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Load data for 6.5 x 58 mm Mauser Port. + .264 | 140gr | Lapua Naturalis

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 | Lapua Naturalis

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 140gr | Lapua Naturalis
Manufacturer SKU:
NPL6203 | N563
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.331" | 33.8mm
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:
0.434" | 11.0mm
Shank Seated Depth:
0.434" | 11.0mm
Case Capacity:
57.0 Grains of Water | 3.70 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
51488 psi | 3550 bar
LID:
LID_B3123_C1021
Last updated:
2025-01-01

Load data for 102 loads in caliber 6.5 x 58 mm Mauser Port. with .264 | 140gr | Lapua Naturalis bullet and 51 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%
45527
88%
**89
96%
[ADI AR 2213]*
<<locked>>
95%
45919
89%
**15
94%
Accurate 3100
<<locked>>
96%
45963
89%
**75
99%
Accurate 4350
<<locked>>
86%
46093
90%
**92
100%
[Accurate MAGPRO]*
<<locked>>
96%
45658
89%
**44
92%
Alliant Reloder-16
<<locked>>
88%
45934
89%
**21
100%
Alliant Reloder-17
<<locked>>
84%
46021
89%
**41
100%
Alliant Reloder-19
<<locked>>
92%
46180
90%
**05
96%
Alliant Reloder-22
<<locked>>
96%
45788
89%
**41
96%
Alliant Reloder-23 👍
<<locked>>
97%
45281
88%
**35
100%
Alliant Reloder-25
<<locked>>
97%
39334
76%
**39
98%
Alliant Reloder-26 👍
<<locked>>
94%
45237
88%
**07
100%
Hodgdon H4350
<<locked>>
89%
46195
90%
**49
97%
[Hodgdon H4831]*
<<locked>>
97%
44744
87%
**52
93%
[Hodgdon H4831 SC]*
<<locked>>
94%
46209
90%
**82
94%
Hodgdon Hybrid 100V
<<locked>>
89%
45252
88%
**52
100%
Hodgdon LVR
<<locked>>
84%
45687
89%
**79
99%
Hodgdon Superperformance
<<locked>>
85%
45368
88%
**25
97%
IMR 4350
<<locked>>
87%
46311
90%
**46
97%
IMR 4831
<<locked>>
91%
46180
90%
**75
100%
[IMR 4955 Enduron]*
<<locked>>
94%
45963
89%
**39
94%
[IMR 7828 SSC]*
<<locked>>
94%
45672
89%
**28
94%
Lovex S065
<<locked>>
84%
45847
89%
**16
99%
Lovex S070
<<locked>>
86%
45861
89%
**36
98%
Lovex S071
<<locked>>
97%
40350
78%
**74
97%
Norma 204
<<locked>>
87%
46311
90%
**89
96%
Norma MRP
<<locked>>
94%
45643
89%
**77
98%
Norma URP
<<locked>>
87%
46006
89%
**89
100%
Ramshot Hunter
<<locked>>
87%
45382
88%
**92
98%
Ramshot Magnum
<<locked>>
97%
45600
89%
**25
97%
ReloadSwiss RS 60
<<locked>>
85%
46296
90%
**64
100%
ReloadSwiss RS 62
<<locked>>
87%
46151
90%
**15
99%
ReloadSwiss RS 70 👍
<<locked>>
88%
46311
90%
**57
99%
ReloadSwiss RS 76
<<locked>>
96%
37420
73%
**23
95%
Rottweil R 904
<<locked>>
90%
45600
89%
**39
95%
Rottweil R 905
<<locked>>
93%
46296
90%
**12
97%
Rottweil R 907
<<locked>>
84%
46064
89%
**23
97%
SNPE Vectan Tubal 7000
<<locked>>
85%
46195
90%
**87
98%
Shooters World Long Rifle
<<locked>>
84%
45847
89%
**16
99%
[Somchem S361]*
<<locked>>
90%
45643
89%
**16
94%
Somchem S365
<<locked>>
89%
45774
89%
**12
100%
Somchem S385
<<locked>>
92%
45600
89%
**69
97%
Vihtavuori N150
<<locked>>
86%
45948
89%
**97
100%
Vihtavuori N160
<<locked>>
84%
45788
89%
**52
99%
Vihtavuori N165
<<locked>>
97%
44672
87%
**36
96%
Vihtavuori N550
<<locked>>
84%
