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Load data for 6mm-284 + .243 | 77gr | Hasler ARIETE

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Norma MRP, ReloadSwiss RS 70, Vihtavuori N555

6mm-284 + .243 | 77gr | Hasler ARIETE

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 77gr | Hasler ARIETE
Manufacturer SKU:
A6-77
Bullet Weight:
77gr | 5.0g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
<<locked>>
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B7051_C958
Last updated:
2026-05-05
Recommended Twist Rate:
1:9 - 1:8

Load data for 144 loads in caliber 6mm-284 with .243 | 77gr | Hasler ARIETE bullet and 72 powders such as Alliant Reloder-23, Alliant Reloder-26, Norma MRP, ReloadSwiss RS 70, Vihtavuori N555. 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>>
93%
55071
89%
**01
97%
ADI AR 2213
<<locked>>
96%
55622
90%
**37
96%
[ADI AR 2225]*
<<locked>>
97%
36448
59%
**94
93%
Accurate 2700
<<locked>>
84%
55535
89%
**86
98%
Accurate 3100
<<locked>>
97%
55753
90%
**42
99%
Accurate 4350
<<locked>>
88%
55187
89%
**74
100%
[Accurate MAGPRO]*
<<locked>>
96%
55187
89%
**20
94%
Alliant Reloder-16
<<locked>>
89%
55463
89%
**40
100%
Alliant Reloder-17
<<locked>>
84%
55230
89%
**17
100%
Alliant Reloder-19
<<locked>>
93%
55448
89%
**94
97%
Alliant Reloder-22
<<locked>>
96%
55201
89%
**20
97%
Alliant Reloder-23 👍
<<locked>>
97%
53447
86%
**78
100%
Alliant Reloder-25
<<locked>>
97%
45963
74%
**69
99%
Alliant Reloder-26 👍
<<locked>>
94%
55463
89%
**83
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
55085
89%
**25
93%
Bofors RP15
<<locked>>
97%
51343
83%
**45
96%
[Bofors RP30]*
<<locked>>
97%
41800
67%
**38
92%
Bofors RP5
<<locked>>
96%
55201
89%
**20
97%
Bofors RP7
<<locked>>
86%
55390
89%
**28
98%
[Hodgdon H1000]*
<<locked>>
97%
42003
68%
**05
92%
Hodgdon H414
<<locked>>
84%
55288
89%
**04
99%
Hodgdon H4350
<<locked>>
88%
55796
90%
**74
98%
[Hodgdon H4831]*
<<locked>>
97%
51663
83%
**96
94%
Hodgdon H4831 SC
<<locked>>
95%
55724
90%
**68
95%
Hodgdon Hybrid 100V
<<locked>>
91%
55434
89%
**48
100%
Hodgdon LVR
<<locked>>
86%
55245
89%
**84
100%
Hodgdon Retumbo
<<locked>>
97%
45034
73%
**83
95%
Hodgdon Superperformance
<<locked>>
86%
55056
89%
**10
98%
Hodgdon TrailBoss
<<locked>>
97%
34896
56%
**51
100%
IMR 4064
<<locked>>
84%
55463
89%
**32
100%
IMR 4166 Enduron
<<locked>>
84%
55506
89%
**28
99%
IMR 4350
<<locked>>
89%
55230
89%
**35
98%
IMR 4451 Enduron
<<locked>>
85%
55651
90%
**48
99%
IMR 4831
<<locked>>
93%
55187
89%
**48
100%
IMR 4955 Enduron
<<locked>>
95%
55042
89%
**25
96%
IMR 7828 SSC
<<locked>>
95%
55419
89%
**37
96%
Lovex S065
<<locked>>
87%
55767
90%
**25
99%
Lovex S070
<<locked>>
88%
55535
89%
**45
99%
Lovex S071
<<locked>>
97%
46731
75%
**74
98%
Norma 204
<<locked>>
89%
55753
90%
