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Load data for 6 mm GT + .243 | 105gr | Berger BT

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Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11

6 mm GT + .243 | 105gr | Berger BT

Load Specifications

Bullet:
.243 | 105gr | Berger BT
Bullet Weight:
105gr | 6.8g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
1.168" | 29.7mm
Caliber:
6 mm GT load data
Case Length (l3):
1.725" | 43.8mm
Cartridge Length (C.O.L.):
2.477" | 62.9mm
Seated Depth:
0.416" | 10.6mm
Shank Seated Depth:
0.316" | 8.0mm
Case Capacity:
43.2 Grains of Water | 2.81 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
61931 psi | 4270 bar
LID:
LID_B955_C940
Last updated:
2025-02-02
Recommended Twist Rate:
1:9 - 1:7

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 182 loads in caliber 6 mm GT with .243 | 105gr | Berger BT bullet and 91 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. 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>>
88%
55056
89%
**95
100%
ADI AR 2208
<<locked>>
93%
54201
88%
**66
100%
Accurate 2015
<<locked>>
84%
54607
88%
**84
100%
Accurate 2200
<<locked>>
86%
55027
89%
**62
99%
Accurate 2495
<<locked>>
86%
54012
87%
**40
100%
Accurate 2520
<<locked>>
86%
54578
88%
**72
100%
Accurate 2700
<<locked>>
94%
55608
90%
**30
97%
[Accurate 3100]*
<<locked>>
97%
33736
54%
**54
92%
Accurate 4064
<<locked>>
92%
55317
89%
**79
100%
Accurate 4350
<<locked>>
97%
47877
77%
**56
99%
Alliant AR-Comp
<<locked>>
86%
55608
90%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
54824
89%
**05
100%
Alliant Reloder-15
<<locked>>
91%
55651
90%
**25
100%
Alliant Reloder-16
<<locked>>
97%
47326
76%
**62
99%
Alliant Reloder-17 👍
<<locked>>
97%
54201
88%
**00
100%
Alliant Reloder-23
<<locked>>
97%
33794
55%
**03
97%
[Alliant Reloder-26]*
<<locked>>
96%
36042
58%
**02
94%
Baschieri & Pellagri 107
<<locked>>
88%
55477
90%
**22
100%
Hodgdon BL-C2
<<locked>>
87%
55419
89%
**18
100%
Hodgdon Benchmark
<<locked>>
85%
55201
89%
**20
100%
Hodgdon CFE223 👍
<<locked>>
91%
54969
89%
**54
99%
Hodgdon H322
<<locked>>
85%
55535
90%
**53
100%
Hodgdon H380
<<locked>>
93%
55738
90%
**18
99%
Hodgdon H414
<<locked>>
96%
54723
88%
**64
98%
Hodgdon H4350
<<locked>>
97%
45934
74%
**51
95%
Hodgdon Hybrid 100V
<<locked>>
96%
42743
69%
**35
99%
Hodgdon LVR
<<locked>>
97%
51866
84%
**05
99%
Hodgdon Superperformance
<<locked>>
97%
51358
83%
**22
96%
Hodgdon VARGET
<<locked>>
94%
54897
89%
**76
100%
IMR 3031
<<locked>>
90%
54433
88%
**79
100%
IMR 4064
<<locked>>
94%
54766
88%
**72
100%
IMR 4166 Enduron
<<locked>>
94%
55477
90%
**56
97%
IMR 4350
<<locked>>
97%
48225
78%
**84
95%
IMR 4451 Enduron
<<locked>>
96%
55492
90%
**82
97%
IMR 4831
<<locked>>
96%
40248
65%
**92
97%
IMR 4895
<<locked>>
90%
55622
90%
**35
100%
IMR 8208 XBR
<<locked>>
86%
54810
89%
**62
100%
Lovex D073.6
<<locked>>
88%
54578
88%
**72
100%
Lovex S060
<<locked>>
88%
55172
89%
**36
100%
Lovex S062
<<locked>>
92%
54911
89%
**76
100%
Lovex S065
<<locked>>
97%
52765
85%
**53
98%
Lovex S070
<<locked>>
97%
49922
81%
**20
97%
Norma 201
<<locked>>
89%
55637
90%
**69
100%
Norma 202
<<locked>>
88%
54505
88%
**53
100%
Norma 203B
<<locked>>
91%
54824
89%
**12
100%
[Norma 204]*
<<locked>>
97%
48805
79%
**33
94%
Norma URP
<<locked>>
97%
47616
77%
**46
98%
Ramshot Big Game 👍
<<locked>>
91%
55463
90%
**41
100%
Ramshot Hunter
<<locked>>
97%
47094
76%
**36
97%
Ramshot TAC
<<locked>>
86%
54621
88%
**72
99%
Ramshot Wild Boar
<<locked>>
87%
55390
89%
**12
100%
Ramshot X-Terminator
