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Load data for 6 mm GT + .243 | 90gr | Sierra FMJBT GameKing

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

6 mm GT + .243 | 90gr | Sierra FMJBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 90gr | Sierra FMJBT GameKing
Manufacturer SKU:
1535
Bullet Weight:
90gr | 5.8g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
0.969" | 24.6mm
Caliber:
6 mm GT load data
Case Length (l3):
1.725" | 43.8mm
Cartridge Length (C.O.L.):
2.472" | 62.8mm
Seated Depth:
0.222" | 5.6mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
43.2 Grains of Water | 2.81 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
61931 psi | 4270 bar
LID:
LID_B5774_C940
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 186 loads in caliber 6 mm GT with .243 | 90gr | Sierra FMJBT GameKing bullet and 93 powders such as Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52. 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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    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 2206H
<<locked>>
90%
55347
89%
**31
99%
ADI AR 2208
<<locked>>
96%
55738
90%
**22
99%
Accurate 2015
<<locked>>
86%
55593
90%
**33
100%
Accurate 2200
<<locked>>
88%
55521
90%
**95
98%
Accurate 2230
<<locked>>
84%
55724
90%
**79
100%
Accurate 2460
<<locked>>
84%
55187
89%
**76
100%
Accurate 2495
<<locked>>
89%
54476
88%
**82
100%
Accurate 2520
<<locked>>
88%
54911
89%
**12
100%
Accurate 2700
<<locked>>
96%
55680
90%
**33
95%
Accurate 4064
<<locked>>
94%
54737
88%
**12
100%
Accurate 4350
<<locked>>
96%
43830
71%
**90
96%
Alliant AR-Comp
<<locked>>
88%
54563
88%
**72
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
54592
88%
**28
100%
Alliant Reloder-10x
<<locked>>
84%
55419
89%
**40
100%
Alliant Reloder-15 👍
<<locked>>
93%
55274
89%
**51
99%
Alliant Reloder-16
<<locked>>
97%
44382
72%
**13
97%
Alliant Reloder-17
<<locked>>
97%
50662
82%
**64
99%
[Alliant Reloder-23]*
<<locked>>
97%
31517
51%
**08
93%
Baschieri & Pellagri 107
<<locked>>
90%
55288
89%
**38
99%
Hodgdon BL-C2
<<locked>>
88%
55550
90%
**51
100%
Hodgdon Benchmark
<<locked>>
87%
54607
88%
**46
100%
Hodgdon CFE223
<<locked>>
94%
55579
90%
**87
99%
Hodgdon H322
<<locked>>
86%
54998
89%
**86
100%
Hodgdon H380
<<locked>>
94%
54215
88%
**15
98%
Hodgdon H414
<<locked>>
97%
52489
85%
**38
96%
[Hodgdon H4350]*
<<locked>>
97%
43062
70%
**89
92%
Hodgdon Hybrid 100V
<<locked>>
96%
39987
65%
**82
97%
Hodgdon LVR
<<locked>>
96%
48109
78%
**59
97%
[Hodgdon Superperformance]*
<<locked>>
97%
48356
78%
**69
93%
Hodgdon VARGET
<<locked>>
95%
54940
89%
**09
99%
Hodgdon TrailBoss
<<locked>>
96%
33228
54%
**08
100%
IMR 3031
<<locked>>
93%
54694
88%
**25
100%
IMR 4064
<<locked>>
96%
54288
88%
**89
99%
IMR 4166 Enduron
<<locked>>
96%
55738
90%
**72
96%
[IMR 4350]*
<<locked>>
97%
45063
73%
**31
93%
IMR 4451 Enduron
<<locked>>
97%
53722
87%
**72
96%
IMR 4831
<<locked>>
96%
37507
61%
**33
95%
IMR 4895 👍
<<locked>>
92%
55172
89%
**64
99%
IMR 8208 XBR
<<locked>>
88%
55201
89%
**95
100%
Lovex D073.5
<<locked>>
84%
55187
89%
**76
100%
Lovex D073.6
<<locked>>
90%
55434
90%
**22
100%
Lovex S060
<<locked>>
89%
54665
88%
**46
99%
Lovex S062
<<locked>>
94%
54868
89%
**95
100%
Lovex S065
<<locked>>
97%
49690
80%
**10
96%
[Lovex S070]*
<<locked>>
97%
46934
76%
**77
94%
Norma 201
<<locked>>
90%
54534
88%
**86
100%
Norma 202
<<locked>>
90%
54824
89%
**89
100%
Norma 203B 👍
<<locked>>
93%
54418
88%
**41
99%
Norma URP
<<locked>>
97%
44280
71%
**97
96%
Ramshot Big Game 👍
<<locked>>
93%
55303
89%
**68
99%
[Ramshot Hunter]*
<<locked>>
97%
44077
71%
**87
94%
