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Load data for .25-06 Rem. + .257 | 117gr | Sierra SBT GameKing

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Norma 204, Ramshot Hunter, Vihtavuori N555

.25-06 Rem. + .257 | 117gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 117gr | Sierra SBT GameKing
Manufacturer SKU:
1630
Bullet Weight:
117gr | 7.6g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
1.116" | 28.3mm
Caliber:
.25-06 Rem. load data
Case Length (l3):
2.489" | 63.2mm
Cartridge Length (C.O.L.):
3.201" | 81.3mm
Seated Depth:
0.404" | 10.3mm
Shank Seated Depth:
0.254" | 6.4mm
Case Capacity:
65.8 Grains of Water | 4.27 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
65267 psi | 4500 bar
LID:
LID_B5798_C208
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 150 loads in caliber .25-06 Rem. with .257 | 117gr | Sierra SBT GameKing bullet and 75 powders such as Alliant Reloder-26, IMR 4831, Norma 204, Ramshot Hunter, 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. 34.9 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>>
85%
58682
90%
**56
100%
ADI AR 2209
<<locked>>
96%
58595
90%
**41
99%
ADI AR 2213
<<locked>>
97%
54070
83%
**05
97%
[ADI AR 2217]*
<<locked>>
97%
39291
60%
**94
92%
ADI AR 2225
<<locked>>
97%
35230
54%
**51
95%
Accurate 2700
<<locked>>
86%
57798
89%
**04
99%
Accurate 3100
<<locked>>
97%
54099
83%
**27
100%
Accurate 4350
<<locked>>
90%
58726
90%
**15
100%
Accurate MAGPRO
<<locked>>
97%
52649
81%
**95
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
58668
90%
**69
100%
Alliant Reloder-16
<<locked>>
92%
58001
89%
**48
100%
Alliant Reloder-17
<<locked>>
87%
58668
90%
**54
100%
Alliant Reloder-19
<<locked>>
96%
57885
89%
**28
99%
Alliant Reloder-22
<<locked>>
97%
53519
82%
**99
98%
Alliant Reloder-23
<<locked>>
97%
51010
78%
**33
100%
Alliant Reloder-25
<<locked>>
97%
44382
68%
**67
99%
Alliant Reloder-26 👍
<<locked>>
96%
57856
89%
**27
100%
[Hodgdon H1000]*
<<locked>>
97%
39291
60%
**94
92%
Hodgdon H380
<<locked>>
84%
57740
88%
**69
100%
Hodgdon H414
<<locked>>
86%
57595
88%
**22
100%
Hodgdon H4350
<<locked>>
93%
58204
89%
**76
99%
Hodgdon H4831
<<locked>>
97%
50212
77%
**84
96%
Hodgdon H4831 SC
<<locked>>
97%
56608
87%
**86
97%
Hodgdon Hybrid 100V
<<locked>>
93%
57725
88%
**66
100%
Hodgdon LVR
<<locked>>
89%
58117
89%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
35230
54%
**51
95%
Hodgdon Superperformance
<<locked>>
89%
58508
90%
**64
100%
Hodgdon VARGET
<<locked>>
85%
58262
89%
**53
100%
Hodgdon TrailBoss
<<locked>>
97%
35288
54%
**34
100%
IMR 4064
<<locked>>
86%
58175
89%
**33
100%
IMR 4166 Enduron
<<locked>>
87%
58595
90%
**53
100%
IMR 4350
<<locked>>
92%
58682
90%
**86
99%
IMR 4451 Enduron
<<locked>>
88%
58610
90%
**76
100%
IMR 4831 👍
<<locked>>
95%
58392
89%
**95
100%
IMR 4955 Enduron
<<locked>>
97%
55579
85%
**36
97%
IMR 7828 SSC
<<locked>>
96%
55201
85%
**41
98%
Lovex S062
<<locked>>
83%
58146
89%
**23
100%
Lovex S065
<<locked>>
90%
58465
90%
**59
100%
