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Load data for .280 Rem. + .284 | 160gr | Sierra SBT GameKing

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

.280 Rem. + .284 | 160gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Sierra SBT GameKing
Manufacturer SKU:
1920
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.258" | 32.0mm
Caliber:
.280 Rem. load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.518" | 13.2mm
Shank Seated Depth:
0.373" | 9.5mm
Case Capacity:
67.9 Grains of Water | 4.41 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58740 psi | 4050 bar
LID:
LID_B5846_C289
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:10

Load data for 152 loads in caliber .280 Rem. with .284 | 160gr | Sierra SBT GameKing bullet and 76 powders such as Accurate 4350, Alliant Reloder-16, 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".

  • 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 2208
<<locked>>
86%
52025
89%
**48
100%
ADI AR 2209
<<locked>>
97%
51271
87%
**23
97%
[ADI AR 2213]*
<<locked>>
97%
46572
79%
**64
94%
Accurate 2700
<<locked>>
87%
52605
90%
**18
98%
Accurate 3100
<<locked>>
97%
44527
76%
**85
98%
Accurate 4064
<<locked>>
84%
52779
90%
**44
100%
Accurate 4350 👍
<<locked>>
92%
52736
90%
**36
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
52489
89%
**71
100%
Alliant Reloder-15
<<locked>>
83%
52315
89%
**84
100%
Alliant Reloder-16 👍
<<locked>>
94%
52649
90%
**72
100%
Alliant Reloder-17
<<locked>>
89%
52634
90%
**85
100%
Alliant Reloder-19
<<locked>>
97%
50604
86%
**17
97%
Alliant Reloder-22
<<locked>>
97%
45005
77%
**67
96%
Alliant Reloder-23
<<locked>>
97%
42351
72%
**12
100%
Alliant Reloder-25
<<locked>>
97%
36956
63%
**16
97%
Alliant Reloder-26
<<locked>>
97%
47413
81%
**76
100%
Hodgdon CFE223
<<locked>>
84%
52025
89%
**23
100%
Hodgdon H380
<<locked>>
85%
52518
89%
**87
100%
Hodgdon H414
<<locked>>
88%
52373
89%
**46
99%
Hodgdon H4350
<<locked>>
95%
52199
89%
**77
98%
[Hodgdon H4831]*
<<locked>>
97%
42496
72%
**39
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
48675
83%
**54
94%
Hodgdon Hybrid 100V
<<locked>>
95%
52301
89%
**97
100%
Hodgdon LVR
<<locked>>
90%
52170
89%
**20
100%
Hodgdon Superperformance
<<locked>>
91%
52750
90%
**76
99%
Hodgdon VARGET
<<locked>>
86%
52649
90%
**64
100%
IMR 4064
<<locked>>
86%
52547
89%
**48
100%
IMR 4166 Enduron
<<locked>>
87%
52054
89%
**31
99%
IMR 4350
<<locked>>
93%
52040
89%
**80
98%
IMR 4451 Enduron
<<locked>>
88%
52576
90%
**67
99%
IMR 4831
<<locked>>
97%
51445
88%
**03
100%
[IMR 4955 Enduron]*
<<locked>>
96%
47805
81%
**02
94%
IMR 7828 SSC
<<locked>>
97%
47195
80%
**94
95%
Lovex S062
<<locked>>
84%
52228
89%
**38
100%
Lovex S065
<<locked>>
91%
52837
90%
**71
99%
Lovex S070
<<locked>>
92%
52489
89%
**90
99%
Lovex S071
<<locked>>
97%
37507
64%
**51
96%
Norma 203B
<<locked>>
84%
52707
90%
**87
100%
Norma 204
<<locked>>
93%
52634
90%
**30
97%
Norma MRP
<<locked>>
97%
47485
81%
**43
98%
Norma URP
<<locked>>
92%
52025
89%
