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Load data for 6.5-300 Weatherby Magnum + .264 | 125gr | Hasler ARIETE

Recommended Powder(s): Hodgdon H4831, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N565, Vihtavuori N568

6.5-300 Weatherby Magnum + .264 | 125gr | Hasler ARIETE

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 125gr | Hasler ARIETE
Manufacturer SKU:
A65-125
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.388" | 35.3mm
Caliber:
6.5-300 Weatherby Magnum load data
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.667" | 16.9mm
Shank Seated Depth:
0.535" | 13.6mm
Case Capacity:
98.0 Grains of Water | 6.36 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B7056_C1352
Last updated:
2025-02-02
Recommended Twist Rate:
1:8 - 1:7

Load data for 92 loads in caliber 6.5-300 Weatherby Magnum with .264 | 125gr | Hasler ARIETE bullet and 46 powders such as Hodgdon H4831, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N565, Vihtavuori N568. 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 2209
<<locked>>
86%
57740
89%
**50
100%
ADI AR 2213
<<locked>>
89%
58131
89%
**96
100%
ADI AR 2217
<<locked>>
97%
56492
87%
**59
100%
ADI AR 2218
<<locked>>
97%
49153
76%
**07
95%
ADI AR 2225
<<locked>>
97%
51590
79%
**10
100%
Accurate 3100
<<locked>>
89%
58276
90%
**84
100%
Accurate MAGPRO
<<locked>>
89%
58204
90%
**02
99%
Alliant Reloder-19
<<locked>>
87%
58465
90%
**63
100%
Alliant Reloder-22
<<locked>>
89%
58218
90%
**79
100%
Alliant Reloder-23
<<locked>>
90%
58146
89%
**17
100%
Alliant Reloder-25
<<locked>>
93%
57986
89%
**79
100%
Alliant Reloder-26
<<locked>>
85%
57783
89%
**86
100%
Alliant Reloder-33
<<locked>>
97%
54969
85%
**76
97%
[Alliant Reloder-50]*
<<locked>>
97%
45992
71%
**89
94%
Hodgdon H1000
<<locked>>
97%
56492
87%
**59
100%
Hodgdon H4350
<<locked>>
84%
57957
89%
**94
100%
Hodgdon H4831 👍
<<locked>>
91%
58044
89%
**40
99%
Hodgdon H4831 SC
<<locked>>
88%
58349
90%
**36
99%
Hodgdon Hybrid 100V
<<locked>>
84%
58001
89%
**64
100%
Hodgdon Retumbo
<<locked>>
97%
51590
79%
**10
100%
Hodgdon TrailBoss
<<locked>>
97%
35882
55%
**85
100%
IMR 4831
<<locked>>
86%
57725
89%
**87
100%
IMR 4955 Enduron
<<locked>>
89%
58131
89%
**10
99%
IMR 7828 SSC
<<locked>>
88%
57928
89%
**92
100%
IMR 7977 Enduron
<<locked>>
94%
58131
89%
**81
95%
IMR 8133 Enduron
<<locked>>
97%
46891
72%
**05
98%
[Lovex D100]*
<<locked>>
97%
56043
86%
**64
93%
Lovex S071
<<locked>>
94%
57870
89%
**81
100%
Norma 217
<<locked>>
97%
47601
73%
**35
100%
Norma MRP
<<locked>>
87%
58320
90%
**99
100%
Ramshot Magnum
<<locked>>
89%
58247
90%
**50
100%
ReloadSwiss RS 14
<<locked>>
96%
36680
56%
**28
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57812
89%
**51
100%
ReloadSwiss RS 80 👍
<<locked>>
96%
58465
90%
**28
99%
Rottweil R 904
<<locked>>
86%
58189
90%
**20
100%
Rottweil R 905
<<locked>>
87%
58276
90%
**50
100%
Somchem S361
<<locked>>
85%
58320
90%
**87
99%
Somchem S385