Lovex S070
<<locked>>
90%
58204
89%
**72
100%
Lovex S071
<<locked>>
97%
44904
69%
**69
99%
Norma 204 👍
<<locked>>
91%
58523
90%
**15
99%
Norma MRP
<<locked>>
97%
57421
88%
**87
100%
Norma URP
<<locked>>
91%
58334
89%
**15
100%
Ramshot Hunter 👍
<<locked>>
92%
58581
90%
**41
100%
Ramshot Magnum
<<locked>>
97%
51982
80%
**59
99%
ReloadSwiss RS 14
<<locked>>
97%
35882
55%
**73
100%
ReloadSwiss RS 50
<<locked>>
84%
58639
90%
**69
100%
ReloadSwiss RS 60
<<locked>>
88%
58566
90%
**81
100%
ReloadSwiss RS 62
<<locked>>
90%
57711
88%
**25
100%
ReloadSwiss RS 70
<<locked>>
91%
57870
89%
**81
100%
ReloadSwiss RS 76
<<locked>>
97%
43308
66%
**81
98%
Rottweil R 903
<<locked>>
86%
58523
90%
**56
100%
Rottweil R 904
<<locked>>
95%
58291
89%
**86
98%
Rottweil R 905
<<locked>>
97%
58595
90%
**38
99%
Rottweil R 907
<<locked>>
88%
58146
89%
**59
99%
SNPE Vectan SP 11
<<locked>>
85%
57943
89%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
58291
89%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57870
89%
**04
100%
Shooters World Long Rifle
<<locked>>
90%
58465
90%
**59
100%
Shooters World Precision
<<locked>>
83%
58146
89%
**23
100%
Somchem S355
<<locked>>
86%
58436
90%
**53
100%
Somchem S361
<<locked>>
94%
58015
89%
**46
97%
Somchem S365
<<locked>>
93%
58218
89%
**15
100%
Somchem S385
<<locked>>
96%
58407
89%
**05
99%
Vihtavuori N135
<<locked>>
87%
57769
89%
**58
100%
Vihtavuori N150
<<locked>>
91%
57885
89%
**04
100%
Vihtavuori N160
<<locked>>
88%
58146
89%
**72
100%
Vihtavuori N165
<<locked>>
97%
49777
76%
**48
98%
Vihtavuori N550
<<locked>>
88%
58508
90%
**12
100%
Vihtavuori N555 👍
<<locked>>
97%
56724
87%
**12
100%
Vihtavuori N560
<<locked>>
97%
54244
83%
**38
97%
Vihtavuori N565
<<locked>>
96%
45426
70%
**58
95%
Winchester 6.5 StaBALL
<<locked>>
90%
57885
89%
**33
100%
Winchester 760
<<locked>>
86%
57595
88%
**22
100%
Winchester StaBALL HD
<<locked>>
97%
46166
71%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50937
78%
**35
100%
[ADI AR 2209]*
<<locked>>
81%
35636
55%
**92
93%
[ADI AR 2213]*
<<locked>>
84%
35462
54%
**08
90%
[ADI AR 2217]*
<<locked>>
93%
35259
54%
**82
90%
[ADI AR 2225]*
<<locked>>
91%
29675
45%
**77
90%
Accurate 2700
<<locked>>
81%
49516
76%
**72
98%
[Accurate 3100]*
<<locked>>
81%
31372
48%
**70
94%
Accurate 4350
<<locked>>
81%
42511
65%
**40
99%
[Accurate MAGPRO]*
<<locked>>
88%
39233
60%
**23
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51866
79%
**61
100%
Alliant Reloder-16
<<locked>>
81%
40756
62%
**49
99%
Alliant Reloder-17
<<locked>>
81%
46717
72%
**77
100%
[Alliant Reloder-19]*
<<locked>>
81%
35650
55%
**02
93%
[Alliant Reloder-22]*
<<locked>>
81%
31386
48%
**23
91%
Alliant Reloder-23
<<locked>>
81%
30240
46%
**97
98%
[Alliant Reloder-25]*
<<locked>>
81%
26440
41%
**79
91%
Alliant Reloder-26
<<locked>>
81%
32474
50%
**15
96%
[Hodgdon H1000]*
<<locked>>
93%
35259
54%
**82
90%
Hodgdon H380
<<locked>>
81%
52852
81%
**94
100%
Hodgdon H414
<<locked>>
81%
48298
74%
**67
99%
Hodgdon H4350
<<locked>>