**23
100%
Ramshot Big Game
<<locked>>
84%
52779
90%
**07
100%
Ramshot Hunter 👍
<<locked>>
93%
52475
89%
**49
99%
Ramshot Magnum
<<locked>>
97%
43294
74%
**15
96%
ReloadSwiss RS 14
<<locked>>
96%
34824
59%
**70
100%
ReloadSwiss RS 50
<<locked>>
85%
52649
90%
**74
99%
ReloadSwiss RS 52
<<locked>>
84%
52112
89%
**97
100%
ReloadSwiss RS 60
<<locked>>
90%
52620
90%
**99
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
52591
90%
**56
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
51924
88%
**89
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
35360
60%
**97
93%
Rottweil R 903
<<locked>>
87%
52779
90%
**80
100%
Rottweil R 904
<<locked>>
96%
52576
90%
**97
96%
Rottweil R 905
<<locked>>
97%
49937
85%
**07
97%
Rottweil R 907
<<locked>>
89%
52692
90%
**67
98%
SNPE Vectan SP 11
<<locked>>
86%
52562
89%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
52852
90%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
52170
89%
**15
99%
Shooters World Long Rifle
<<locked>>
91%
52837
90%
**71
99%
Shooters World Precision
<<locked>>
84%
52228
89%
**38
100%
Somchem S355
<<locked>>
87%
52678
90%
**71
100%
Somchem S361
<<locked>>
95%
52199
89%
**54
95%
Somchem S365
<<locked>>
95%
51721
88%
**43
100%
Somchem S385
<<locked>>
97%
50894
87%
**87
98%
Vihtavuori N135
<<locked>>
88%
52069
89%
**89
100%
Vihtavuori N140
<<locked>>
83%
52837
90%
**08
100%
Vihtavuori N150
<<locked>>
92%
52489
89%
**35
100%
Vihtavuori N160
<<locked>>
90%
52199
89%
**87
100%
Vihtavuori N165
<<locked>>
97%
42235
72%
**33
96%
Vihtavuori N540
<<locked>>
83%
52576
90%
**35
100%
Vihtavuori N550
<<locked>>
90%
52402
89%
**26
100%
Vihtavuori N555
<<locked>>
97%
47442
81%
**90
100%
[Vihtavuori N560]*
<<locked>>
97%
45165
77%
**71
93%
Winchester 6.5 StaBALL
<<locked>>
92%
52852
90%
**84
100%
Winchester 760
<<locked>>
88%
52373
89%
**46
99%
Winchester StaBALL HD
<<locked>>
97%
35172
60%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45165
77%
**43
100%
[ADI AR 2209]*
<<locked>>
83%
32750
56%
**39
90%
[ADI AR 2213]*
<<locked>>
90%
37391
64%
**64
90%
Accurate 2700
<<locked>>
81%
43395
74%
**67
96%
[Accurate 3100]*
<<locked>>
81%
26194
45%
**72
91%
Accurate 4064
<<locked>>
81%
47456
81%
**62
100%
Accurate 4350
<<locked>>
81%
35969
61%
**31
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
45498
77%
**62
100%
Alliant Reloder-15
<<locked>>
81%
48762
83%
**35
100%
Alliant Reloder-16
<<locked>>
81%
35360
60%
**38
98%
Alliant Reloder-17
<<locked>>
81%
39914
68%
**59
100%
[Alliant Reloder-19]*
<<locked>>
82%
31966
54%
**23
90%
[Alliant Reloder-22]*
<<locked>>
87%
32126
55%
**69
90%
Alliant Reloder-23
<<locked>>
81%
25672
44%
**01
95%
[Alliant Reloder-25]*
<<locked>>
86%
26643
45%
**21
90%
[Alliant Reloder-26]*
<<locked>>
81%
27398
47%
**00
93%
Hodgdon CFE223
<<locked>>
81%
47529
81%
**44
100%
Hodgdon H380
<<locked>>
81%
46180
79%
**82
99%
Hodgdon H414
<<locked>>
81%
41524
71%
**46
96%
[Hodgdon H4350]*
<<locked>>
81%
34301
58%
**33
93%
[Hodgdon H4831]*
<<locked>>
93%
