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Load data for .280 Ackley Improved + .284 | 140gr | Nosler SP SolBase

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.280 Ackley Improved + .284 | 140gr | Nosler SP SolBase

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Nosler SP SolBase
Manufacturer SKU:
62490
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.120" | 28.4mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.380" | 9.7mm
Shank Seated Depth:
0.282" | 7.2mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B4056_C285
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 172 loads in caliber .280 Ackley Improved with .284 | 140gr | Nosler SP SolBase bullet and 86 powders such as Alliant Reloder-16, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 62, 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>>
88%
57450
88%
**59
100%
ADI AR 2209
<<locked>>
97%
53069
82%
**79
97%
[ADI AR 2213]*
<<locked>>
97%
47863
74%
**00
94%
Accurate 2700
<<locked>>
89%
57899
89%
**20
98%
Accurate 3100
<<locked>>
97%
46456
71%
**25
98%
Accurate 4064
<<locked>>
87%
58320
90%
**43
100%
Accurate 4350
<<locked>>
94%
57653
89%
**28
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
58305
90%
**82
100%
Alliant Reloder-15
<<locked>>
86%
58305
90%
**05
100%
Alliant Reloder-16 👍
<<locked>>
96%
57783
89%
**77
100%
Alliant Reloder-17
<<locked>>
91%
58088
89%
**81
100%
Alliant Reloder-19
<<locked>>
97%
52272
80%
**53
97%
Alliant Reloder-22
<<locked>>
97%
46441
71%
**94
96%
Alliant Reloder-23
<<locked>>
97%
43598
67%
**38
100%
Alliant Reloder-25
<<locked>>
97%
38363
59%
**40
96%
Alliant Reloder-26
<<locked>>
97%
49385
76%
**25
100%
Hodgdon CFE223
<<locked>>
86%
58479
90%
**35
100%
Hodgdon H380
<<locked>>
87%
58247
90%
**92
100%
Hodgdon H414 👍
<<locked>>
90%
57609
89%
**41
99%
Hodgdon H4350
<<locked>>
97%
57217
88%
**79
99%
[Hodgdon H4831]*
<<locked>>
97%
44150
68%
**69
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
50198
77%
**94
94%
Hodgdon Hybrid 100V
<<locked>>
97%
56565
87%
**72
100%
Hodgdon LVR
<<locked>>
92%
57827
89%
**31
100%
Hodgdon Superperformance
<<locked>>
93%
58233
90%
**87
99%
Hodgdon VARGET
<<locked>>
89%
57914
89%
**63
100%
Hodgdon TrailBoss
<<locked>>
97%
34853
54%
**11
100%
IMR 3031
<<locked>>
85%
58059
89%
**49
100%
IMR 4064
<<locked>>
89%
57812
89%
**56
100%
IMR 4166 Enduron
<<locked>>
90%
58131
89%
**49
99%
IMR 4350
<<locked>>
95%
58175
90%
**95
99%
IMR 4451 Enduron
<<locked>>
91%
58421
90%
**79
99%
IMR 4831
<<locked>>
97%
53606
83%
**46
100%
IMR 4895
<<locked>>
85%
58073
89%
**05
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49226
76%
**35
94%
[IMR 7828 SSC]*
<<locked>>
97%
48776
75%
**30
94%
Lovex S060
<<locked>>
84%
57899
89%
**17
100%
Lovex S062
<<locked>>
87%
58030
89%
**46
100%
Lovex S065
<<locked>>
93%
57769
89%
**66
100%
Lovex S070
<<locked>>
94%
57682
89%
**89
99%
Lovex S071
<<locked>>
97%
38450
59%
**57
96%
Norma 201
<<locked>>
84%
57754
89%
**40
100%
Norma 203B
<<locked>>
86%
58450
90%
**99
100%
Norma 204
<<locked>>
95%
58407
90%
**35
98%
Norma MRP
<<locked>>
97%
49110
76%
**89
98%
Norma URP
<<locked>>
95%
58030
89%
**31
100%
Ramshot Big Game
<<locked>>
86%
57769
89%
**02
100%
Ramshot Hunter 👍
<<locked>>
95%
57870
89%
**45
100%
Ramshot Magnum
<<locked>>
97%
44599
69%
**31
96%
