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Load data for .280 Rem. + .284 | 145gr | Speer Boat Tail Soft Point

Recommended Powder(s): Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550

.280 Rem. + .284 | 145gr | Speer Boat Tail Soft Point

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 145gr | Speer Boat Tail Soft Point
Manufacturer SKU:
1628
Bullet Weight:
145gr | 9.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.165" | 29.6mm
Caliber:
.280 Rem. load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.425" | 10.8mm
Shank Seated Depth:
0.275" | 7.0mm
Case Capacity:
67.9 Grains of Water | 4.41 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58740 psi | 4050 bar
LID:
LID_B6124_C289
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 154 loads in caliber .280 Rem. with .284 | 145gr | Speer Boat Tail Soft Point bullet and 77 powders such as Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550. 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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  • 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 2208
<<locked>>
87%
52475
89%
**92
100%
ADI AR 2209
<<locked>>
97%
49066
84%
**12
95%
Accurate 2700
<<locked>>
88%
51967
88%
**33
97%
Accurate 3100
<<locked>>
97%
41930
71%
**64
97%
Accurate 4064
<<locked>>
86%
52750
90%
**79
100%
Accurate 4350
<<locked>>
94%
51982
89%
**58
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
52663
90%
**15
100%
Alliant Reloder-15
<<locked>>
85%
52547
89%
**28
100%
Alliant Reloder-16 👍
<<locked>>
95%
52214
89%
**04
100%
Alliant Reloder-17
<<locked>>
91%
52779
90%
**27
100%
Alliant Reloder-19
<<locked>>
97%
48153
82%
**02
95%
[Alliant Reloder-22]*
<<locked>>
97%
41843
71%
**17
93%
Alliant Reloder-23
<<locked>>
97%
40190
68%
**97
99%
[Alliant Reloder-25]*
<<locked>>
97%
35143
60%
**82
94%
Alliant Reloder-26
<<locked>>
97%
44324
75%
**48
99%
Hodgdon CFE223
<<locked>>
85%
51924
88%
**48
100%
Hodgdon H380
<<locked>>
86%
52257
89%
**18
99%
Hodgdon H414
<<locked>>
90%
52779
90%
**81
98%
Hodgdon H4350
<<locked>>
96%
51808
88%
**02
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
45687
78%
**13
92%
Hodgdon Hybrid 100V
<<locked>>
97%
51721
88%
**18
100%
Hodgdon LVR
<<locked>>
92%
52736
90%
**64
99%
Hodgdon Superperformance
<<locked>>
92%
52272
89%
**97
98%
Hodgdon VARGET
<<locked>>
88%
52794
90%
**95
100%
Hodgdon TrailBoss
<<locked>>
96%
34011
58%
**19
100%
IMR 3031
<<locked>>
84%
52866
90%
**99
100%
IMR 4064
<<locked>>
88%
52359
89%
**85
100%
IMR 4166 Enduron
<<locked>>
88%
52344
89%
**69
98%
IMR 4350
<<locked>>
95%
52765
90%
**18
97%
IMR 4451 Enduron
<<locked>>
90%
52431
89%
**99
98%
IMR 4831
<<locked>>
97%
48892
83%
**95
99%
IMR 4895
<<locked>>
84%
52054
89%
**31
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45687
78%
**90
92%
[IMR 7828 SSC]*
<<locked>>
97%
44875
76%
**62
92%
Lovex S062
<<locked>>
86%
52446
89%
**79
100%
Lovex S065
<<locked>>
92%
52765
90%
**02
99%
Lovex S070
<<locked>>
93%
52344
89%
**15
98%
[Lovex S071]*
<<locked>>
97%
34809
59%
**03
94%
Norma 203B
<<locked>>
85%
52591
90%
