top of page

Load data for .280 Ackley Improved + .284 | 140gr | Sierra HPBTGK

You need to be a member to bookmark a  load !

Bookmark this load
>> My bookmarks

Recommended Powder(s): Hodgdon H414, Hodgdon LVR, ReloadSwiss RS 70, Vihtavuori N550, Winchester 760

.280 Ackley Improved + .284 | 140gr | Sierra HPBTGK

Load Specifications

Bullet:
.284 | 140gr | Sierra HPBTGK
Manufacturer SKU:
1912
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.325" | 33.7mm
Caliber:
.280 Ackley Improved
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.585" | 14.9mm
Shank Seated Depth:
0.396" | 10.1mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5839_C285
Recommended Twist Rate:
1:10 - 1:8

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 214 loads in caliber .280 Ackley Improved with .284 | 140gr | Sierra HPBTGK bullet and 107 powders such as Hodgdon H414, Hodgdon LVR, ReloadSwiss RS 70, Vihtavuori N550, 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

  • 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>>
87%
63744
98%
**48
100%
ADI AR 2208
<<locked>>
93%
64948
100%
**51
100%
ADI AR 2209
<<locked>>
97%
51111
79%
**23
96%
[ADI AR 2213]*
<<locked>>
97%
45252
70%
**28
92%
Accurate 2015
<<locked>>
84%
64905
100%
**27
100%
Accurate 2200
<<locked>>
86%
64643
99%
**35
100%
Accurate 2495
<<locked>>
86%
64701
100%
**82
100%
Accurate 2520
<<locked>>
85%
63817
98%
**12
100%
Accurate 2700
<<locked>>
93%
64368
99%
**99
99%
Accurate 3100
<<locked>>
97%
44092
68%
**72
97%
Accurate 4064
<<locked>>
91%
64121
99%
**09
100%
Accurate 4350
<<locked>>
97%
60916
94%
**68
100%
Alliant AR-Comp
<<locked>>
85%
64832
100%
**53
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
64295
99%
**48
100%
Alliant Reloder-15
<<locked>>
90%
64237
99%
**74
100%
Alliant Reloder-16
<<locked>>
97%
57537
89%
**58
100%
Alliant Reloder-17
<<locked>>
96%
64963
100%
**73
100%
Alliant Reloder-19
<<locked>>
97%
50299
77%
**13
96%
[Alliant Reloder-22]*
<<locked>>
97%
43801
67%
**28
94%
Alliant Reloder-23
<<locked>>
97%
41597
64%
**92
100%
Alliant Reloder-25
<<locked>>
97%
36840
57%
**90
95%
Alliant Reloder-26
<<locked>>
97%
46760
72%
**69
99%
Baschieri & Pellagri 107
<<locked>>
87%
64368
99%
**71
100%
Hodgdon BL-C2
<<locked>>
85%
64281
99%
**61
100%
Hodgdon Benchmark
<<locked>>
86%
64687
100%
**82
100%
Hodgdon CFE223
<<locked>>
90%
64803
100%
**07
100%
Hodgdon H322
<<locked>>
84%
64774
100%
**99
100%
Hodgdon H380
<<locked>>
92%
64469
99%
**71
100%
Hodgdon H414 👍
<<locked>>
95%
64672
100%
**30
100%
Hodgdon H4350
<<locked>>
97%
55100
85%
**33
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
47601
73%
**31
93%
Hodgdon Hybrid 100V
<<locked>>
97%
54534
84%
**33
100%
Hodgdon LVR 👍
<<locked>>
97%
64208
99%
**10
100%
Hodgdon Superperformance
<<locked>>
97%
64252
99%
**56
99%
Hodgdon VARGET
<<locked>>
93%
64571
99%
**38
100%
Hodgdon TrailBoss
<<locked>>
96%
34418
53%
**88
100%
IMR 3031
<<locked>>
90%
64382
99%
**22
100%
IMR 4064
<<locked>>
94%
64759
100%
**31
100%
IMR 4166 Enduron
<<locked>>
94%
64252
99%
