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Load data for .280 Ackley Improved + .284 | 158gr | Sellier & Bellot XRG

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.280 Ackley Improved + .284 | 158gr | Sellier & Bellot XRG

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 158gr | Sellier & Bellot XRG
Manufacturer SKU:
2968
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.335" | 33.9mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.595" | 15.1mm
Shank Seated Depth:
0.595" | 15.1mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B7218_C285
Last updated:
2025-01-01

Load data for 170 loads in caliber .280 Ackley Improved with .284 | 158gr | Sellier & Bellot XRG bullet and 85 powders such as Alliant Reloder-26, Hodgdon Superperformance, 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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  • .

    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 2208
<<locked>>
87%
57812
89%
**82
100%
ADI AR 2209
<<locked>>
97%
55216
85%
**44
98%
ADI AR 2213
<<locked>>
97%
49908
77%
**72
96%
[ADI AR 2225]*
<<locked>>
97%
32242
50%
**28
92%
Accurate 2700
<<locked>>
88%
58378
90%
**53
99%
Accurate 3100
<<locked>>
97%
48776
75%
**00
99%
Accurate 4064
<<locked>>
85%
57464
88%
**46
100%
Accurate 4350
<<locked>>
92%
57899
89%
**48
100%
[Accurate MAGPRO]*
<<locked>>
97%
47848
74%
**62
93%
Alliant Reloder- TS 15.5
<<locked>>
86%
57493
88%
**85
100%
Alliant Reloder-15
<<locked>>
85%
58465
90%
**18
100%
Alliant Reloder-16
<<locked>>
94%
58146
89%
**00
100%
Alliant Reloder-17
<<locked>>
89%
57827
89%
**00
100%
Alliant Reloder-19
<<locked>>
97%
54723
84%
**28
98%
Alliant Reloder-22
<<locked>>
97%
48994
75%
**85
97%
Alliant Reloder-23
<<locked>>
97%
46383
71%
**26
100%
Alliant Reloder-25
<<locked>>
97%
40059
62%
**31
98%
Alliant Reloder-26 👍
<<locked>>
97%
52605
81%
**04
100%
Hodgdon CFE223
<<locked>>
84%
57696
89%
**41
100%
Hodgdon H380
<<locked>>
86%
57783
89%
**05
100%
Hodgdon H414
<<locked>>
89%
58407
90%
**81
100%
Hodgdon H4350
<<locked>>
96%
58131
89%
**18
99%
[Hodgdon H4831]*
<<locked>>
97%
46427
71%
**61
94%
Hodgdon H4831 SC
<<locked>>
97%
52359
81%
**62
96%
Hodgdon Hybrid 100V
<<locked>>
96%
58059
89%
**15
100%
Hodgdon LVR
<<locked>>
91%
57769
89%
**51
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32242
50%
**28
92%
Hodgdon Superperformance 👍
<<locked>>
91%
58436
90%
**10
100%
Hodgdon VARGET
<<locked>>
87%
58160
90%
**85
100%
Hodgdon TrailBoss
<<locked>>
96%
34795
54%
**83
100%
IMR 3031
<<locked>>
84%
58436
90%
**59
100%
IMR 4064
<<locked>>
88%
58088
89%
**72
100%
IMR 4166 Enduron
<<locked>>
88%
57667
89%
**66
99%
IMR 4350
<<locked>>
94%
58146
89%
**18
99%
IMR 4451 Enduron
<<locked>>
89%
57696
89%
**89
99%
IMR 4831
<<locked>>
97%
56072
86%
**08
100%
IMR 4895
<<locked>>
84%
57928
89%
**18
100%
IMR 4955 Enduron
<<locked>>
97%
51256
79%
**10
96%
IMR 7828 SSC
<<locked>>
97%
51169
79%
**12
96%
Lovex S062
<<locked>>
85%
58320
90%
**69
100%
Lovex S065
<<locked>>
92%
58117
89%
**95
100%
Lovex S070
<<locked>>
93%
58059
89%
**18
100%
Lovex S071
<<locked>>
97%
41466
64%
**66
98%
Norma 203B
<<locked>>
85%
57638
89%
**02
100%
Norma 204
<<locked>>
94%
58349
90%
**64
99%
Norma MRP
<<locked>>
97%
51184
79%
**51
99%
Norma URP
<<locked>>
93%
57870
89%
**54
100%
