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Load data for .280 Ackley Improved + .284 | 100gr | Sierra HP Varminter

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

.280 Ackley Improved + .284 | 100gr | Sierra HP Varminter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 100gr | Sierra HP Varminter
Manufacturer SKU:
1895
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
0.884" | 22.5mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.144" | 3.7mm
Shank Seated Depth:
0.144" | 3.7mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5834_C285
Last updated:
2025-02-02

Load data for 210 loads in caliber .280 Ackley Improved with .284 | 100gr | Sierra HP Varminter bullet and 105 powders such as Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52. 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

  • 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 2206H
<<locked>>
92%
64107
99%
**60
100%
ADI AR 2208
<<locked>>
97%
63628
98%
**27
100%
ADI AR 2219
<<locked>>
83%
64295
99%
**14
100%
Accurate 2015
<<locked>>
88%
64556
99%
**38
100%
Accurate 2200
<<locked>>
90%
64600
99%
**27
99%
Accurate 2230
<<locked>>
86%
64934
100%
**94
100%
Accurate 2460
<<locked>>
86%
64382
99%
**94
100%
Accurate 2495
<<locked>>
90%
64397
99%
**07
100%
Accurate 2520
<<locked>>
89%
64237
99%
**30
100%
Accurate 2700
<<locked>>
97%
62729
97%
**15
96%
Accurate 4064
<<locked>>
96%
64484
99%
**17
100%
Accurate 4350
<<locked>>
97%
50575
78%
**56
97%
Alliant AR-Comp
<<locked>>
90%
64034
99%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
63106
97%
**30
100%
Alliant Reloder-10x
<<locked>>
86%
64092
99%
**55
100%
Alliant Reloder-15 👍
<<locked>>
95%
64817
100%
**73
100%
Alliant Reloder-16
<<locked>>
97%
48921
75%
**56
97%
Alliant Reloder-17
<<locked>>
97%
56782
87%
**37
100%
[Alliant Reloder-23]*
<<locked>>
97%
34809
54%
**12
94%
[Alliant Reloder-26]*
<<locked>>
97%
38638
59%
**59
92%
Baschieri & Pellagri 106
<<locked>>
84%
64136
99%
**79
100%
Baschieri & Pellagri 107
<<locked>>
91%
63976
98%
**53
99%
Hodgdon BL-C2
<<locked>>
90%
64687
100%
**66
100%
Hodgdon Benchmark
<<locked>>
90%
64455
99%
**81
100%
Hodgdon CFE223
<<locked>>
95%
64600
99%
**02
99%
Hodgdon H322
<<locked>>
89%
64934
100%
**17
100%
Hodgdon H335
<<locked>>
83%
63889
98%
**04
100%
Hodgdon H380
<<locked>>
96%
64223
99%
**53
99%
Hodgdon H414
<<locked>>
97%
59698
92%
**20
97%
Hodgdon H4198
<<locked>>
84%
64237
99%
**32
100%
[Hodgdon H4350]*
<<locked>>
97%
47195
73%
**09
92%
Hodgdon Hybrid 100V
<<locked>>
97%
44788
69%
**25
98%
Hodgdon LVR
<<locked>>
97%
54549
84%
**32
98%
Hodgdon Superperformance
<<locked>>
97%
54491
84%
**42
95%
Hodgdon VARGET
<<locked>>
97%
62294
96%
**97
99%
Hodgdon TrailBoss
<<locked>>
96%
33518
52%
**26
100%
IMR 3031
<<locked>>
95%
64846
100%
**56
100%
IMR 4064
<<locked>>
97%
61757
95%
**91
100%
IMR 4166 Enduron
<<locked>>
97%
60669
93%
**38
97%
IMR 4198
<<locked>>
86%
64194
99%
**19
100%
[IMR 4350]*
<<locked>>
97%
50430
78%
**84
94%
IMR 4451 Enduron