**25
99%
IMR 4350
<<locked>>
97%
58726
90%
**86
99%
IMR 4451 Enduron
<<locked>>
95%
64672
100%
**54
99%
IMR 4831
<<locked>>
97%
51140
79%
**97
100%
IMR 4895
<<locked>>
89%
63788
98%
**81
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47355
73%
**89
93%
[IMR 7828 SSC]*
<<locked>>
97%
46586
72%
**67
93%
IMR 8208 XBR
<<locked>>
86%
64310
99%
**12
100%
Lovex D073.6
<<locked>>
87%
63817
98%
**12
100%
Lovex S060
<<locked>>
88%
64585
99%
**95
100%
Lovex S062
<<locked>>
91%
64963
100%
**28
100%
Lovex S065
<<locked>>
97%
62787
97%
**22
100%
Lovex S070
<<locked>>
97%
60959
94%
**18
99%
Lovex S071
<<locked>>
97%
36564
56%
**12
95%
Norma 201
<<locked>>
88%
64527
99%
**18
100%
Norma 202
<<locked>>
88%
64411
99%
**99
100%
Norma 203B
<<locked>>
91%
64643
99%
**71
100%
Norma 204
<<locked>>
97%
59582
92%
**35
98%
Norma MRP
<<locked>>
97%
46499
72%
**17
97%
Norma URP
<<locked>>
97%
59480
92%
**45
100%
Ramshot Big Game
<<locked>>
90%
63831
98%
**71
100%
Ramshot Hunter
<<locked>>
97%
58073
89%
**41
99%
Ramshot Magnum
<<locked>>
97%
42772
66%
**82
95%
Ramshot TAC
<<locked>>
86%
64310
99%
**48
100%
Ramshot Wild Boar
<<locked>>
86%
64614
99%
**54
100%
Ramshot X-Terminator
<<locked>>
84%
64629
99%
**15
100%
ReloadSwiss RS 14
<<locked>>
96%
34824
54%
**24
100%
ReloadSwiss RS 50
<<locked>>
91%
64353
99%
**54
100%
ReloadSwiss RS 52
<<locked>>
90%
64339
99%
**81
100%
ReloadSwiss RS 60
<<locked>>
97%
64875
100%
**92
100%
ReloadSwiss RS 62
<<locked>>
97%
60104
92%
**77
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
59886
92%
**20
100%
Rottweil R 901
<<locked>>
86%
64266
99%
**72
100%
Rottweil R 902
<<locked>>
90%
64223
99%
**02
100%
Rottweil R 903
<<locked>>
94%
64194
99%
**51
100%
Rottweil R 904
<<locked>>
97%
52924
81%
**97
95%
Rottweil R 905
<<locked>>
97%
49240
76%
**90
96%
Rottweil R 907
<<locked>>
96%
64223
99%
**48
99%
SNPE Vectan SP 11
<<locked>>
93%
64107
99%
**84
100%
SNPE Vectan SP 7
<<locked>>
86%
64020
99%
**38
100%
SNPE Vectan SP 9
<<locked>>
88%
64701
100%
**54
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
64266
99%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
64861
100%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
63831
98%
**86
99%
Shooters World Long Rifle
<<locked>>
97%
62787
97%
**22
100%
Shooters World Match Rifle
<<locked>>
87%
63817
98%
**12
100%
Shooters World Precision
<<locked>>
91%
64963
100%
**28
100%
Somchem S321
<<locked>>
83%
64817
100%
**35
100%
Somchem S335
<<locked>>
88%
64890
100%
**33
100%
Somchem S341
<<locked>>
87%
64600
99%
**31
100%
Somchem S355
<<locked>>
94%
64440
99%
**51
100%
Somchem S361
<<locked>>
97%
54679
84%
**90
95%
Somchem S365
<<locked>>
97%
54331
84%
**89
100%
Somchem S385
<<locked>>
97%
49545
76%
**64
97%
Vihtavuori N130
<<locked>>
85%
64411
99%
**87
100%
Vihtavuori N133
<<locked>>
90%
64426
99%
**07
100%
Vihtavuori N135
<<locked>>
96%
64411
99%
**56
100%
Vihtavuori N140
<<locked>>
90%
64310
99%
**72
100%
Vihtavuori N150
<<locked>>
97%
59553
92%
**43
100%
Vihtavuori N160
<<locked>>
96%
64136
99%
**68
100%
[Vihtavuori N165]*
