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Load data for .280 Rem. + .284 | 175gr | Sierra SBT GameKing

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555

.280 Rem. + .284 | 175gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 175gr | Sierra SBT GameKing
Manufacturer SKU:
1940
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.394" | 35.4mm
Caliber:
.280 Rem. load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.654" | 16.6mm
Shank Seated Depth:
0.429" | 10.9mm
Case Capacity:
67.9 Grains of Water | 4.41 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58740 psi | 4050 bar
LID:
LID_B5854_C289
Last updated:
2025-02-02
Recommended Twist Rate:
1:10 - 1:9

Load data for 134 loads in caliber .280 Rem. with .284 | 175gr | Sierra SBT GameKing bullet and 67 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555. 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. 28.3 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>>
85%
52431
89%
**36
100%
ADI AR 2209
<<locked>>
96%
52620
90%
**28
98%
ADI AR 2213
<<locked>>
97%
48283
82%
**89
96%
Accurate 2700
<<locked>>
85%
51967
88%
**97
99%
Accurate 3100
<<locked>>
96%
46572
79%
**07
99%
Accurate 4350
<<locked>>
91%
52692
90%
**12
100%
[Accurate MAGPRO]*
<<locked>>
97%
45861
78%
**72
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
52257
89%
**46
100%
Alliant Reloder-16
<<locked>>
92%
51721
88%
**35
100%
Alliant Reloder-17
<<locked>>
88%
52489
89%
**51
100%
Alliant Reloder-19
<<locked>>
96%
52605
90%
**31
98%
Alliant Reloder-22
<<locked>>
97%
46905
80%
**85
97%
Alliant Reloder-23
<<locked>>
97%
44599
76%
**39
100%
Alliant Reloder-25
<<locked>>
97%
38740
66%
**57
98%
Alliant Reloder-26 👍
<<locked>>
97%
50401
86%
**07
100%
Hodgdon H380
<<locked>>
84%
52562
89%
**66
100%
Hodgdon H414
<<locked>>
87%
52823
90%
**31
99%
Hodgdon H4350
<<locked>>
93%
52475
89%
**66
99%
[Hodgdon H4831]*
<<locked>>
97%
44744
76%
**74
94%
Hodgdon H4831 SC
<<locked>>
97%
50647
86%
**79
96%
Hodgdon Hybrid 100V
<<locked>>
94%
52707
90%
**75
100%
Hodgdon LVR
<<locked>>
89%
52721
90%
**08
100%
Hodgdon Superperformance
<<locked>>
89%
52214
89%
**54
99%
Hodgdon VARGET
<<locked>>
85%
52054
89%
**30
100%
IMR 4064
<<locked>>
85%
52431
89%
**23
100%
IMR 4166 Enduron
<<locked>>
86%
52388
89%
**23
99%
IMR 4350
<<locked>>
92%
52301
89%
**66
99%
IMR 4451 Enduron
<<locked>>
87%
52301
89%
**46
99%
IMR 4831
<<locked>>
96%
52779
90%
**95
100%
IMR 4955 Enduron
<<locked>>
97%
50125
85%
**33
96%
IMR 7828 SSC
<<locked>>
97%
49124
84%
**15
96%
Lovex S065
<<locked>>
89%
52634
90%
**49
100%
Lovex S070
<<locked>>
90%
52286
89%
**66
99%
Lovex S071
<<locked>>
97%
39436
67%
**82
98%
Norma 204
<<locked>>
91%
52692
90%
**08
98%
Norma MRP
<<locked>>
97%
49806
85%
**64
99%
Norma URP
<<locked>>
91%
52692
90%
**15
100%
Ramshot Hunter 👍
<<locked>>
92%
52547
89%
**28
100%
Ramshot Magnum
<<locked>>
97%
45150
77%
**39
97%
ReloadSwiss RS 50
<<locked>>
84%
52475
89%
**52
99%
ReloadSwiss RS 60
<<locked>>
89%
52547
89%
**74
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
51909
88%
**28
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
51982
89%
**67
100%
ReloadSwiss RS 76
<<locked>>
97%
37144
63%
**54
96%
Rottweil R 903
<<locked>>
86%
52257
89%
**43
100%
Rottweil R 904
<<locked>>
95%
52359
89%
**72
97%
Rottweil R 905
<<locked>>
97%
51996
89%
**25
98%
Rottweil R 907
<<locked>>
88%
52388
89%
**43
99%
SNPE Vectan SP 11
<<locked>>
85%
52257
89%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
51938
88%
**21
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
52069
89%
**00
99%
Shooters World Long Rifle
<<locked>>
89%
52634
90%
**49
100%
Somchem S355
<<locked>>
86%
52489
89%
**49
100%
Somchem S361
<<locked>>
94%
52359
89%
**46
96%
Somchem S365
<<locked>>
94%
52344
89%
**21
100%
Somchem S385
<<locked>>
96%
52112
89%
**92
99%
Vihtavuori N135
<<locked>>
87%
52533
89%
**64
100%
Vihtavuori N150
<<locked>>
91%
52315
89%
**07
100%
Vihtavuori N160
<<locked>>
89%
52852
90%
**72
100%
Vihtavuori N165
<<locked>>
97%
