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Load data for 6.5 x 58 mm Mauser Port. + .264 | 115gr | Barnes TAC-TX BT

Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-17, ReloadSwiss RS 60, SNPE Vectan SP 11, Somchem S365

6.5 x 58 mm Mauser Port. + .264 | 115gr | Barnes TAC-TX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 115gr | Barnes TAC-TX BT
Manufacturer SKU:
31142
Bullet Weight:
115gr | 7.5g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.288" | 32.7mm
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:
0.391" | 9.9mm
Shank Seated Depth:
0.291" | 7.4mm
Case Capacity:
57.0 Grains of Water | 3.70 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
51488 psi | 3550 bar
LID:
LID_B10950_C1021
Last updated:
2025-08-17
Recommended Twist Rate:
1:9 - 1:7

Load data for 122 loads in caliber 6.5 x 58 mm Mauser Port. with .264 | 115gr | Barnes TAC-TX BT bullet and 61 powders such as Alliant Reloder-16, Alliant Reloder-17, ReloadSwiss RS 60, SNPE Vectan SP 11, 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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    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 2208
<<locked>>
85%
45759
89%
**69
99%
[ADI AR 2209]*
<<locked>>
97%
45063
88%
**15
93%
[Accurate 2700]*
<<locked>>
86%
45484
88%
**97
94%
[Accurate 3100]*
<<locked>>
96%
37304
72%
**51
94%
Accurate 4064
<<locked>>
84%
46311
90%
**85
100%
Accurate 4350
<<locked>>
93%
45687
89%
**44
98%
Alliant Reloder- TS 15.5
<<locked>>
86%
46253
90%
**08
100%
Alliant Reloder-16 👍
<<locked>>
94%
46137
90%
**81
99%
Alliant Reloder-17 👍
<<locked>>
89%
46296
90%
**10
100%
[Alliant Reloder-19]*
<<locked>>
96%
43932
85%
**99
93%
Alliant Reloder-23
<<locked>>
97%
36753
71%
**94
98%
Alliant Reloder-26
<<locked>>
97%
40248
78%
**41
96%
Hodgdon CFE223
<<locked>>
84%
46108
90%
**48
98%
Hodgdon H380
<<locked>>
85%
46166
90%
**99
98%
Hodgdon H414
<<locked>>
88%
45426
88%
**38
95%
Hodgdon H4350
<<locked>>
94%
45759
89%
**82
95%
Hodgdon Hybrid 100V
<<locked>>
96%
45759
89%
**25
99%
Hodgdon LVR
<<locked>>
90%
45440
88%
**28
97%
Hodgdon Superperformance
<<locked>>
91%
45774
89%
**58
95%
Hodgdon VARGET
<<locked>>
86%
46166
90%
**76
99%
Hodgdon TrailBoss
<<locked>>
96%
33765
66%
**75
100%
IMR 4064
<<locked>>
86%
45643
89%
**59
99%
IMR 4166 Enduron
<<locked>>
86%
45484
88%
**30
95%
IMR 4350
<<locked>>
93%
45905
89%
**79
95%
IMR 4451 Enduron
<<locked>>
87%
45745
89%
**59
95%
IMR 4831
<<locked>>
97%
44614
87%
**02
98%
Lovex S062
<<locked>>
84%
45861
89%
**62
100%
Lovex S065
<<locked>>
90%
46267
90%
**76
97%
Lovex S070
<<locked>>
92%
46050
89%
**92
96%
Norma 203B
<<locked>>
84%
45876
89%
**05
99%
[Norma 204]*
<<locked>>
93%
45919
89%
**15
93%
[Norma MRP]*
<<locked>>
96%
40016
78%
**92
93%
Norma URP
<<locked>>
93%
45847
89%
**44
98%
Ramshot Big Game
<<locked>>
84%
45948
89%
**22
99%
Ramshot Hunter
<<locked>>
93%
45498
88%
**51
96%
ReloadSwiss RS 14
<<locked>>
96%
34316
67%
**18
100%
ReloadSwiss RS 50
<<locked>>
85%
46195
90%
**72
96%
ReloadSwiss RS 52
<<locked>>
84%
45716
89%
**35
100%
ReloadSwiss RS 60 👍
<<locked>>
90%
45716
89%
**13
100%
ReloadSwiss RS 62
<<locked>>
93%
45426
88%
**64
98%
ReloadSwiss RS 70
<<locked>>
93%
46224
90%
**97
98%
Rottweil R 903
<<locked>>
87%
45600
89%
**99
99%
[Rottweil R 904]*
<<locked>>
96%
45948
89%
**82
92%
[Rottweil R 905]*
<<locked>>
97%
42511
83%
**72
92%
Rottweil R 907
<<locked>>
89%
46282
90%
**69
95%
SNPE Vectan SP 11 👍
<<locked>>
87%
46180
90%
**38
99%
SNPE Vectan Tubal 5000
<<locked>>
85%
45498
88%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
45847
89%
**20
95%
Shooters World Long Rifle
<<locked>>
90%
46267
90%
**76
97%
Shooters World Precision
<<locked>>
84%
45861
89%
**62
100%
Somchem S355
<<locked>>
87%
46282
90%
**99
99%
Somchem S365 👍
<<locked>>
96%
45600
89%
**87
100%
[Somchem S385]*