<<locked>>
97%
41582
64%
**03
94%
Vihtavuori N530
<<locked>>
84%
64179
99%
**22
100%
Vihtavuori N540
<<locked>>
90%
64179
99%
**02
100%
Vihtavuori N550 👍
<<locked>>
97%
64600
99%
**14
100%
Vihtavuori N555
<<locked>>
97%
46282
71%
**67
99%
[Vihtavuori N560]*
<<locked>>
97%
44106
68%
**44
92%
Winchester 6.5 StaBALL
<<locked>>
97%
61728
95%
**05
100%
Winchester 760 👍
<<locked>>
95%
64672
100%
**30
100%
Winchester StaBALL HD
<<locked>>
97%
34461
53%
**15
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
52605
81%
**84
100%
ADI AR 2208
<<locked>>
81%
44773
69%
**33
99%
[ADI AR 2209]*
<<locked>>
86%
35447
55%
**79
90%
[ADI AR 2213]*
<<locked>>
93%
40219
62%
**13
90%
Accurate 2015
<<locked>>
81%
58929
91%
**58
100%
Accurate 2200
<<locked>>
81%
54795
84%
**87
100%
Accurate 2495
<<locked>>
81%
55477
85%
**67
100%
Accurate 2520
<<locked>>
81%
56130
86%
**13
100%
Accurate 2700
<<locked>>
81%
43105
66%
**51
95%
[Accurate 3100]*
<<locked>>
83%
27499
42%
**69
90%
Accurate 4064
<<locked>>
81%
46891
72%
**66
100%
Accurate 4350
<<locked>>
81%
35201
54%
**95
96%
Alliant AR-Comp
<<locked>>
81%
56507
87%
**61
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
44947
69%
**56
100%
Alliant Reloder-15
<<locked>>
81%
47964
74%
**25
100%
Alliant Reloder-16
<<locked>>
81%
34954
54%
**08
96%
Alliant Reloder-17
<<locked>>
81%
39073
60%
**40
99%
[Alliant Reloder-19]*
<<locked>>
85%
34447
53%
**66
90%
[Alliant Reloder-22]*
<<locked>>
90%
34708
53%
**08
90%
[Alliant Reloder-23]*
<<locked>>
81%
25237
39%
**39
93%
[Alliant Reloder-25]*
<<locked>>
89%
28355
44%
**41
90%
[Alliant Reloder-26]*
<<locked>>
81%
26905
41%
**34
90%
Baschieri & Pellagri 107
<<locked>>
81%
52257
80%
**00
100%
Hodgdon BL-C2
<<locked>>
81%
55796
86%
**43
100%
Hodgdon Benchmark
<<locked>>
81%
56188
86%
**64
100%
Hodgdon CFE223
<<locked>>
81%
46847
72%
**38
99%
Hodgdon H322
<<locked>>
81%
58537
90%
**13
100%
Hodgdon H380
<<locked>>
81%
45701
70%
**72
99%
Hodgdon H414
<<locked>>
81%
40640
63%
**20
95%
[Hodgdon H4350]*
<<locked>>
81%
33765
52%
**97
91%
[Hodgdon H4831 SC]*
<<locked>>
92%
40770
63%
**87
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32300
50%
**10
97%
Hodgdon LVR
<<locked>>
81%
38276
59%
**54
97%
[Hodgdon Superperformance]*
<<locked>>
81%
36347
56%
**44
93%
Hodgdon VARGET
<<locked>>
81%
44367
68%
**26
99%
Hodgdon TrailBoss
<<locked>>
83%
28152
43%
**54
100%
IMR 3031
<<locked>>
81%
48965
75%
**05
100%
IMR 4064
<<locked>>
81%
43787
67%
**00
99%
IMR 4166 Enduron
<<locked>>
81%
43033
66%
**67
96%
[IMR 4350]*
<<locked>>
81%
35404
54%
**39
92%
IMR 4451 Enduron
<<locked>>
81%
41350
64%
**57
95%
IMR 4831
<<locked>>
81%
30719
47%
**67
95%
IMR 4895
<<locked>>
81%
49269
76%
**51
100%
[IMR 4955 Enduron]*
<<locked>>
91%
39552
61%
**28
90%
[IMR 7828 SSC]*
<<locked>>
92%
40118
62%
**30
90%
IMR 8208 XBR
<<locked>>
81%
54737
84%
**87
100%
Lovex D073.6
<<locked>>
81%
52257
80%
**51
100%
Lovex S060
<<locked>>
81%
51590
79%
**08
100%
Lovex S062
<<locked>>
81%
46876
72%
**62
100%
Lovex S065
<<locked>>
81%
38798
60%
**02
96%
