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Load data for 6.5 x 58 mm Mauser Port. + .264 | 140gr | Speer Grand Slam

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD

6.5 x 58 mm Mauser Port. + .264 | 140gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 140gr | Speer Grand Slam
Manufacturer SKU:
1444
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.120" | 28.4mm
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:
0.223" | 5.7mm
Shank Seated Depth:
0.223" | 5.7mm
Case Capacity:
57.0 Grains of Water | 3.70 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
51488 psi | 3550 bar
LID:
LID_B6098_C1021
Last updated:
2025-01-01

Load data for 0 loads in caliber 6.5 x 58 mm Mauser Port. with .264 | 140gr | Speer Grand Slam bullet and 0 powders such as Alliant Reloder-23, Alliant Reloder-26, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD. 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 2209
<<locked>>
91%
45745
89%
**21
96%
ADI AR 2213
<<locked>>
95%
46195
90%
**54
95%
[ADI AR 2225]*
<<locked>>
97%
32126
62%
**79
92%
Accurate 3100
<<locked>>
95%
45411
88%
**92
99%
Accurate 4350
<<locked>>
86%
46166
90%
**21
100%
[Accurate MAGPRO]*
<<locked>>
96%
45455
88%
**67
93%
Alliant Reloder-16
<<locked>>
87%
46325
90%
**54
100%
Alliant Reloder-19
<<locked>>
91%
45426
88%
**21
97%
Alliant Reloder-22
<<locked>>
95%
45934
89%
**77
97%
Alliant Reloder-23 👍
<<locked>>
97%
45977
89%
**67
100%
Alliant Reloder-25
<<locked>>
96%
39595
77%
**72
98%
Alliant Reloder-26 👍
<<locked>>
93%
45382
88%
**30
100%
Bofors RP15
<<locked>>
97%
44411
86%
**41
96%
[Bofors RP30]*
<<locked>>
97%
35984
70%
**87
92%
Bofors RP5
<<locked>>
95%
45934
89%
**77
97%
Hodgdon H4350
<<locked>>
88%
45600
89%
**62
97%
[Hodgdon H4831]*
<<locked>>
97%
45948
89%
**02
94%
[Hodgdon H4831 SC]*
<<locked>>
93%
45542
88%
**92
94%
Hodgdon Hybrid 100V
<<locked>>
89%
46224
90%
**89
100%
Hodgdon LVR
<<locked>>
84%
46311
90%
**15
99%
[Hodgdon Retumbo]*
<<locked>>
97%
32126
62%
**79
92%
Hodgdon Superperformance
<<locked>>
85%
45701
89%
**51
98%
IMR 4350
<<locked>>
86%
45759
89%
**69
98%
IMR 4831
<<locked>>
91%
46282
90%
**02
100%
IMR 4955 Enduron
<<locked>>
93%
46093
90%
**69
95%
IMR 7828 SSC
<<locked>>
94%
45774
89%
**61
95%
Lovex S065
<<locked>>
84%
46180
90%
**52
99%
Lovex S070
<<locked>>
85%
45977
89%
**72
98%
Lovex S071
<<locked>>
97%
40770
79%
**03
98%
Norma 204
<<locked>>
86%
45397
88%
**98
96%
Norma MRP
<<locked>>
93%
45658
89%
**97
98%
Norma URP
<<locked>>
86%
45629
89%
**12
100%
Ramshot Grand
<<locked>>
93%
46253
90%
**84
96%
Ramshot Hunter
<<locked>>
87%
45585
89%
**18
99%
Ramshot Magnum
<<locked>>
96%
46180
90%
**61
97%
ReloadSwiss RS 14
<<locked>>
96%
35172
68%
**77
100%
ReloadSwiss RS 62
<<locked>>
86%
46325
90%
**48
100%
ReloadSwiss RS 70 👍
<<locked>>
87%
45818
89%
**77
100%
ReloadSwiss RS 76
<<locked>>
97%
38566
75%
**89
96%
Rottweil R 904
<<locked>>
90%
45701
89%
**75
95%
Rottweil R 905
<<locked>>
92%
45513
88%
**18
97%
SNPE Vectan Tubal 7000
<<locked>>
85%
46021
89%
**13
98%
Shooters World Long Rifle
<<locked>>
84%
46180
90%
**52
99%
[Somchem S361]*
<<locked>>
89%
46006
89%
**52
94%
Somchem S365
<<locked>>
89%
45977
89%
**35
100%
Somchem S385
<<locked>>
92%
45948
89%
**05
98%
Vihtavuori N150
<<locked>>
86%
45759
89%
**23
100%
Vihtavuori N160
<<locked>>
84%
46195
90%
**82
100%
Vihtavuori N165