**74
97%
Norma MRP 👍
<<locked>>
95%
55825
90%
**56
99%
Norma URP
<<locked>>
89%
55637
90%
**91
100%
Ramshot Grand
<<locked>>
93%
55317
89%
**40
97%
Ramshot Hunter
<<locked>>
89%
54969
89%
**81
99%
Ramshot Magnum
<<locked>>
97%
55071
89%
**84
98%
ReloadSwiss RS 14
<<locked>>
96%
35346
57%
**93
100%
ReloadSwiss RS 60
<<locked>>
83%
55854
90%
**47
100%
ReloadSwiss RS 62
<<locked>>
88%
55535
89%
**88
100%
ReloadSwiss RS 70 👍
<<locked>>
89%
55564
90%
**60
100%
ReloadSwiss RS 76
<<locked>>
97%
45426
73%
**86
97%
Rottweil R 903
<<locked>>
84%
55782
90%
**45
100%
Rottweil R 904
<<locked>>
93%
55695
90%
**55
96%
Rottweil R 905
<<locked>>
94%
55579
90%
**91
98%
Rottweil R 907
<<locked>>
86%
55390
89%
**28
98%
SNPE Vectan Tubal 5000
<<locked>>
84%
55477
89%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
55811
90%
**79
99%
Shooters World Long Rifle
<<locked>>
87%
55767
90%
**25
99%
Somchem S355
<<locked>>
84%
55492
89%
**38
100%
Somchem S361
<<locked>>
91%
55230
89%
**99
96%
Somchem S365
<<locked>>
91%
55579
90%
**84
100%
Somchem S385
<<locked>>
94%
55593
90%
**61
98%
Vihtavuori N150
<<locked>>
85%
55085
89%
**79
100%
Vihtavuori N160
<<locked>>
88%
55811
90%
**55
100%
Vihtavuori N165
<<locked>>
97%
53795
87%
**92
98%
Vihtavuori N550
<<locked>>
88%
55492
89%
**51
100%
Vihtavuori N555 👍
<<locked>>
95%
55695
90%
**97
100%
Vihtavuori N560
<<locked>>
95%
55738
90%
**47
96%
[Vihtavuori N565]*
<<locked>>
97%
47776
77%
**50
94%
Winchester 6.5 StaBALL
<<locked>>
88%
55811
90%
**06
100%
Winchester 760
<<locked>>
84%
55288
89%
**04
99%
Winchester StaBALL HD
<<locked>>
97%
49632
80%
**24
100%
Winchester Supreme 780
<<locked>>
93%
55724
90%
**51
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
36492
59%
**51
91%
[ADI AR 2213]*
<<locked>>
87%
39972
64%
**66
90%
[ADI AR 2225]*
<<locked>>
94%
33112
53%
**86
90%
Accurate 2700
<<locked>>
81%
50618
82%
**78
97%
[Accurate 3100]*
<<locked>>
81%
31807
51%
**77
92%
Accurate 4350
<<locked>>
81%
43453
70%
**28
98%
[Accurate MAGPRO]*
<<locked>>
91%
44425
72%
**78
90%
Alliant Reloder-16
<<locked>>
81%
41771
67%
**35
98%
Alliant Reloder-17
<<locked>>
81%
48298
78%
**02
100%
[Alliant Reloder-19]*
<<locked>>
81%
36361
59%
**51
91%
[Alliant Reloder-22]*
<<locked>>
84%
35201
57%
**51
90%
Alliant Reloder-23
<<locked>>
81%
30545
49%
**17
96%
[Alliant Reloder-25]*
<<locked>>
84%
29472
47%
**64
90%
[Alliant Reloder-26]*
<<locked>>
81%
33373
54%
**48
94%
[Baschieri & Pellagri 109]*
<<locked>>
93%
48385
78%
**71
90%
[Bofors RP15]*
<<locked>>
86%
35650
57%
**51
90%
[Bofors RP30]*
<<locked>>
93%
37144
60%
**20
90%
[Bofors RP5]*
<<locked>>
84%
35201
57%
**51
90%
Bofors RP7
<<locked>>
81%
46615
75%
**45
96%
[Hodgdon H1000]*
<<locked>>
94%
38043
61%
**87
90%
Hodgdon H414
<<locked>>
81%
49400
80%
**76
98%
Hodgdon H4350