<<locked>>
97%
58479
90%
**22
96%
IMR 4831
<<locked>>
97%
42308
65%
**66
95%
IMR 4895 👍
<<locked>>
94%
64585
99%
**83
100%
IMR 8208 XBR
<<locked>>
91%
64963
100%
**30
100%
Lovex D073.4
<<locked>>
85%
64324
99%
**88
100%
Lovex D073.5
<<locked>>
86%
63904
98%
**91
100%
Lovex D073.6
<<locked>>
92%
64571
99%
**27
100%
Lovex S060
<<locked>>
92%
64585
99%
**84
100%
Lovex S062
<<locked>>
96%
64324
99%
**20
100%
Lovex S065
<<locked>>
97%
54186
83%
**46
97%
Lovex S070
<<locked>>
97%
51721
80%
**10
95%
Norma 201
<<locked>>
93%
64759
100%
**27
100%
Norma 202
<<locked>>
92%
64397
99%
**04
100%
Norma 203B 👍
<<locked>>
95%
64658
100%
**76
100%
[Norma 204]*
<<locked>>
97%
50662
78%
**20
92%
Norma URP
<<locked>>
97%
49371
76%
**33
97%
Ramshot Big Game 👍
<<locked>>
95%
64905
100%
**79
100%
Ramshot Hunter
<<locked>>
97%
48979
75%
**37
95%
Ramshot TAC
<<locked>>
90%
64730
100%
**27
99%
Ramshot Wild Boar
<<locked>>
90%
64890
100%
**50
100%
Ramshot X-Terminator
<<locked>>
88%
64934
100%
**01
100%
ReloadSwiss RS 14
<<locked>>
96%
33649
52%
**69
100%
ReloadSwiss RS 40
<<locked>>
87%
64136
99%
**07
100%
ReloadSwiss RS 50
<<locked>>
96%
64281
99%
**20
98%
ReloadSwiss RS 52 👍
<<locked>>
95%
63976
98%
**79
100%
ReloadSwiss RS 60
<<locked>>
97%
55027
85%
**27
100%
ReloadSwiss RS 62
<<locked>>
97%
50140
77%
**69
97%
ReloadSwiss RS 70
<<locked>>
97%
50604
78%
**99
97%
Rottweil R 901
<<locked>>
90%
64469
99%
**97
100%
Rottweil R 902
<<locked>>
94%
64368
99%
**04
100%
Rottweil R 903
<<locked>>
97%
59640
92%
**81
100%
Rottweil R 907
<<locked>>
97%
57029
88%
**92
95%
SNPE Vectan BA6 1/2
<<locked>>
84%
64716
100%
**30
100%
SNPE Vectan SP 10
<<locked>>
83%
64832
100%
**14
100%
SNPE Vectan SP 11
<<locked>>
97%
62642
96%
**56
100%
SNPE Vectan SP 7
<<locked>>
91%
64440
99%
**20
99%
SNPE Vectan SP 9
<<locked>>
93%
64556
99%
**40
100%
SNPE Vectan Tubal 3000
<<locked>>
92%
64498
99%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
62801
97%
**83
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
55477
85%
**04
96%
Shooters World Long Rifle
<<locked>>
97%
54186
83%
**46
97%
Shooters World Match Rifle
<<locked>>
92%
64571
99%
**27
100%
Shooters World Precision
<<locked>>
96%
64324
99%
**20
100%
Shooters World Tactical Rifle
<<locked>>
85%
64310
99%
**84
100%
Somchem S321
<<locked>>
87%
64716
100%
**37
100%
Somchem S335
<<locked>>
92%
64658
100%
**28
100%
Somchem S341
<<locked>>
91%
64440
99%
**14
100%
Somchem S355
<<locked>>
97%
60089
92%
**84
100%
Somchem S365
<<locked>>
97%
44860
69%
**97
99%
Vihtavuori N120
<<locked>>
84%
64730
100%
**33
100%
Vihtavuori N130
<<locked>>
89%
64368
99%
**02
100%
Vihtavuori N133
<<locked>>
94%
64310
99%
**15
100%
Vihtavuori N135
<<locked>>
97%
57638
89%
**76
100%
Vihtavuori N140
<<locked>>
94%
63904
98%
**71
100%
Vihtavuori N150
<<locked>>
97%
51111
79%
**84
100%
Vihtavuori N160
<<locked>>
97%
55593
86%
**02
98%
Vihtavuori N530
<<locked>>
88%
64411
99%
**40
100%
Vihtavuori N540
<<locked>>
94%
64368
99%
**97
100%
Vihtavuori N550
