top of page

Load data for .280 Ackley Improved + .284 | 150gr | Berger Classic Hybrid Hunter

Recommended Powder(s): Hodgdon H414, Hodgdon Superperformance, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

.280 Ackley Improved + .284 | 150gr | Berger Classic Hybrid Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Berger Classic Hybrid Hunter
Manufacturer SKU:
28571
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.253" | 31.8mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.513" | 13.0mm
Shank Seated Depth:
0.277" | 7.0mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B1029_C285
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 210 loads in caliber .280 Ackley Improved with .284 | 150gr | Berger Classic Hybrid Hunter bullet and 105 powders such as Hodgdon H414, Hodgdon Superperformance, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 31.2 fps

  • 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.

    .

    Loading_icon.gif

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%
64861
100%
**69
100%
ADI AR 2208
<<locked>>
91%
64252
99%
**53
100%
ADI AR 2209
<<locked>>
97%
54737
84%
**10
98%
ADI AR 2213
<<locked>>
97%
49327
76%
**41
95%
Accurate 2200
<<locked>>
84%
64687
100%
**53
100%
Accurate 2495
<<locked>>
83%
64324
99%
**87
100%
Accurate 2700
<<locked>>
91%
63831
98%
**04
99%
Accurate 3100
<<locked>>
97%
48066
74%
**59
99%
Accurate 4064
<<locked>>
89%
64701
100%
**20
100%
Accurate 4350
<<locked>>
96%
64629
99%
**18
100%
[Accurate MAGPRO]*
<<locked>>
97%
46818
72%
**25
93%
Alliant AR-Comp
<<locked>>
83%
64498
99%
**58
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
64905
100%
**66
100%
Alliant Reloder-15
<<locked>>
88%
64339
99%
**86
100%
Alliant Reloder-16
<<locked>>
97%
62410
96%
**35
100%
Alliant Reloder-17
<<locked>>
93%
64426
99%
**71
100%
Alliant Reloder-19
<<locked>>
97%
53853
83%
**97
98%
Alliant Reloder-22
<<locked>>
97%
48051
74%
**35
97%
Alliant Reloder-23
<<locked>>
97%
45411
70%
**85
100%
Alliant Reloder-25
<<locked>>
97%
39537
61%
**94
98%
Alliant Reloder-26
<<locked>>
97%
51837
80%
**76
100%
Baschieri & Pellagri 107
<<locked>>
85%
64368
99%
**86
100%
Hodgdon BL-C2
<<locked>>
83%
64542
99%
**66
100%
Hodgdon Benchmark
<<locked>>
84%
64252
99%
**84
100%
Hodgdon CFE223
<<locked>>
88%
64571
99%
**22
100%
Hodgdon H380
<<locked>>
89%
64353
99%
**82
100%
Hodgdon H414 👍
<<locked>>
92%
64745
100%
**48
100%
Hodgdon H4350
<<locked>>
97%
59263
91%
**17
99%
[Hodgdon H4831]*
<<locked>>
97%
45571
70%
**17
93%
Hodgdon H4831 SC
<<locked>>
97%
51750
80%
**31
95%
Hodgdon Hybrid 100V
<<locked>>
97%
58146
89%
**97
100%
Hodgdon LVR
<<locked>>
95%
64266
99%
**15
100%
Hodgdon Superperformance 👍
<<locked>>
94%
63947
98%
**71
100%
Hodgdon VARGET
<<locked>>
91%
64745
100%
**56
100%
Hodgdon TrailBoss
<<locked>>
96%
34606
53%
**39
100%
IMR 3031
<<locked>>
87%
64092
99%
**17
100%
IMR 4064
<<locked>>
92%
64600
99%
**46
100%
IMR 4166 Enduron
<<locked>>
93%
64934
100%
**49
100%
IMR 4350
<<locked>>
97%
