top of page

Load data for .280 Rem. + .284 | 150gr | Sierra SBT GameKing

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N550

.280 Rem. + .284 | 150gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Sierra SBT GameKing
Manufacturer SKU:
1913
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.200" | 30.5mm
Caliber:
.280 Rem. load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.460" | 11.7mm
Shank Seated Depth:
0.320" | 8.1mm
Case Capacity:
67.9 Grains of Water | 4.41 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58740 psi | 4050 bar
LID:
LID_B5843_C289
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 192 loads in caliber .280 Rem. with .284 | 150gr | Sierra SBT GameKing bullet and 96 powders such as Accurate 4350, Alliant Reloder-16, ReloadSwiss RS 62, ReloadSwiss RS 70, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 29.9 fps

  • .

    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 2206H
<<locked>>
85%
58479
100%
**51
100%
ADI AR 2208
<<locked>>
90%
58030
99%
**35
100%
ADI AR 2209
<<locked>>
97%
50038
85%
**89
96%
[ADI AR 2213]*
<<locked>>
97%
44483
76%
**94
92%
Accurate 2200
<<locked>>
84%
58639
100%
**25
100%
Accurate 2495
<<locked>>
83%
58436
99%
**82
100%
Accurate 2700
<<locked>>
91%
58711
100%
**99
98%
Accurate 3100
<<locked>>
97%
43018
73%
**38
97%
Accurate 4064
<<locked>>
89%
58610
100%
**15
100%
Accurate 4350 👍
<<locked>>
96%
58465
100%
**10
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
58247
99%
**48
100%
Alliant Reloder-15
<<locked>>
88%
58102
99%
**64
100%
Alliant Reloder-16 👍
<<locked>>
97%
56115
96%
**17
100%
Alliant Reloder-17
<<locked>>
93%
57899
99%
**49
100%
Alliant Reloder-19
<<locked>>
97%
49298
84%
**76
96%
[Alliant Reloder-22]*
<<locked>>
97%
42946
73%
**07
94%
Alliant Reloder-23
<<locked>>
97%
40350
69%
**54
99%
Alliant Reloder-25
<<locked>>
97%
36013
61%
**66
95%
Alliant Reloder-26
<<locked>>
97%
45411
77%
**22
99%
Baschieri & Pellagri 107
<<locked>>
85%
58726
100%
**74
100%
Hodgdon CFE223
<<locked>>
88%
57914
99%
**90
100%
Hodgdon H380
<<locked>>
89%
58088
99%
**58
100%
Hodgdon H414
<<locked>>
92%
57914
99%
**10
99%
Hodgdon H4350
<<locked>>
97%
53708
91%
**85
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
46470
79%
**90
93%
Hodgdon Hybrid 100V
<<locked>>
97%
52823
90%
**89
100%
Hodgdon LVR
<<locked>>
95%
58581
100%
**04
100%
Hodgdon Superperformance
<<locked>>
95%
58711
100%
**59
99%
Hodgdon VARGET
<<locked>>
91%
58407
99%
**35
100%
Hodgdon TrailBoss
<<locked>>
96%
34142
58%
**90
100%
IMR 3031
<<locked>>
87%
58160
99%
**12
100%
IMR 4064
<<locked>>
91%
57914
99%
**18
100%
IMR 4166 Enduron
<<locked>>
91%
57827
98%
**05
99%
IMR 4350
<<locked>>
97%
57566
98%
**51
99%
IMR 4451 Enduron
<<locked>>
93%
58262
99%
**41
99%
IMR 4831
<<locked>>
97%
50053
85%
**69
100%
IMR 4895
<<locked>>
87%
58740
100%
**81
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46644
79%
**61
93%
[IMR 7828 SSC]*
<<locked>>
96%
44947
77%
**23
93%
IMR 8208 XBR
<<locked>>
83%
57885
99%
**08
100%
Lovex D073.6
<<locked>>
85%
58610
100%
**22
100%
Lovex S060
<<locked>>
86%
58668
100%
**85
100%
Lovex S062
<<locked>>
88%
58059
99%
**15
100%
Lovex S065
<<locked>>
95%
58421
99%
**44
100%
Lovex S070
<<locked>>
96%
58146
99%
**54
99%
Lovex S071
<<locked>>
97%
35752
61%
**90
95%
Norma 201
<<locked>>
85%
57928
99%
**02
100%
Norma 202
<<locked>>
85%
57725
98%
**92
100%
Norma 203B
<<locked>>
88%
58537
100%
**67
100%
Norma 204
<<locked>>
97%
57638
98%
**94
98%
Norma MRP
<<locked>>
97%
45440
77%
**89
97%
Norma URP
<<locked>>
97%
57493
98%
**94
100%
Ramshot Big Game
<<locked>>
88%
58494
100%
**84
100%
Ramshot Hunter
<<locked>>
97%
56115
96%
**90
99%