Ramshot TAC
<<locked>>
88%
55143
89%
**02
98%
Ramshot Wild Boar
<<locked>>
88%
54534
88%
**18
99%
Ramshot X-Terminator
<<locked>>
86%
55550
90%
**82
99%
ReloadSwiss RS 14
<<locked>>
96%
33257
54%
**44
100%
ReloadSwiss RS 40
<<locked>>
84%
54549
88%
**76
100%
ReloadSwiss RS 50
<<locked>>
94%
55463
90%
**09
97%
ReloadSwiss RS 52 👍
<<locked>>
94%
54868
89%
**71
100%
ReloadSwiss RS 60
<<locked>>
97%
49255
80%
**54
100%
ReloadSwiss RS 62
<<locked>>
97%
44106
71%
**17
96%
ReloadSwiss RS 70
<<locked>>
96%
44483
72%
**23
95%
Rottweil R 901
<<locked>>
88%
55637
90%
**72
100%
Rottweil R 902
<<locked>>
92%
54636
88%
**79
100%
Rottweil R 903
<<locked>>
97%
53766
87%
**22
100%
Rottweil R 907
<<locked>>
97%
51967
84%
**40
95%
SNPE Vectan SP 11
<<locked>>
96%
54926
89%
**64
99%
SNPE Vectan SP 7
<<locked>>
89%
54621
88%
**89
98%
SNPE Vectan SP 9
<<locked>>
91%
55085
89%
**15
99%
SNPE Vectan Tubal 3000
<<locked>>
89%
54650
88%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
54346
88%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
49356
80%
**51
95%
Shooters World Long Rifle
<<locked>>
97%
49690
80%
**10
96%
Shooters World Match Rifle
<<locked>>
90%
55434
90%
**22
100%
Shooters World Precision
<<locked>>
94%
54868
89%
**95
100%
Somchem S321
<<locked>>
85%
55114
89%
**09
100%
Somchem S335
<<locked>>
90%
55738
90%
**30
100%
Somchem S341
<<locked>>
89%
55129
89%
**05
99%
Somchem S355
<<locked>>
97%
54737
88%
**22
100%
Somchem S365
<<locked>>
97%
39305
63%
**31
98%
Vihtavuori N130
<<locked>>
86%
55593
90%
**97
100%
Vihtavuori N133
<<locked>>
92%
55259
89%
**00
100%
Vihtavuori N135
<<locked>>
96%
51532
83%
**13
100%
Vihtavuori N140
<<locked>>
92%
54375
88%
**56
100%
Vihtavuori N150
<<locked>>
97%
46079
74%
**41
99%
Vihtavuori N160
<<locked>>
97%
49356
80%
**43
97%
Vihtavuori N530
<<locked>>
87%
55405
89%
**15
100%
Vihtavuori N540
<<locked>>
93%
55085
89%
**95
100%
Vihtavuori N550
<<locked>>
96%
48733
79%
**82
97%
[Vihtavuori N555]*
<<locked>>
96%
32605
53%
**77
93%
Winchester 6.5 StaBALL
<<locked>>
97%
47732
77%
**87
99%
Winchester 748
<<locked>>
85%
54476
88%
**31
100%
Winchester 760
<<locked>>
97%
52489
85%
**38
96%
Winchester StaBALL Match
<<locked>>
84%
55071
89%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41495
67%
**79
97%
[ADI AR 2208]*
<<locked>>
81%
35708
58%
**21
94%
Accurate 2015
<<locked>>
81%
47413
77%
**05
100%
Accurate 2200
<<locked>>
81%
43772
71%
**82
96%
Accurate 2230
<<locked>>
81%
49980
81%
**90
99%
Accurate 2460
<<locked>>
81%
49705
80%
**87
100%
Accurate 2495
<<locked>>
81%
42235
68%
**92
100%
Accurate 2520
<<locked>>
81%
43062
70%
**15
100%
[Accurate 2700]*
<<locked>>
86%
39740
64%
**48
90%
Accurate 4064
<<locked>>
81%
35534
57%
**57
99%
[Accurate 4350]*
<<locked>>
85%
29138
47%
**39
90%
Alliant AR-Comp
<<locked>>
81%
43366
70%
**99
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
34534
56%
**31
96%
Alliant Reloder-10x
<<locked>>
81%
51155
83%
**74
100%
Alliant Reloder-15
<<locked>>
81%
37304
60%
**00
95%
[Alliant Reloder-16]*
<<locked>>
85%
30879
50%
**69
91%
[Alliant Reloder-17]*
<<locked>>
81%
30066
49%
**75
93%
[Alliant Reloder-23]*
<<locked>>
93%
27731
45%
**87
90%
Baschieri & Pellagri 107
<<locked>>
81%
40683
66%
**66
96%
Hodgdon BL-C2
<<locked>>
81%
42598
69%
**25
99%
Hodgdon Benchmark
<<locked>>
81%
45629
74%
**92
99%
[Hodgdon CFE223]*
<<locked>>
81%
35708
58%
**90
94%
Hodgdon H322
<<locked>>
81%
46659
75%
**51
100%
[Hodgdon H380]*
<<locked>>
81%
35505
57%
**44
93%
[Hodgdon H414]*
<<locked>>
87%
37246
60%
**23
90%
[Hodgdon H4350]*
<<locked>>
94%
38928
63%
**03
90%
[Hodgdon Hybrid 100V]*
<<locked>>
83%
26107