ReloadSwiss RS 14
<<locked>>
97%
35288
54%
**50
100%
ReloadSwiss RS 50
<<locked>>
87%
57972
89%
**69
99%
ReloadSwiss RS 52
<<locked>>
86%
57682
89%
**05
100%
ReloadSwiss RS 60
<<locked>>
92%
57638
89%
**04
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
58131
89%
**54
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
57856
89%
**04
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37318
57%
**36
93%
Rottweil R 902
<<locked>>
86%
58334
90%
**33
100%
Rottweil R 903
<<locked>>
89%
58102
89%
**82
100%
Rottweil R 904
<<locked>>
97%
55143
85%
**46
96%
Rottweil R 905
<<locked>>
97%
51401
79%
**46
97%
Rottweil R 907
<<locked>>
92%
57711
89%
**66
99%
SNPE Vectan SP 11
<<locked>>
89%
58465
90%
**18
100%
SNPE Vectan SP 9
<<locked>>
84%
58305
90%
**79
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
57769
89%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
58131
89%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
58030
89%
**27
99%
Shooters World Long Rifle
<<locked>>
93%
57769
89%
**66
100%
Shooters World Precision
<<locked>>
87%
58030
89%
**46
100%
Somchem S335
<<locked>>
84%
58262
90%
**61
100%
Somchem S355
<<locked>>
90%
58276
90%
**76
100%
Somchem S361
<<locked>>
97%
56420
87%
**30
96%
Somchem S365
<<locked>>
97%
56927
88%
**35
100%
Somchem S385
<<locked>>
97%
52605
81%
**27
98%
Vihtavuori N133
<<locked>>
85%
58088
89%
**38
100%
Vihtavuori N135
<<locked>>
91%
58160
90%
**90
100%
Vihtavuori N140
<<locked>>
85%
57856
89%
**94
100%
Vihtavuori N150
<<locked>>
94%
57943
89%
**27
100%
Vihtavuori N160
<<locked>>
92%
58015
89%
**89
100%
Vihtavuori N165
<<locked>>
97%
43526
67%
**56
95%
Vihtavuori N540
<<locked>>
86%
58247
90%
**30
100%
Vihtavuori N550
<<locked>>
92%
58204
90%
**41
100%
Vihtavuori N555
<<locked>>
97%
49168
76%
**33
100%
[Vihtavuori N560]*
<<locked>>
97%
46905
72%
**07
93%
Winchester 6.5 StaBALL
<<locked>>
94%
58392
90%
**69
100%
Winchester 760
<<locked>>
90%
57609
89%
**41
99%
Winchester StaBALL HD
<<locked>>
97%
37434
58%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46180
71%
**72
99%
[ADI AR 2209]*
<<locked>>
83%
34374
53%
**66
90%
[ADI AR 2213]*
<<locked>>
91%
39363
61%
**13
90%
Accurate 2700
<<locked>>
81%
44411
68%
**84
96%
[Accurate 3100]*
<<locked>>
81%
26992
42%
**62
90%
Accurate 4064
<<locked>>
81%
49037
75%
**02
100%
Accurate 4350
<<locked>>
81%
36985
57%
**48
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
46847
72%
**02
100%
Alliant Reloder-15
<<locked>>
81%
49835
77%
**67
100%
Alliant Reloder-16
<<locked>>
81%
36187
56%
**54
97%
Alliant Reloder-17
<<locked>>
81%
41060
63%
**85
100%
[Alliant Reloder-19]*
<<locked>>
83%
33678
52%
**52
90%
[Alliant Reloder-22]*
<<locked>>
87%
33765
52%
**98
90%
[Alliant Reloder-23]*
<<locked>>
81%
26469
41%
**92
94%
[Alliant Reloder-25]*
<<locked>>
87%
28224
43%
**44
90%
[Alliant Reloder-26]*
<<locked>>
81%
28239
43%
**97
92%
Hodgdon CFE223
<<locked>>
81%
49110
76%
**84
100%
Hodgdon H380
<<locked>>
81%
47369
73%
**12
99%
Hodgdon H414
<<locked>>
81%
42496
65%
**72
96%
[Hodgdon H4350]*
<<locked>>
81%
35259
54%
**49
93%
[Hodgdon H4831]*
<<locked>>
94%
39987
62%
**77
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
39987
62%
**77
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33605
52%
**46
98%
Hodgdon LVR
<<locked>>
81%
39972
62%