[Ramshot Magnum]*
<<locked>>
97%
41118
70%
**35
94%
Ramshot TAC
<<locked>>
84%
58508
100%
**41
100%
Ramshot Wild Boar
<<locked>>
84%
58624
100%
**48
100%
ReloadSwiss RS 14
<<locked>>
96%
34650
59%
**29
100%
ReloadSwiss RS 50
<<locked>>
89%
58175
99%
**41
99%
ReloadSwiss RS 52
<<locked>>
88%
58421
99%
**77
100%
ReloadSwiss RS 60
<<locked>>
94%
57957
99%
**69
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
57827
98%
**17
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
58276
99%
**69
100%
Rottweil R 902
<<locked>>
87%
58117
99%
**02
100%
Rottweil R 903
<<locked>>
91%
57725
98%
**38
100%
Rottweil R 904
<<locked>>
97%
51387
87%
**59
95%
Rottweil R 905
<<locked>>
97%
47514
81%
**49
96%
Rottweil R 907
<<locked>>
94%
58436
99%
**41
99%
SNPE Vectan SP 11
<<locked>>
91%
58624
100%
**84
100%
SNPE Vectan SP 7
<<locked>>
84%
58146
99%
**28
100%
SNPE Vectan SP 9
<<locked>>
85%
57638
98%
**28
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
57595
98%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
58015
99%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
58378
99%
**92
99%
Shooters World Long Rifle
<<locked>>
95%
58421
99%
**44
100%
Shooters World Match Rifle
<<locked>>
85%
58610
100%
**22
100%
Shooters World Precision
<<locked>>
88%
58059
99%
**15
100%
Somchem S335
<<locked>>
85%
58537
100%
**33
100%
Somchem S341
<<locked>>
84%
57725
98%
**15
100%
Somchem S355
<<locked>>
92%
58450
100%
**41
100%
Somchem S361
<<locked>>
97%
53505
91%
**59
95%
Somchem S365
<<locked>>
97%
52924
90%
**54
100%
Somchem S385
<<locked>>
97%
48428
82%
**36
97%
Vihtavuori N133
<<locked>>
87%
58363
99%
**03
100%
Vihtavuori N135
<<locked>>
92%
57783
98%
**53
100%
Vihtavuori N140
<<locked>>
87%
57870
99%
**66
100%
Vihtavuori N150
<<locked>>
97%
58175
99%
**99
100%
Vihtavuori N160
<<locked>>
94%
58566
100%
**71
100%
[Vihtavuori N165]*
<<locked>>
97%
40408
69%
**66
94%
Vihtavuori N540
<<locked>>
87%
58291
99%
**99
100%
Vihtavuori N550 👍
<<locked>>
94%
58697
100%
**13
100%
Vihtavuori N555
<<locked>>
97%
44976
77%
**33
99%
[Vihtavuori N560]*
<<locked>>
97%
43700
74%
**23
92%
Winchester 6.5 StaBALL
<<locked>>
96%
58334
99%
**41
100%
Winchester 760
<<locked>>
92%
57914
99%
**10
99%
Winchester StaBALL HD
<<locked>>
97%
36143
62%
**74
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51779
88%
**46
100%
ADI AR 2208
<<locked>>
81%
43859
75%
**98
99%
[ADI AR 2209]*
<<locked>>
85%
34592
59%
**54
90%
[ADI AR 2213]*
<<locked>>
93%
39334
67%
**82
90%
Accurate 2200
<<locked>>
81%
53795
92%
**53
100%
Accurate 2495
<<locked>>
81%
54099
92%
**26
100%
Accurate 2700
<<locked>>
81%
42366
72%
**26
95%
[Accurate 3100]*
<<locked>>
83%
26426
45%
**51
90%
Accurate 4064
<<locked>>
81%
45861
78%
**31
100%
Accurate 4350
<<locked>>
81%
34447
59%
**74
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
43976
75%
**25
100%
Alliant Reloder-15
<<locked>>
81%
47152
80%
**87
100%
Alliant Reloder-16
<<locked>>
81%
34098
58%
**84
96%
Alliant Reloder-17
<<locked>>
81%
38276
65%
**15
99%
[Alliant Reloder-19]*
<<locked>>
85%
33591
57%
**41
90%
[Alliant Reloder-22]*
<<locked>>
90%
34185
58%
**97
90%
[Alliant Reloder-23]*
<<locked>>
81%
24772
42%
**31
93%
[Alliant Reloder-25]*
<<locked>>
89%
27934
48%
**29
90%
[Alliant Reloder-26]*
<<locked>>
81%
26150
45%
**16
90%
Baschieri & Pellagri 107
<<locked>>
81%
51227
87%
**56
100%
Hodgdon CFE223
<<locked>>
81%
46137
79%
**10
99%
Hodgdon H380
<<locked>>
81%
44556
76%
**35
98%
Hodgdon H414
<<locked>>
81%
39798
68%
**95
95%
[Hodgdon H4350]*
<<locked>>
81%
33185
56%
**82
92%
[Hodgdon H4831 SC]*
<<locked>>
92%
40422
69%
**75
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31488
54%
**88
97%
Hodgdon LVR
