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Load data for 6.5 x 58 mm Mauser Port. + .264 | 123gr | Sierra HPBT MatchKing

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

6.5 x 58 mm Mauser Port. + .264 | 123gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 123gr | Sierra HPBT MatchKing
Manufacturer SKU:
1727
Bullet Weight:
123gr | 8.0g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.281" | 32.5mm
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:
0.384" | 9.8mm
Shank Seated Depth:
0.177" | 4.5mm
Case Capacity:
57.0 Grains of Water | 3.70 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
51488 psi | 3550 bar
LID:
LID_B5808_C1021
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 118 loads in caliber 6.5 x 58 mm Mauser Port. with .264 | 123gr | Sierra HPBT MatchKing 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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    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>>
84%
46180
90%
**00
99%
[ADI AR 2209]*
<<locked>>
95%
45774
89%
**59
94%
Accurate 2700
<<locked>>
84%
45484
88%
**31
95%
Accurate 3100
<<locked>>
97%
40698
79%
**51
96%
Accurate 4350 👍
<<locked>>
90%
45324
88%
**53
99%
Alliant Reloder- TS 15.5
<<locked>>
83%
46108
90%
**17
100%
Alliant Reloder-16 👍
<<locked>>
92%
46108
90%
**08
99%
Alliant Reloder-17
<<locked>>
87%
45759
89%
**15
100%
Alliant Reloder-19
<<locked>>
96%
46079
89%
**66
95%
[Alliant Reloder-22]*
<<locked>>
97%
41466
81%
**17
93%
Alliant Reloder-23
<<locked>>
97%
38957
76%
**80
99%
[Alliant Reloder-25]*
<<locked>>
96%
34098
66%
**59
94%
Alliant Reloder-26
<<locked>>
97%
43511
85%
**44
98%
Hodgdon H414
<<locked>>
86%
46166
90%
**79
97%
Hodgdon H4350
<<locked>>
93%
46311
90%
**17
96%
Hodgdon Hybrid 100V
<<locked>>
93%
45629
89%
**36
100%
Hodgdon LVR
<<locked>>
88%
45847
89%
**53
98%
Hodgdon Superperformance
<<locked>>
89%
45905
89%
**95
96%
Hodgdon VARGET
<<locked>>
84%
45759
89%
**84
99%
Hodgdon TrailBoss
<<locked>>
96%
34098
66%
**26
100%
IMR 4064
<<locked>>
84%
45745
89%
**77
99%
IMR 4166 Enduron
<<locked>>
84%
45876
89%
**57
96%
IMR 4350
<<locked>>
91%
45818
89%
**03
96%
IMR 4451 Enduron
<<locked>>
86%
45600
89%
**80
96%
IMR 4831
<<locked>>
95%
45484
88%
**43
99%
[IMR 4955 Enduron]*
<<locked>>
97%
45223
88%
**87
92%
Lovex S065
<<locked>>
88%
46079
89%
**97
98%
Lovex S070
<<locked>>
89%
45934
89%
**17
97%
[Lovex S071]*
<<locked>>
97%
34098
66%
**00
94%
[Norma 204]*
<<locked>>
91%
46180
90%
**46
94%
Norma MRP
<<locked>>
97%
43076
84%
**92
95%
Norma URP 👍
<<locked>>
91%
45876
89%
**69
99%
Ramshot Hunter
<<locked>>
92%
45948
89%
**79
97%
[Ramshot Magnum]*
<<locked>>
97%
40059
78%
**57
93%
ReloadSwiss RS 14
<<locked>>
96%
34693
67%
**68
100%
ReloadSwiss RS 60
<<locked>>
88%
46122
90%
**48
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
46209
90%
**02
99%
ReloadSwiss RS 70
<<locked>>
91%
46137
90%
**22
98%
Rottweil R 903
<<locked>>
85%
45585
89%
**13
100%
[Rottweil R 904]*
<<locked>>
94%
45629
89%
**00
93%
Rottweil R 905
<<locked>>
97%
45832
89%
**76
95%
Rottweil R 907
<<locked>>
87%
45730
89%
**84
96%
SNPE Vectan SP 11
<<locked>>
84%
45643
89%
**43
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
46064
89%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
45498
88%
**41
96%
Shooters World Long Rifle
<<locked>>
88%
46079
89%
**97
98%
Somchem S355
<<locked>>
85%
46006
89%
**10
100%
[Somchem S361]*
<<locked>>
93%
45440
88%
**67
92%
Somchem S365 👍
<<locked>>
94%
45600
89%
**05
100%
Somchem S385
<<locked>>
96%
45745
89%
**36
96%
Vihtavuori N135
<<locked>>
86%
46151
90%
**51
100%
Vihtavuori N150
<<locked>>
90%
45658
89%
**77
100%