81%
39566
61%
**41
96%
[Hodgdon H4831]*
<<locked>>
87%
36071
55%
**82
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35781
55%
**75
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38290
59%
**35
100%
Hodgdon LVR
<<locked>>
81%
45121
69%
**85
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29675
45%
**77
90%
Hodgdon Superperformance
<<locked>>
81%
43482
67%
**08
97%
Hodgdon VARGET
<<locked>>
81%
50546
77%
**28
100%
Hodgdon TrailBoss
<<locked>>
81%
27775
43%
**73
100%
IMR 4064
<<locked>>
81%
50343
77%
**22
100%
IMR 4166 Enduron
<<locked>>
81%
49414
76%
**99
99%
IMR 4350
<<locked>>
81%
41336
63%
**77
96%
IMR 4451 Enduron
<<locked>>
81%
47630
73%
**89
98%
IMR 4831
<<locked>>
81%
36956
57%
**08
98%
[IMR 4955 Enduron]*
<<locked>>
82%
35143
54%
**23
90%
[IMR 7828 SSC]*
<<locked>>
84%
35491
54%
**18
90%
Lovex S062
<<locked>>
81%
54128
83%
**71
100%
Lovex S065
<<locked>>
81%
45020
69%
**33
99%
Lovex S070
<<locked>>
81%
43105
66%
**13
98%
[Lovex S071]*
<<locked>>
81%
26890
41%
**36
92%
Norma 204
<<locked>>
81%
41307
63%
**07
95%
[Norma MRP]*
<<locked>>
81%
32779
50%
**89
93%
Norma URP
<<locked>>
81%
42047
64%
**36
99%
Ramshot Hunter
<<locked>>
81%
40814
63%
**23
98%
[Ramshot Magnum]*
<<locked>>
82%
29950
46%
**64
90%
ReloadSwiss RS 14
<<locked>>
81%
28369
43%
**13
100%
ReloadSwiss RS 50
<<locked>>
81%
52997
81%
**77
99%
ReloadSwiss RS 60
<<locked>>
81%
45179
69%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
42395
65%
**59
99%
ReloadSwiss RS 70
<<locked>>
81%
40683
62%
**62
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
30211
46%
**20
90%
Rottweil R 903
<<locked>>
81%
49661
76%
**25
100%
[Rottweil R 904]*
<<locked>>
81%
37159
57%
**89
92%
[Rottweil R 905]*
<<locked>>
81%
34780
53%
**82
93%
Rottweil R 907
<<locked>>
81%
46151
71%
**53
98%
SNPE Vectan SP 11
<<locked>>
81%
51111
78%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50343
77%
**13
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44266
68%
**77
98%
Shooters World Long Rifle
<<locked>>
81%
45020
69%
**33
99%
Shooters World Precision
<<locked>>
81%
54128
83%
**71
100%
Somchem S355
<<locked>>
81%
49850
76%
**25
100%
[Somchem S361]*
<<locked>>
81%
37681
58%
**69
91%
Somchem S365
<<locked>>
81%
38203
59%
**80
100%
[Somchem S385]*
<<locked>>
81%
35317
54%
**66
94%
Vihtavuori N135
<<locked>>
81%
48037
74%
**17
100%
Vihtavuori N150
<<locked>>
81%
42453
65%
**64
100%
Vihtavuori N160
<<locked>>
81%
45136
69%
**59
99%
[Vihtavuori N165]*
<<locked>>
81%
29747
46%
**08
91%
Vihtavuori N550
<<locked>>
81%
45643
70%
**02
100%
Vihtavuori N555
<<locked>>
81%
33562
51%
**69
98%
[Vihtavuori N560]*
<<locked>>
85%
35636
55%
**41
90%
[Vihtavuori N565]*
<<locked>>
88%
34461
53%
**08
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42786
66%
**97
100%
Winchester 760
<<locked>>
81%
48298
74%
**67
99%
Winchester StaBALL HD
<<locked>>
81%
24482
38%
**77
97%

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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