<<locked>>
97%
55405
85%
**55
98%
[Vihtavuori N555]*
<<locked>>
97%
37478
58%
**07
94%
Winchester 6.5 StaBALL
<<locked>>
97%
53490
82%
**40
99%
Winchester 748
<<locked>>
87%
64469
99%
**60
100%
Winchester 760
<<locked>>
97%
59698
92%
**20
97%
Winchester StaBALL Match
<<locked>>
86%
64672
100%
**50
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45397
70%
**12
97%
ADI AR 2208
<<locked>>
81%
38667
60%
**22
95%
ADI AR 2219
<<locked>>
81%
59611
92%
**48
100%
Accurate 2015
<<locked>>
81%
51372
79%
**38
100%
Accurate 2200
<<locked>>
81%
47674
73%
**12
96%
Accurate 2230
<<locked>>
81%
54839
84%
**46
100%
Accurate 2460
<<locked>>
81%
54708
84%
**50
100%
Accurate 2495
<<locked>>
81%
46499
72%
**15
100%
Accurate 2520
<<locked>>
81%
47529
73%
**55
100%
[Accurate 2700]*
<<locked>>
84%
41118
63%
**05
90%
Accurate 4064
<<locked>>
81%
39160
60%
**68
99%
[Accurate 4350]*
<<locked>>
83%
31169
48%
**90
90%
Alliant AR-Comp
<<locked>>
81%
47761
73%
**32
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37942
58%
**41
96%
Alliant Reloder-10x
<<locked>>
81%
55187
85%
**23
100%
Alliant Reloder-15
<<locked>>
81%
40930
63%
**23
96%
[Alliant Reloder-16]*
<<locked>>
84%
32387
50%
**23
90%
[Alliant Reloder-17]*
<<locked>>
81%
33011
51%
**76
93%
[Alliant Reloder-23]*
<<locked>>
91%
29008
45%
**22
90%
[Alliant Reloder-26]*
<<locked>>
94%
35157
54%
**61
90%
Baschieri & Pellagri 106
<<locked>>
81%
57116
88%
**78
100%
Baschieri & Pellagri 107
<<locked>>
81%
44599
69%
**96
96%
Hodgdon BL-C2
<<locked>>
81%
47572
73%
**68
99%
Hodgdon Benchmark
<<locked>>
81%
49472
76%
**28
99%
[Hodgdon CFE223]*
<<locked>>
81%
39363
61%
**04
94%
Hodgdon H322
<<locked>>
81%
50531
78%
**94
100%
Hodgdon H335
<<locked>>
81%
59408
91%
**42
100%
[Hodgdon H380]*
<<locked>>
81%
38522
59%
**31
93%
[Hodgdon H414]*
<<locked>>
85%
39189
60%
**87
90%
Hodgdon H4198
<<locked>>
81%
59495
92%
**66
100%
[Hodgdon H4350]*
<<locked>>
92%
41234
63%
**77
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
27949
43%
**43
90%
[Hodgdon LVR]*
<<locked>>
82%
33591
52%
**36
90%
[Hodgdon Superperformance]*
<<locked>>
89%
41452
64%
**56
90%
[Hodgdon VARGET]*
<<locked>>
81%
38218
59%
**12
94%
Hodgdon TrailBoss
<<locked>>
81%
26658
41%
**52
100%
IMR 3031
<<locked>>
81%
41220
63%
**40
100%
IMR 4064
<<locked>>
81%
37695
58%
**95
95%
[IMR 4166 Enduron]*
<<locked>>
82%
38754
60%
**82
90%
IMR 4198
<<locked>>
81%
55071
85%
**84
100%
[IMR 4350]*
<<locked>>
90%
40857
63%
**71
90%
[IMR 4451 Enduron]*
<<locked>>
84%
39175
60%
**15
90%
[IMR 4831]*
<<locked>>
87%
31183
48%
**64
90%
IMR 4895
<<locked>>
81%
41989
65%
**56
97%
IMR 8208 XBR
<<locked>>
81%
47630
73%
**25
99%
Lovex D073.4
<<locked>>
81%
56681
87%
**66
100%
Lovex D073.5
<<locked>>
81%
54085
83%
**27
100%
Lovex D073.6
<<locked>>
81%
44295
68%
**76
99%
Lovex S060
<<locked>>
81%
45397
70%
**40
98%
Lovex S062
<<locked>>
81%
40176
62%
**74
98%
[Lovex S065]*
<<locked>>
82%
34505
53%
**97
90%
[Lovex S070]*
<<locked>>
87%
38072
59%
**02
90%
Norma 201
