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Load data for .307 Win. + .308 | 180gr | Sierra SBT GameKing

Recommended Powder(s): Accurate 2520, Hodgdon H322, Somchem S321, Vihtavuori N530, Winchester 748

.307 Win. + .308 | 180gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Sierra SBT GameKing
Manufacturer SKU:
2160
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.288" | 32.7mm
Caliber:
.307 Win. load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.522" | 64.0mm
Seated Depth:
0.780" | 19.8mm
Shank Seated Depth:
0.530" | 13.5mm
Case Capacity:
54.0 Grains of Water | 3.51 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B5895_C393
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 154 loads in caliber .307 Win. with .308 | 180gr | Sierra SBT GameKing bullet and 77 powders such as Accurate 2520, Hodgdon H322, Somchem S321, Vihtavuori N530, Winchester 748. 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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>>
97%
49893
83%
**25
97%
ADI AR 2207
<<locked>>
86%
53040
88%
**52
100%
ADI AR 2208
<<locked>>
96%
41858
70%
**77
95%
ADI AR 2219
<<locked>>
90%
53621
89%
**54
100%
Accurate 2015
<<locked>>
95%
52852
88%
**95
100%
Accurate 2200
<<locked>>
97%
53940
90%
**31
96%
Accurate 2230
<<locked>>
92%
53650
89%
**31
98%
Accurate 2460
<<locked>>
93%
52895
88%
**38
99%
Accurate 2495
<<locked>>
97%
48399
80%
**25
100%
Accurate 2520 👍
<<locked>>
96%
50357
84%
**48
100%
Accurate 4064
<<locked>>
97%
39842
66%
**06
99%
Alliant AR-Comp
<<locked>>
96%
49574
82%
**25
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
39407
65%
**87
96%
Alliant Reloder-10x
<<locked>>
92%
52808
88%
**02
100%
Alliant Reloder-15
<<locked>>
97%
43903
73%
**56
95%
[Alliant Reloder-17]*
<<locked>>
97%
35752
59%
**44
93%
Alliant Reloder-7
<<locked>>
86%
53882
90%
**59
100%
Baschieri & Pellagri 106
<<locked>>
90%
52968
88%
**52
100%
Baschieri & Pellagri 107
<<locked>>
96%
48892
81%
**25
96%
Hodgdon BL-C2
<<locked>>
97%
51982
86%
**90
99%
Hodgdon Benchmark
<<locked>>
95%
53824
89%
**05
99%
Hodgdon CFE BLK
<<locked>>
87%
53867
89%
**75
99%
[Hodgdon CFE223]*
<<locked>>
96%
42554
71%
**46
94%
Hodgdon H322 👍
<<locked>>
95%
53621
89%
**54
100%
Hodgdon H335
<<locked>>
90%
53534
89%
**64
100%
[Hodgdon H380]*
<<locked>>
96%
40843
68%
**90
93%
Hodgdon H4198
<<locked>>
88%
54041
90%
**59
100%
[Hodgdon VARGET]*
<<locked>>
96%
41220
68%
**64
94%
IMR 3031
<<locked>>
97%
43279
72%
**69
100%
IMR 4064
<<locked>>
97%
40814
68%
**54
95%
IMR 4198
<<locked>>
91%
52968
88%
**59
100%
IMR 4895
<<locked>>
97%
44875
75%
**82
96%
IMR 8208 XBR
<<locked>>
97%
52866
88%
**38
99%
Lovex D073.4
<<locked>>
91%
52866
88%
**21
99%
Lovex D073.5
<<locked>>
93%
53780
89%
**48
99%
Lovex D073.6
<<locked>>
96%
46659
78%
**98
99%
Lovex S060
<<locked>>
97%
51750
86%
**75
98%
Lovex S062
<<locked>>
97%
43439
72%
**16
97%
Norma 200
<<locked>>
88%
52663
87%
**79
100%
Norma 201
<<locked>>
97%
48602
81%
**79
98%
Norma 202
<<locked>>
96%
47805
79%
**85
100%
Norma 203B
<<locked>>
97%
42844
71%