62540
96%
**59
99%
IMR 4451 Enduron
<<locked>>
93%
64426
99%
**66
100%
IMR 4831
<<locked>>
97%
55013
85%
**74
100%
IMR 4895
<<locked>>
87%
64107
99%
**86
100%
IMR 4955 Enduron
<<locked>>
97%
50415
78%
**72
95%
IMR 7828 SSC
<<locked>>
97%
49951
77%
**67
96%
IMR 8208 XBR
<<locked>>
84%
64020
99%
**23
100%
Lovex D073.6
<<locked>>
85%
63991
98%
**20
100%
Lovex S060
<<locked>>
86%
64150
99%
**97
100%
Lovex S062
<<locked>>
89%
64905
100%
**40
100%
Lovex S065
<<locked>>
95%
64382
99%
**63
100%
Lovex S070
<<locked>>
97%
64774
100%
**95
100%
Lovex S071
<<locked>>
97%
40451
62%
**18
97%
Norma 201
<<locked>>
87%
64846
100%
**27
100%
Norma 202
<<locked>>
86%
64759
100%
**10
100%
Norma 203B
<<locked>>
89%
64571
99%
**82
100%
Norma 204
<<locked>>
97%
63672
98%
**12
99%
Norma MRP
<<locked>>
97%
51053
79%
**20
99%
Norma URP
<<locked>>
97%
63643
98%
**12
100%
Ramshot Big Game
<<locked>>
88%
63947
98%
**86
100%
Ramshot Hunter
<<locked>>
97%
62236
96%
**15
100%
Ramshot Magnum
<<locked>>
97%
46282
71%
**89
97%
Ramshot TAC
<<locked>>
84%
64919
100%
**69
100%
Ramshot Wild Boar
<<locked>>
84%
64397
99%
**66
100%
ReloadSwiss RS 14
<<locked>>
96%
35056
54%
**75
100%
ReloadSwiss RS 50
<<locked>>
90%
64455
99%
**72
100%
ReloadSwiss RS 52
<<locked>>
88%
64614
99%
**92
100%
ReloadSwiss RS 60
<<locked>>
94%
64266
99%
**87
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
64934
100%
**51
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
64194
99%
**91
100%
ReloadSwiss RS 76
<<locked>>
97%
38363
59%
**00
95%
Rottweil R 901
<<locked>>
84%
64600
99%
**87
100%
Rottweil R 902
<<locked>>
88%
63991
98%
**07
100%
Rottweil R 903
<<locked>>
92%
64339
99%
**59
100%
Rottweil R 904
<<locked>>
97%
56753
87%
**84
97%
Rottweil R 905
<<locked>>
97%
53171
82%
**81
98%
Rottweil R 907
<<locked>>
94%
64846
100%
**72
100%
SNPE Vectan SP 11
<<locked>>
91%
64208
99%
**99
100%
SNPE Vectan SP 7
<<locked>>
84%
64063
99%
**43
100%
SNPE Vectan SP 9
<<locked>>
86%
64484
99%
**56
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
64310
99%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
64963
100%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
63875
98%
**13
100%
Shooters World Long Rifle
<<locked>>
95%
64382
99%
**63
100%
Shooters World Match Rifle
<<locked>>
85%
63991
98%
**20
100%
Shooters World Precision
<<locked>>
89%
64905
100%
**40
100%
Somchem S335
<<locked>>
86%
64136
99%
**38
100%
Somchem S341
<<locked>>
85%
64513
99%
**36
100%
Somchem S355
<<locked>>
92%
64934
100%
**66
100%
Somchem S361
<<locked>>
97%
58320
90%
**71
97%
Somchem S365
<<locked>>
97%
59219
91%
**59
100%
Somchem S385
<<locked>>
97%
54288
84%
**61
99%
Vihtavuori N130
<<locked>>
83%
64600
99%
**99
100%
Vihtavuori N133
<<locked>>
88%
64571
99%
**08
100%
Vihtavuori N135
<<locked>>
93%
64092
99%
**58
100%
Vihtavuori N140
<<locked>>
88%
64672
100%
**74
100%
Vihtavuori N150
<<locked>>
97%
64150
99%
**07
100%
Vihtavuori N160
<<locked>>
94%
64281
99%
**72
100%
Vihtavuori N165
<<locked>>
97%
44889
69%
