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

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

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 145gr | Speer Boat Tail Hollow Point
Manufacturer SKU:
1631
Bullet Weight:
145gr | 9.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.280 Rem. load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.410" | 10.4mm
Shank Seated Depth:
0.260" | 6.6mm
Case Capacity:
67.9 Grains of Water | 4.41 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58740 psi | 4050 bar
LID:
LID_B6123_C289
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 156 loads in caliber .280 Rem. with .284 | 145gr | Speer Boat Tail Hollow Point bullet and 78 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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    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%
52518
89%
**95
100%
ADI AR 2209
<<locked>>
97%
49023
83%
**12
95%
[ADI AR 2213]*
<<locked>>
97%
44396
76%
**36
92%
Accurate 2700
<<locked>>
88%
52112
89%
**36
97%
Accurate 3100
<<locked>>
97%
42061
72%
**67
97%
Accurate 4064
<<locked>>
86%
52794
90%
**82
100%
Accurate 4350
<<locked>>
93%
51967
88%
**54
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
52692
90%
**18
100%
Alliant Reloder-15
<<locked>>
85%
52605
90%
**31
100%
Alliant Reloder-16 👍
<<locked>>
95%
52228
89%
**07
100%
Alliant Reloder-17
<<locked>>
90%
52257
89%
**20
100%
Alliant Reloder-19
<<locked>>
97%
48109
82%
**02
95%
[Alliant Reloder-22]*
<<locked>>
97%
42670
73%
**43
94%
Alliant Reloder-23
<<locked>>
97%
40321
69%
**00
99%
[Alliant Reloder-25]*
<<locked>>
97%
35114
60%
**82
94%
Alliant Reloder-26
<<locked>>
97%
45034
77%
**58
99%
Hodgdon CFE223
<<locked>>
85%
52098
89%
**61
100%
Hodgdon H380
<<locked>>
86%
52431
89%
**25
99%
Hodgdon H414
<<locked>>
89%
51764
88%
**67
98%
Hodgdon H4350
<<locked>>
96%
51953
88%
**05
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
46383
79%
**33
92%
Hodgdon Hybrid 100V
<<locked>>
97%
51735
88%
**28
100%
Hodgdon LVR
<<locked>>
92%
52750
90%
**64
99%
Hodgdon Superperformance
<<locked>>
92%
51880
88%
**90
98%
Hodgdon VARGET
<<locked>>
88%
52852
90%
**99
100%
Hodgdon TrailBoss
<<locked>>
97%
34577
59%
**32
100%
IMR 3031
<<locked>>
84%
52040
89%
**82
100%
IMR 4064
<<locked>>
88%
52576
89%
**89
100%
IMR 4166 Enduron
<<locked>>
88%
52388
89%
**69
98%
IMR 4350
<<locked>>
94%
52750
90%
**22
98%
IMR 4451 Enduron
<<locked>>
90%
52736
90%
**05
98%
IMR 4831
<<locked>>
97%
49066
84%
**99
99%
IMR 4895
<<locked>>
84%
52127
89%
**35
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45672
78%
**90
92%
[IMR 7828 SSC]*
<<locked>>
97%
44817
76%
**62
92%
Lovex S062
<<locked>>
86%
52649
90%
**82
100%
Lovex S065
<<locked>>
92%
52765
90%
**02
99%
Lovex S070
<<locked>>
93%
52344
89%
**18
98%
[Lovex S071]*
<<locked>>
97%
34940
59%
**07
94%
Norma 203B
<<locked>>
85%
52794
90%
**28
100%
Norma 204
<<locked>>
94%
52547
89%
**51
96%
Norma MRP
<<locked>>
97%
44266
75%
**02
96%
Norma URP 👍
<<locked>>
94%
52446
89%
**67
100%
Ramshot Big Game