<<locked>>
81%
37550
64%
**33
97%
[Hodgdon Superperformance]*
<<locked>>
81%
35737
61%
**20
93%
Hodgdon VARGET
<<locked>>
81%
43555
74%
**92
99%
Hodgdon TrailBoss
<<locked>>
91%
31879
54%
**47
100%
IMR 3031
<<locked>>
81%
48544
83%
**80
100%
IMR 4064
<<locked>>
81%
43018
73%
**72
99%
IMR 4166 Enduron
<<locked>>
81%
42453
72%
**46
96%
[IMR 4350]*
<<locked>>
81%
34722
59%
**18
92%
IMR 4451 Enduron
<<locked>>
81%
40582
69%
**33
95%
IMR 4831
<<locked>>
81%
30153
51%
**52
95%
IMR 4895
<<locked>>
81%
48428
82%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
91%
39175
67%
**13
90%
[IMR 7828 SSC]*
<<locked>>
92%
39044
66%
**95
90%
IMR 8208 XBR
<<locked>>
81%
53925
92%
**46
100%
Lovex D073.6
<<locked>>
81%
51750
88%
**23
100%
Lovex S060
<<locked>>
81%
51140
87%
**77
100%
Lovex S062
<<locked>>
81%
46383
79%
**35
100%
Lovex S065
<<locked>>
81%
37913
65%
**80
96%
[Lovex S070]*
<<locked>>
81%
36361
62%
**61
94%
[Lovex S071]*
<<locked>>
87%
26426
45%
**51
90%
Norma 201
<<locked>>
81%
50415
86%
**94
100%
Norma 202
<<locked>>
81%
51155
87%
**00
100%
Norma 203B
<<locked>>
81%
46659
79%
**77
100%
[Norma 204]*
<<locked>>
81%
34316
58%
**44
90%
[Norma MRP]*
<<locked>>
86%
31357
53%
**48
90%
Norma URP
<<locked>>
81%
34635
59%
**77
96%
Ramshot Big Game
<<locked>>
81%
46586
79%
**97
100%
[Ramshot Hunter]*
<<locked>>
81%
33678
57%
**57
94%
[Ramshot Magnum]*
<<locked>>
91%
33692
57%
**61
90%
Ramshot TAC
<<locked>>
81%
53853
92%
**66
99%
Ramshot Wild Boar
<<locked>>
81%
53809
92%
**82
100%
ReloadSwiss RS 14
<<locked>>
88%
30879
53%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
45020
77%
**21
97%
ReloadSwiss RS 52
<<locked>>
81%
46209
79%
**00
100%
ReloadSwiss RS 60
<<locked>>
81%
37246
63%
**02
100%
ReloadSwiss RS 62
<<locked>>
81%
33982
58%
**87
96%
ReloadSwiss RS 70
<<locked>>
81%
33663
57%
**87
95%
Rottweil R 902
<<locked>>
81%
48037
82%
**48
100%
Rottweil R 903
<<locked>>
81%
41597
71%
**79
100%
[Rottweil R 904]*
<<locked>>
87%
37289
63%
**84
90%
[Rottweil R 905]*
<<locked>>
86%
33040
56%
**38
90%
[Rottweil R 907]*
<<locked>>
81%
39160
67%
**97
94%
SNPE Vectan SP 11
<<locked>>
81%
42728
73%
**35
99%
SNPE Vectan SP 7
<<locked>>
81%
52417
89%
**49
99%
SNPE Vectan SP 9
<<locked>>
81%
50430
86%
**20
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51895
88%
**35
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43511
74%
**07
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37594
64%
**31
94%
Shooters World Long Rifle
<<locked>>
81%
37913
65%
**80
96%
Shooters World Match Rifle
<<locked>>
81%
51750
88%
**23
100%
Shooters World Precision
<<locked>>
81%
46383
79%
**35
100%
Somchem S335
<<locked>>
81%
51053
87%
**28
100%
Somchem S341
<<locked>>
81%
52083
89%
**36
100%
Somchem S355
<<locked>>
81%
41829
71%
**75
99%
[Somchem S361]*
<<locked>>
88%
39871
68%
**10
90%
Somchem S365
<<locked>>
81%
30879
53%
**28
98%
[Somchem S385]*
<<locked>>
83%
30530
52%
**49
90%
Vihtavuori N133
<<locked>>
81%
48907
83%
**79
100%
Vihtavuori N135
<<locked>>
81%
40901
70%
**03
100%
Vihtavuori N140
<<locked>>
81%
47805
81%
**21
100%
Vihtavuori N150
<<locked>>
81%
35911
61%
**28
99%
Vihtavuori N160
<<locked>>
81%
37463
64%
**07
97%
[Vihtavuori N165]*
<<locked>>
89%
31937
54%
**75
90%
Vihtavuori N540
<<locked>>
81%
47514
81%
**41
100%
Vihtavuori N550
<<locked>>
81%
37811
64%
**46
97%
[Vihtavuori N555]*
<<locked>>
81%
26789
46%
**13
93%
[Vihtavuori N560]*
<<locked>>
94%
39363
67%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35346
60%
**48
99%
Winchester 760
<<locked>>
81%
39798
68%
**95
95%
[Winchester StaBALL HD]*
<<locked>>
82%
22756
39%
**01
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.

bottom of page