**00
97%
[Hodgdon Superperformance]*
<<locked>>
81%
38145
59%
**00
94%
Hodgdon VARGET
<<locked>>
81%
45890
71%
**59
99%
Hodgdon TrailBoss
<<locked>>
81%
27499
42%
**54
100%
IMR 3031
<<locked>>
81%
50850
78%
**41
100%
IMR 4064
<<locked>>
81%
45527
70%
**49
99%
IMR 4166 Enduron
<<locked>>
81%
44759
69%
**10
97%
[IMR 4350]*
<<locked>>
81%
36869
57%
**89
93%
IMR 4451 Enduron
<<locked>>
81%
42917
66%
**07
96%
IMR 4831
<<locked>>
81%
32343
50%
**16
96%
IMR 4895
<<locked>>
81%
51184
79%
**94
100%
[IMR 4955 Enduron]*
<<locked>>
89%
39102
60%
**31
90%
[IMR 7828 SSC]*
<<locked>>
90%
38885
60%
**07
90%
Lovex S060
<<locked>>
81%
53447
82%
**48
100%
Lovex S062
<<locked>>
81%
48849
75%
**05
100%
Lovex S065
<<locked>>
81%
40335
62%
**48
97%
Lovex S070
<<locked>>
81%
38435
59%
**21
95%
[Lovex S071]*
<<locked>>
86%
26992
42%
**62
90%
Norma 201
<<locked>>
81%
53403
82%
**74
100%
Norma 203B
<<locked>>
81%
49327
76%
**54
100%
[Norma 204]*
<<locked>>
81%
36492
56%
**05
91%
[Norma MRP]*
<<locked>>
83%
30951
48%
**46
90%
Norma URP
<<locked>>
81%
36767
57%
**44
97%
Ramshot Big Game
<<locked>>
81%
49443
76%
**74
100%
Ramshot Hunter
<<locked>>
81%
35810
55%
**21
95%
[Ramshot Magnum]*
<<locked>>
89%
33112
51%
**62
90%
ReloadSwiss RS 14
<<locked>>
81%
27963
43%
**93
100%
ReloadSwiss RS 50
<<locked>>
81%
47485
73%
**95
98%
ReloadSwiss RS 52
<<locked>>
81%
49124
76%
**67
100%
ReloadSwiss RS 60
<<locked>>
81%
39639
61%
**79
100%
ReloadSwiss RS 62
<<locked>>
81%
36767
57%
**61
97%
ReloadSwiss RS 70
<<locked>>
81%
35752
55%
**61
96%
[ReloadSwiss RS 76]*
<<locked>>
93%
32909
51%
**05
90%
Rottweil R 902
<<locked>>
81%
50676
78%
**18
100%
Rottweil R 903
<<locked>>
81%
44092
68%
**46
100%
[Rottweil R 904]*
<<locked>>
84%
36825
57%
**92
90%
[Rottweil R 905]*
<<locked>>
83%
33011
51%
**46
90%
Rottweil R 907
<<locked>>
81%
41394
64%
**64
95%
SNPE Vectan SP 11
<<locked>>
81%
45353
70%
**02
100%
SNPE Vectan SP 9
<<locked>>
81%
53084
82%
**94
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
54259
84%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45701
70%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39697
61%
**92
95%
Shooters World Long Rifle
<<locked>>
81%
40335
62%
**48
97%
Shooters World Precision
<<locked>>
81%
48849
75%
**05
100%
Somchem S335
<<locked>>
81%
54012
83%
**99
100%
Somchem S355
<<locked>>
81%
44570
69%
**53
100%
[Somchem S361]*
<<locked>>
86%
39088
60%
**05
90%
Somchem S365
<<locked>>
81%
33199
51%
**92
99%
[Somchem S385]*
<<locked>>
81%
30806
47%
**64
90%
Vihtavuori N133
<<locked>>
81%
51140
79%
**43
100%
Vihtavuori N135
<<locked>>
81%
43352
67%
**64
100%
Vihtavuori N140
<<locked>>
81%
50183
77%
**85
100%
Vihtavuori N150
<<locked>>
81%
38000
58%
**89
100%
Vihtavuori N160
<<locked>>
81%
40089
62%
**80
98%
[Vihtavuori N165]*
<<locked>>
87%
32082
49%
**87
90%
Vihtavuori N540
<<locked>>
81%
49937
77%
**05
100%
Vihtavuori N550
<<locked>>
81%
40451
62%
**20
98%
Vihtavuori N555
<<locked>>
81%
28732
44%
**74
95%
[Vihtavuori N560]*
<<locked>>
92%
39291
60%
**46
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37623
58%
**15
99%
Winchester 760
<<locked>>
81%
42496
65%
**72
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23395
36%
**33
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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