top of page

Load data for 6 mm GT + .243 | 105gr | Lapua Naturalis

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

6 mm GT + .243 | 105gr | Lapua Naturalis

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 105gr | Lapua Naturalis
Manufacturer SKU:
NPL6201 | GB478
Bullet Weight:
90gr | 5.8g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
1.121" | 28.5mm
Caliber:
6 mm GT load data
Case Length (l3):
1.725" | 43.8mm
Cartridge Length (C.O.L.):
2.477" | 62.9mm
Seated Depth:
0.369" | 9.4mm
Shank Seated Depth:
0.369" | 9.4mm
Case Capacity:
43.2 Grains of Water | 2.81 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
61931 psi | 4270 bar
LID:
LID_B3096_C940
Last updated:
2025-01-01

Load data for 188 loads in caliber 6 mm GT with .243 | 105gr | Lapua Naturalis bullet and 94 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".

  • No data yet

  • .

    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%
55637
90%
**05
99%
ADI AR 2208
<<locked>>
95%
54621
88%
**66
99%
Accurate 2015
<<locked>>
86%
55666
90%
**00
100%
Accurate 2200
<<locked>>
89%
55666
90%
**66
98%
Accurate 2230
<<locked>>
84%
55550
90%
**49
100%
Accurate 2460
<<locked>>
84%
54853
89%
**43
100%
Accurate 2495
<<locked>>
89%
54955
89%
**69
100%
Accurate 2520
<<locked>>
88%
54520
88%
**76
100%
[Accurate 2700]*
<<locked>>
96%
54708
88%
**84
94%
Accurate 4064
<<locked>>
95%
55709
90%
**92
100%
Accurate 4350
<<locked>>
96%
43105
70%
**48
96%
Alliant AR-Comp
<<locked>>
89%
55535
90%
**66
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
54955
89%
**02
100%
Alliant Reloder-10x
<<locked>>
84%
55579
90%
**17
100%
Alliant Reloder-15 👍
<<locked>>
94%
55651
90%
**25
99%
Alliant Reloder-16
<<locked>>
97%
43787
71%
**71
96%
Alliant Reloder-17
<<locked>>
96%
49603
80%
**15
99%
[Alliant Reloder-23]*
<<locked>>
97%
31488
51%
**82
92%
Baschieri & Pellagri 107
<<locked>>
90%
55114
89%
**15
98%
Hodgdon BL-C2
<<locked>>
89%
55376
89%
**22
100%
Hodgdon Benchmark
<<locked>>
87%
54476
88%
**10
100%
Hodgdon CFE223
<<locked>>
94%
54186
87%
**41
98%
Hodgdon H322
<<locked>>
86%
54694
88%
**56
100%
Hodgdon H380
<<locked>>
94%
54331
88%
**86
98%
Hodgdon H414
<<locked>>
96%
51198
83%
**89
95%
Hodgdon Hybrid 100V
<<locked>>
96%
39276
63%
**36
97%
Hodgdon LVR
<<locked>>
96%
47311
76%
**10
96%
[Hodgdon Superperformance]*
<<locked>>
97%
47703
77%
**20
92%
Hodgdon VARGET
<<locked>>
96%
55274
89%
**76
99%
Hodgdon TrailBoss
<<locked>>
96%
33156
54%
**81
100%
IMR 3031
<<locked>>
93%
54578
88%
**99
100%
IMR 4064
<<locked>>
97%
55071
89%
**66
99%
IMR 4166 Enduron
<<locked>>
96%
54723
88%
**23
95%
IMR 4198
<<locked>>
84%
55608
90%
**77
100%
[IMR 4350]*
<<locked>>
97%
44628
72%
**85
92%
