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Load data for .280 Ackley Improved + .284 | 100gr | H&N RN HS

Recommended Powder(s):

.280 Ackley Improved + .284 | 100gr | H&N RN HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 100gr | H&N RN HS
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B7405_C285
Last updated:
2026-03-24

Load data for 198 loads in caliber .280 Ackley Improved with .284 | 100gr | H&N RN HS bullet and 99 powder(s). 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>>
90%
58131
89%
**65
99%
ADI AR 2208
<<locked>>
95%
57899
89%
**38
99%
ADI Benchmark 8208
<<locked>>
88%
58262
90%
**28
100%
Accurate 2015
<<locked>>
86%
57986
89%
**56
100%
Accurate 2200
<<locked>>
88%
57667
89%
**12
98%
Accurate 2230
<<locked>>
84%
58436
90%
**19
100%
Accurate 2460
<<locked>>
84%
57870
89%
**02
100%
Accurate 2495
<<locked>>
89%
58276
90%
**35
100%
Accurate 2520
<<locked>>
88%
58378
90%
**51
100%
Accurate 2700
<<locked>>
95%
57566
89%
**43
95%
Accurate 4064
<<locked>>
95%
57899
89%
**35
100%
Accurate 4350
<<locked>>
97%
47514
73%
**07
97%
Alliant AR-Comp
<<locked>>
88%
57653
89%
**96
100%
Alliant Power Pro 2000-MR
<<locked>>
92%
58015
89%
**93
99%
Alliant Reloder- TS 15.5
<<locked>>
95%
57740
89%
**58
100%
Alliant Reloder-10x
<<locked>>
84%
57928
89%
**79
100%
Alliant Reloder-15
<<locked>>
93%
57566
89%
**68
99%
Alliant Reloder-16
<<locked>>
97%
46804
72%
**33
97%
Alliant Reloder-17
<<locked>>
97%
54505
84%
**01
100%
[Alliant Reloder-23]*
<<locked>>
97%
32532
50%
**59
93%
Baschieri & Pellagri 107
<<locked>>
90%
58073
89%
**74
99%
Bofors RP3
<<locked>>
95%
58001
89%
**68
100%
Bofors RP7
<<locked>>
97%
53983
83%
**50
95%
Hodgdon BL-C2
<<locked>>
88%
58146
89%
**78
100%
Hodgdon Benchmark
<<locked>>
87%
57928
89%
**86
100%
Hodgdon CFE223
<<locked>>
93%
58276
90%
**97
99%
Hodgdon H322
<<locked>>
86%
57856
89%
**28
100%
Hodgdon H380
<<locked>>
94%
57769
89%
**58
98%
Hodgdon H414
<<locked>>
97%
57290
88%
**88
96%
[Hodgdon H4350]*
<<locked>>
97%
45020
69%
**82
92%
Hodgdon H4895
<<locked>>
89%
57711
89%
**61
100%
Hodgdon Hybrid 100V
<<locked>>
97%
43149
66%
**96
98%
Hodgdon LVR
<<locked>>
97%
52272
80%
**92
97%
[Hodgdon Superperformance]*
<<locked>>
97%
52170
80%
**15
94%
Hodgdon VARGET
<<locked>>
96%
58334
90%
**42
99%
Hodgdon TrailBoss
<<locked>>
96%
32866
51%
**19
100%
IMR 3031
<<locked>>
93%
58450
90%
**65
100%
IMR 4064
<<locked>>
96%
57740
89%
**32
99%
IMR 4166 Enduron
<<locked>>
96%
57769
89%
**96
96%
IMR 4198
<<locked>>
84%
57841
89%
**40
100%
[IMR 4350]*
<<locked>>
97%
48399
74%
**48
93%
IMR 4451 Enduron
<<locked>>
97%
56478
87%
**99
96%
[IMR 4831]*
<<locked>>
97%
39726
61%
**17
94%
IMR 4895 👍
<<locked>>
92%
58189
90%
**94
99%