**43
96%
Ramshot Big Game
<<locked>>
97%
43323
72%
**56
95%
Ramshot TAC
<<locked>>
96%
53156
88%
**31
95%
Ramshot Wild Boar
<<locked>>
96%
51184
85%
**51
98%
Ramshot X-Terminator
<<locked>>
94%
53925
90%
**28
98%
ReloadSwiss RS 40
<<locked>>
93%
54128
90%
**48
100%
ReloadSwiss RS 52
<<locked>>
97%
41727
69%
**62
98%
[ReloadSwiss RS 60]*
<<locked>>
97%
34853
58%
**28
93%
Rottweil R 901
<<locked>>
97%
52794
88%
**21
100%
Rottweil R 902
<<locked>>
96%
45440
76%
**29
98%
Rottweil R 903
<<locked>>
97%
36782
61%
**47
95%
SNPE Vectan BA6 1/2
<<locked>>
86%
53461
89%
**26
100%
SNPE Vectan SP 10
<<locked>>
89%
53417
89%
**54
100%
[SNPE Vectan SP 11]*
<<locked>>
97%
39479
66%
**90
94%
SNPE Vectan SP 7
<<locked>>
96%
50357
84%
**02
95%
SNPE Vectan SP 9
<<locked>>
97%
48312
80%
**98
97%
SNPE Vectan Tubal 3000
<<locked>>
97%
51677
86%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
41524
69%
**28
100%
Shooters World Match Rifle
<<locked>>
96%
46659
78%
**98
99%
Shooters World Precision
<<locked>>
97%
43439
72%
**16
97%
Shooters World Tactical Rifle
<<locked>>
90%
53258
88%
**02
99%
Somchem S321 👍
<<locked>>
94%
53011
88%
**61
99%
Somchem S335
<<locked>>
97%
50212
83%
**52
100%
Somchem S341
<<locked>>
96%
49690
83%
**02
97%
Somchem S355
<<locked>>
97%
38174
63%
**51
95%
Vihtavuori N120
<<locked>>
89%
54027
90%
**16
100%
Vihtavuori N130
<<locked>>
94%
52794
88%
**56
100%
Vihtavuori N133
<<locked>>
96%
46644
77%
**93
100%
Vihtavuori N135
<<locked>>
96%
35578
59%
**95
99%
Vihtavuori N140
<<locked>>
97%
45542
76%
**33
100%
Vihtavuori N150
<<locked>>
97%
32460
54%
**19
95%
Vihtavuori N530 👍
<<locked>>
95%
53403
89%
**57
99%
Vihtavuori N540
<<locked>>
97%
44657
74%
**49
99%
[Winchester 6.5 StaBALL]*
<<locked>>
96%
34084
57%
**19
92%
Winchester 748 👍
<<locked>>
95%
52634
87%
**93
99%
Winchester StaBALL Match
<<locked>>
93%
53098
88%
**84
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
30589
51%
**73
91%
ADI AR 2207
<<locked>>
81%
45165
75%
**54
100%
[ADI AR 2208]*
<<locked>>
87%
31589
52%
**70
90%
ADI AR 2219
<<locked>>
81%
40001
66%
**57
99%
Accurate 2015
<<locked>>
81%
34577
57%
**26
100%
[Accurate 2200]*
<<locked>>
82%
33750
56%
**93
90%
Accurate 2230
<<locked>>
81%
35752
59%
**56
95%
Accurate 2460
<<locked>>
81%
35650
59%
**72
96%
Accurate 2495
<<locked>>
81%
28326
47%
**80
98%
Accurate 2520
<<locked>>
81%
29298
49%
**83
95%
[Accurate 4064]*
<<locked>>
81%
23873
40%
**62
94%
Alliant AR-Comp
<<locked>>
81%
30182
50%
**10
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
83%
26136
43%
**91
90%
Alliant Reloder-10x
<<locked>>
81%
38290
64%
**98
100%
[Alliant Reloder-15]*
<<locked>>
84%
29892
50%
**77
90%
[Alliant Reloder-17]*
<<locked>>
93%
31575
52%
**46
90%
Alliant Reloder-7
<<locked>>
81%
46224
77%
**60
100%
Baschieri & Pellagri 106
<<locked>>
81%
40596
67%
**82
100%
[Baschieri & Pellagri 107]*
<<locked>>
84%
32779
54%
**29
90%
[Hodgdon BL-C2]*
<<locked>>
81%
29892
50%
**03
93%
Hodgdon Benchmark
<<locked>>
81%
35041
58%
**06
96%
Hodgdon CFE BLK
<<locked>>
81%
45165
75%
**47
98%
[Hodgdon CFE223]*