Ramshot Big Game
<<locked>>
84%
58073
89%
**22
100%
Ramshot Hunter 👍
<<locked>>
94%
58030
89%
**77
100%
Ramshot Magnum
<<locked>>
97%
47195
73%
**30
98%
ReloadSwiss RS 14
<<locked>>
96%
35346
54%
**19
100%
ReloadSwiss RS 50
<<locked>>
86%
57682
89%
**95
100%
ReloadSwiss RS 52
<<locked>>
84%
57885
89%
**22
100%
ReloadSwiss RS 60
<<locked>>
90%
57841
89%
**13
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
57624
89%
**67
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
58407
90%
**36
100%
ReloadSwiss RS 76
<<locked>>
97%
39305
60%
**51
96%
Rottweil R 902
<<locked>>
84%
57609
89%
**40
100%
Rottweil R 903
<<locked>>
88%
57885
89%
**92
100%
Rottweil R 904
<<locked>>
97%
57508
89%
**18
98%
Rottweil R 905
<<locked>>
97%
54201
83%
**22
98%
Rottweil R 907
<<locked>>
90%
58044
89%
**95
99%
SNPE Vectan SP 11
<<locked>>
87%
57798
89%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
58363
90%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
57885
89%
**49
99%
Shooters World Long Rifle
<<locked>>
92%
58117
89%
**95
100%
Shooters World Precision
<<locked>>
85%
58320
90%
**69
100%
Somchem S355
<<locked>>
88%
57609
89%
**82
100%
Somchem S361
<<locked>>
96%
57870
89%
**89
97%
Somchem S365
<<locked>>
96%
57725
89%
**58
100%
Somchem S385
<<locked>>
97%
54955
85%
**99
99%
Vihtavuori N133
<<locked>>
84%
58030
89%
**51
100%
Vihtavuori N135
<<locked>>
89%
57798
89%
**00
100%
Vihtavuori N140
<<locked>>
84%
58117
89%
**17
100%
Vihtavuori N150
<<locked>>
93%
57841
89%
**43
100%
Vihtavuori N160
<<locked>>
91%
57522
89%
**12
100%
Vihtavuori N165
<<locked>>
97%
45905
71%
**38
97%
Vihtavuori N540
<<locked>>
84%
58436
90%
**49
100%
Vihtavuori N550
<<locked>>
91%
58407
90%
**58
100%
Vihtavuori N555
<<locked>>
97%
52098
80%
**02
100%
Vihtavuori N560
<<locked>>
97%
49226
76%
**99
95%
[Vihtavuori N565]*
<<locked>>
97%
41466
64%
**44
93%
Winchester 6.5 StaBALL
<<locked>>
92%
57682
89%
**85
100%
Winchester 760
<<locked>>
89%
58407
90%
**81
100%
Winchester StaBALL HD
<<locked>>
97%
40132
62%
**59
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48327
74%
**31
100%
[ADI AR 2209]*
<<locked>>
81%
33330
51%
**95
91%
[ADI AR 2213]*
<<locked>>
87%
35723
55%
**74
90%
[ADI AR 2225]*
<<locked>>
94%
29631
46%
**49
90%
Accurate 2700
<<locked>>
81%
46688
72%
**72
97%
[Accurate 3100]*
<<locked>>
81%
28964
45%
**83
93%
Accurate 4064
<<locked>>
81%
51227
79%
**57
100%
Accurate 4350
<<locked>>
81%
39189
60%
**39
99%
[Accurate MAGPRO]*
<<locked>>
91%
39740
61%
**95
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48805
75%
**57
100%
Alliant Reloder-15
<<locked>>
81%
52286
80%
**30
100%
Alliant Reloder-16
<<locked>>
81%
38203
59%
**49
99%
Alliant Reloder-17
<<locked>>
81%
43091
66%
**61
100%
[Alliant Reloder-19]*
<<locked>>
81%
33185
51%
**95
92%
[Alliant Reloder-22]*
<<locked>>
82%
30603
47%
**65
90%
Alliant Reloder-23
<<locked>>
81%
27978
43%
**06
97%
[Alliant Reloder-25]*
<<locked>>
82%
25483
39%
**24
90%
Alliant Reloder-26
<<locked>>
81%
29834
46%
**11
95%
Hodgdon CFE223
<<locked>>
81%
51329
79%
**46
100%
Hodgdon H380
<<locked>>
81%
49734
77%
**87
100%
Hodgdon H414
<<locked>>
81%
44759
69%
**57
98%
Hodgdon H4350
<<locked>>
81%
36941
57%
**41
95%
[Hodgdon H4831]*
<<locked>>
89%
36158
56%
**44
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
36158