[Lovex S070]*
<<locked>>
81%
36854
57%
**79
94%
[Lovex S071]*
<<locked>>
88%
27340
42%
**62
90%
Norma 201
<<locked>>
81%
51387
79%
**31
100%
Norma 202
<<locked>>
81%
52054
80%
**31
100%
Norma 203B
<<locked>>
81%
47471
73%
**12
100%
[Norma 204]*
<<locked>>
81%
34751
53%
**52
90%
[Norma MRP]*
<<locked>>
86%
31618
49%
**52
90%
Norma URP
<<locked>>
81%
35056
54%
**92
96%
Ramshot Big Game
<<locked>>
81%
47601
73%
**31
100%
[Ramshot Hunter]*
<<locked>>
81%
34243
53%
**75
94%
[Ramshot Magnum]*
<<locked>>
90%
33678
52%
**62
90%
Ramshot TAC
<<locked>>
81%
54955
85%
**10
99%
Ramshot Wild Boar
<<locked>>
81%
54955
85%
**27
100%
Ramshot X-Terminator
<<locked>>
81%
58740
90%
**33
100%
ReloadSwiss RS 14
<<locked>>
81%
27905
43%
**77
100%
ReloadSwiss RS 50
<<locked>>
81%
45745
70%
**56
97%
ReloadSwiss RS 52
<<locked>>
81%
46833
72%
**28
100%
ReloadSwiss RS 60
<<locked>>
81%
37985
58%
**30
100%
ReloadSwiss RS 62
<<locked>>
81%
34766
54%
**08
96%
ReloadSwiss RS 70
<<locked>>
81%
34519
53%
**21
95%
Rottweil R 901
<<locked>>
81%
55535
85%
**58
100%
Rottweil R 902
<<locked>>
81%
48762
75%
**72
100%
Rottweil R 903
<<locked>>
81%
42177
65%
**00
100%
[Rottweil R 904]*
<<locked>>
86%
37304
57%
**89
90%
[Rottweil R 905]*
<<locked>>
86%
33721
52%
**56
90%
[Rottweil R 907]*
<<locked>>
81%
39900
61%
**25
94%
SNPE Vectan SP 11
<<locked>>
81%
43439
67%
**62
99%
SNPE Vectan SP 7
<<locked>>
81%
53693
83%
**87
100%
SNPE Vectan SP 9
<<locked>>
81%
50850
78%
**44
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52475
81%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44295
68%
**31
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38261
59%
**49
94%
Shooters World Long Rifle
<<locked>>
81%
38798
60%
**02
96%
Shooters World Match Rifle
<<locked>>
81%
52257
80%
**51
100%
Shooters World Precision
<<locked>>
81%
46876
72%
**62
100%
Somchem S321
<<locked>>
81%
59930
92%
**69
100%
Somchem S335
<<locked>>
81%
52112
80%
**62
100%
Somchem S341
<<locked>>
81%
53287
82%
**74
100%
Somchem S355
<<locked>>
81%
42830
66%
**07
100%
[Somchem S361]*
<<locked>>
88%
40408
62%
**25
90%
Somchem S365
<<locked>>
81%
31589
49%
**49
98%
[Somchem S385]*
<<locked>>
82%
30995
48%
**64
90%
Vihtavuori N130
<<locked>>
81%
57580
89%
**02
100%
Vihtavuori N133
<<locked>>
81%
49443
76%
**10
100%
Vihtavuori N135
<<locked>>
81%
41568
64%
**25
100%
Vihtavuori N140
<<locked>>
81%
48820
75%
**53
100%
Vihtavuori N150
<<locked>>
81%
36637
56%
**52
99%
Vihtavuori N160
<<locked>>
81%
38101
59%
**31
97%
[Vihtavuori N165]*
<<locked>>
90%
32967
51%
**97
90%
Vihtavuori N530
<<locked>>
81%
58247
90%
**46
100%
Vihtavuori N540
<<locked>>
81%
48196
74%
**72
100%
Vihtavuori N550
<<locked>>
81%
38856
60%
**80
97%
[Vihtavuori N555]*
<<locked>>
81%
27383
42%
**21
93%
[Vihtavuori N560]*
<<locked>>
94%
39958
62%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36100
56%
**69
99%
Winchester 760
<<locked>>
81%
40640
63%
**20
95%
[Winchester StaBALL HD]*
<<locked>>
82%
23395
36%
**26
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.

bottom of page