<<locked>>
97%
45252
88%
**75
97%
Vihtavuori N550
<<locked>>
84%
45992
89%
**15
100%
Vihtavuori N555 👍
<<locked>>
93%
45571
89%
**44
100%
Vihtavuori N560
<<locked>>
95%
46296
90%
**90
95%
[Vihtavuori N565]*
<<locked>>
97%
41017
80%
**79
93%
Winchester 6.5 StaBALL
<<locked>>
86%
46006
89%
**69
100%
Winchester StaBALL HD 👍
<<locked>>
97%
39740
77%
**03
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
33054
64%
**43
91%
[ADI AR 2213]*
<<locked>>
87%
35534
69%
**28
91%
[ADI AR 2225]*
<<locked>>
94%
29269
57%
**93
90%
[Accurate 3100]*
<<locked>>
81%
28543
55%
**28
93%
Accurate 4350
<<locked>>
81%
38957
76%
**80
99%
[Accurate MAGPRO]*
<<locked>>
91%
38798
75%
**33
90%
Alliant Reloder-16
<<locked>>
81%
37811
73%
**84
99%
[Alliant Reloder-19]*
<<locked>>
81%
32996
64%
**49
92%
[Alliant Reloder-22]*
<<locked>>
82%
30124
58%
**13
90%
Alliant Reloder-23
<<locked>>
81%
27731
54%
**57
97%
[Alliant Reloder-25]*
<<locked>>
82%
25295
49%
**75
90%
Alliant Reloder-26
<<locked>>
81%
29486
57%
**56
95%
[Bofors RP15]*
<<locked>>
85%
30458
59%
**23
90%
[Bofors RP30]*
<<locked>>
93%
32532
63%
**05
90%
[Bofors RP5]*
<<locked>>
82%
30124
58%
**13
90%
Hodgdon H4350
<<locked>>
81%
36550
71%
**79
95%
[Hodgdon H4831]*
<<locked>>
89%
35360
69%
**85
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
35708
69%
**85
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35244
68%
**82
99%
Hodgdon LVR
<<locked>>
81%
41843
81%
**33
99%
[Hodgdon Retumbo]*
<<locked>>
94%
29269
57%
**93
90%
Hodgdon Superperformance
<<locked>>
81%
39711
77%
**36
96%
IMR 4350
<<locked>>
81%
38450
75%
**21
96%
IMR 4831
<<locked>>
81%
34040
66%
**62
98%
[IMR 4955 Enduron]*
<<locked>>
84%
35056
68%
**46
90%
[IMR 7828 SSC]*
<<locked>>
86%
35099
68%
**28
90%
Lovex S065
<<locked>>
81%
41829
81%
**77
98%
Lovex S070
<<locked>>
81%
40103
78%
**57
97%
[Lovex S071]*
<<locked>>
81%
24598
48%
**16
91%
[Norma 204]*
<<locked>>
81%
37840
73%
**44
94%
[Norma MRP]*
<<locked>>
81%
29820
58%
**29
92%
Norma URP
<<locked>>
81%
38667
75%
**74
99%
[Ramshot Grand]*
<<locked>>
85%
34664
67%
**28
90%
Ramshot Hunter
<<locked>>
81%
37333
73%
**64
97%
[Ramshot Magnum]*
<<locked>>
84%
29849
58%
**87
90%
ReloadSwiss RS 14
<<locked>>
92%
33475
65%
**44
100%
ReloadSwiss RS 62
<<locked>>
81%
38551
75%
**93
98%
ReloadSwiss RS 70
<<locked>>
81%
37492
73%
**07
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
29791
58%
**43
90%
[Rottweil R 904]*
<<locked>>
81%
34330
67%
**36
91%
[Rottweil R 905]*
<<locked>>
81%
31923
62%
**26
91%
SNPE Vectan Tubal 7000
<<locked>>
81%
40843
79%
**18
97%
Shooters World Long Rifle
<<locked>>
81%
41829
81%
**77
98%
[Somchem S361]*
<<locked>>
81%
35041
68%
**29
90%
Somchem S365
<<locked>>
81%
34737
67%
**31
100%
[Somchem S385]*
<<locked>>
81%
32518
63%
**20
93%
Vihtavuori N150
<<locked>>
81%
39697
77%
**11
100%
Vihtavuori N160
<<locked>>
81%
41611
81%
**00
99%
[Vihtavuori N165]*
<<locked>>
82%
28514
55%
**05
90%
Vihtavuori N550
<<locked>>
81%
42496
83%
**49
99%
Vihtavuori N555
<<locked>>
81%
30574
59%
**33
97%
[Vihtavuori N560]*
<<locked>>
87%
34954
68%
**48
90%
[Vihtavuori N565]*
<<locked>>
91%
34055
66%
**21
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39363
76%
**44
100%
Winchester StaBALL HD
<<locked>>
81%
24395
47%
**24
95%

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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