46296
90%
**92
99%
Vihtavuori N555 👍
<<locked>>
94%
45847
89%
**28
100%
[Vihtavuori N560]*
<<locked>>
96%
45977
89%
**57
94%
[Vihtavuori N565]*
<<locked>>
97%
40176
78%
**43
93%
Winchester 6.5 StaBALL
<<locked>>
86%
45513
88%
**33
100%
Winchester StaBALL HD 👍
<<locked>>
97%
38392
75%
**67
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
32764
64%
**10
91%
[ADI AR 2213]*
<<locked>>
88%
36724
71%
**21
90%
[Accurate 3100]*
<<locked>>
81%
28761
56%
**11
93%
Accurate 4350
<<locked>>
81%
38711
75%
**48
98%
[Accurate MAGPRO]*
<<locked>>
93%
40437
79%
**43
90%
Alliant Reloder-16
<<locked>>
81%
37434
73%
**51
98%
Alliant Reloder-17
<<locked>>
81%
42293
82%
**72
100%
[Alliant Reloder-19]*
<<locked>>
81%
32953
64%
**16
91%
[Alliant Reloder-22]*
<<locked>>
83%
31241
61%
**13
90%
Alliant Reloder-23
<<locked>>
81%
27833
54%
**38
97%
[Alliant Reloder-25]*
<<locked>>
83%
26121
51%
**72
90%
[Alliant Reloder-26]*
<<locked>>
81%
29385
57%
**26
94%
[Hodgdon H4350]*
<<locked>>
81%
36260
70%
**46
94%
[Hodgdon H4831]*
<<locked>>
91%
37144
72%
**95
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
36912
72%
**85
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35012
68%
**56
99%
Hodgdon LVR
<<locked>>
81%
41220
80%
**90
98%
Hodgdon Superperformance
<<locked>>
81%
39450
77%
**03
96%
IMR 4350
<<locked>>
81%
37927
74%
**85
95%
IMR 4831
<<locked>>
81%
33605
65%
**26
97%
[IMR 4955 Enduron]*
<<locked>>
86%
36260
70%
**39
90%
[IMR 7828 SSC]*
<<locked>>
87%
35694
69%
**11
90%
Lovex S065
<<locked>>
81%
41423
80%
**34
98%
Lovex S070
<<locked>>
81%
39798
77%
**25
96%
[Lovex S071]*
<<locked>>
81%
24772
48%
**96
90%
[Norma 204]*
<<locked>>
81%
37478
73%
**08
93%
[Norma MRP]*
<<locked>>
81%
29733
58%
**00
91%
Norma URP
<<locked>>
81%
38203
74%
**44
98%
Ramshot Hunter
<<locked>>
81%
37014
72%
**31
96%
[Ramshot Magnum]*
<<locked>>
85%
30647
60%
**83
90%
ReloadSwiss RS 60
<<locked>>
81%
40944
80%
**62
100%
ReloadSwiss RS 62
<<locked>>
81%
38247
74%
**67
98%
ReloadSwiss RS 70
<<locked>>
81%
37014
72%
**70
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
30922
60%
**43
90%
[Rottweil R 904]*
<<locked>>
81%
34156
66%
**00
90%
[Rottweil R 905]*
<<locked>>
81%
31749
62%
**97
91%
Rottweil R 907
<<locked>>
81%
42554
83%
**51
96%
SNPE Vectan Tubal 7000
<<locked>>
81%
40901
79%
**92
97%
Shooters World Long Rifle
<<locked>>
81%
41423
80%
**34
98%
[Somchem S361]*
<<locked>>
83%
36767
71%
**39
90%
Somchem S365
<<locked>>
81%
34635
67%
**05
100%
[Somchem S385]*
<<locked>>
81%
32198
63%
**83
92%
Vihtavuori N150
<<locked>>
81%
39653
77%
**85
100%
Vihtavuori N160
<<locked>>
81%
41292
80%
**67
99%
[Vihtavuori N165]*
<<locked>>
83%
29153
57%
**98
90%
Vihtavuori N550
<<locked>>
81%
41771
81%
**10
99%
Vihtavuori N555
<<locked>>
81%
30429
59%
**03
97%
[Vihtavuori N560]*
<<locked>>
88%
36245
70%
**48
90%
[Vihtavuori N565]*
<<locked>>
92%
34824
68%
**25
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38899
76%
**15
100%
Winchester StaBALL HD
<<locked>>
81%
24860
48%
**08
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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