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Load data for 6 mm XC + .243 | 100gr | Sierra SBT GameKing

Recommended Powder(s):

6 mm XC + .243 | 100gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 100gr | Sierra SBT GameKing
Manufacturer SKU:
1560
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
<<locked>>
Caliber:
6 mm XC load data
Case Length (l3):
1.901" | 48.3mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
49.7 Grains of Water | 3.23 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5781_C929
Last updated:
2026-05-29
Recommended Twist Rate:
1:10 - 1:8

Load data for 202 loads in caliber 6 mm XC with .243 | 100gr | Sierra SBT GameKing bullet and 101 powder(s). 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. 107.4 fps

  • 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.

    .

    Loading_icon.gif

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%
57377
90%
**09
100%
ADI AR 2208
<<locked>>
90%
56869
89%
**89
100%
ADI AR 2209
<<locked>>
97%
49385
77%
**46
95%
ADI Benchmark 8208
<<locked>>
83%
57203
90%
**76
100%
Accurate 2495
<<locked>>
86%
56753
89%
**20
100%
Accurate 2700
<<locked>>
87%
57029
89%
**49
98%
Accurate 3100
<<locked>>
97%
42148
66%
**82
96%
Accurate 4064
<<locked>>
88%
57261
90%
**76
100%
Accurate 4350 👍
<<locked>>
96%
57087
89%
**68
100%
Alliant Power Pro 2000-MR
<<locked>>
86%
57276
90%
**40
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
57246
90%
**15
100%
Alliant Reloder-15
<<locked>>
87%
57392
90%
**31
100%
Alliant Reloder-16 👍
<<locked>>
96%
54940
86%
**81
100%
Alliant Reloder-17
<<locked>>
93%
56405
88%
**17
100%
Alliant Reloder-19
<<locked>>
97%
48196
76%
**23
95%
[Alliant Reloder-22]*
<<locked>>
96%
41829
66%
**41
93%
Alliant Reloder-23
<<locked>>
96%
39581
62%
**99
99%
[Alliant Reloder-25]*
<<locked>>
97%
35520
56%
**00
94%
Alliant Reloder-26
<<locked>>
97%
45063
71%
**89
99%
Baschieri & Pellagri 107
<<locked>>
84%
56652
89%
**18
100%
[Bofors RP15]*
<<locked>>
97%
38986
61%
**66
92%
Bofors RP3
<<locked>>
89%
56115
88%
**99
100%
[Bofors RP5]*
<<locked>>
96%
41829
66%
**41
93%
Bofors RP7
<<locked>>
93%
56115
88%
**82
98%
Hodgdon H380
<<locked>>
89%
57130
90%
**22
100%
Hodgdon H414
<<locked>>
94%
56260
88%
**71
99%
Hodgdon H4350
<<locked>>
92%
56304
88%
**25
97%
[Hodgdon H4831]*
<<locked>>
96%
46630
73%
**58
92%
Hodgdon H4895
<<locked>>
84%
56652
89%
**99
100%
Hodgdon Hybrid 100V
<<locked>>
96%
51372
80%
**46
100%
Hodgdon Superperformance
<<locked>>
95%
57290
90%
**17
98%
Hodgdon VARGET
<<locked>>
85%
56681
89%
**82
100%
Hodgdon LEVERevolution
<<locked>>
86%
56362
88%
**35
100%
Hodgdon TrailBoss
<<locked>>
96%
34142
53%
**04
100%
IMR 3031
<<locked>>
84%
56927
89%
**79
100%
IMR 4064
<<locked>>
88%
57261
90%
**86
100%
IMR 4166 Enduron
<<locked>>
86%
56289
88%
**59
98%
IMR 4350
<<locked>>
97%
56855
89%
**15
98%
IMR 4451 Enduron
<<locked>>
92%
56246
88%