42%
**95
90%
[Hodgdon LVR]*
<<locked>>
83%
31488
51%
**69
90%
[Hodgdon Superperformance]*
<<locked>>
91%
40466
65%
**02
90%
[Hodgdon VARGET]*
<<locked>>
81%
35346
57%
**08
94%
Hodgdon TrailBoss
<<locked>>
82%
26643
43%
**63
100%
IMR 3031
<<locked>>
81%
37956
61%
**33
100%
[IMR 4064]*
<<locked>>
81%
34519
56%
**85
94%
[IMR 4166 Enduron]*
<<locked>>
83%
36825
59%
**95
90%
[IMR 4350]*
<<locked>>
92%
38682
62%
**90
90%
[IMR 4451 Enduron]*
<<locked>>
84%
36666
59%
**28
90%
[IMR 4831]*
<<locked>>
88%
28601
46%
**00
90%
IMR 4895
<<locked>>
81%
38087
62%
**26
96%
IMR 8208 XBR
<<locked>>
81%
43569
70%
**92
99%
Lovex D073.5
<<locked>>
81%
49705
80%
**87
100%
Lovex D073.6
<<locked>>
81%
40292
65%
**59
99%
Lovex S060
<<locked>>
81%
42148
68%
**20
97%
Lovex S062
<<locked>>
81%
36912
60%
**57
97%
[Lovex S065]*
<<locked>>
83%
32808
53%
**46
90%
[Lovex S070]*
<<locked>>
88%
36100
58%
**38
90%
Norma 201
<<locked>>
81%
40886
66%
**36
98%
Norma 202
<<locked>>
81%
41046
66%
**49
100%
Norma 203B
<<locked>>
81%
36550
59%
**84
96%
[Norma URP]*
<<locked>>
84%
29776
48%
**39
90%
Ramshot Big Game
<<locked>>
81%
36230
59%
**97
95%
[Ramshot Hunter]*
<<locked>>
90%
34983
56%
**67
90%
Ramshot TAC
<<locked>>
81%
43903
71%
**95
95%
Ramshot Wild Boar
<<locked>>
81%
43149
70%
**15
98%
Ramshot X-Terminator
<<locked>>
81%
47732
77%
**48
98%
ReloadSwiss RS 14
<<locked>>
81%
26774
43%
**99
100%
ReloadSwiss RS 40
<<locked>>
81%
49139
79%
**87
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35708
58%
**12
91%
ReloadSwiss RS 52
<<locked>>
81%
35360
57%
**97
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
29225
47%
**52
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
30429
49%
**79
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
34214
55%
**57
90%
Rottweil R 901
<<locked>>
81%
45063
73%
**02
100%
Rottweil R 902
<<locked>>
81%
38754
63%
**84
98%
Rottweil R 903
<<locked>>
81%
31981
52%
**72
95%
[Rottweil R 907]*
<<locked>>
88%
39030
63%
**74
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
33257
54%
**28
94%
SNPE Vectan SP 7
<<locked>>
81%
42018
68%
**59
95%
SNPE Vectan SP 9
<<locked>>
81%
40335
65%
**46
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
42670
69%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35157
57%
**59
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
36448
59%
**98
90%
[Shooters World Long Rifle]*
<<locked>>
83%
32808
53%
**46
90%
Shooters World Match Rifle
<<locked>>
81%
40292
65%
**59
99%
Shooters World Precision
<<locked>>
81%
36912
60%
**57
97%
Somchem S321
<<locked>>
81%
47036
76%
**74
99%
Somchem S335
<<locked>>
81%
41901
68%
**03
100%
Somchem S341
<<locked>>
81%
41394
67%
**56
97%
Somchem S355
<<locked>>
81%
33069
53%
**82
95%
[Somchem S365]*
<<locked>>
81%
23757
38%
**69
90%
Vihtavuori N130
<<locked>>
81%
47384
77%
**72
100%
Vihtavuori N133
<<locked>>
81%
40118
65%
**57
100%
Vihtavuori N135
<<locked>>
81%
32068
52%
**43
100%
Vihtavuori N140
<<locked>>
81%
38508
62%
**80
100%
[Vihtavuori N150]*
<<locked>>
81%
28007
45%
**31
94%
[Vihtavuori N160]*
<<locked>>
82%
29791
48%
**00
90%
Vihtavuori N530
<<locked>>
81%
45919
74%
**44
99%
Vihtavuori N540
<<locked>>
81%
38261
62%
**94
99%
[Vihtavuori N550]*
<<locked>>
82%
30139
49%
**46
90%
[Vihtavuori N555]*
<<locked>>
92%
28572
46%
**52
91%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28123
45%
**25
92%
Winchester 748
<<locked>>
81%
46412
75%
**00
100%
[Winchester 760]*
<<locked>>
87%
37246
60%
**23
90%
Winchester StaBALL Match
<<locked>>
81%
49501
80%
**43
99%

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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