IMR 8208 XBR
<<locked>>
88%
58262
90%
**28
100%
Lovex D073.5
<<locked>>
84%
58189
90%
**15
100%
Lovex D073.6
<<locked>>
90%
57769
89%
**32
100%
Lovex S060
<<locked>>
90%
58030
89%
**99
99%
Lovex S062
<<locked>>
94%
58073
89%
**35
100%
Lovex S065
<<locked>>
97%
51721
80%
**20
96%
Lovex S070
<<locked>>
97%
49864
77%
**97
95%
Norma 201
<<locked>>
91%
58349
90%
**38
100%
Norma 202
<<locked>>
90%
58262
90%
**28
100%
Norma 203B 👍
<<locked>>
94%
58436
90%
**91
100%
Norma URP
<<locked>>
97%
47863
74%
**10
97%
Ramshot Big Game 👍
<<locked>>
92%
57551
89%
**78
99%
[Ramshot Hunter]*
<<locked>>
97%
46572
72%
**87
94%
Ramshot TAC
<<locked>>
88%
58059
89%
**35
98%
Ramshot Wild Boar
<<locked>>
88%
57827
89%
**55
99%
Ramshot X-Terminator
<<locked>>
86%
58276
90%
**15
99%
ReloadSwiss RS 14
<<locked>>
97%
33518
52%
**78
100%
ReloadSwiss RS 40
<<locked>>
85%
58247
90%
**35
100%
ReloadSwiss RS 50
<<locked>>
94%
58421
90%
**42
97%
ReloadSwiss RS 52 👍
<<locked>>
90%
57812
89%
**43
99%
ReloadSwiss RS 60 👍
<<locked>>
97%
58146
89%
**83
100%
ReloadSwiss RS 62
<<locked>>
97%
47485
73%
**30
96%
ReloadSwiss RS 70
<<locked>>
97%
48196
74%
**63
96%
Rottweil R 901
<<locked>>
89%
58059
89%
**12
100%
Rottweil R 902
<<locked>>
92%
57986
89%
**15
100%
Rottweil R 903
<<locked>>
97%
57870
89%
**61
100%
Rottweil R 907
<<locked>>
97%
53983
83%
**50
95%
SNPE Vectan SP 11
<<locked>>
96%
58247
90%
**91
99%
SNPE Vectan SP 7
<<locked>>
89%
57957
89%
**25
98%
SNPE Vectan SP 9
<<locked>>
90%
57769
89%
**48
99%
SNPE Vectan Tubal 3000
<<locked>>
90%
58450
90%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
57812
89%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
52765
81%
**74
95%
Shooters World Long Rifle
<<locked>>
97%
51721
80%
**20
96%
Shooters World Match Rifle
<<locked>>
90%
57769
89%
**32
100%
Shooters World Precision
<<locked>>
94%
58073
89%
**35
100%
Somchem S321
<<locked>>
85%
57551
89%
**38
100%
Somchem S335
<<locked>>
90%
57653
89%
**40
100%
Somchem S341
<<locked>>
89%
58436
90%
**38
99%
Somchem S355
<<locked>>
97%
57522
89%
**51
100%
Somchem S365
<<locked>>
97%
42380
65%
**38
99%
Vihtavuori N130
<<locked>>
86%
57551
89%
**10
100%
Vihtavuori N133
<<locked>>
92%
58131
89%
**40
100%
Vihtavuori N135
<<locked>>
97%
55042
85%
**46
100%
Vihtavuori N140
<<locked>>
92%
57885
89%
**89
100%
Vihtavuori N150
<<locked>>
97%
48718
75%
**48
99%
Vihtavuori N160
<<locked>>
97%
53040
82%
**76
98%
Vihtavuori N530
<<locked>>
87%
58291
90%
**45
100%
Vihtavuori N540
<<locked>>
93%
58291
90%
**22
100%
Vihtavuori N550
<<locked>>
97%
53069
82%
**15
98%
[Vihtavuori N555]*
<<locked>>
97%
34896
54%
**41
93%
Winchester 6.5 StaBALL
<<locked>>
97%
51329
79%
**07
99%
Winchester 748
<<locked>>
86%
58305
90%
**81
100%