<<locked>>
87%
58276
90%
**17
100%
Vihtavuori N165
<<locked>>
91%
57943
89%
**00
100%
Vihtavuori N170
<<locked>>
97%
51808
80%
**18
95%
Vihtavuori N555
<<locked>>
87%
58276
90%
**20
100%
Vihtavuori N560
<<locked>>
88%
57957
89%
**02
99%
Vihtavuori N565 👍
<<locked>>
93%
58392
90%
**79
100%
Vihtavuori N568 👍
<<locked>>
96%
58218
90%
**25
99%
Vihtavuori N570
<<locked>>
97%
58392
90%
**61
97%
Winchester StaBALL HD
<<locked>>
90%
58218
90%
**96
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48631
75%
**86
99%
ADI AR 2213
<<locked>>
81%
43642
67%
**17
97%
[ADI AR 2217]*
<<locked>>
81%
32010
49%
**12
92%
[ADI AR 2218]*
<<locked>>
91%
39059
60%
**58
90%
[ADI AR 2225]*
<<locked>>
81%
29066
45%
**52
94%
Accurate 3100
<<locked>>
81%
43439
67%
**25
100%
Accurate MAGPRO
<<locked>>
81%
43642
67%
**10
95%
Alliant Reloder-19
<<locked>>
81%
48283
74%
**76
99%
Alliant Reloder-22
<<locked>>
81%
44208
68%
**23
98%
Alliant Reloder-23
<<locked>>
81%
42786
66%
**51
100%
Alliant Reloder-25
<<locked>>
81%
36840
57%
**72
99%
Alliant Reloder-26
<<locked>>
81%
49052
75%
**35
100%
[Alliant Reloder-33]*
<<locked>>
87%
37362
58%
**99
90%
[Alliant Reloder-50]*
<<locked>>
92%
38377
59%
**05
90%
[Hodgdon H1000]*
<<locked>>
81%
32010
49%
**12
92%
Hodgdon H4350
<<locked>>
81%
51822
80%
**92
100%
Hodgdon H4831
<<locked>>
81%
40596
62%
**92
95%
Hodgdon H4831 SC
<<locked>>
81%
45484
70%
**04
97%
Hodgdon Hybrid 100V
<<locked>>
81%
52243
80%
**72
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29066
45%
**52
94%
Hodgdon TrailBoss
<<locked>>
81%
28572
44%
**21
100%
IMR 4831
<<locked>>
81%
49545
76%
**56
100%
IMR 4955 Enduron
<<locked>>
81%
44643
69%
**67
97%
IMR 7828 SSC
<<locked>>
81%
45252
70%
**56
98%
[IMR 7977 Enduron]*
<<locked>>
86%
44469
68%
**15
90%
[IMR 8133 Enduron]*
<<locked>>
84%
29399
45%
**52
90%
[Lovex D100]*
<<locked>>
93%
48457
75%
**27
90%
Lovex S071
<<locked>>
81%
37028
57%
**80
98%
[Norma 217]*
<<locked>>
81%
26339
41%
**77
91%
Norma MRP
<<locked>>
81%
47050
72%
**92
100%
Ramshot Magnum
<<locked>>
81%
42105
65%
**58
99%
ReloadSwiss RS 14
<<locked>>
81%
29298
45%
**64
100%
ReloadSwiss RS 76
<<locked>>
81%
35215
54%
**72
97%
[ReloadSwiss RS 80]*
<<locked>>
81%
31966
49%
**38
90%
Rottweil R 904
<<locked>>
81%
49298
76%
**69
99%
Rottweil R 905
<<locked>>
81%
47892
74%
**69
99%
Somchem S361
<<locked>>
81%
50299
77%
**49
98%
Somchem S385
<<locked>>
81%
48109
74%
**40
100%
Vihtavuori N165
<<locked>>
81%
40756
63%
**69
98%
[Vihtavuori N170]*
<<locked>>
89%
40059
62%
**62
90%
Vihtavuori N555
<<locked>>
81%
47268
73%
**36
100%
Vihtavuori N560
<<locked>>
81%
44556
69%
**46
97%
Vihtavuori N565
<<locked>>
81%
38159
59%
**76
95%
[Vihtavuori N568]*
<<locked>>
81%
33243
51%
**64
90%
[Vihtavuori N570]*
<<locked>>
86%
38145
59%
**31
90%
Winchester StaBALL HD
<<locked>>
81%
41046
63%
**07
100%

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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