**90
96%
Vihtavuori N540
<<locked>>
88%
64136
99%
**00
100%
Vihtavuori N550
<<locked>>
94%
64745
100%
**28
100%
Vihtavuori N555
<<locked>>
97%
50966
78%
**64
100%
Vihtavuori N560
<<locked>>
97%
48515
75%
**64
95%
[Vihtavuori N565]*
<<locked>>
97%
40176
62%
**77
92%
Winchester 6.5 StaBALL
<<locked>>
96%
64788
100%
**56
100%
Winchester 760 👍
<<locked>>
92%
64745
100%
**48
100%
Winchester StaBALL HD
<<locked>>
97%
39247
60%
**18
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
56217
87%
**58
100%
ADI AR 2208
<<locked>>
81%
47529
73%
**00
100%
[ADI AR 2209]*
<<locked>>
81%
32808
50%
**48
90%
[ADI AR 2213]*
<<locked>>
88%
36608
56%
**69
90%
Accurate 2200
<<locked>>
81%
58001
89%
**58
100%
Accurate 2495
<<locked>>
81%
59059
91%
**18
100%
Accurate 2700
<<locked>>
81%
45890
71%
**28
97%
[Accurate 3100]*
<<locked>>
81%
28282
44%
**26
92%
Accurate 4064
<<locked>>
81%
50198
77%
**26
100%
Accurate 4350
<<locked>>
81%
38609
59%
**98
98%
[Accurate MAGPRO]*
<<locked>>
93%
41046
63%
**94
90%
Alliant AR-Comp
<<locked>>
81%
60307
93%
**08
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47877
74%
**20
100%
Alliant Reloder-15
<<locked>>
81%
51517
79%
**95
100%
Alliant Reloder-16
<<locked>>
81%
37347
57%
**95
98%
Alliant Reloder-17
<<locked>>
81%
42351
65%
**26
100%
[Alliant Reloder-19]*
<<locked>>
81%
32750
50%
**51
91%
[Alliant Reloder-22]*
<<locked>>
84%
31937
49%
**67
90%
Alliant Reloder-23
<<locked>>
81%
27267
42%
**49
96%
[Alliant Reloder-25]*
<<locked>>
84%
26281
40%
**10
90%
[Alliant Reloder-26]*
<<locked>>
81%
29269
45%
**54
94%
Baschieri & Pellagri 107
<<locked>>
81%
55840
86%
**64
100%
Hodgdon BL-C2
<<locked>>
81%
59640
92%
**07
100%
Hodgdon Benchmark
<<locked>>
81%
59350
91%
**22
100%
Hodgdon CFE223
<<locked>>
81%
50705
78%
**22
100%
Hodgdon H380
<<locked>>
81%
49124
76%
**49
100%
Hodgdon H414
<<locked>>
81%
43947
68%
**07
97%
[Hodgdon H4350]*
<<locked>>
81%
36216
56%
**87
94%
[Hodgdon H4831]*
<<locked>>
91%
37376
58%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
37739
58%
**56
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34882
54%
**97
99%
Hodgdon LVR
<<locked>>
81%
41263
64%
**48
98%
Hodgdon Superperformance
<<locked>>
81%
39508
61%
**48
95%
Hodgdon VARGET
<<locked>>
81%
47224
73%
**97
100%
Hodgdon TrailBoss
<<locked>>
86%
29791
46%
**40
100%
IMR 3031
<<locked>>
81%
52489
81%
**66
100%
IMR 4064
<<locked>>
81%
46789
72%
**80
100%
IMR 4166 Enduron
<<locked>>
81%
45963
71%
**48
98%
IMR 4350
<<locked>>
81%
38174
59%
**33
95%
IMR 4451 Enduron
<<locked>>
81%
44121
68%
**38
97%
IMR 4831
<<locked>>
81%
33547
52%
**67
97%
IMR 4895
<<locked>>
81%
52924
81%
**31
100%
[IMR 4955 Enduron]*
<<locked>>
86%
36216
56%
**80
90%
[IMR 7828 SSC]*
<<locked>>
87%
36419
56%
**69
90%
IMR 8208 XBR
<<locked>>
81%
58334
90%
**44
100%
Lovex D073.6
<<locked>>
81%
56202
86%
**18
100%
Lovex S060
<<locked>>
81%
54868
84%
**79
100%
Lovex S062
<<locked>>
81%
50343
77%
**30
100%
Lovex S065
<<locked>>
81%
41234
63%
**89
98%
Lovex S070
<<locked>>
81%