56%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35737
55%
**44
99%
Hodgdon LVR
<<locked>>
81%
41959
65%
**79
99%
[Hodgdon Retumbo]*
<<locked>>
94%
29631
46%
**49
90%
Hodgdon Superperformance
<<locked>>
81%
40132
62%
**95
96%
Hodgdon VARGET
<<locked>>
81%
48008
74%
**28
100%
Hodgdon TrailBoss
<<locked>>
92%
32634
50%
**40
100%
IMR 3031
<<locked>>
81%
53722
83%
**00
100%
IMR 4064
<<locked>>
81%
47442
73%
**12
100%
IMR 4166 Enduron
<<locked>>
81%
46644
72%
**92
98%
IMR 4350
<<locked>>
81%
38754
60%
**77
95%
IMR 4451 Enduron
<<locked>>
81%
44570
69%
**72
97%
IMR 4831
<<locked>>
81%
34316
53%
**15
98%
IMR 4895
<<locked>>
81%
53548
82%
**53
100%
[IMR 4955 Enduron]*
<<locked>>
84%
35360
54%
**98
90%
[IMR 7828 SSC]*
<<locked>>
86%
35331
54%
**80
90%
Lovex S062
<<locked>>
81%
51242
79%
**71
100%
Lovex S065
<<locked>>
81%
42279
65%
**33
98%
Lovex S070
<<locked>>
81%
40654
63%
**16
97%
[Lovex S071]*
<<locked>>
81%
24932
38%
**62
91%
Norma 203B
<<locked>>
81%
51488
79%
**13
100%
[Norma 204]*
<<locked>>
81%
38290
59%
**03
94%
[Norma MRP]*
<<locked>>
81%
30298
47%
**82
92%
Norma URP
<<locked>>
81%
39088
60%
**33
99%
Ramshot Big Game
<<locked>>
81%
51808
80%
**40
100%
Ramshot Hunter
<<locked>>
81%
37652
58%
**20
97%
[Ramshot Magnum]*
<<locked>>
84%
30153
46%
**46
90%
ReloadSwiss RS 14
<<locked>>
88%
31749
49%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
49777
77%
**74
99%
ReloadSwiss RS 52
<<locked>>
81%
51343
79%
**30
100%
ReloadSwiss RS 60
<<locked>>
81%
41800
64%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
39030
60%
**52
98%
ReloadSwiss RS 70
<<locked>>
81%
37695
58%
**59
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
30313
47%
**95
90%
Rottweil R 902
<<locked>>
81%
52982
82%
**74
100%
Rottweil R 903
<<locked>>
81%
46717
72%
**21
100%
[Rottweil R 904]*
<<locked>>
81%
34795
54%
**88
91%
[Rottweil R 905]*
<<locked>>
81%
32300
50%
**82
91%
Rottweil R 907
<<locked>>
81%
43250
67%
**46
97%
SNPE Vectan SP 11
<<locked>>
81%
47529
73%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47543
73%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41379
64%
**80
97%
Shooters World Long Rifle
<<locked>>
81%
42279
65%
**33
98%
Shooters World Precision
<<locked>>
81%
51242
79%
**71
100%
Somchem S355
<<locked>>
81%
46601
72%
**15
100%
[Somchem S361]*
<<locked>>
81%
35853
55%
**88
90%
Somchem S365
<<locked>>
81%
35273
54%
**84
100%
[Somchem S385]*
<<locked>>
81%
32663
50%
**69
93%
Vihtavuori N133
<<locked>>
81%
53417
82%
**92
100%
Vihtavuori N135
<<locked>>
81%
45556
70%
**26
100%
Vihtavuori N140
<<locked>>
81%
52663
81%
**44
100%
Vihtavuori N150
<<locked>>
81%
40001
62%
**70
100%
Vihtavuori N160
<<locked>>
81%
41843
64%
**59
99%
[Vihtavuori N165]*
<<locked>>
83%
29196
45%
**67
90%
Vihtavuori N540
<<locked>>
81%
52083
80%
**61
100%
Vihtavuori N550
<<locked>>
81%
42641
66%
**98
99%
Vihtavuori N555
<<locked>>
81%
30966
48%
**85
97%
[Vihtavuori N560]*
<<locked>>
87%
35824
55%
**13
90%
[Vihtavuori N565]*
<<locked>>
91%
34301
53%
**80
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39537
61%
**03
100%
Winchester 760
<<locked>>
81%
44759
69%
**57
98%
Winchester StaBALL HD
<<locked>>
81%
24743
38%
**80
95%

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.

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