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Load data for 6 mm GT + .243 | 105gr | Speer RN

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N550

6 mm GT + .243 | 105gr | Speer RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 105gr | Speer RN
Manufacturer SKU:
1223
Bullet Weight:
105gr | 6.8g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
0.953" | 24.2mm
Caliber:
6 mm GT load data
Case Length (l3):
1.725" | 43.8mm
Cartridge Length (C.O.L.):
2.477" | 62.9mm
Seated Depth:
0.201" | 5.1mm
Shank Seated Depth:
0.201" | 5.1mm
Case Capacity:
43.2 Grains of Water | 2.81 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
61931 psi | 4270 bar
LID:
LID_B6080_C940
Last updated:
2025-01-01

Load data for 182 loads in caliber 6 mm GT with .243 | 105gr | Speer RN bullet and 91 powders such as Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N550. 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".

  • No data yet

  • 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>>
86%
54984
89%
**22
100%
ADI AR 2208
<<locked>>
91%
54534
88%
**99
100%
[ADI AR 2209]*
<<locked>>
97%
44628
72%
**90
93%
Accurate 2200
<<locked>>
84%
54694
88%
**89
99%
Accurate 2495
<<locked>>
85%
55477
90%
**79
100%
Accurate 2520
<<locked>>
84%
54389
88%
**95
100%
Accurate 2700
<<locked>>
92%
54491
88%
**43
97%
[Accurate 3100]*
<<locked>>
97%
37028
60%
**39
94%
Accurate 4064
<<locked>>
90%
54462
88%
**92
100%
Accurate 4350
<<locked>>
97%
51721
84%
**35
99%
Alliant AR-Comp
<<locked>>
84%
55332
89%
**53
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
55463
90%
**31
100%
Alliant Reloder-15
<<locked>>
89%
55463
90%
**44
100%
Alliant Reloder-16
<<locked>>
96%
49603
80%
**31
99%
Alliant Reloder-17 👍
<<locked>>
95%
54752
88%
**33
100%
[Alliant Reloder-19]*
<<locked>>
97%
43511
70%
**84
93%
Alliant Reloder-23
<<locked>>
97%
35839
58%
**79
98%
Alliant Reloder-26
<<locked>>
97%
39552
64%
**13
97%
Baschieri & Pellagri 107
<<locked>>
86%
55477
90%
**44
100%
Hodgdon BL-C2
<<locked>>
84%
54389
88%
**28
100%
Hodgdon Benchmark
<<locked>>
84%
55071
89%
**43
100%
Hodgdon CFE223 👍
<<locked>>
90%
55608
90%
**90
100%
Hodgdon H380
<<locked>>
91%
55172
89%
**38
99%
Hodgdon H414
<<locked>>
94%
55506
90%
**94
98%
Hodgdon H4350
<<locked>>
97%
48646
79%
**20
96%
Hodgdon Hybrid 100V
<<locked>>
96%
45614
74%
**00
100%
Hodgdon LVR
<<locked>>
96%
54273
88%
**58
99%
Hodgdon Superperformance
<<locked>>
96%
55230
89%
**17
98%
Hodgdon VARGET
<<locked>>
92%
55187
89%
**12
100%
Hodgdon TrailBoss
<<locked>>
96%
33765
55%
**83
100%
IMR 3031
<<locked>>
89%
55709
90%
**15
100%
IMR 4064
<<locked>>
92%
55274
89%
**02
100%
IMR 4166 Enduron
<<locked>>
93%
55608
90%
**82
98%
IMR 4350
<<locked>>
97%
51677
83%
**72
97%
IMR 4451 Enduron
<<locked>>
94%
55448
90%
**08
98%
IMR 4831
<<locked>>
96%
43236
70%
**71
98%
IMR 4895
<<locked>>
89%
55332
89%
**54
100%
IMR 8208 XBR
<<locked>>
84%
54607
88%
**82
100%
Lovex D073.6
<<locked>>
86%
54389
88%
**95
100%
Lovex S060
<<locked>>
86%
54360
88%
**49
100%
Lovex S062
<<locked>>
90%
55535
90%
**02
100%
Lovex S065
<<locked>>
97%
55738
90%
**18
99%
Lovex S070
<<locked>>
97%
53635
87%
**12
98%
[Lovex S071]*
<<locked>>
97%
30777
50%
**95
91%
Norma 201
<<locked>>
87%
55042
89%
**82
100%
Norma 202
<<locked>>
87%
55288
89%
**82
100%
Norma 203B
<<locked>>
89%
54621
88%
**31
100%
Norma 204
<<locked>>
97%
51909
84%
**15
95%
[Norma MRP]*
<<locked>>
97%
39624
64%
**71
93%
Norma URP
<<locked>>
97%
51561
83%
**28
99%
Ramshot Big Game
<<locked>>
89%
54331