<<locked>>
89%
34026
57%
**78
90%
Hodgdon H322
<<locked>>
81%
33968
56%
**49
98%
Hodgdon H335
<<locked>>
81%
39189
65%
**54
99%
[Hodgdon H380]*
<<locked>>
91%
34011
57%
**59
90%
Hodgdon H4198
<<locked>>
81%
43932
73%
**18
100%
[Hodgdon VARGET]*
<<locked>>
87%
31212
52%
**64
90%
IMR 3031
<<locked>>
81%
26789
45%
**34
97%
[IMR 4064]*
<<locked>>
86%
29979
50%
**37
90%
IMR 4198
<<locked>>
81%
39334
65%
**72
100%
[IMR 4895]*
<<locked>>
83%
28805
48%
**67
90%
[IMR 8208 XBR]*
<<locked>>
81%
32489
54%
**93
94%
Lovex D073.4
<<locked>>
81%
37289
62%
**85
97%
Lovex D073.5
<<locked>>
81%
35157
58%
**59
96%
[Lovex D073.6]*
<<locked>>
81%
27717
46%
**51
94%
[Lovex S060]*
<<locked>>
81%
32126
53%
**34
92%
[Lovex S062]*
<<locked>>
81%
26527
44%
**75
91%
Norma 200
<<locked>>
81%
42728
71%
**47
100%
[Norma 201]*
<<locked>>
81%
29602
49%
**34
93%
Norma 202
<<locked>>
81%
29718
49%
**64
96%
[Norma 203B]*
<<locked>>
84%
28413
47%
**47
90%
[Ramshot Big Game]*
<<locked>>
86%
30516
51%
**96
90%
[Ramshot TAC]*
<<locked>>
85%
36724
61%
**65
90%
[Ramshot Wild Boar]*
<<locked>>
81%
30922
51%
**87
91%
[Ramshot X-Terminator]*
<<locked>>
81%
35317
59%
**29
93%
ReloadSwiss RS 40
<<locked>>
81%
36521
61%
**78
97%
[ReloadSwiss RS 52]*
<<locked>>
81%
25048
42%
**85
90%
[ReloadSwiss RS 60]*
<<locked>>
93%
30937
51%
**26
90%
Rottweil R 901
<<locked>>
81%
33257
55%
**00
97%
[Rottweil R 902]*
<<locked>>
81%
28616
48%
**05
92%
[Rottweil R 903]*
<<locked>>
87%
26614
44%
**21
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
46818
78%
**51
100%
SNPE Vectan SP 10
<<locked>>
81%
40451
67%
**64
99%
[SNPE Vectan SP 11]*
<<locked>>
89%
30893
51%
**13
90%
[SNPE Vectan SP 7]*
<<locked>>
86%
34998
58%
**49
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
29095
48%
**34
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
32068
53%
**34
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
25817
43%
**09
95%
[Shooters World Match Rifle]*
<<locked>>
81%
27717
46%
**51
94%
[Shooters World Precision]*
<<locked>>
81%
26527
44%
**75
91%
Shooters World Tactical Rifle
<<locked>>
81%
38914
65%
**88
96%
Somchem S321
<<locked>>
81%
34200
57%
**59
95%
Somchem S335
<<locked>>
81%
31125
52%
**34
97%
[Somchem S341]*
<<locked>>
81%
30081
50%
**51
90%
[Somchem S355]*
<<locked>>
86%
27195
45%
**14
90%
Vihtavuori N120
<<locked>>
81%
42627
71%
**75
100%
Vihtavuori N130
<<locked>>
81%
35839
60%
**10
100%
Vihtavuori N133
<<locked>>
81%
29573
49%
**01
98%
Vihtavuori N135
<<locked>>
81%
22539
37%
**90
95%
Vihtavuori N140
<<locked>>
81%
27688
46%
**98
96%
[Vihtavuori N150]*
<<locked>>
87%
24439
41%
**26
90%
Vihtavuori N530
<<locked>>
81%
33939
56%
**36
95%
Vihtavuori N540
<<locked>>
81%
27253
45%
**11
95%
[Winchester 6.5 StaBALL]*
<<locked>>
93%
30850
51%
**44
90%
Winchester 748
<<locked>>
81%
33185
55%
**62
95%
[Winchester StaBALL Match]*
<<locked>>
81%
35433
59%
**98
94%

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.

<<locked>>... you need to buy an access license to unlock the data

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