IMR 4451 Enduron
<<locked>>
97%
52808
85%
**20
95%
[IMR 4831]*
<<locked>>
96%
36956
60%
**94
94%
IMR 4895 👍
<<locked>>
93%
55637
90%
**38
99%
IMR 8208 XBR
<<locked>>
89%
55071
89%
**63
100%
Lovex D073.5
<<locked>>
84%
54853
89%
**43
100%
Lovex D073.6
<<locked>>
90%
54520
88%
**76
100%
Lovex S060
<<locked>>
90%
54737
88%
**13
99%
Lovex S062
<<locked>>
94%
55550
90%
**82
100%
Lovex S065
<<locked>>
97%
48863
79%
**67
96%
[Lovex S070]*
<<locked>>
97%
46209
75%
**28
94%
Norma 201
<<locked>>
91%
55201
89%
**59
100%
Norma 202
<<locked>>
91%
55172
89%
**69
100%
Norma 203B 👍
<<locked>>
94%
54795
88%
**15
99%
Norma URP
<<locked>>
97%
43642
70%
**51
96%
Ramshot Big Game 👍
<<locked>>
94%
55158
89%
**38
99%
[Ramshot Hunter]*
<<locked>>
97%
43091
70%
**35
93%
Ramshot TAC
<<locked>>
88%
55216
89%
**66
97%
Ramshot Wild Boar
<<locked>>
89%
55448
90%
**09
99%
Ramshot X-Terminator
<<locked>>
86%
55201
89%
**49
99%
ReloadSwiss RS 14
<<locked>>
97%
33895
55%
**31
100%
ReloadSwiss RS 40
<<locked>>
84%
54578
88%
**46
100%
ReloadSwiss RS 50
<<locked>>
94%
54723
88%
**63
96%
ReloadSwiss RS 52 👍
<<locked>>
94%
54520
88%
**41
100%
ReloadSwiss RS 60
<<locked>>
96%
48066
78%
**99
99%
ReloadSwiss RS 62
<<locked>>
97%
43236
70%
**71
95%
ReloadSwiss RS 70
<<locked>>
97%
44788
72%
**90
95%
Rottweil R 901
<<locked>>
87%
54563
88%
**27
100%
Rottweil R 902
<<locked>>
92%
54911
89%
**46
100%
Rottweil R 903
<<locked>>
97%
53243
86%
**82
99%
[Rottweil R 907]*
<<locked>>
97%
51416
83%
**90
94%
SNPE Vectan SP 11
<<locked>>
97%
54737
88%
**35
99%
SNPE Vectan SP 7
<<locked>>
89%
54679
88%
**56
98%
SNPE Vectan SP 9
<<locked>>
91%
54868
89%
**89
99%
SNPE Vectan Tubal 3000
<<locked>>
89%
54389
88%
**71
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
54418
88%
**74
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
48588
78%
**05
94%
Shooters World Long Rifle
<<locked>>
97%
48863
79%
**67
96%
Shooters World Match Rifle
<<locked>>
90%
54520
88%
**76
100%
Shooters World Precision
<<locked>>
94%
55550
90%
**82
100%
Shooters World Tactical Rifle
<<locked>>
83%
55680
90%
**30
100%
Somchem S321
<<locked>>
86%
54505
88%
**76
100%
Somchem S335
<<locked>>
90%
54534
88%
**84
100%
Somchem S341
<<locked>>
90%
54911
89%
**72
99%
Somchem S355
<<locked>>
97%
53896
87%
**79
99%
Somchem S365
<<locked>>
97%
38798
63%
**99
98%
Vihtavuori N130
<<locked>>
87%
55317
89%
**58
100%
Vihtavuori N133
<<locked>>
92%
55114
89%
**77
100%
Vihtavuori N135
<<locked>>
96%
51140
83%
**81
100%
Vihtavuori N140
<<locked>>
93%
55317
89%
**46
100%
Vihtavuori N150
<<locked>>
97%
45861
74%
**12
99%
Vihtavuori N160
<<locked>>
96%
47340
76%
**74
97%
Vihtavuori N530
<<locked>>
87%
55376
89%
**82
100%
Vihtavuori N540
