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Load data for .280 Ackley Improved + .284 | 139gr | Hasler ARIETE

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, SNPE Vectan SP 11, Vihtavuori N550

.280 Ackley Improved + .284 | 139gr | Hasler ARIETE

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | Hasler ARIETE
Manufacturer SKU:
A7-139
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.433" | 36.4mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.693" | 17.6mm
Shank Seated Depth:
0.522" | 13.3mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B7063_C285
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:7

Load data for 198 loads in caliber .280 Ackley Improved with .284 | 139gr | Hasler ARIETE bullet and 99 powders such as Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, SNPE Vectan SP 11, Vihtavuori N550. 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".

  • No data yet

  • .

    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 2206H
<<locked>>
86%
57508
89%
**72
100%
ADI AR 2208
<<locked>>
92%
58218
90%
**59
100%
[ADI AR 2209]*
<<locked>>
97%
46789
72%
**44
94%
Accurate 2015
<<locked>>
83%
57899
89%
**58
100%
Accurate 2200
<<locked>>
85%
58146
89%
**49
100%
Accurate 2495
<<locked>>
86%
58247
90%
**20
100%
Accurate 2520
<<locked>>
84%
57334
88%
**40
100%
Accurate 2700
<<locked>>
93%
58291
90%
**13
98%
Accurate 3100
<<locked>>
97%
38725
60%
**71
95%
Accurate 4064
<<locked>>
91%
58247
90%
**49
100%
Accurate 4350
<<locked>>
97%
54882
84%
**89
100%
Alliant AR-Comp
<<locked>>
84%
57595
89%
**87
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
57986
89%
**82
100%
Alliant Reloder-15
<<locked>>
90%
57943
89%
**89
100%
Alliant Reloder-16
<<locked>>
97%
52692
81%
**92
100%
Alliant Reloder-17 👍
<<locked>>
95%
57667
89%
**77
100%
Alliant Reloder-19
<<locked>>
97%
45876
71%
**35
95%
[Alliant Reloder-22]*
<<locked>>
97%
39436
61%
**43
92%
Alliant Reloder-23
<<locked>>
97%
37086
57%
**00
98%
[Alliant Reloder-25]*
<<locked>>
97%
32822
51%
**89
93%
Alliant Reloder-26
<<locked>>
97%
41539
64%
**67
98%
Baschieri & Pellagri 107
<<locked>>
86%
57928
89%
**92
100%
Hodgdon BL-C2
<<locked>>
84%
57363
88%
**79
100%
Hodgdon Benchmark
<<locked>>
84%
57740
89%
**90
100%
Hodgdon CFE223 👍
<<locked>>
90%
58131
89%
**31
100%
Hodgdon H322
<<locked>>
83%
58131
89%
**17
100%
Hodgdon H380
<<locked>>
91%
57609
89%
**82
100%
Hodgdon H414
<<locked>>
94%
57943
89%
**48
99%
Hodgdon H4350
<<locked>>
97%
50560
78%
**58
97%
Hodgdon Hybrid 100V
<<locked>>
97%
49124
76%
**58
100%
Hodgdon LVR 👍
<<locked>>
96%
58030
89%
**22
100%
Hodgdon Superperformance
<<locked>>
96%
58059
89%
**74
98%
Hodgdon VARGET
<<locked>>
92%
57696
89%
**56
100%
Hodgdon TrailBoss
<<locked>>
97%
33953
52%
**75
100%
IMR 3031
<<locked>>
89%
57972
89%
**53
100%
IMR 4064
<<locked>>
93%
58276
90%