39537
61%
**66
96%
[Lovex S071]*
<<locked>>
83%
25440
39%
**38
90%
Norma 201
<<locked>>
81%
54462
84%
**89
100%
Norma 202
<<locked>>
81%
55405
85%
**85
100%
Norma 203B
<<locked>>
81%
50865
78%
**82
100%
[Norma 204]*
<<locked>>
81%
37492
58%
**49
93%
[Norma MRP]*
<<locked>>
81%
29646
46%
**31
91%
Norma URP
<<locked>>
81%
38189
59%
**85
98%
Ramshot Big Game
<<locked>>
81%
51198
79%
**08
100%
Ramshot Hunter
<<locked>>
81%
37086
57%
**72
96%
[Ramshot Magnum]*
<<locked>>
86%
31343
48%
**41
90%
Ramshot TAC
<<locked>>
81%
58320
90%
**71
100%
Ramshot Wild Boar
<<locked>>
81%
58624
90%
**87
100%
ReloadSwiss RS 14
<<locked>>
83%
28950
45%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
48646
75%
**30
99%
ReloadSwiss RS 52
<<locked>>
81%
50488
78%
**92
100%
ReloadSwiss RS 60
<<locked>>
81%
41089
63%
**17
100%
ReloadSwiss RS 62
<<locked>>
81%
38043
59%
**05
98%
ReloadSwiss RS 70
<<locked>>
81%
37217
57%
**21
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
31140
48%
**80
90%
Rottweil R 901
<<locked>>
81%
58900
91%
**12
100%
Rottweil R 902
<<locked>>
81%
52127
80%
**46
100%
Rottweil R 903
<<locked>>
81%
45556
70%
**87
100%
[Rottweil R 904]*
<<locked>>
82%
34635
53%
**54
90%
[Rottweil R 905]*
<<locked>>
81%
31517
48%
**25
90%
Rottweil R 907
<<locked>>
81%
42714
66%
**12
96%
SNPE Vectan SP 11
<<locked>>
81%
46731
72%
**36
100%
SNPE Vectan SP 7
<<locked>>
81%
57319
88%
**54
100%
SNPE Vectan SP 9
<<locked>>
81%
54331
84%
**18
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
55622
86%
**23
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46920
72%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40625
63%
**36
96%
Shooters World Long Rifle
<<locked>>
81%
41234
63%
**89
98%
Shooters World Match Rifle
<<locked>>
81%
56202
86%
**18
100%
Shooters World Precision
<<locked>>
81%
50343
77%
**30
100%
Somchem S335
<<locked>>
81%
55027
85%
**20
100%
Somchem S341
<<locked>>
81%
56884
88%
**41
100%
Somchem S355
<<locked>>
81%
45600
70%
**77
100%
[Somchem S361]*
<<locked>>
83%
36985
57%
**87
90%
Somchem S365
<<locked>>
81%
34534
53%
**46
100%
[Somchem S385]*
<<locked>>
81%
32140
49%
**21
92%
Vihtavuori N130
<<locked>>
81%
60553
93%
**53
100%
Vihtavuori N133
<<locked>>
81%
52301
80%
**61
100%
Vihtavuori N135
<<locked>>
81%
44512
68%
**89
100%
Vihtavuori N140
<<locked>>
81%
51721
80%
**13
100%
Vihtavuori N150
<<locked>>
81%
39175
60%
**26
100%
Vihtavuori N160
<<locked>>
81%
41176
63%
**15
99%
[Vihtavuori N165]*
<<locked>>
85%
30284
47%
**62
90%
Vihtavuori N540
<<locked>>
81%
51576
79%
**40
100%
Vihtavuori N550
<<locked>>
81%
41945
65%
**64
99%
Vihtavuori N555
<<locked>>
81%
30066
46%
**28
96%
[Vihtavuori N560]*
<<locked>>
89%
37304
57%
**12
90%
[Vihtavuori N565]*
<<locked>>
93%
35810
55%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38769
60%
**59
100%
Winchester 760
<<locked>>
81%
43947
68%
**07
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24163
37%
**06
94%

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

bottom of page