<<locked>>
93%
54621
88%
**69
100%
Vihtavuori N550
<<locked>>
97%
48979
79%
**49
97%
[Vihtavuori N555]*
<<locked>>
97%
33040
53%
**54
93%
Winchester 6.5 StaBALL
<<locked>>
97%
47007
76%
**41
98%
Winchester 748
<<locked>>
86%
55303
89%
**22
100%
Winchester 760
<<locked>>
96%
51198
83%
**89
95%
Winchester StaBALL Match
<<locked>>
84%
54607
88%
**95
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41553
67%
**43
97%
[ADI AR 2208]*
<<locked>>
81%
35766
58%
**92
94%
Accurate 2015
<<locked>>
81%
47094
76%
**72
100%
Accurate 2200
<<locked>>
81%
43700
71%
**53
96%
Accurate 2230
<<locked>>
81%
49588
80%
**54
99%
Accurate 2460
<<locked>>
81%
49429
80%
**61
100%
Accurate 2495
<<locked>>
81%
42844
69%
**72
100%
Accurate 2520
<<locked>>
81%
42714
69%
**76
99%
[Accurate 2700]*
<<locked>>
87%
40698
66%
**35
90%
Accurate 4064
<<locked>>
81%
36042
58%
**38
99%
[Accurate 4350]*
<<locked>>
85%
29660
48%
**26
90%
Alliant AR-Comp
<<locked>>
81%
42902
69%
**66
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
34867
56%
**12
96%
Alliant Reloder-10x
<<locked>>
81%
51445
83%
**51
100%
Alliant Reloder-15
<<locked>>
81%
37333
60%
**74
95%
[Alliant Reloder-16]*
<<locked>>
85%
31198
50%
**39
90%
[Alliant Reloder-17]*
<<locked>>
81%
30095
49%
**36
92%
[Alliant Reloder-23]*
<<locked>>
93%
28572
46%
**84
90%
Baschieri & Pellagri 107
<<locked>>
81%
40234
65%
**36
95%
Hodgdon BL-C2
<<locked>>
81%
42554
69%
**99
98%
Hodgdon Benchmark
<<locked>>
81%
45484
73%
**59
99%
[Hodgdon CFE223]*
<<locked>>
81%
35621
58%
**57
93%
Hodgdon H322
<<locked>>
81%
46209
75%
**15
100%
[Hodgdon H380]*
<<locked>>
81%
35215
57%
**08
92%
[Hodgdon H414]*
<<locked>>
88%
38363
62%
**20
90%
[Hodgdon Hybrid 100V]*
<<locked>>
83%
26600
43%
**82
90%
[Hodgdon LVR]*
<<locked>>
84%
32648
53%
**69
90%
[Hodgdon Superperformance]*
<<locked>>
93%
41756
67%
**99
90%
[Hodgdon VARGET]*
<<locked>>
81%
35085
57%
**79
94%
Hodgdon TrailBoss
<<locked>>
83%
27499
44%
**57
100%
IMR 3031
<<locked>>
81%
37652
61%
**03
100%
[IMR 4064]*
<<locked>>
81%
34896
56%
**66
94%
[IMR 4166 Enduron]*
<<locked>>
84%
37927
61%
**95
90%
IMR 4198
<<locked>>
81%
51242
83%
**08
100%
[IMR 4350]*
<<locked>>
93%
40132
65%
**94
90%
[IMR 4451 Enduron]*
<<locked>>
86%
38638
62%
**41
90%
[IMR 4831]*
<<locked>>
89%
29820
48%
**03
90%
IMR 4895
<<locked>>
81%
38101
62%
**00
96%
IMR 8208 XBR
<<locked>>
81%
43656
70%
**66
98%
Lovex D073.5
<<locked>>
81%
49429
80%
**61
100%
Lovex D073.6
<<locked>>
81%
40379
65%
**33
99%
Lovex S060
<<locked>>
81%
42105
68%
**84
97%
Lovex S062
<<locked>>
81%
37260
60%
**38
97%
[Lovex S065]*
<<locked>>
84%
33953
55%
**39
90%
[Lovex S070]*
<<locked>>
90%
37492
61%
**44
90%
Norma 201
<<locked>>
81%
41017