<<locked>>
84%
54781
88%
**49
100%
ReloadSwiss RS 14
<<locked>>
96%
34011
55%
**93
100%
ReloadSwiss RS 50
<<locked>>
92%
54752
88%
**82
98%
ReloadSwiss RS 52
<<locked>>
92%
55172
89%
**44
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
52591
85%
**90
100%
ReloadSwiss RS 62
<<locked>>
97%
47601
77%
**69
98%
ReloadSwiss RS 70
<<locked>>
96%
47413
77%
**82
98%
Rottweil R 901
<<locked>>
86%
54563
88%
**23
100%
Rottweil R 902
<<locked>>
90%
54839
89%
**56
100%
Rottweil R 903
<<locked>>
95%
54549
88%
**02
100%
Rottweil R 907
<<locked>>
96%
53838
87%
**59
97%
SNPE Vectan SP 11 👍
<<locked>>
94%
55259
89%
**48
100%
SNPE Vectan SP 7
<<locked>>
87%
54607
88%
**72
99%
SNPE Vectan SP 9
<<locked>>
88%
54447
88%
**85
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
54897
89%
**80
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
55535
90%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
52924
85%
**00
97%
Shooters World Long Rifle
<<locked>>
97%
52765
85%
**53
98%
Shooters World Match Rifle
<<locked>>
88%
54578
88%
**72
100%
Shooters World Precision
<<locked>>
92%
54911
89%
**76
100%
Somchem S321
<<locked>>
83%
54273
88%
**66
100%
Somchem S335
<<locked>>
88%
55158
89%
**90
100%
Somchem S341
<<locked>>
87%
54911
89%
**79
100%
Somchem S355
<<locked>>
95%
55332
89%
**02
100%
Somchem S365
<<locked>>
97%
42554
69%
**94
100%
[Somchem S385]*
<<locked>>
96%
39247
63%
**59
92%
Vihtavuori N130
<<locked>>
85%
55564
90%
**61
100%
Vihtavuori N133
<<locked>>
89%
54143
87%
**57
100%
Vihtavuori N135
<<locked>>
96%
55129
89%
**30
100%
Vihtavuori N140
<<locked>>
90%
54375
88%
**20
100%
Vihtavuori N150
<<locked>>
97%
49487
80%
**80
100%
Vihtavuori N160
<<locked>>
96%
52025
84%
**69
99%
Vihtavuori N530
<<locked>>
84%
54897
89%
**76
100%
Vihtavuori N540
<<locked>>
90%
54534
88%
**59
100%
Vihtavuori N550
<<locked>>
96%
51808
84%
**08
99%
Vihtavuori N555
<<locked>>
96%
35375
57%
**56
96%
Winchester 6.5 StaBALL
<<locked>>
96%
49661
80%
**10
100%
Winchester 748
<<locked>>
84%
55535
90%
**15
100%
Winchester 760
<<locked>>
96%
54723
88%
**64
98%
Winchester StaBALL HD
<<locked>>
97%
29921
48%
**54
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44295
72%
**15
99%
ADI AR 2208
<<locked>>
81%
37855
61%
**77
97%
Accurate 2015
<<locked>>
81%
50183
81%
**21
100%
Accurate 2200
<<locked>>
81%
46543
75%
**28
98%
Accurate 2495
<<locked>>
81%
45397
73%
**18
100%
Accurate 2520
<<locked>>
81%
45977
74%
**44
100%
[Accurate 2700]*
<<locked>>
81%
36013
58%
**75
91%
[Accurate 3100]*
<<locked>>
93%
30023
48%
**59
90%
Accurate 4064
<<locked>>
81%
38232
62%
**07
100%
[Accurate 4350]*
<<locked>>
81%
27659
45%
**13
92%
Alliant AR-Comp
<<locked>>
81%
46441
75%
**18
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37028
60%
**93
98%
Alliant Reloder-15
<<locked>>
81%
40001
65%
**56
98%
[Alliant Reloder-16]*
<<locked>>
81%
28863
47%
**26
92%
Alliant Reloder-17
<<locked>>
81%
31923
52%
**48
96%
[Alliant Reloder-23]*
<<locked>>
86%
24439
39%
**11
90%
[Alliant Reloder-26]*
<<locked>>
91%
29776
48%
**28
91%
Baschieri & Pellagri 107
<<locked>>
81%
43424
70%
**18
98%
Hodgdon BL-C2
<<locked>>
81%
45759
74%
**74
100%
Hodgdon Benchmark
<<locked>>
81%
48167
78%
**18
100%
Hodgdon CFE223
<<locked>>
81%
38189
62%
**56
96%
Hodgdon H322
<<locked>>
81%
49647
80%
**74
100%
Hodgdon H380
<<locked>>
81%
37507
61%
**93
95%
[Hodgdon H414]*
<<locked>>
81%
33098
53%
**34
90%
[Hodgdon H4350]*
<<locked>>
88%
34911
56%
**18
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26382
43%
**38
93%