Winchester 760
<<locked>>
97%
57290
88%
**88
96%
Winchester StaBALL Match
<<locked>>
83%
57740
89%
**55
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
43221
67%
**69
97%
[ADI AR 2208]*
<<locked>>
81%
36695
56%
**76
94%
ADI Benchmark 8208
<<locked>>
81%
45542
70%
**92
99%
Accurate 2015
<<locked>>
81%
48573
75%
**12
100%
Accurate 2200
<<locked>>
81%
45426
70%
**86
96%
Accurate 2230
<<locked>>
81%
52214
80%
**07
99%
Accurate 2460
<<locked>>
81%
51764
80%
**04
100%
Accurate 2495
<<locked>>
81%
42902
66%
**66
100%
Accurate 2520
<<locked>>
81%
44889
69%
**02
100%
[Accurate 2700]*
<<locked>>
86%
41553
64%
**31
90%
Accurate 4064
<<locked>>
81%
35882
55%
**05
99%
[Accurate 4350]*
<<locked>>
86%
31691
49%
**07
90%
Alliant AR-Comp
<<locked>>
81%
45397
70%
**99
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
39523
61%
**82
94%
Alliant Reloder- TS 15.5
<<locked>>
81%
35781
55%
**99
96%
Alliant Reloder-10x
<<locked>>
81%
52750
81%
**97
100%
Alliant Reloder-15
<<locked>>
81%
38740
60%
**71
95%
[Alliant Reloder-16]*
<<locked>>
85%
31995
49%
**23
90%
[Alliant Reloder-17]*
<<locked>>
81%
30922
48%
**17
92%
[Alliant Reloder-23]*
<<locked>>
93%
29037
45%
**31
90%
Baschieri & Pellagri 107
<<locked>>
81%
42627
66%
**59
96%
Bofors RP3
<<locked>>
81%
35230
54%
**92
96%
[Bofors RP7]*
<<locked>>
88%
40625
63%
**51
90%
Hodgdon BL-C2
<<locked>>
81%
45107
69%
**32
99%
Hodgdon Benchmark
<<locked>>
81%
47442
73%
**99
99%
[Hodgdon CFE223]*
<<locked>>
81%
37376
58%
**68
94%
Hodgdon H322
<<locked>>
81%
48486
75%
**68
100%
[Hodgdon H380]*
<<locked>>
81%
36129
56%
**82
92%
[Hodgdon H414]*
<<locked>>
86%
38783
60%
**97
90%
[Hodgdon H4350]*
<<locked>>
94%
41060
63%
**91
90%
Hodgdon H4895
<<locked>>
81%
43584
67%
**89
98%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
27630
43%
**53
90%
[Hodgdon LVR]*
<<locked>>
84%
33576
52%
**53
90%
[Hodgdon Superperformance]*
<<locked>>
91%
41713
64%
**69
90%
[Hodgdon VARGET]*
<<locked>>
81%
36303
56%
**69
94%
Hodgdon TrailBoss
<<locked>>
81%
25991
40%
**46
100%
IMR 3031
<<locked>>
81%
39015
60%
**10
100%
[IMR 4064]*
<<locked>>
81%
35752
55%
**49
94%
[IMR 4166 Enduron]*
<<locked>>
83%
38638
59%
**82
90%
IMR 4198
<<locked>>
81%
53272
82%
**71
100%
[IMR 4350]*
<<locked>>
92%
40799
63%
**74
90%
[IMR 4451 Enduron]*
<<locked>>
85%
39146
60%
**25
90%
[IMR 4831]*
<<locked>>
89%
30850
47%
**71
90%
IMR 4895
<<locked>>
81%
39755
61%
**20
96%
IMR 8208 XBR
<<locked>>
81%
45542
70%
**92
99%
Lovex D073.5
<<locked>>
81%
51329
79%
**97
100%
Lovex D073.6
<<locked>>
81%
41684
64%
**33
99%
Lovex S060
<<locked>>
81%
43352
67%
**07
97%
Lovex S062
<<locked>>
81%
37797
58%
**18
97%
[Lovex S065]*
<<locked>>
84%
34447
53%
**04
90%
[Lovex S070]*
<<locked>>
89%