**53
100%
IMR 4166 Enduron
<<locked>>
93%
58204
90%
**43
99%
IMR 4350
<<locked>>
97%
54172
83%
**23
98%
IMR 4451 Enduron
<<locked>>
94%
58160
90%
**66
99%
IMR 4831
<<locked>>
97%
45527
70%
**15
99%
IMR 4895
<<locked>>
89%
57435
88%
**95
100%
IMR 8208 XBR
<<locked>>
85%
58204
90%
**43
100%
Lovex D073.6
<<locked>>
87%
57885
89%
**46
100%
Lovex S060
<<locked>>
87%
57841
89%
**10
100%
Lovex S062
<<locked>>
91%
58392
90%
**46
100%
Lovex S065
<<locked>>
97%
57754
89%
**59
99%
Lovex S070
<<locked>>
97%
55811
86%
**49
98%
[Lovex S071]*
<<locked>>
97%
31589
49%
**03
92%
Norma 201
<<locked>>
87%
57914
89%
**40
100%
Norma 202
<<locked>>
87%
58030
89%
**30
100%
Norma 203B
<<locked>>
90%
58233
90%
**99
100%
Norma 204
<<locked>>
97%
54911
85%
**76
97%
Norma MRP
<<locked>>
97%
41539
64%
**18
95%
Norma URP
<<locked>>
97%
54259
83%
**79
100%
Ramshot Big Game
<<locked>>
90%
58247
90%
**15
100%
Ramshot Hunter
<<locked>>
97%
53214
82%
**69
99%
Ramshot TAC
<<locked>>
85%
58175
90%
**59
100%
Ramshot Wild Boar
<<locked>>
85%
57914
89%
**76
100%
ReloadSwiss RS 14
<<locked>>
96%
34229
53%
**14
100%
ReloadSwiss RS 50
<<locked>>
91%
57798
89%
**63
99%
ReloadSwiss RS 52
<<locked>>
90%
57783
89%
**05
100%
ReloadSwiss RS 60
<<locked>>
96%
57653
89%
**07
100%
ReloadSwiss RS 62
<<locked>>
97%
54244
83%
**02
100%
ReloadSwiss RS 70
<<locked>>
97%
53635
83%
**25
99%
Rottweil R 901
<<locked>>
85%
57928
89%
**04
100%
Rottweil R 902
<<locked>>
89%
58073
89%
**27
100%
Rottweil R 903
<<locked>>
94%
58189
90%
**82
100%
[Rottweil R 904]*
<<locked>>
96%
47688
73%
**15
94%
[Rottweil R 905]*
<<locked>>
97%
44338
68%
**12
94%
Rottweil R 907
<<locked>>
96%
58189
90%
**66
98%
SNPE Vectan SP 11 👍
<<locked>>
92%
58030
89%
**12
100%
SNPE Vectan SP 7
<<locked>>
86%
58291
90%
**59
100%
SNPE Vectan SP 9
<<locked>>
87%
57696
89%
**63
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
57957
89%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
57870
89%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
58334
90%
**23
99%
Shooters World Long Rifle
<<locked>>
97%
57754
89%
**59
99%
Shooters World Match Rifle
<<locked>>
87%
57885
89%
**46
100%
Shooters World Precision
<<locked>>
91%
58392
90%
**46
100%
Somchem S335
<<locked>>
87%
57798
89%
**54
100%
Somchem S341
<<locked>>
86%
58044
89%
**46
100%
Somchem S355
<<locked>>
93%
57914
89%
**69
100%
[Somchem S361]*
<<locked>>
97%
49226
76%
**05
93%
Somchem S365
<<locked>>
97%
48863
75%
**17
100%
Somchem S385
<<locked>>
97%
44628
69%
**89
95%
Vihtavuori N130
<<locked>>
83%
57595
89%
**15
100%
Vihtavuori N133
<<locked>>
89%
57725
89%
**31
100%
Vihtavuori N135
<<locked>>
95%
58204
90%
**90
100%
Vihtavuori N140
<<locked>>
89%
58015
89%
**00
100%
Vihtavuori N150
<<locked>>
97%
54360
84%
**81
100%
Vihtavuori N160
<<locked>>
96%
57885
89%
**82
100%
[Vihtavuori N165]*
<<locked>>
97%