**82
98%
IMR 4831
<<locked>>
97%
54824
86%
**18
100%
IMR 4895
<<locked>>
87%
57406
90%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49342
77%
**77
93%
IMR 8208 XBR
<<locked>>
83%
57203
90%
**76
100%
Lovex D073.6
<<locked>>
85%
57276
90%
**79
100%
Lovex S060
<<locked>>
85%
56753
89%
**33
100%
Lovex S062
<<locked>>
88%
56260
88%
**66
100%
Lovex S065
<<locked>>
94%
56391
88%
**89
99%
Lovex S070
<<locked>>
95%
56101
88%
**05
99%
[Lovex S071]*
<<locked>>
97%
35041
55%
**21
94%
Norma 201
<<locked>>
85%
57435
90%
**76
100%
Norma 202
<<locked>>
85%
56608
89%
**56
100%
Norma 203B
<<locked>>
87%
56565
89%
**15
100%
Norma 204
<<locked>>
97%
57406
90%
**61
97%
Norma MRP
<<locked>>
97%
44686
70%
**36
96%
Norma URP 👍
<<locked>>
97%
56971
89%
**68
100%
Ramshot Big Game
<<locked>>
87%
56521
89%
**38
100%
Ramshot Hunter
<<locked>>
97%
55869
88%
**71
99%
ReloadSwiss RS 14
<<locked>>
95%
34330
54%
**37
100%
ReloadSwiss RS 50
<<locked>>
89%
56724
89%
**92
99%
ReloadSwiss RS 52
<<locked>>
85%
57392
90%
**87
100%
ReloadSwiss RS 60
<<locked>>
91%
57319
90%
**30
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
56652
89%
**84
100%
ReloadSwiss RS 70
<<locked>>
96%
56478
89%
**27
100%
Rottweil R 902
<<locked>>
87%
57421
90%
**66
100%
Rottweil R 903
<<locked>>
91%
56666
89%
**05
100%
[Rottweil R 904]*
<<locked>>
96%
50096
79%
**04
94%
Rottweil R 905
<<locked>>
97%
47108
74%
**04
95%
Rottweil R 907
<<locked>>
93%
56115
88%
**82
98%
SNPE Vectan SP 11
<<locked>>
90%
56449
88%
**38
100%
SNPE Vectan SP 7
<<locked>>
84%
56724
89%
**89
100%
SNPE Vectan SP 9
<<locked>>
85%
56492
89%
**89
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
57174
90%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
56449
88%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
56840
89%
**40
98%
SNPE Vectan Tubal 8000
<<locked>>
97%
46659
73%
**07
95%
Shooters World Long Rifle
<<locked>>
94%
56391
88%
**89
99%
Shooters World Match Rifle
<<locked>>
85%
57276
90%
**79
100%
Shooters World Precision
<<locked>>
88%
56260
88%
**66
100%
Somchem S335
<<locked>>
85%
56898
89%
**87
100%
Somchem S341
<<locked>>
84%
56565
89%
**72
100%
Somchem S355
<<locked>>
91%
57348
90%
**05
100%
[Somchem S361]*
<<locked>>
96%
52098
82%
**00
94%
Somchem S365
<<locked>>
97%
52069
82%
**18
100%
Somchem S385
<<locked>>
96%
47500
74%
**87
96%
Vihtavuori N133
<<locked>>
84%
56391
88%
**48
100%
Vihtavuori N135
<<locked>>
88%
56898
89%
**17
100%
Vihtavuori N140
<<locked>>
87%
57217
90%
**33
100%
Vihtavuori N150
<<locked>>
92%
57305
90%
**63
100%
Vihtavuori N160
<<locked>>
95%
56811
89%
**28
100%
[Vihtavuori N165]*
<<locked>>
97%
41133
64%
**36
94%
Vihtavuori N530
<<locked>>
83%
57261
90%
**69
100%
Vihtavuori N540
<<locked>>
87%
56782
89%
**43
100%
Vihtavuori N550 👍
<<locked>>
96%
56666
89%
**45
100%
Vihtavuori N555
<<locked>>
97%
44599
70%
**00
99%
[Vihtavuori N560]*
<<locked>>
97%
45527
71%
**23
92%