88%
**48
100%
Ramshot Hunter
<<locked>>
97%
50227
81%
**15
98%
Ramshot TAC
<<locked>>
85%
55593
90%
**05
99%
Ramshot Wild Boar
<<locked>>
85%
55085
89%
**22
100%
ReloadSwiss RS 14
<<locked>>
95%
33982
55%
**19
100%
ReloadSwiss RS 50
<<locked>>
91%
55477
90%
**18
98%
ReloadSwiss RS 52
<<locked>>
90%
54926
89%
**64
100%
ReloadSwiss RS 60 👍
<<locked>>
96%
54389
88%
**46
100%
ReloadSwiss RS 62
<<locked>>
97%
51126
83%
**48
99%
ReloadSwiss RS 70
<<locked>>
97%
50937
82%
**74
99%
Rottweil R 901
<<locked>>
85%
55622
90%
**62
100%
Rottweil R 902
<<locked>>
89%
55724
90%
**85
100%
Rottweil R 903
<<locked>>
93%
54476
88%
**22
100%
[Rottweil R 904]*
<<locked>>
97%
46383
75%
**77
92%
[Rottweil R 905]*
<<locked>>
97%
42018
68%
**54
93%
Rottweil R 907
<<locked>>
95%
55230
89%
**08
97%
SNPE Vectan SP 11 👍
<<locked>>
92%
54592
88%
**54
100%
SNPE Vectan SP 7
<<locked>>
86%
55593
90%
**12
99%
SNPE Vectan SP 9
<<locked>>
87%
55738
90%
**22
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
55506
90%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
54520
88%
**94
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
54201
88%
**43
98%
Shooters World Long Rifle
<<locked>>
97%
55738
90%
**18
99%
Shooters World Match Rifle
<<locked>>
86%
54389
88%
**95
100%
Shooters World Precision
<<locked>>
90%
55535
90%
**02
100%
Somchem S335
<<locked>>
86%
54404
88%
**07
100%
Somchem S341
<<locked>>
86%
55114
89%
**05
100%
Somchem S355
<<locked>>
93%
55724
90%
**28
100%
Somchem S365
<<locked>>
97%
45890
74%
**72
100%
[Somchem S385]*
<<locked>>
96%
42279
68%
**41
94%
Vihtavuori N133
<<locked>>
88%
55143
89%
**87
100%
Vihtavuori N135
<<locked>>
94%
55172
89%
**49
100%
Vihtavuori N140
<<locked>>
89%
54969
89%
**53
100%
Vihtavuori N150
<<locked>>
96%
52054
84%
**46
100%
Vihtavuori N160
<<locked>>
96%
54215
88%
**25
99%
Vihtavuori N540
<<locked>>
88%
54259
88%
**72
100%
Vihtavuori N550 👍
<<locked>>
96%
55550
90%
**87
100%
Vihtavuori N555
<<locked>>
97%
39262
63%
**57
98%
Winchester 6.5 StaBALL
<<locked>>
96%
53258
86%
**92
100%
Winchester 760
<<locked>>
94%
55506
90%
**94
98%
Winchester StaBALL HD
<<locked>>
97%
31966
52%
**56
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47181
76%
**97
99%
ADI AR 2208
<<locked>>
81%
40001
65%
**43
98%
[ADI AR 2209]*
<<locked>>
92%
38174
62%
**52
90%
Accurate 2200
<<locked>>
81%
49269
80%
**97
99%
Accurate 2495
<<locked>>
81%
48399
78%
**80
100%
Accurate 2520
<<locked>>
81%
48965
79%
**10
100%
[Accurate 2700]*
<<locked>>
81%
38014
61%
**48
92%
[Accurate 3100]*
<<locked>>
89%
28674
46%
**39
90%
Accurate 4064
<<locked>>
81%
40799
66%
**69
100%
[Accurate 4350]*
<<locked>>
81%
30240
49%
**98
94%
Alliant AR-Comp
<<locked>>
81%
49414
80%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
39392
64%
**62
99%
Alliant Reloder-15
<<locked>>
81%
42670
69%
**28
98%
[Alliant Reloder-16]*
<<locked>>
81%
30937
50%
**11
94%
Alliant Reloder-17
<<locked>>
81%
33997
55%
**30
97%
[Alliant Reloder-19]*
<<locked>>
91%
36521
59%
**26
90%
[Alliant Reloder-23]*
<<locked>>
83%
23293
38%
**92
90%
[Alliant Reloder-26]*
<<locked>>
87%
28152
45%
**02
90%
Baschieri & Pellagri 107
<<locked>>
81%
46441
75%
**03
99%
Hodgdon BL-C2
<<locked>>
81%
48921
79%
**43
100%
Hodgdon Benchmark
<<locked>>
81%
50937
82%
**80
100%
Hodgdon CFE223
<<locked>>
81%
40625
66%
**28
98%
Hodgdon H380
<<locked>>
81%
40161
65%
**69
97%
[Hodgdon H414]*
<<locked>>
81%
35346
57%
**07
92%
[Hodgdon H4350]*
<<locked>>
84%
32982
53%
**95
90%
Hodgdon Hybrid 100V
<<locked>>
81%
28007