38130
65%
**51
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
37724
64%
**41
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32648
56%
**36
98%
Hodgdon LVR
<<locked>>
81%
38885
66%
**80
98%
[Hodgdon Superperformance]*
<<locked>>
81%
36840
63%
**77
94%
Hodgdon VARGET
<<locked>>
81%
44831
76%
**36
100%
IMR 4064
<<locked>>
81%
44570
76%
**20
100%
IMR 4166 Enduron
<<locked>>
81%
43714
74%
**87
97%
[IMR 4350]*
<<locked>>
81%
35940
61%
**79
94%
IMR 4451 Enduron
<<locked>>
81%
41814
71%
**74
96%
IMR 4831
<<locked>>
81%
31299
53%
**10
96%
[IMR 4955 Enduron]*
<<locked>>
88%
36709
63%
**82
90%
[IMR 7828 SSC]*
<<locked>>
89%
36738
63%
**67
90%
Lovex S062
<<locked>>
81%
47819
81%
**75
100%
Lovex S065
<<locked>>
81%
39146
67%
**25
97%
Lovex S070
<<locked>>
81%
37637
64%
**11
95%
[Lovex S071]*
<<locked>>
85%
25179
43%
**42
90%
Norma 203B
<<locked>>
81%
48254
82%
**21
100%
[Norma 204]*
<<locked>>
81%
35259
60%
**95
92%
[Norma MRP]*
<<locked>>
82%
29254
50%
**13
90%
Norma URP
<<locked>>
81%
36013
61%
**28
97%
Ramshot Big Game
<<locked>>
81%
48211
82%
**38
100%
Ramshot Hunter
<<locked>>
81%
34766
59%
**08
95%
[Ramshot Magnum]*
<<locked>>
88%
31647
54%
**39
90%
ReloadSwiss RS 14
<<locked>>
92%
33286
57%
**40
100%
ReloadSwiss RS 50
<<locked>>
81%
46485
79%
**66
98%
ReloadSwiss RS 52
<<locked>>
81%
47558
81%
**31
100%
ReloadSwiss RS 60
<<locked>>
81%
38537
66%
**52
100%
ReloadSwiss RS 62
<<locked>>
81%
35621
61%
**51
97%
ReloadSwiss RS 70
<<locked>>
81%
34969
60%
**51
96%
[ReloadSwiss RS 76]*
<<locked>>
93%
31894
54%
**98
90%
Rottweil R 903
<<locked>>
81%
43134
73%
**26
100%
[Rottweil R 904]*
<<locked>>
83%
34867
59%
**52
90%
[Rottweil R 905]*
<<locked>>
83%
31415
53%
**20
90%
Rottweil R 907
<<locked>>
81%
40393
69%
**44
95%
SNPE Vectan SP 11
<<locked>>
81%
44092
75%
**75
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44730
76%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38406
65%
**79
96%
Shooters World Long Rifle
<<locked>>
81%
39146
67%
**25
97%
Shooters World Precision
<<locked>>
81%
47819
81%
**75
100%
Somchem S355
<<locked>>
81%
43221
74%
**20
100%
[Somchem S361]*
<<locked>>
85%
37579
64%
**88
90%
Somchem S365
<<locked>>
81%
32169
55%
**82
99%
[Somchem S385]*
<<locked>>
81%
30168
51%
**67
91%
Vihtavuori N135
<<locked>>
81%
42583
72%
**44
100%
Vihtavuori N140
<<locked>>
81%
49284
84%
**59
100%
Vihtavuori N150
<<locked>>
81%
37057
63%
**75
100%
Vihtavuori N160
<<locked>>
81%
38986
66%
**57
98%
[Vihtavuori N165]*
<<locked>>
87%
30530
52%
**64
90%
Vihtavuori N540
<<locked>>
81%
49081
84%
**82
100%
Vihtavuori N550
<<locked>>
81%
39320
67%
**97
98%
Vihtavuori N555
<<locked>>
81%
27992
48%
**74
95%
[Vihtavuori N560]*
<<locked>>
91%
37188
63%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36651
62%
**02
99%
Winchester 760
<<locked>>
81%
41524
71%
**46
96%
[Winchester StaBALL HD]*
<<locked>>
81%
22611
39%
**46
92%

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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