Vihtavuori N160
<<locked>>
88%
45672
89%
**20
99%
[Vihtavuori N165]*
<<locked>>
97%
38798
75%
**79
93%
Vihtavuori N550
<<locked>>
88%
45905
89%
**62
99%
Vihtavuori N555
<<locked>>
97%
43323
84%
**66
99%
Winchester 6.5 StaBALL
<<locked>>
90%
46253
90%
**17
100%
Winchester 760
<<locked>>
86%
46166
90%
**79
97%
Winchester StaBALL HD
<<locked>>
97%
34737
67%
**77
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
42540
83%
**28
99%
[ADI AR 2209]*
<<locked>>
88%
36477
71%
**46
90%
[Accurate 2700]*
<<locked>>
81%
41075
80%
**46
94%
[Accurate 3100]*
<<locked>>
86%
28036
54%
**46
90%
Accurate 4350
<<locked>>
81%
33214
65%
**00
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
42511
83%
**51
100%
Alliant Reloder-16
<<locked>>
81%
33025
64%
**07
95%
Alliant Reloder-17
<<locked>>
81%
36985
72%
**31
99%
[Alliant Reloder-19]*
<<locked>>
88%
35360
69%
**33
90%
[Alliant Reloder-22]*
<<locked>>
92%
35056
68%
**62
90%
[Alliant Reloder-23]*
<<locked>>
81%
24018
47%
**51
92%
[Alliant Reloder-25]*
<<locked>>
91%
29109
57%
**02
90%
[Alliant Reloder-26]*
<<locked>>
84%
27514
53%
**11
91%
[Hodgdon H414]*
<<locked>>
81%
38305
74%
**15
94%
[Hodgdon H4350]*
<<locked>>
81%
32024
62%
**98
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30342
59%
**05
96%
Hodgdon LVR
<<locked>>
81%
36129
70%
**56
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34476
67%
**33
91%
Hodgdon VARGET
<<locked>>
81%
42148
82%
**21
99%
Hodgdon TrailBoss
<<locked>>
89%
30603
59%
**57
100%
IMR 4064
<<locked>>
81%
41989
82%
**08
99%
IMR 4166 Enduron
<<locked>>
81%
41524
81%
**75
95%
[IMR 4350]*
<<locked>>
81%
33576
65%
**41
91%
[IMR 4451 Enduron]*
<<locked>>
81%
39682
77%
**62
94%
[IMR 4831]*
<<locked>>
81%
29080
56%
**69
94%
[IMR 4955 Enduron]*
<<locked>>
94%
40843
79%
**98
90%
Lovex S065
<<locked>>
81%
36869
72%
**03
95%
[Lovex S070]*
<<locked>>
81%
35041
68%
**80
93%
[Lovex S071]*
<<locked>>
91%
28036
54%
**46
90%
[Norma 204]*
<<locked>>
84%
35984
70%
**26
90%
[Norma MRP]*
<<locked>>
88%
32343
63%
**23
90%
Norma URP
<<locked>>
81%
33228
65%
**93
95%
[Ramshot Hunter]*
<<locked>>
81%
32358
63%
**67
92%
[Ramshot Magnum]*
<<locked>>
93%
35056
68%
**43
90%
ReloadSwiss RS 14
<<locked>>
83%
28587
56%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
35897
70%
**28
99%
ReloadSwiss RS 62
<<locked>>
81%
32808
64%
**07
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32547
63%
**03
94%
Rottweil R 903
<<locked>>
81%
40001
78%
**02
99%
[Rottweil R 904]*
<<locked>>
89%
38551
75%
**56
90%
[Rottweil R 905]*
<<locked>>
88%
34679
67%
**30
90%
[Rottweil R 907]*
<<locked>>
81%
37971
74%
**20
93%
SNPE Vectan SP 11
<<locked>>
81%
41060
80%
**57
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
42192
82%
**43
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35984
70%
**48
93%
Shooters World Long Rifle
<<locked>>
81%
36869
72%
**03
95%
Somchem S355
<<locked>>
81%
40625
79%
**12
99%
[Somchem S361]*
<<locked>>
90%
41118
80%
**82
90%
Somchem S365
<<locked>>
81%
29689
58%
**44
98%
[Somchem S385]*
<<locked>>
85%
31995
62%
**38
90%
Vihtavuori N135
<<locked>>
81%
39537
77%
**33
100%
Vihtavuori N150
<<locked>>
81%
34577
67%
**51
99%
Vihtavuori N160
<<locked>>
81%
36187
70%
**33
96%
[Vihtavuori N165]*
<<locked>>
92%
33518
65%
**64
90%
Vihtavuori N550
<<locked>>
81%
36535
71%
**72
96%
[Vihtavuori N555]*
<<locked>>
81%
25686
50%
**29
92%
Winchester 6.5 StaBALL
<<locked>>
81%
34360
67%
**77
98%
[Winchester 760]*
<<locked>>
81%
38305
74%
**15
94%
[Winchester StaBALL HD]*
<<locked>>
85%
23801
46%
**83
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.

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