37347
57%
**12
92%
Vihtavuori N530
<<locked>>
84%
58276
90%
**53
100%
Vihtavuori N540
<<locked>>
89%
58117
89%
**33
100%
Vihtavuori N550 👍
<<locked>>
96%
57841
89%
**35
100%
Vihtavuori N555
<<locked>>
97%
40828
63%
**76
98%
Winchester 6.5 StaBALL
<<locked>>
97%
56811
87%
**46
100%
Winchester 760
<<locked>>
94%
57943
89%
**48
99%
Winchester StaBALL HD
<<locked>>
97%
33112
51%
**00
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48341
74%
**25
100%
ADI AR 2208
<<locked>>
81%
41046
63%
**64
98%
[ADI AR 2209]*
<<locked>>
90%
36390
56%
**08
90%
Accurate 2015
<<locked>>
81%
53998
83%
**99
100%
Accurate 2200
<<locked>>
81%
50473
78%
**25
99%
Accurate 2495
<<locked>>
81%
49124
76%
**95
100%
Accurate 2520
<<locked>>
81%
50546
78%
**41
100%
[Accurate 2700]*
<<locked>>
81%
39015
60%
**66
93%
[Accurate 3100]*
<<locked>>
88%
27760
43%
**95
90%
Accurate 4064
<<locked>>
81%
41321
64%
**80
100%
[Accurate 4350]*
<<locked>>
81%
30560
47%
**93
94%
Alliant AR-Comp
<<locked>>
81%
51561
79%
**02
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
40582
62%
**80
99%
Alliant Reloder-15
<<locked>>
81%
43729
67%
**56
99%
Alliant Reloder-16
<<locked>>
81%
31372
48%
**26
95%
Alliant Reloder-17
<<locked>>
81%
35230
54%
**54
98%
[Alliant Reloder-19]*
<<locked>>
89%
35273
54%
**95
90%
[Alliant Reloder-22]*
<<locked>>
94%
35360
54%
**38
90%
[Alliant Reloder-23]*
<<locked>>
82%
22858
35%
**60
90%
[Alliant Reloder-25]*
<<locked>>
94%
29486
45%
**84
90%
[Alliant Reloder-26]*
<<locked>>
86%
27325
42%
**64
90%
Baschieri & Pellagri 107
<<locked>>
81%
47964
74%
**28
99%
Hodgdon BL-C2
<<locked>>
81%
50850
78%
**81
100%
Hodgdon Benchmark
<<locked>>
81%
52214
80%
**08
100%
Hodgdon CFE223
<<locked>>
81%
42409
65%
**59
98%
Hodgdon H322
<<locked>>
81%
54128
83%
**67
100%
Hodgdon H380
<<locked>>
81%
40930
63%
**87
97%
[Hodgdon H414]*
<<locked>>
81%
36361
56%
**31
93%
[Hodgdon H4350]*
<<locked>>
83%
32561
50%
**74
90%
Hodgdon Hybrid 100V
<<locked>>
81%
28558
44%
**18
95%
Hodgdon LVR
<<locked>>
81%
34200
53%
**72
95%
[Hodgdon Superperformance]*
<<locked>>
81%
32605
50%
**52
90%
Hodgdon VARGET
<<locked>>
81%
40669
63%
**57
98%
Hodgdon TrailBoss
<<locked>>
84%
28152
43%
**54
100%
IMR 3031
<<locked>>
81%
44599
69%
**53
100%
IMR 4064
<<locked>>
81%
40118
62%
**38
98%
IMR 4166 Enduron
<<locked>>
81%
39871
61%
**05
95%
[IMR 4350]*
<<locked>>
81%
31908
49%
**64
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37782
58%
**85
94%
[IMR 4831]*
<<locked>>
81%
26905
41%
**69
92%
IMR 4895
<<locked>>
81%
44889
69%
**85
99%
IMR 8208 XBR
<<locked>>
81%
50807
78%
**31
100%
Lovex D073.6
<<locked>>
81%
47572
73%
**92
100%
Lovex S060
<<locked>>
81%
47921
74%
**46
100%
Lovex S062
<<locked>>
81%
42583
66%
**90
100%
[Lovex S065]*
<<locked>>
81%
34838
54%
**20
94%
[Lovex S070]*
<<locked>>
81%
32779
50%
**87
92%
[Lovex S071]*
<<locked>>