[Hodgdon LVR]*
<<locked>>
81%
31198
50%
**79
92%
[Hodgdon Superperformance]*
<<locked>>
86%
34969
56%
**90
90%
Hodgdon VARGET
<<locked>>
81%
37420
60%
**64
97%
IMR 3031
<<locked>>
81%
40480
65%
**62
100%
IMR 4064
<<locked>>
81%
36970
60%
**48
97%
[IMR 4166 Enduron]*
<<locked>>
81%
36927
60%
**11
92%
[IMR 4350]*
<<locked>>
86%
34751
56%
**15
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35056
57%
**98
91%
[IMR 4831]*
<<locked>>
82%
25440
41%
**24
90%
IMR 4895
<<locked>>
81%
40886
66%
**82
98%
IMR 8208 XBR
<<locked>>
81%
46398
75%
**28
100%
Lovex D073.6
<<locked>>
81%
43439
70%
**02
100%
Lovex S060
<<locked>>
81%
44425
72%
**59
99%
Lovex S062
<<locked>>
81%
39291
63%
**10
99%
[Lovex S065]*
<<locked>>
81%
32285
52%
**46
92%
[Lovex S070]*
<<locked>>
82%
31372
51%
**39
90%
Norma 201
<<locked>>
81%
43410
70%
**72
99%
Norma 202
<<locked>>
81%
43758
71%
**82
100%
Norma 203B
<<locked>>
81%
39247
63%
**43
98%
[Norma 204]*
<<locked>>
90%
38972
63%
**33
90%
[Norma URP]*
<<locked>>
81%
28587
46%
**23
92%
Ramshot Big Game
<<locked>>
81%
38696
62%
**52
98%
[Ramshot Hunter]*
<<locked>>
83%
30516
49%
**65
90%
Ramshot TAC
<<locked>>
81%
46586
75%
**41
97%
Ramshot Wild Boar
<<locked>>
81%
45934
74%
**57
99%
Ramshot X-Terminator
<<locked>>
81%
50444
81%
**80
99%
ReloadSwiss RS 14
<<locked>>
91%
31647
51%
**50
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38305
62%
**87
94%
ReloadSwiss RS 52
<<locked>>
81%
37855
61%
**52
99%
ReloadSwiss RS 60
<<locked>>
81%
31212
50%
**41
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
27978
45%
**26
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
29791
48%
**59
90%
Rottweil R 901
<<locked>>
81%
47558
77%
**15
100%
Rottweil R 902
<<locked>>
81%
41539
67%
**33
99%
Rottweil R 903
<<locked>>
81%
34505
56%
**41
97%
[Rottweil R 907]*
<<locked>>
82%
34592
56%
**85
90%
SNPE Vectan SP 11
<<locked>>
81%
35491
57%
**84
97%
SNPE Vectan SP 7
<<locked>>
81%
44672
72%
**08
97%
SNPE Vectan SP 9
<<locked>>
81%
42830
69%
**92
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45063
73%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37246
60%
**98
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31488
51%
**97
90%
[Shooters World Long Rifle]*
<<locked>>
81%
32285
52%
**46
92%
Shooters World Match Rifle
<<locked>>
81%
43439
70%
**02
100%
Shooters World Precision
<<locked>>
81%
39291
63%
**10
99%
Somchem S321
<<locked>>
81%
50024
81%
**07
100%
Somchem S335
<<locked>>
81%
44353
72%
**33
100%
Somchem S341
<<locked>>
81%
44164
71%
**05
99%
Somchem S355
<<locked>>
81%
35375
57%
**48
97%
[Somchem S365]*
<<locked>>
81%
25541
41%
**70
94%
[Somchem S385]*
<<locked>>
92%
33982
55%
**38
90%
Vihtavuori N130
<<locked>>
81%
49835
80%
**79
100%
Vihtavuori N133
<<locked>>
81%
42177
68%
**77
100%
Vihtavuori N135
<<locked>>
81%
34621
56%
**98
100%
Vihtavuori N140
<<locked>>
81%
41089
66%
**16
100%
Vihtavuori N150
<<locked>>
81%
30385
49%
**13
97%
[Vihtavuori N160]*
<<locked>>
81%
31140
50%
**59
93%
Vihtavuori N530
<<locked>>
81%
48863
79%
**77
100%
Vihtavuori N540
<<locked>>
81%
40335
65%
**26
100%
[Vihtavuori N550]*
<<locked>>
81%
31256
50%
**92
93%
[Vihtavuori N555]*
<<locked>>
85%
24584
40%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29892
48%
**03
95%
Winchester 748
<<locked>>
81%
49632
80%
**30
100%
[Winchester 760]*
<<locked>>
81%
33098
53%
**34
90%
[Winchester StaBALL HD]*
<<locked>>
92%
25628
41%
**97
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.

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