43816
75%
**51
97%
Vihtavuori N550
<<locked>>
88%
52112
89%
**05
100%
Vihtavuori N555 👍
<<locked>>
97%
49966
85%
**05
100%
Vihtavuori N560
<<locked>>
97%
47079
80%
**02
95%
[Vihtavuori N565]*
<<locked>>
97%
39494
67%
**54
93%
Winchester 6.5 StaBALL
<<locked>>
90%
52156
89%
**52
100%
Winchester 760
<<locked>>
87%
52823
90%
**31
99%
Winchester StaBALL HD
<<locked>>
96%
37666
64%
**72
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47137
80%
**54
100%
[ADI AR 2209]*
<<locked>>
81%
32503
55%
**38
92%
[ADI AR 2213]*
<<locked>>
87%
34635
59%
**03
90%
Accurate 2700
<<locked>>
81%
44962
77%
**88
97%
[Accurate 3100]*
<<locked>>
81%
27615
47%
**13
93%
Accurate 4350
<<locked>>
81%
37782
64%
**59
99%
[Accurate MAGPRO]*
<<locked>>
91%
38130
65%
**21
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
47747
81%
**80
100%
Alliant Reloder-16
<<locked>>
81%
37057
63%
**75
99%
Alliant Reloder-17
<<locked>>
81%
41771
71%
**84
100%
[Alliant Reloder-19]*
<<locked>>
81%
32155
55%
**34
92%
[Alliant Reloder-22]*
<<locked>>
83%
29660
51%
**08
90%
Alliant Reloder-23
<<locked>>
81%
27021
46%
**49
97%
[Alliant Reloder-25]*
<<locked>>
82%
24323
41%
**60
90%
Alliant Reloder-26
<<locked>>
81%
28587
49%
**41
95%
Hodgdon H380
<<locked>>
81%
48037
82%
**93
100%
Hodgdon H414
<<locked>>
81%
43105
73%
**67
98%
Hodgdon H4350
<<locked>>
81%
35810
61%
**70
95%
[Hodgdon H4831]*
<<locked>>
89%
35172
60%
**83
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
34882
59%
**77
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34461
59%
**74
99%
Hodgdon LVR
<<locked>>
81%
40625
69%
**08
99%
Hodgdon Superperformance
<<locked>>
81%
38754
66%
**18
96%
Hodgdon VARGET
<<locked>>
81%
46775
80%
**48
100%
IMR 4064
<<locked>>
81%
46064
78%
**28
100%
IMR 4166 Enduron
<<locked>>
81%
45339
77%
**05
98%
IMR 4350
<<locked>>
81%
37811
64%
**13
96%
IMR 4451 Enduron
<<locked>>
81%
43613
74%
**05
98%
IMR 4831
<<locked>>
81%
32938
56%
**41
98%
[IMR 4955 Enduron]*
<<locked>>
84%
34287
58%
**31
90%
[IMR 7828 SSC]*
<<locked>>
86%
33924
58%
**00
90%
Lovex S065
<<locked>>
81%
41031
70%
**56
98%
Lovex S070
<<locked>>
81%
39146
67%
**39
97%
[Lovex S071]*
<<locked>>
81%
23801
41%
**11
91%
[Norma 204]*
<<locked>>
81%
36796
63%
**26
94%
[Norma MRP]*
<<locked>>
81%
28906
49%
**18
92%
Norma URP
<<locked>>
81%
37637
64%
**56
99%
Ramshot Hunter
<<locked>>
81%
36376
62%
**43
97%
[Ramshot Magnum]*
<<locked>>
85%
29196
50%
**88
90%
ReloadSwiss RS 50
<<locked>>
81%
48008
82%
**80
99%
ReloadSwiss RS 60
<<locked>>
81%
40408
69%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
37594
64%
**79
98%
ReloadSwiss RS 70
<<locked>>
81%
36680
62%
**88
98%
[ReloadSwiss RS 76]*
<<locked>>
90%
29443
50%
**38
90%
Rottweil R 903
<<locked>>
81%
45078
77%
**41
100%
[Rottweil R 904]*
<<locked>>
81%
33533
57%
**18
91%
[Rottweil R 905]*
<<locked>>
81%
31024
53%
**18
92%
Rottweil R 907
<<locked>>
81%
42047
72%
**72
97%
SNPE Vectan SP 11
<<locked>>
81%
46021
78%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46557
79%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40263
69%
**06
97%
Shooters World Long Rifle
<<locked>>
81%
41031
70%
**56
98%
Somchem S355
<<locked>>
81%
45339
77%
**38
100%
[Somchem S361]*
<<locked>>
82%
34911
59%
**31
90%
Somchem S365
<<locked>>
81%
34113
58%
**20
100%
[Somchem S385]*
<<locked>>
81%
31575
54%
**01
93%
Vihtavuori N135
<<locked>>
81%
44309
75%
**49
100%
Vihtavuori N150
<<locked>>
81%
38769
66%
**97
100%
Vihtavuori N160
<<locked>>
81%
40727
69%
**79
99%
[Vihtavuori N165]*
<<locked>>
83%
28065
48%
**06
90%
Vihtavuori N550
<<locked>>
81%
41060
70%
**18
99%
Vihtavuori N555
<<locked>>
81%
29689
51%
**21
97%
[Vihtavuori N560]*
<<locked>>
87%
34548
59%
**36
90%
[Vihtavuori N565]*
<<locked>>
92%
33315
57%
**20
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38421
65%
**33
100%
Winchester 760
<<locked>>
81%
43105
73%
**67
98%
Winchester StaBALL HD
<<locked>>
81%
23685
40%
**16
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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