93%
28036
43%
**05
90%
Norma 201
<<locked>>
81%
46760
72%
**62
100%
Norma 202
<<locked>>
81%
47674
73%
**76
100%
Norma 203B
<<locked>>
81%
43091
66%
**43
99%
[Norma 204]*
<<locked>>
85%
36230
56%
**98
90%
[Norma MRP]*
<<locked>>
90%
32169
50%
**82
90%
[Norma URP]*
<<locked>>
81%
31125
48%
**00
94%
Ramshot Big Game
<<locked>>
81%
43105
66%
**56
99%
[Ramshot Hunter]*
<<locked>>
81%
30560
47%
**87
91%
Ramshot TAC
<<locked>>
81%
50836
78%
**44
99%
Ramshot Wild Boar
<<locked>>
81%
50589
78%
**61
100%
ReloadSwiss RS 14
<<locked>>
81%
27093
42%
**60
100%
ReloadSwiss RS 50
<<locked>>
81%
41524
64%
**74
96%
ReloadSwiss RS 52
<<locked>>
81%
42264
65%
**56
100%
ReloadSwiss RS 60
<<locked>>
81%
34200
53%
**48
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
30472
47%
**10
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
30821
47%
**16
92%
Rottweil R 901
<<locked>>
81%
50430
78%
**92
100%
Rottweil R 902
<<locked>>
81%
44585
69%
**17
100%
Rottweil R 903
<<locked>>
81%
37405
58%
**25
99%
[Rottweil R 904]*
<<locked>>
91%
39189
60%
**35
90%
[Rottweil R 905]*
<<locked>>
90%
34809
54%
**98
90%
[Rottweil R 907]*
<<locked>>
81%
35926
55%
**46
92%
SNPE Vectan SP 11
<<locked>>
81%
39262
60%
**90
98%
SNPE Vectan SP 7
<<locked>>
81%
48878
75%
**15
99%
SNPE Vectan SP 9
<<locked>>
81%
47065
72%
**95
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48385
74%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40350
62%
**72
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33939
52%
**61
92%
[Shooters World Long Rifle]*
<<locked>>
81%
34838
54%
**20
94%
Shooters World Match Rifle
<<locked>>
81%
47572
73%
**92
100%
Shooters World Precision
<<locked>>
81%
42583
66%
**90
100%
Somchem S335
<<locked>>
81%
47906
74%
**10
100%
Somchem S341
<<locked>>
81%
48762
75%
**12
100%
Somchem S355
<<locked>>
81%
38435
59%
**31
99%
[Somchem S361]*
<<locked>>
92%
41408
64%
**54
90%
Somchem S365
<<locked>>
81%
27702
43%
**51
96%
[Somchem S385]*
<<locked>>
87%
32111
49%
**03
90%
Vihtavuori N130
<<locked>>
81%
53693
83%
**62
100%
Vihtavuori N133
<<locked>>
81%
45803
70%
**61
100%
Vihtavuori N135
<<locked>>
81%
37405
58%
**59
100%
Vihtavuori N140
<<locked>>
81%
44628
69%
**97
100%
Vihtavuori N150
<<locked>>
81%
32590
50%
**77
98%
Vihtavuori N160
<<locked>>
81%
34084
52%
**43
95%
[Vihtavuori N165]*
<<locked>>
94%
33504
52%
**23
90%
Vihtavuori N530
<<locked>>
81%
53374
82%
**81
100%
Vihtavuori N540
<<locked>>
81%
44077
68%
**17
100%
Vihtavuori N550
<<locked>>
81%
34447
53%
**82
95%
[Vihtavuori N555]*
<<locked>>
81%
23453
36%
**13
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32518
50%
**93
97%
[Winchester 760]*
<<locked>>
81%
36361
56%
**31
93%
[Winchester StaBALL HD]*
<<locked>>
87%
23670
36%
**43
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.

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