Winchester 6.5 StaBALL
<<locked>>
95%
57145
90%
**05
100%
Winchester 748
<<locked>>
83%
57421
90%
**12
100%
Winchester 760
<<locked>>
94%
56260
88%
**71
99%
Winchester StaBALL HD
<<locked>>
97%
35839
56%
**18
99%
Winchester StaBALL Match
<<locked>>
85%
56391
88%
**99
100%
[Winchester Supreme 780]*
<<locked>>
97%
45136
71%
**22
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51256
80%
**10
100%
ADI AR 2208
<<locked>>
81%
43381
68%
**53
99%
[ADI AR 2209]*
<<locked>>
88%
36564
57%
**57
90%
ADI Benchmark 8208
<<locked>>
81%
53417
84%
**17
100%
Accurate 2495
<<locked>>
81%
48124
75%
**92
100%
Accurate 2700
<<locked>>
81%
46601
73%
**72
96%
[Accurate 3100]*
<<locked>>
85%
27731
43%
**21
90%
Accurate 4064
<<locked>>
81%
45556
71%
**92
100%
Accurate 4350
<<locked>>
81%
33968
53%
**18
96%
Alliant Power Pro 2000-MR
<<locked>>
81%
47427
74%
**69
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
43410
68%
**79
100%
Alliant Reloder-15
<<locked>>
81%
46644
73%
**48
99%
Alliant Reloder-16
<<locked>>
81%
33808
53%
**21
96%
Alliant Reloder-17
<<locked>>
81%
37855
59%
**59
99%
[Alliant Reloder-19]*
<<locked>>
87%
35186
55%
**35
90%
[Alliant Reloder-22]*
<<locked>>
91%
35592
56%
**84
90%
[Alliant Reloder-23]*
<<locked>>
81%
24497
38%
**52
92%
[Alliant Reloder-25]*
<<locked>>
91%
29733
47%
**20
90%
[Alliant Reloder-26]*
<<locked>>
83%
27630
43%
**10
91%
Baschieri & Pellagri 107
<<locked>>
81%
50589
79%
**17
99%
[Bofors RP15]*
<<locked>>
94%
35737
56%
**84
90%
Bofors RP3
<<locked>>
81%
43294
68%
**85
100%
[Bofors RP5]*
<<locked>>
91%
35592
56%
**84
90%
[Bofors RP7]*
<<locked>>
81%
38943
61%
**48
94%
Hodgdon H380
<<locked>>
81%
44382
70%
**92
98%
[Hodgdon H414]*
<<locked>>
81%
36230
57%
**61
93%
[Hodgdon H4350]*
<<locked>>
81%
39102
61%
**87
93%
[Hodgdon H4831]*
<<locked>>
94%
42351
66%
**69
90%
Hodgdon H4895
<<locked>>
81%
51779
81%
**23
100%
Hodgdon Hybrid 100V
<<locked>>
81%
31009
49%
**10
96%
[Hodgdon Superperformance]*
<<locked>>
81%
35447
56%
**57
92%
Hodgdon VARGET
<<locked>>
81%
49458
78%
**71
100%
Hodgdon LEVERevolution
<<locked>>
81%
48095
75%
**00
100%
Hodgdon TrailBoss
<<locked>>
81%
27470
43%
**57
100%
IMR 3031
<<locked>>
81%
51822
81%
**07
100%
IMR 4064
<<locked>>
81%
45643
72%
**92
99%
IMR 4166 Enduron
<<locked>>
81%
48240
76%
**12
97%
[IMR 4350]*
<<locked>>
81%
34664
54%
**66
92%
IMR 4451 Enduron
<<locked>>
81%
40219
63%
**74
95%
IMR 4831
<<locked>>
81%
32692
51%
**69
95%
IMR 4895
<<locked>>
81%
47906
75%
**87
100%
[IMR 4955 Enduron]*
<<locked>>
90%
40321
63%
**94
90%
IMR 8208 XBR
<<locked>>
81%
53417
84%
**17
100%
Lovex D073.6
<<locked>>
81%
51227
80%
**90
100%
Lovex S060
<<locked>>
81%
50807
80%
**44
100%
Lovex S062
<<locked>>
81%
45890
72%
**95
100%
Lovex S065
<<locked>>
81%
37666
59%
**25
95%
[Lovex S070]*
<<locked>>
81%
35723
56%
**92
93%
[Lovex S071]*
<<locked>>
90%
28065
44%
**31
90%
Norma 201
<<locked>>
81%
50125
79%