**25
100%
Norma 204
<<locked>>
94%
52605
90%
**51
96%
Norma MRP
<<locked>>
97%
44179
75%
**99
96%
Norma URP 👍
<<locked>>
94%
52446
89%
**67
100%
Ramshot Big Game
<<locked>>
85%
52533
89%
**44
100%
Ramshot Hunter
<<locked>>
95%
52054
89%
**71
99%
[Ramshot Magnum]*
<<locked>>
97%
40770
69%
**64
93%
ReloadSwiss RS 14
<<locked>>
96%
34476
59%
**59
100%
ReloadSwiss RS 50
<<locked>>
86%
52373
89%
**99
98%
ReloadSwiss RS 52
<<locked>>
85%
52315
89%
**38
100%
ReloadSwiss RS 60
<<locked>>
92%
52707
90%
**46
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
52446
89%
**94
100%
ReloadSwiss RS 70
<<locked>>
94%
51953
88%
**20
99%
Rottweil R 902
<<locked>>
84%
52533
89%
**62
100%
Rottweil R 903
<<locked>>
89%
52707
90%
**22
100%
[Rottweil R 904]*
<<locked>>
97%
50256
86%
**82
94%
Rottweil R 905
<<locked>>
97%
46804
80%
**76
95%
Rottweil R 907
<<locked>>
91%
52765
90%
**95
97%
SNPE Vectan SP 11
<<locked>>
88%
52808
90%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
52272
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
52837
90%
**56
98%
Shooters World Long Rifle
<<locked>>
92%
52765
90%
**02
99%
Shooters World Precision
<<locked>>
86%
52446
89%
**79
100%
Somchem S355
<<locked>>
89%
52663
90%
**12
100%
[Somchem S361]*
<<locked>>
97%
52330
89%
**79
94%
Somchem S365 👍
<<locked>>
97%
51488
88%
**81
100%
Somchem S385
<<locked>>
97%
47355
81%
**59
96%
Vihtavuori N133
<<locked>>
84%
52417
89%
**80
100%
Vihtavuori N135
<<locked>>
89%
51982
89%
**23
100%
Vihtavuori N140
<<locked>>
84%
52417
89%
**36
100%
Vihtavuori N150
<<locked>>
94%
52359
89%
**72
100%
Vihtavuori N160
<<locked>>
92%
52620
90%
**28
100%
[Vihtavuori N165]*
<<locked>>
96%
39421
67%
**89
93%
Vihtavuori N540
<<locked>>
85%
52837
90%
**72
100%
Vihtavuori N550 👍
<<locked>>
92%
52837
90%
**67
100%
Vihtavuori N555
<<locked>>
97%
43903
75%
**66
99%
Winchester 6.5 StaBALL
<<locked>>
93%
52576
90%
**08
100%
Winchester 760
<<locked>>
90%
52779
90%
**81
98%
Winchester StaBALL HD
<<locked>>
97%
35781
61%
**03
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
43294
74%
**35
99%
[ADI AR 2209]*
<<locked>>
87%
35853
61%
**26
90%
[Accurate 2700]*
<<locked>>
81%
41698
71%
**46
94%
[Accurate 3100]*
<<locked>>
84%
27325
47%
**13
90%
Accurate 4064
<<locked>>
81%
45020
77%
**57
100%
Accurate 4350
<<locked>>
81%
33765
57%
**03
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
43381
74%
**61
100%
Alliant Reloder-15
<<locked>>
81%
46441
79%
**23
99%
Alliant Reloder-16
<<locked>>
81%
33591
57%
**13
96%
Alliant Reloder-17
<<locked>>
81%
37550
64%
**31
99%
[Alliant Reloder-19]*
<<locked>>
86%
34795
59%
**13
90%
[Alliant Reloder-22]*
<<locked>>
91%
34679
59%
**46
90%
[Alliant Reloder-23]*
<<locked>>
81%
24381
42%
**54
92%
[Alliant Reloder-25]*
<<locked>>
91%
29196
50%
**02
90%
[Alliant Reloder-26]*
<<locked>>
82%
26948
46%
**75
90%
Hodgdon CFE223
<<locked>>
81%
45208
77%
**40
99%
Hodgdon H380
<<locked>>
81%
43830
75%
**67
98%
Hodgdon H414
<<locked>>
81%
39015
66%
**21
95%
[Hodgdon H4350]*
<<locked>>
81%
32489
55%
**98
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
41756
71%