45%
**06
95%
[Hodgdon LVR]*
<<locked>>
81%
33388
54%
**61
94%
[Hodgdon Superperformance]*
<<locked>>
82%
33518
54%
**77
90%
Hodgdon VARGET
<<locked>>
81%
39465
64%
**30
98%
Hodgdon TrailBoss
<<locked>>
94%
32648
53%
**60
100%
IMR 3031
<<locked>>
81%
43410
70%
**31
100%
IMR 4064
<<locked>>
81%
39218
63%
**23
98%
[IMR 4166 Enduron]*
<<locked>>
81%
38740
63%
**77
94%
[IMR 4350]*
<<locked>>
83%
33214
54%
**98
90%
[IMR 4451 Enduron]*
<<locked>>
81%
36782
59%
**61
93%
[IMR 4831]*
<<locked>>
81%
26527
43%
**70
91%
IMR 4895
<<locked>>
81%
43787
71%
**57
99%
IMR 8208 XBR
<<locked>>
81%
49298
80%
**97
100%
Lovex D073.6
<<locked>>
81%
46340
75%
**71
100%
Lovex S060
<<locked>>
81%
46804
76%
**21
99%
Lovex S062
<<locked>>
81%
41655
67%
**75
99%
[Lovex S065]*
<<locked>>
81%
34098
55%
**11
94%
[Lovex S070]*
<<locked>>
81%
32634
53%
**95
91%
[Lovex S071]*
<<locked>>
94%
28253
46%
**29
90%
Norma 201
<<locked>>
81%
45687
74%
**41
100%
Norma 202
<<locked>>
81%
46064
74%
**44
100%
Norma 203B
<<locked>>
81%
41901
68%
**15
99%
[Norma 204]*
<<locked>>
87%
37782
61%
**39
90%
[Norma MRP]*
<<locked>>
92%
33852
55%
**33
91%
[Norma URP]*
<<locked>>
81%
30864
50%
**08
94%
Ramshot Big Game
<<locked>>
81%
41684
67%
**38
99%
[Ramshot Hunter]*
<<locked>>
81%
29994
48%
**75
90%
Ramshot TAC
<<locked>>
81%
48994
79%
**03
98%
Ramshot Wild Boar
<<locked>>
81%
48457
78%
**20
100%
ReloadSwiss RS 14
<<locked>>
88%
30589
49%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
40654
66%
**52
95%
ReloadSwiss RS 52
<<locked>>
81%
40727
66%
**21
100%
ReloadSwiss RS 60
<<locked>>
81%
33185
54%
**16
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
29979
48%
**02
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
30385
49%
**08
91%
Rottweil R 901
<<locked>>
81%
50198
81%
**77
100%
Rottweil R 902
<<locked>>
81%
43990
71%
**98
100%
Rottweil R 903
<<locked>>
81%
37217
60%
**13
98%
[Rottweil R 904]*
<<locked>>
93%
40495
65%
**62
90%
[Rottweil R 905]*
<<locked>>
92%
35795
58%
**16
90%
[Rottweil R 907]*
<<locked>>
81%
35491
57%
**28
91%
SNPE Vectan SP 11
<<locked>>
81%
37971
61%
**66
98%
SNPE Vectan SP 7
<<locked>>
81%
47442
77%
**77
98%
SNPE Vectan SP 9
<<locked>>
81%
45237
73%
**57
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47529
77%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39450
64%
**61
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33286
54%
**59
92%
[Shooters World Long Rifle]*
<<locked>>
81%
34098
55%
**11
94%
Shooters World Match Rifle
<<locked>>
81%
46340
75%
**71
100%
Shooters World Precision
<<locked>>
81%
41655
67%
**75
99%
Somchem S335
<<locked>>
81%
46833
76%
**92
100%
Somchem S341
<<locked>>
81%
47384
77%
**80
99%
Somchem S355
<<locked>>
81%
37463
60%
**13
98%
Somchem S365
<<locked>>
81%
27586
45%
**49
96%
[Somchem S385]*
<<locked>>
89%
33301
54%
**41
90%
Vihtavuori N133
<<locked>>
81%
44614
72%
**36
100%
Vihtavuori N135
<<locked>>
81%
36622
59%
**54
100%
Vihtavuori N140
<<locked>>
81%
43424
70%
**82
100%
Vihtavuori N150
<<locked>>
81%
32082
52%
**65
98%
Vihtavuori N160
<<locked>>
81%
33431
54%
**38
95%
Vihtavuori N540
<<locked>>
81%
42989
69%
**98
100%
Vihtavuori N550
<<locked>>
81%
33692
54%
**70
95%
[Vihtavuori N555]*
<<locked>>
82%
24120
39%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32024
52%
**82
97%
[Winchester 760]*
<<locked>>
81%
35346
57%
**07
92%
[Winchester StaBALL HD]*
<<locked>>
89%
24831
40%
**93
91%

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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