<<locked>>
85%
52547
89%
**44
100%
Ramshot Hunter
<<locked>>
95%
52040
89%
**81
99%
[Ramshot Magnum]*
<<locked>>
97%
41118
70%
**80
94%
ReloadSwiss RS 14
<<locked>>
97%
35041
60%
**72
100%
ReloadSwiss RS 50
<<locked>>
86%
52692
90%
**02
98%
ReloadSwiss RS 52
<<locked>>
85%
52359
89%
**41
100%
ReloadSwiss RS 60
<<locked>>
91%
52359
89%
**43
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
52417
89%
**94
100%
ReloadSwiss RS 70
<<locked>>
94%
52054
89%
**23
99%
Rottweil R 902
<<locked>>
84%
51967
88%
**59
100%
Rottweil R 903
<<locked>>
89%
52721
90%
**22
100%
Rottweil R 904
<<locked>>
97%
51169
87%
**92
95%
Rottweil R 905
<<locked>>
97%
47427
81%
**85
95%
Rottweil R 907
<<locked>>
91%
52779
90%
**95
97%
SNPE Vectan SP 11
<<locked>>
88%
52823
90%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
52301
89%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
52533
89%
**53
98%
Shooters World Long Rifle
<<locked>>
92%
52765
90%
**02
99%
Shooters World Precision
<<locked>>
86%
52649
90%
**82
100%
Somchem S355
<<locked>>
89%
52721
90%
**12
100%
[Somchem S361]*
<<locked>>
97%
52228
89%
**76
94%
Somchem S365 👍
<<locked>>
97%
51851
88%
**84
100%
Somchem S385
<<locked>>
97%
48283
82%
**72
96%
Vihtavuori N133
<<locked>>
84%
52011
89%
**71
100%
Vihtavuori N135
<<locked>>
89%
52083
89%
**23
100%
Vihtavuori N140
<<locked>>
84%
52489
89%
**36
100%
Vihtavuori N150
<<locked>>
94%
52533
89%
**76
100%
Vihtavuori N160
<<locked>>
92%
52634
90%
**28
100%
[Vihtavuori N165]*
<<locked>>
97%
40089
68%
**02
93%
Vihtavuori N540
<<locked>>
84%
52025
89%
**66
100%
Vihtavuori N550 👍
<<locked>>
91%
52823
90%
**67
100%
Vihtavuori N555
<<locked>>
97%
44730
76%
**79
99%
Winchester 6.5 StaBALL
<<locked>>
93%
52692
90%
**08
100%
Winchester 760
<<locked>>
89%
51764
88%
**67
98%
Winchester StaBALL HD
<<locked>>
97%
35853
61%
**07
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
43381
74%
**38
99%
[ADI AR 2209]*
<<locked>>
87%
35868
61%
**26
90%
[ADI AR 2213]*
<<locked>>
94%
40582
69%
**51
90%
[Accurate 2700]*
<<locked>>
81%
41727
71%
**49
94%
[Accurate 3100]*
<<locked>>
84%
27354
47%
**16
90%
Accurate 4064
<<locked>>
81%
45252
77%
**64
100%
Accurate 4350
<<locked>>
81%
33837
58%
**03
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
43453
74%
**64
100%
Alliant Reloder-15
<<locked>>
81%
46528
79%
**26
99%
Alliant Reloder-16
<<locked>>
81%
33663
57%
**16
96%
Alliant Reloder-17
<<locked>>
81%
38014
65%
**41
99%
[Alliant Reloder-19]*
<<locked>>
86%
34809
59%
**13
90%
[Alliant Reloder-22]*
<<locked>>
91%
34679
59%
**46
90%
[Alliant Reloder-23]*
<<locked>>
81%
24439
42%
**57
92%
[Alliant Reloder-25]*
<<locked>>
90%
28761
49%
**85
90%
[Alliant Reloder-26]*
<<locked>>
82%
27166
46%
**85
90%
Hodgdon CFE223
<<locked>>
81%
45252
77%
**40
99%
Hodgdon H380
<<locked>>
81%
44019
75%
**74
98%
Hodgdon H414
<<locked>>
81%
39189
67%
**18
95%
[Hodgdon H4350]*
<<locked>>
81%
32764
56%
**08
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
41727
71%
**35
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31053
