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Load data for 6.5 x 58 mm Mauser Port. + .264 | 126gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365

6.5 x 58 mm Mauser Port. + .264 | 126gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 126gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
264126CuSP
Bullet Weight:
126gr | 8.2g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.370" | 34.8mm
Caliber:
6.5 x 58 mm Mauser Port. load data
Case Length (l3):
2.283" | 58.0mm
Cartridge Length (C.O.L.):
3.180" | 80.8mm
Seated Depth:
0.473" | 12.0mm
Shank Seated Depth:
0.296" | 7.5mm
Case Capacity:
57.0 Grains of Water | 3.70 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
51488 psi | 3550 bar
LID:
LID_B11010_C1021
Last updated:
2025-11-06
Recommended Twist Rate:
1:8 - 1:7

Load data for 118 loads in caliber 6.5 x 58 mm Mauser Port. with .264 | 126gr | Lehigh Defense Controlled Chaos bullet and 59 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365. 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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  • 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 2208
<<locked>>
84%
46282
90%
**64
99%
[ADI AR 2209]*
<<locked>>
96%
46180
90%
**26
94%
Accurate 2700
<<locked>>
85%
46137
90%
**08
96%
Accurate 3100
<<locked>>
97%
40451
79%
**12
96%
Accurate 4350 👍
<<locked>>
91%
45890
89%
**33
99%
Alliant Reloder- TS 15.5
<<locked>>
84%
46006
89%
**74
100%
Alliant Reloder-16 👍
<<locked>>
92%
46209
90%
**66
99%
Alliant Reloder-17
<<locked>>
87%
45382
88%
**76
100%
Alliant Reloder-19
<<locked>>
96%
45948
89%
**26
95%
[Alliant Reloder-22]*
<<locked>>
97%
41060
80%
**74
93%
Alliant Reloder-23
<<locked>>
97%
38537
75%
**35
99%
[Alliant Reloder-25]*
<<locked>>
96%
33808
66%
**16
94%
Alliant Reloder-26
<<locked>>
97%
43033
84%
**92
98%
Hodgdon H414
<<locked>>
87%
46079
89%
**36
97%
Hodgdon H4350
<<locked>>
93%
45672
89%
**71
96%
Hodgdon Hybrid 100V
<<locked>>
94%
45788
89%
**07
100%
Hodgdon LVR
<<locked>>
88%
45310
88%
**07
98%
Hodgdon Superperformance
<<locked>>
89%
45934
89%
**62
96%
Hodgdon VARGET
<<locked>>
84%
45730
89%
**51
99%
Hodgdon TrailBoss
<<locked>>
97%
34403
67%
**99
100%
IMR 4064
<<locked>>
84%
46079
89%
**51
99%
IMR 4166 Enduron
<<locked>>
85%
45861
89%
**18
96%
IMR 4350
<<locked>>
91%
45963
89%
**71
96%
IMR 4451 Enduron
<<locked>>
86%
46180
90%
**54
96%
IMR 4831
<<locked>>
96%
45672
89%
**07
99%
[IMR 4955 Enduron]*
<<locked>>
96%
44382
86%
**31
92%
Lovex S065
<<locked>>
88%
45310
88%
**44
98%
Lovex S070
<<locked>>
90%
45440
88%
**64
97%
[Lovex S071]*
<<locked>>
96%
33475
65%
**54
94%
[Norma 204]*
<<locked>>
91%
46108
90%
**13
94%
Norma MRP
<<locked>>
97%
43366
84%
**56
96%
Norma URP 👍
<<locked>>
91%
45542
88%
**20
99%
Ramshot Hunter
<<locked>>
92%
45745
89%
**36
97%
[Ramshot Magnum]*
<<locked>>
97%
39349
76%
**12
93%
ReloadSwiss RS 14
<<locked>>
96%
34461
67%
**32
100%
ReloadSwiss RS 60
<<locked>>
89%
46108
90%
**08
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
46180
90%
**62
99%
ReloadSwiss RS 70
<<locked>>
92%
46079
89%
**82
98%
Rottweil R 903
<<locked>>
86%
46093
90%
**77
100%
[Rottweil R 904]*
<<locked>>
95%
46064
89%
**77
93%
Rottweil R 905
<<locked>>
97%
45861
89%
**30
95%
Rottweil R 907
<<locked>>
87%
45382
88%
**41
96%
SNPE Vectan SP 11
<<locked>>
84%
45339
88%
**00
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
45803
89%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
45759
89%
**05
96%
Shooters World Long Rifle
<<locked>>
88%
45310
88%
**44
98%
Somchem S355
<<locked>>
85%
46079
90%
**74
100%
[Somchem S361]*
<<locked>>
93%
45484
88%
**35
92%
Somchem S365 👍
<<locked>>
94%
46079
90%
**66
100%
Somchem S385
<<locked>>
97%
46282
90%
**10
96%