38087
59%
**18
90%
Norma 201
<<locked>>
81%
41655
64%
**07
98%
Norma 202
<<locked>>
81%
42337
65%
**33
100%
Norma 203B
<<locked>>
81%
38029
59%
**54
95%
[Norma URP]*
<<locked>>
85%
31604
49%
**00
90%
Ramshot Big Game
<<locked>>
81%
37927
58%
**71
95%
[Ramshot Hunter]*
<<locked>>
90%
36811
57%
**38
90%
Ramshot TAC
<<locked>>
81%
45614
70%
**82
95%
Ramshot Wild Boar
<<locked>>
81%
45165
70%
**12
97%
Ramshot X-Terminator
<<locked>>
81%
49371
76%
**51
98%
ReloadSwiss RS 14
<<locked>>
81%
26063
40%
**88
100%
ReloadSwiss RS 40
<<locked>>
81%
51503
79%
**07
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
37028
57%
**76
90%
ReloadSwiss RS 52
<<locked>>
81%
40640
63%
**89
95%
ReloadSwiss RS 60
<<locked>>
81%
33054
51%
**09
96%
[ReloadSwiss RS 62]*
<<locked>>
86%
32343
50%
**43
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
35723
55%
**28
90%
Rottweil R 901
<<locked>>
81%
45194
70%
**69
100%
Rottweil R 902
<<locked>>
81%
39537
61%
**45
97%
[Rottweil R 903]*
<<locked>>
81%
32735
50%
**07
94%
[Rottweil R 907]*
<<locked>>
88%
40625
63%
**51
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
34345
53%
**72
93%
SNPE Vectan SP 7
<<locked>>
81%
43439
67%
**46
95%
SNPE Vectan SP 9
<<locked>>
81%
41785
64%
**20
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
43613
67%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35998
55%
**10
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
38000
58%
**49
90%
[Shooters World Long Rifle]*
<<locked>>
84%
34447
53%
**04
90%
Shooters World Match Rifle
<<locked>>
81%
41684
64%
**33
99%
Shooters World Precision
<<locked>>
81%
37797
58%
**18
97%
Somchem S321
<<locked>>
81%
49211
76%
**78
99%
Somchem S335
<<locked>>
81%
42989
66%
**84
100%
Somchem S341
<<locked>>
81%
43352
67%
**53
97%
[Somchem S355]*
<<locked>>
81%
33750
52%
**30
94%
[Somchem S365]*
<<locked>>
83%
25715
40%
**33
90%
Vihtavuori N130
<<locked>>
81%
48370
74%
**73
100%
Vihtavuori N133
<<locked>>
81%
40886
63%
**28
100%
Vihtavuori N135
<<locked>>
81%
32619
50%
**87
99%
Vihtavuori N140
<<locked>>
81%
39523
61%
**45
99%
[Vihtavuori N150]*
<<locked>>
81%
28631
44%
**49
93%
[Vihtavuori N160]*
<<locked>>
83%
31923
49%
**67
90%
Vihtavuori N530
<<locked>>
81%
48080
74%
**64
99%
Vihtavuori N540
<<locked>>
81%
39421
61%
**58
99%
[Vihtavuori N550]*
<<locked>>
83%
32082
49%
**07
90%
[Vihtavuori N555]*
<<locked>>
93%
30342
47%
**07
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28848
44%
**46
91%
Winchester 748
<<locked>>
81%
48834
75%
**07
100%
[Winchester 760]*
<<locked>>
86%
38783
60%
**97
90%
Winchester StaBALL Match
<<locked>>
81%
52504
81%
**60
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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