<<locked>>
96%
42960
83%
**59
94%
Vihtavuori N135
<<locked>>
88%
46296
90%
**43
100%
Vihtavuori N150
<<locked>>
92%
45934
89%
**62
100%
Vihtavuori N160
<<locked>>
90%
46267
90%
**15
98%
Vihtavuori N550
<<locked>>
90%
45934
89%
**41
98%
Vihtavuori N555
<<locked>>
97%
39639
77%
**66
97%
Winchester 6.5 StaBALL
<<locked>>
92%
46296
90%
**99
100%
Winchester 760
<<locked>>
88%
45426
88%
**38
95%
Winchester StaBALL HD
<<locked>>
97%
32372
63%
**61
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
40364
78%
**57
97%
[ADI AR 2209]*
<<locked>>
92%
38841
75%
**74
90%
[Accurate 2700]*
<<locked>>
81%
38566
75%
**62
92%
[Accurate 3100]*
<<locked>>
90%
29834
58%
**61
90%
Accurate 4064
<<locked>>
81%
41698
81%
**03
100%
[Accurate 4350]*
<<locked>>
81%
30371
59%
**97
93%
Alliant Reloder- TS 15.5
<<locked>>
81%
39856
77%
**80
99%
[Alliant Reloder-16]*
<<locked>>
81%
31198
61%
**13
93%
Alliant Reloder-17
<<locked>>
81%
34403
67%
**41
97%
[Alliant Reloder-19]*
<<locked>>
92%
38116
74%
**64
90%
[Alliant Reloder-23]*
<<locked>>
84%
24410
47%
**16
90%
[Alliant Reloder-26]*
<<locked>>
88%
29414
57%
**26
90%
Hodgdon CFE223
<<locked>>
81%
41437
80%
**53
97%
Hodgdon H380
<<locked>>
81%
40843
79%
**90
96%
[Hodgdon H414]*
<<locked>>
81%
35940
70%
**25
92%
[Hodgdon H4350]*
<<locked>>
85%
34316
67%
**26
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28427
55%
**11
94%
[Hodgdon LVR]*
<<locked>>
81%
33634
65%
**69
94%
[Hodgdon Superperformance]*
<<locked>>
83%
35012
68%
**15
90%
Hodgdon VARGET
<<locked>>
81%
40001
78%
**48
97%
Hodgdon TrailBoss
<<locked>>
83%
27673
54%
**44
100%
IMR 4064
<<locked>>
81%
39378
76%
**35
97%
[IMR 4166 Enduron]*
<<locked>>
81%
39552
77%
**98
93%
[IMR 4350]*
<<locked>>
84%
34432
67%
**26
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37231
72%
**72
92%
[IMR 4831]*
<<locked>>
81%
27050
53%
**79
91%
Lovex S062
<<locked>>
81%
42192
82%
**94
99%
[Lovex S065]*
<<locked>>
81%
34766
68%
**26
93%
[Lovex S070]*
<<locked>>
81%
33069
64%
**03
91%
Norma 203B
<<locked>>
81%
42206
82%
**30
98%
[Norma 204]*
<<locked>>
88%
38812
75%
**67
90%
[Norma MRP]*
<<locked>>
92%
34577
67%
**44
90%
[Norma URP]*
<<locked>>
81%
31169
61%
**10
93%
Ramshot Big Game
<<locked>>
81%
42177
82%
**49
98%
[Ramshot Hunter]*
<<locked>>
82%
30850
60%
**97
90%
ReloadSwiss RS 14
<<locked>>
81%
27340
53%
**67
100%
ReloadSwiss RS 50
<<locked>>
81%
40901
79%
**71
95%
ReloadSwiss RS 52
<<locked>>
81%
41104
80%
**40
99%
ReloadSwiss RS 60
<<locked>>
81%
33562
65%
**25
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
30371
59%
**07
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
30705
60%
**13
91%
Rottweil R 903
<<locked>>
81%
37594
73%
**31
98%
[Rottweil R 904]*
<<locked>>
93%
41495
81%
**90
90%
[Rottweil R 905]*
<<locked>>
93%
37362
73%
**57
90%
[Rottweil R 907]*
<<locked>>
81%
35984
70%
**46
91%
SNPE Vectan SP 11
<<locked>>
81%
38290
74%
**71
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
39929
78%
**79
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33910
66%
**64
91%
[Shooters World Long Rifle]*
<<locked>>
81%
34766
68%
**26
93%
Shooters World Precision
<<locked>>
81%
42192
82%
**94
99%
Somchem S355
<<locked>>
81%
38203
74%
**31
98%
Somchem S365
<<locked>>
81%
27818
54%
**54
96%
[Somchem S385]*
<<locked>>
89%
33997
66%
**59
90%
Vihtavuori N135
<<locked>>
81%
37159
72%
**72
100%
Vihtavuori N150
<<locked>>
81%
32532
63%
**80
98%
[Vihtavuori N160]*
<<locked>>
81%
33547
65%
**43
94%
[Vihtavuori N550]*
<<locked>>
81%
34200
66%
**85
94%
[Vihtavuori N555]*
<<locked>>
83%
25237
49%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32184
63%
**84
96%
[Winchester 760]*
<<locked>>
81%
35940
70%
**25
92%
[Winchester StaBALL HD]*
<<locked>>
90%
25947
50%
**18
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.

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