Vihtavuori N135
<<locked>>
86%
45948
89%
**05
100%
Vihtavuori N150
<<locked>>
90%
45687
89%
**41
100%
Vihtavuori N160
<<locked>>
88%
45513
88%
**84
99%
[Vihtavuori N165]*
<<locked>>
97%
38827
75%
**46
93%
Vihtavuori N550
<<locked>>
88%
45745
89%
**20
99%
Vihtavuori N555
<<locked>>
96%
42177
82%
**07
99%
Winchester 6.5 StaBALL
<<locked>>
90%
46340
90%
**80
100%
Winchester 760
<<locked>>
87%
46079
89%
**36
97%
Winchester StaBALL HD
<<locked>>
97%
34824
68%
**51
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
42409
82%
**85
99%
[ADI AR 2209]*
<<locked>>
88%
35795
70%
**93
90%
[Accurate 2700]*
<<locked>>
81%
40857
79%
**07
94%
[Accurate 3100]*
<<locked>>
86%
27746
54%
**03
90%
Accurate 4350
<<locked>>
81%
32634
63%
**48
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
42264
82%
**05
100%
Alliant Reloder-16
<<locked>>
81%
33025
64%
**70
96%
Alliant Reloder-17
<<locked>>
81%
36753
71%
**92
99%
[Alliant Reloder-19]*
<<locked>>
88%
35157
68%
**97
90%
[Alliant Reloder-22]*
<<locked>>
92%
34606
67%
**23
90%
[Alliant Reloder-23]*
<<locked>>
81%
23873
46%
**11
92%
[Alliant Reloder-25]*
<<locked>>
92%
29254
57%
**82
91%
[Alliant Reloder-26]*
<<locked>>
83%
27006
52%
**62
90%
[Hodgdon H414]*
<<locked>>
81%
37971
74%
**72
94%
[Hodgdon H4350]*
<<locked>>
81%
32039
62%
**69
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30226
59%
**65
96%
Hodgdon LVR
<<locked>>
81%
35839
70%
**10
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34258
67%
**97
91%
Hodgdon VARGET
<<locked>>
81%
42119
82%
**79
99%
Hodgdon TrailBoss
<<locked>>
91%
31633
61%
**47
100%
IMR 4064
<<locked>>
81%
41466
81%
**62
99%
IMR 4166 Enduron
<<locked>>
81%
41350
80%
**30
95%
[IMR 4350]*
<<locked>>
81%
33634
65%
**08
91%
[IMR 4451 Enduron]*
<<locked>>
81%
39247
76%
**13
94%
[IMR 4831]*
<<locked>>
81%
28819
56%
**33
94%
[IMR 4955 Enduron]*
<<locked>>
94%
40799
79%
**56
90%
Lovex S065
<<locked>>
81%
36782
71%
**70
95%
[Lovex S070]*
<<locked>>
81%
34737
67%
**41
93%
[Lovex S071]*
<<locked>>
90%
27470
53%
**93
90%
[Norma 204]*
<<locked>>
84%
35723
69%
**87
90%
[Norma MRP]*
<<locked>>
87%
31531
61%
**67
90%
Norma URP
<<locked>>
81%
32793
64%
**51
95%
[Ramshot Hunter]*
<<locked>>
81%
32227
63%
**31
92%
[Ramshot Magnum]*
<<locked>>
93%
34534
67%
**87
90%
ReloadSwiss RS 14
<<locked>>
86%
30037
58%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
35563
69%
**82
99%
ReloadSwiss RS 62
<<locked>>
81%
32460
63%
**64
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32314
63%
**64
94%
Rottweil R 903
<<locked>>
81%
39624
77%
**62
99%
[Rottweil R 904]*
<<locked>>
89%
37956
74%
**10
90%
[Rottweil R 905]*
<<locked>>
88%
33852
66%
**70
90%
[Rottweil R 907]*
<<locked>>
81%
37623
73%
**80
93%
SNPE Vectan SP 11
<<locked>>
81%
40625
79%
**12
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
41989
82%
**97
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36085
70%
**15
93%
Shooters World Long Rifle
<<locked>>
81%
36782
71%
**70
95%
Somchem S355
<<locked>>
81%
40509
79%
**69
99%
[Somchem S361]*
<<locked>>
90%
41162
80%
**46
90%
Somchem S365
<<locked>>
81%
29646
58%
**08
98%
[Somchem S385]*
<<locked>>
85%
31473
61%
**88
90%
Vihtavuori N135
<<locked>>
81%
39378
76%
**93
100%
Vihtavuori N150
<<locked>>
81%
34461
67%
**18
99%
Vihtavuori N160
<<locked>>
81%
35723
69%
**84
96%
[Vihtavuori N165]*
<<locked>>
92%
33489
65%
**25
90%
Vihtavuori N550
<<locked>>
81%
36071
70%
**26
96%
[Vihtavuori N555]*
<<locked>>
81%
25367
49%
**80
92%
Winchester 6.5 StaBALL
<<locked>>
81%
34156
66%
**31
98%
[Winchester 760]*
<<locked>>
81%
37971
74%
**72
94%
[Winchester StaBALL HD]*
<<locked>>
85%
23670
46%
**51
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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