**35
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30980
53%
**08
97%
Hodgdon LVR
<<locked>>
81%
36782
63%
**59
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34998
60%
**36
92%
Hodgdon VARGET
<<locked>>
81%
43004
73%
**28
99%
Hodgdon TrailBoss
<<locked>>
88%
30269
52%
**47
100%
IMR 3031
<<locked>>
81%
47253
80%
**07
100%
IMR 4064
<<locked>>
81%
42496
72%
**12
99%
IMR 4166 Enduron
<<locked>>
81%
41974
71%
**72
95%
[IMR 4350]*
<<locked>>
81%
34185
58%
**48
92%
IMR 4451 Enduron
<<locked>>
81%
40030
68%
**56
95%
[IMR 4831]*
<<locked>>
81%
29544
50%
**79
94%
IMR 4895
<<locked>>
81%
47703
81%
**49
100%
[IMR 4955 Enduron]*
<<locked>>
93%
40509
69%
**85
90%
[IMR 7828 SSC]*
<<locked>>
94%
40306
69%
**64
90%
Lovex S062
<<locked>>
81%
45745
78%
**74
100%
Lovex S065
<<locked>>
81%
37376
64%
**03
95%
[Lovex S070]*
<<locked>>
81%
35795
61%
**90
94%
[Lovex S071]*
<<locked>>
89%
27325
47%
**13
90%
Norma 203B
<<locked>>
81%
45948
78%
**13
100%
[Norma 204]*
<<locked>>
83%
35621
61%
**10
90%
[Norma MRP]*
<<locked>>
87%
31850
54%
**97
90%
Norma URP
<<locked>>
81%
34026
58%
**03
96%
Ramshot Big Game
<<locked>>
81%
45716
78%
**30
99%
[Ramshot Hunter]*
<<locked>>
81%
33069
56%
**80
93%
[Ramshot Magnum]*
<<locked>>
92%
34722
59%
**20
90%
ReloadSwiss RS 14
<<locked>>
84%
29269
50%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
44295
75%
**51
97%
ReloadSwiss RS 52
<<locked>>
81%
45368
77%
**23
100%
ReloadSwiss RS 60
<<locked>>
81%
36564
62%
**28
99%
ReloadSwiss RS 62
<<locked>>
81%
33257
57%
**10
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33040
56%
**07
94%
Rottweil R 902
<<locked>>
81%
47427
81%
**80
100%
Rottweil R 903
<<locked>>
81%
40915
70%
**12
99%
[Rottweil R 904]*
<<locked>>
88%
37927
65%
**36
90%
[Rottweil R 905]*
<<locked>>
87%
33924
58%
**00
90%
[Rottweil R 907]*
<<locked>>
81%
38624
66%
**23
94%
SNPE Vectan SP 11
<<locked>>
81%
41959
71%
**67
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
42888
73%
**39
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36593
62%
**51
94%
Shooters World Long Rifle
<<locked>>
81%
37376
64%
**03
95%
Shooters World Precision
<<locked>>
81%
45745
78%
**74
100%
Somchem S355
<<locked>>
81%
41220
70%
**08
99%
[Somchem S361]*
<<locked>>
90%
41234
70%
**79
90%
Somchem S365
<<locked>>
81%
30327
52%
**54
98%
[Somchem S385]*
<<locked>>
84%
31488
54%
**11
90%
Vihtavuori N133
<<locked>>
81%
48051
82%
**12
100%
Vihtavuori N135
<<locked>>
81%
40292
69%
**36
100%
Vihtavuori N140
<<locked>>
81%
47152
80%
**61
100%
Vihtavuori N150
<<locked>>
81%
35433
60%
**64
99%
Vihtavuori N160
<<locked>>
81%
36782
63%
**33
97%
[Vihtavuori N165]*
<<locked>>
91%
33069
56%
**34
90%
Vihtavuori N540
<<locked>>
81%
46804
80%
**80
100%
Vihtavuori N550
<<locked>>
81%
37130
63%
**72
97%
[Vihtavuori N555]*
<<locked>>
81%
26281
45%
**36
93%
Winchester 6.5 StaBALL
<<locked>>
81%
35056
60%
**80
98%
Winchester 760
<<locked>>
81%
39015
66%
**21
95%
[Winchester StaBALL HD]*
<<locked>>
84%
23453
40%
**67
90%

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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