53%
**11
97%
Hodgdon LVR
<<locked>>
81%
36970
63%
**66
96%
[Hodgdon Superperformance]*
<<locked>>
81%
35375
60%
**46
92%
Hodgdon VARGET
<<locked>>
81%
43091
73%
**25
99%
Hodgdon TrailBoss
<<locked>>
87%
30168
51%
**47
100%
IMR 3031
<<locked>>
81%
47514
81%
**13
100%
IMR 4064
<<locked>>
81%
42583
73%
**15
99%
IMR 4166 Enduron
<<locked>>
81%
42047
72%
**79
95%
[IMR 4350]*
<<locked>>
81%
34360
58%
**54
92%
IMR 4451 Enduron
<<locked>>
81%
40089
68%
**59
95%
[IMR 4831]*
<<locked>>
81%
29631
50%
**75
94%
IMR 4895
<<locked>>
81%
47776
81%
**53
100%
[IMR 4955 Enduron]*
<<locked>>
92%
39871
68%
**66
90%
[IMR 7828 SSC]*
<<locked>>
94%
40263
69%
**64
90%
Lovex S062
<<locked>>
81%
45832
78%
**74
100%
Lovex S065
<<locked>>
81%
37449
64%
**07
96%
[Lovex S070]*
<<locked>>
81%
35868
61%
**93
94%
[Lovex S071]*
<<locked>>
89%
27354
47%
**16
90%
Norma 203B
<<locked>>
81%
46021
78%
**17
100%
[Norma 204]*
<<locked>>
83%
35650
61%
**10
90%
[Norma MRP]*
<<locked>>
87%
31850
54%
**00
90%
Norma URP
<<locked>>
81%
34098
58%
**07
96%
Ramshot Big Game
<<locked>>
81%
45774
78%
**30
100%
[Ramshot Hunter]*
<<locked>>
81%
33112
56%
**84
93%
[Ramshot Magnum]*
<<locked>>
92%
34243
58%
**13
90%
ReloadSwiss RS 14
<<locked>>
84%
29196
50%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
44469
76%
**57
97%
ReloadSwiss RS 52
<<locked>>
81%
45426
77%
**26
100%
ReloadSwiss RS 60
<<locked>>
81%
36869
63%
**38
99%
ReloadSwiss RS 62
<<locked>>
81%
33547
57%
**20
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33069
56%
**10
94%
Rottweil R 902
<<locked>>
81%
47514
81%
**84
100%
Rottweil R 903
<<locked>>
81%
40988
70%
**15
99%
[Rottweil R 904]*
<<locked>>
88%
37956
65%
**36
90%
[Rottweil R 905]*
<<locked>>
87%
33707
57%
**97
90%
[Rottweil R 907]*
<<locked>>
81%
38696
66%
**26
94%
SNPE Vectan SP 11
<<locked>>
81%
42032
72%
**71
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
43091
73%
**43
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37043
63%
**64
94%
Shooters World Long Rifle
<<locked>>
81%
37449
64%
**07
96%
Shooters World Precision
<<locked>>
81%
45832
78%
**74
100%
Somchem S355
<<locked>>
81%
41292
70%
**12
99%
[Somchem S361]*
<<locked>>
89%
40538
69%
**66
90%
Somchem S365
<<locked>>
81%
30385
52%
**57
98%
[Somchem S385]*
<<locked>>
84%
31633
54%
**15
90%
Vihtavuori N133
<<locked>>
81%
48530
83%
**21
100%
Vihtavuori N135
<<locked>>
81%
40422
69%
**39
100%
Vihtavuori N140
<<locked>>
81%
47239
80%
**64
100%
Vihtavuori N150
<<locked>>
81%
35520
60%
**67
99%
Vihtavuori N160
<<locked>>
81%
36840
63%
**36
97%
[Vihtavuori N165]*
<<locked>>
91%
33069
56%
**38
90%
Vihtavuori N540
<<locked>>
81%
46876
80%
**84
100%
Vihtavuori N550
<<locked>>
81%
37188
63%
**75
97%
[Vihtavuori N555]*
<<locked>>
81%
26339
45%
**39
93%
Winchester 6.5 StaBALL
<<locked>>
81%
35070
60%
**80
98%
Winchester 760
<<locked>>
81%
39189
67%
**18
95%
[Winchester StaBALL HD]*
<<locked>>
84%
23554
40%
**74
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.

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