<<locked>>
81%
44309
68%
**63
98%
Norma 202
<<locked>>
81%
44759
69%
**79
100%
Norma 203B
<<locked>>
81%
40451
62%
**14
96%
[Norma 204]*
<<locked>>
94%
45542
70%
**09
90%
[Norma URP]*
<<locked>>
83%
31720
49%
**97
90%
Ramshot Big Game
<<locked>>
81%
40118
62%
**10
96%
[Ramshot Hunter]*
<<locked>>
88%
36782
57%
**25
90%
Ramshot TAC
<<locked>>
81%
47630
73%
**19
95%
Ramshot Wild Boar
<<locked>>
81%
47239
73%
**48
98%
Ramshot X-Terminator
<<locked>>
81%
51488
79%
**81
99%
ReloadSwiss RS 14
<<locked>>
81%
26876
41%
**95
100%
ReloadSwiss RS 40
<<locked>>
81%
53693
83%
**37
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
39392
61%
**22
91%
ReloadSwiss RS 52
<<locked>>
81%
39160
60%
**17
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
32126
49%
**46
93%
[ReloadSwiss RS 62]*
<<locked>>
85%
32619
50%
**40
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
35723
55%
**18
90%
Rottweil R 901
<<locked>>
81%
48573
75%
**28
100%
Rottweil R 902
<<locked>>
81%
42105
65%
**00
98%
Rottweil R 903
<<locked>>
81%
35505
55%
**79
95%
[Rottweil R 907]*
<<locked>>
86%
40640
63%
**45
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
60118
93%
**68
100%
SNPE Vectan SP 10
<<locked>>
81%
60205
93%
**51
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
36608
56%
**22
94%
SNPE Vectan SP 7
<<locked>>
81%
45963
71%
**86
96%
SNPE Vectan SP 9
<<locked>>
81%
43787
67%
**59
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
45847
71%
**23
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37985
58%
**49
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
37826
58%
**40
90%
[Shooters World Long Rifle]*
<<locked>>
82%
34505
53%
**97
90%
Shooters World Match Rifle
<<locked>>
81%
44295
68%
**76
99%
Shooters World Precision
<<locked>>
81%
40176
62%
**74
98%
Shooters World Tactical Rifle
<<locked>>
81%
57058
88%
**63
100%
Somchem S321
<<locked>>
81%
51692
80%
**17
100%
Somchem S335
<<locked>>
81%
45223
70%
**20
100%
Somchem S341
<<locked>>
81%
45513
70%
**79
97%
Somchem S355
<<locked>>
81%
36172
56%
**86
95%
[Somchem S365]*
<<locked>>
81%
26310
40%
**36
91%
Vihtavuori N120
<<locked>>
81%
59176
91%
**58
100%
Vihtavuori N130
<<locked>>
81%
50531
78%
**96
100%
Vihtavuori N133
<<locked>>
81%
43192
66%
**61
100%
Vihtavuori N135
<<locked>>
81%
34940
54%
**33
100%
Vihtavuori N140
<<locked>>
81%
41669
64%
**87
100%
Vihtavuori N150
<<locked>>
81%
30777
47%
**05
95%
[Vihtavuori N160]*
<<locked>>
81%
31966
49%
**64
90%
Vihtavuori N530
<<locked>>
81%
50328
77%
**01
99%
Vihtavuori N540
<<locked>>
81%
41611
64%
**04
99%
[Vihtavuori N550]*
<<locked>>
81%
32184
50%
**04
90%
[Vihtavuori N555]*
<<locked>>
90%
30037
46%
**81
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
30908
48%
**05
93%
Winchester 748
<<locked>>
81%
51213
79%
**43
100%
[Winchester 760]*
<<locked>>
85%
39189
60%
**87
90%
Winchester StaBALL Match
<<locked>>
81%
54810
84%
**92
99%

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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