**58
100%
Norma 202
<<locked>>
81%
50647
79%
**54
100%
Norma 203B
<<locked>>
81%
46166
72%
**38
100%
[Norma 204]*
<<locked>>
83%
36071
57%
**31
90%
[Norma MRP]*
<<locked>>
87%
32489
51%
**25
90%
Norma URP
<<locked>>
81%
33837
53%
**08
95%
Ramshot Big Game
<<locked>>
81%
46064
72%
**61
99%
[Ramshot Hunter]*
<<locked>>
81%
33069
52%
**92
93%
ReloadSwiss RS 14
<<locked>>
81%
27659
43%
**90
100%
ReloadSwiss RS 50
<<locked>>
81%
44498
70%
**72
97%
ReloadSwiss RS 52
<<locked>>
81%
49647
78%
**66
100%
ReloadSwiss RS 60
<<locked>>
81%
40248
63%
**25
100%
ReloadSwiss RS 62
<<locked>>
81%
33663
53%
**28
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33402
52%
**25
94%
Rottweil R 902
<<locked>>
81%
47950
75%
**12
100%
Rottweil R 903
<<locked>>
81%
40814
64%
**26
99%
[Rottweil R 904]*
<<locked>>
88%
38914
61%
**74
90%
[Rottweil R 905]*
<<locked>>
87%
34635
54%
**21
90%
[Rottweil R 907]*
<<locked>>
81%
38943
61%
**48
94%
SNPE Vectan SP 11
<<locked>>
81%
41974
66%
**79
99%
SNPE Vectan SP 7
<<locked>>
81%
51721
81%
**07
99%
SNPE Vectan SP 9
<<locked>>
81%
49501
78%
**77
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50937
80%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42743
67%
**51
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36738
58%
**62
94%
[SNPE Vectan Tubal 8000]*
<<locked>>
88%
35302
55%
**44
90%
Shooters World Long Rifle
<<locked>>
81%
37666
59%
**25
95%
Shooters World Match Rifle
<<locked>>
81%
51227
80%
**90
100%
Shooters World Precision
<<locked>>
81%
45890
72%
**95
100%
Somchem S335
<<locked>>
81%
50908
80%
**02
100%
Somchem S341
<<locked>>
81%
51590
81%
**04
100%
Somchem S355
<<locked>>
81%
41539
65%
**26
99%
[Somchem S361]*
<<locked>>
90%
41568
65%
**97
90%
Somchem S365
<<locked>>
81%
30705
48%
**69
98%
[Somchem S385]*
<<locked>>
84%
31908
50%
**26
90%
Vihtavuori N133
<<locked>>
81%
51401
81%
**82
100%
Vihtavuori N135
<<locked>>
81%
44904
70%
**40
100%
Vihtavuori N140
<<locked>>
81%
47877
75%
**89
100%
Vihtavuori N150
<<locked>>
81%
39436
62%
**61
100%
Vihtavuori N160
<<locked>>
81%
35462
56%
**12
96%
[Vihtavuori N165]*
<<locked>>
90%
33649
53%
**59
90%
Vihtavuori N530
<<locked>>
81%
53563
84%
**10
100%
Vihtavuori N540
<<locked>>
81%
46369
73%
**82
100%
Vihtavuori N550
<<locked>>
81%
35056
55%
**15
96%
[Vihtavuori N555]*
<<locked>>
81%
26179
41%
**28
92%
[Vihtavuori N560]*
<<locked>>
94%
41394
65%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34882
55%
**89
98%
Winchester 748
<<locked>>
81%
53635
84%
**53
100%
[Winchester 760]*
<<locked>>
81%
36230
57%
**61
93%
[Winchester StaBALL HD]*
<<locked>>
84%
24004
38%
**88
91%
Winchester StaBALL Match
<<locked>>
81%
49371
77%
**90
100%
[Winchester Supreme 780]*
<<locked>>
90%
35607
56%
**08
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.

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

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