<<locked>>
81%
44019
71%
**22
95%
[Hodgdon H4831]*
<<locked>>
90%
40915
66%
**46
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
40538
65%
**40
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38957
63%
**07
99%
Hodgdon LVR
<<locked>>
81%
46122
74%
**04
98%
[Hodgdon Retumbo]*
<<locked>>
91%
36434
59%
**30
90%
Hodgdon Superperformance
<<locked>>
81%
45136
73%
**01
96%
Hodgdon TrailBoss
<<locked>>
81%
27760
45%
**67
100%
IMR 4064
<<locked>>
81%
51198
82%
**46
100%
IMR 4166 Enduron
<<locked>>
81%
49850
80%
**17
98%
IMR 4350
<<locked>>
81%
42279
68%
**56
95%
IMR 4451 Enduron
<<locked>>
81%
48501
78%
**94
97%
IMR 4831
<<locked>>
81%
37318
60%
**58
97%
[IMR 4955 Enduron]*
<<locked>>
85%
39653
64%
**74
90%
[IMR 7828 SSC]*
<<locked>>
86%
39624
64%
**73
90%
Lovex S065
<<locked>>
81%
45368
73%
**22
98%
Lovex S070
<<locked>>
81%
43874
71%
**96
96%
[Lovex S071]*
<<locked>>
83%
28935
47%
**92
90%
[Norma 204]*
<<locked>>
81%
42221
68%
**82
93%
[Norma MRP]*
<<locked>>
81%
33605
54%
**22
91%
Norma URP
<<locked>>
81%
42743
69%
**15
98%
[Ramshot Grand]*
<<locked>>
85%
39117
63%
**56
90%
Ramshot Hunter
<<locked>>
81%
41814
67%
**99
96%
[Ramshot Magnum]*
<<locked>>
84%
33779
54%
**69
90%
ReloadSwiss RS 14
<<locked>>
81%
28239
45%
**16
100%
ReloadSwiss RS 60
<<locked>>
81%
51271
83%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
43482
70%
**55
98%
ReloadSwiss RS 70
<<locked>>
81%
42047
68%
**48
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
33750
54%
**35
90%
Rottweil R 903
<<locked>>
81%
50618
82%
**50
100%
[Rottweil R 904]*
<<locked>>
81%
37898
61%
**45
90%
[Rottweil R 905]*
<<locked>>
81%
35317
57%
**15
90%
Rottweil R 907
<<locked>>
81%
46615
75%
**45
96%
SNPE Vectan Tubal 5000
<<locked>>
81%
51213
82%
**32
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44396
72%
**53
96%
Shooters World Long Rifle
<<locked>>
81%
45368
73%
**22
98%
Somchem S355
<<locked>>
81%
50531
81%
**40
100%
[Somchem S361]*
<<locked>>
82%
40524
65%
**71
90%
Somchem S365
<<locked>>
81%
39378
63%
**69
100%
[Somchem S385]*
<<locked>>
81%
35926
58%
**02
92%
Vihtavuori N150
<<locked>>
81%
48414
78%
**51
100%
Vihtavuori N160
<<locked>>
81%
44440
72%
**35
99%
[Vihtavuori N165]*
<<locked>>
83%
33199
53%
**13
90%
Vihtavuori N550
<<locked>>
81%
43656
70%
**19
98%
Vihtavuori N555
<<locked>>
81%
34156
55%
**18
96%
[Vihtavuori N560]*
<<locked>>
86%
40712
66%
**12
90%
[Vihtavuori N565]*
<<locked>>
92%
39813
64%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43758
70%
**86
100%
Winchester 760
<<locked>>
81%
49400
80%
**76
98%
[Winchester StaBALL HD]*
<<locked>>
81%
25454
41%
**54
94%
[Winchester Supreme 780]*
<<locked>>
81%
35984
58%
**02
91%

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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