66%
**10
98%
Norma 202
<<locked>>
81%
40785
66%
**20
100%
Norma 203B
<<locked>>
81%
36709
59%
**61
95%
[Norma URP]*
<<locked>>
85%
30951
50%
**43
90%
Ramshot Big Game
<<locked>>
81%
36100
58%
**61
95%
[Ramshot Hunter]*
<<locked>>
91%
36187
58%
**71
90%
Ramshot TAC
<<locked>>
81%
43772
71%
**59
95%
Ramshot Wild Boar
<<locked>>
81%
42830
69%
**79
97%
Ramshot X-Terminator
<<locked>>
81%
47311
76%
**08
98%
ReloadSwiss RS 14
<<locked>>
81%
27079
44%
**80
100%
ReloadSwiss RS 40
<<locked>>
81%
49008
79%
**58
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35969
58%
**92
90%
ReloadSwiss RS 52
<<locked>>
81%
35041
57%
**64
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
29370
47%
**20
92%
[ReloadSwiss RS 62]*
<<locked>>
87%
31343
51%
**79
90%
[ReloadSwiss RS 70]*
<<locked>>
90%
35447
57%
**64
90%
Rottweil R 901
<<locked>>
81%
45310
73%
**72
100%
Rottweil R 902
<<locked>>
81%
39088
63%
**51
97%
[Rottweil R 903]*
<<locked>>
81%
32227
52%
**46
94%
[Rottweil R 907]*
<<locked>>
89%
40393
65%
**80
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
33199
54%
**92
94%
SNPE Vectan SP 7
<<locked>>
81%
41800
67%
**23
95%
SNPE Vectan SP 9
<<locked>>
81%
39929
64%
**10
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
42511
69%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35041
57%
**26
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
36869
60%
**75
90%
[Shooters World Long Rifle]*
<<locked>>
84%
33953
55%
**39
90%
Shooters World Match Rifle
<<locked>>
81%
40379
65%
**33
99%
Shooters World Precision
<<locked>>
81%
37260
60%
**38
97%
Shooters World Tactical Rifle
<<locked>>
81%
51314
83%
**61
99%
Somchem S321
<<locked>>
81%
46528
75%
**35
99%
Somchem S335
<<locked>>
81%
42032
68%
**77
100%
Somchem S341
<<locked>>
81%
41133
66%
**20
97%
Somchem S355
<<locked>>
81%
33417
54%
**66
95%
[Somchem S365]*
<<locked>>
82%
24990
40%
**79
90%
Vihtavuori N130
<<locked>>
81%
47123
76%
**36
100%
Vihtavuori N133
<<locked>>
81%
39697
64%
**21
100%
Vihtavuori N135
<<locked>>
81%
32503
52%
**23
99%
Vihtavuori N140
<<locked>>
81%
37826
61%
**35
99%
[Vihtavuori N150]*
<<locked>>
81%
28587
46%
**15
94%
[Vihtavuori N160]*
<<locked>>
83%
30980
50%
**03
90%
Vihtavuori N530
<<locked>>
81%
45672
74%
**15
99%
Vihtavuori N540
<<locked>>
81%
37840
61%
**61
99%
[Vihtavuori N550]*
<<locked>>
83%
30922
50%
**46
90%
[Vihtavuori N555]*
<<locked>>
92%
28950
47%
**33
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28384
46%
**98
91%
Winchester 748
<<locked>>
81%
45585
74%
**54
99%
[Winchester 760]*
<<locked>>
88%
38363
62%
**20
90%
Winchester StaBALL Match
<<locked>>
81%
49124
79%
**04
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.

bottom of page