SNPE Vectan SP 11
<<locked>>
84%
55347
89%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
55100
89%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
55434
89%
**01
98%
Shooters World Long Rifle
<<locked>>
88%
55332
89%
**37
99%
Somchem S355
<<locked>>
85%
55143
89%
**63
100%
[Somchem S361]*
<<locked>>
92%
55042
89%
**88
94%
Somchem S365
<<locked>>
92%
55419
89%
**06
100%
Somchem S385
<<locked>>
95%
55608
90%
**66
98%
Vihtavuori N135
<<locked>>
86%
55419
89%
**78
100%
Vihtavuori N150
<<locked>>
90%
55622
90%
**10
100%
Vihtavuori N160
<<locked>>
87%
55637
90%
**60
100%
Vihtavuori N165
<<locked>>
97%
50125
81%
**38
96%
Vihtavuori N550
<<locked>>
87%
55172
89%
**06
100%
Vihtavuori N555
<<locked>>
96%
55390
89%
**25
100%
[Vihtavuori N560]*
<<locked>>
97%
54157
87%
**32
94%
Winchester 6.5 StaBALL
<<locked>>
89%
55695
90%
**30
100%
Winchester 760
<<locked>>
85%
54998
89%
**99
98%
Winchester StaBALL HD
<<locked>>
97%
46702
75%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50270
81%
**51
99%
[ADI AR 2209]*
<<locked>>
83%
37971
61%
**92
90%
[ADI AR 2213]*
<<locked>>
90%
42090
68%
**30
90%
Accurate 2700
<<locked>>
81%
48820
79%
**53
96%
[Accurate 3100]*
<<locked>>
82%
31096
50%
**46
90%
Accurate 4350
<<locked>>
81%
41133
66%
**87
97%
[Accurate MAGPRO]*
<<locked>>
94%
47601
77%
**71
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51198
82%
**88
100%
Alliant Reloder-16
<<locked>>
81%
39813
64%
**10
97%
Alliant Reloder-17
<<locked>>
81%
46528
75%
**84
100%
[Alliant Reloder-19]*
<<locked>>
83%
37565
61%
**89
90%
[Alliant Reloder-22]*
<<locked>>
87%
37666
61%
**12
90%
[Alliant Reloder-23]*
<<locked>>
81%
29167
47%
**59
94%
[Alliant Reloder-25]*
<<locked>>
87%
31009
50%
**18
90%
[Alliant Reloder-26]*
<<locked>>
81%
31850
51%
**84
92%
[Bofors RP15]*
<<locked>>
89%
38072
61%
**19
90%
[Bofors RP5]*
<<locked>>
87%
37666
61%
**12
90%
Bofors RP7
<<locked>>
81%
45020
73%
**30
95%
Hodgdon H414
<<locked>>
81%
47776
77%
**51
96%
[Hodgdon H4350]*
<<locked>>
81%
38624
62%
**69
92%
[Hodgdon H4831]*
<<locked>>
93%
43874
71%
**23
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
43395
70%
**14
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37304
60%
**73
98%
Hodgdon LVR
<<locked>>
81%
43947
71%
**60
97%
Hodgdon Superperformance
<<locked>>
81%
43294
70%
**69
95%
Hodgdon VARGET
<<locked>>
81%
49966
80%
**51
99%
Hodgdon TrailBoss
<<locked>>
81%
27398
44%
**59
100%
IMR 4064
<<locked>>
81%
49211
79%
**32
99%
IMR 4166 Enduron
<<locked>>
81%
48486
78%
**02
97%
[IMR 4350]*
<<locked>>
81%
40756
66%
**35
93%
IMR 4451 Enduron
<<locked>>
81%
46586
75%
**63
96%
IMR 4831
<<locked>>
81%
35694
57%
**17
95%
[IMR 4955 Enduron]*
<<locked>>
88%
41916
68%
**48
90%
[IMR 7828 SSC]*
<<locked>>
89%
42424
68%
**50
90%
Lovex S065
<<locked>>
81%
43888
71%
**94
97%
Lovex S070
<<locked>>
81%
42119
68%
**71
95%
[Lovex S071]*
<<locked>>
87%
31270
50%
**53
90%
[Norma 204]*
<<locked>>
81%
40451
65%
**45
91%
[Norma MRP]*
<<locked>>
83%
34185
55%
**43
90%
Norma URP
<<locked>>
81%
41046
66%
**94
97%
[Ramshot Grand]*
<<locked>>
87%
41104
66%
**17
90%
Ramshot Hunter
<<locked>>
81%
40001
64%
**61
95%
[Ramshot Magnum]*
<<locked>>
87%
36172
58%
**33
90%
ReloadSwiss RS 14
<<locked>>
81%
28036
45%
**18
100%
ReloadSwiss RS 60
<<locked>>
81%
49400
80%
**50
100%
ReloadSwiss RS 62
<<locked>>
81%
41408
67%
**14
97%
ReloadSwiss RS 70
<<locked>>
81%
40089
65%
**20
96%
[ReloadSwiss RS 76]*
<<locked>>
92%
36216
58%
**05
91%
Rottweil R 903
<<locked>>
81%
48776
79%
**28
100%
[Rottweil R 904]*
<<locked>>
84%
40756
66%
**25
90%
[Rottweil R 905]*
<<locked>>
83%
36782
59%
**66
90%
Rottweil R 907
<<locked>>
81%
45020
73%
**30
95%
SNPE Vectan SP 11
<<locked>>
81%
50314
81%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49313
79%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42975
69%
**19
95%
Shooters World Long Rifle
<<locked>>
81%
43888
71%
**94
97%
Somchem S355
<<locked>>
81%
48646
78%
**32
100%
[Somchem S361]*
<<locked>>
85%
42583
69%
**28
90%
Somchem S365
<<locked>>
81%
37507
60%
**28
99%
[Somchem S385]*
<<locked>>
81%
34389
55%
**61
90%
Vihtavuori N135
<<locked>>
81%
47123
76%
**40
100%
Vihtavuori N150
<<locked>>
81%
41698
67%
**32
100%
Vihtavuori N160
<<locked>>
81%
44440
72%
**37
98%
[Vihtavuori N165]*
<<locked>>
87%
35520
57%
**74
90%
Vihtavuori N550
<<locked>>
81%
44991
72%
**83
98%
[Vihtavuori N555]*
<<locked>>
81%
32561
52%
**68
94%
[Vihtavuori N560]*
<<locked>>
90%
43076
69%
**79
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42018
68%
**58
99%
Winchester 760
<<locked>>
81%
47776
77%
**51
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23453
38%
**71
90%

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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