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Load data for 6.5-300 Weatherby Magnum + .264 | 90gr | AERO SOSR,- smax:14.20

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Norma MRP, Vihtavuori N555, Winchester StaBALL HD

6.5-300 Weatherby Magnum + .264 | 90gr | AERO SOSR,- smax:14.20

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 90gr | AERO SOSR,- smax:14.20
Bullet Weight:
90gr | 5.8g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.106" | 28.1mm
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:
0.385" | 9.8mm
Shank Seated Depth:
0.385" | 9.8mm
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_B31_C1352
Last updated:
2025-01-01

Load data for 122 loads in caliber 6.5-300 Weatherby Magnum with .264 | 90gr | AERO SOSR,- smax:14.20 bullet and 61 powders such as Alliant Reloder-23, Alliant Reloder-26, Norma MRP, 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%
58247
90%
**76
99%
ADI AR 2213
<<locked>>
94%
58349
90%
**99
98%
ADI AR 2217
<<locked>>
97%
47079
72%
**46
95%
ADI AR 2225
<<locked>>
97%
42322
65%
**71
97%
Accurate 3100
<<locked>>
94%
58320
90%
**91
100%
Accurate 4350
<<locked>>
86%
58305
90%
**33
100%
Accurate MAGPRO
<<locked>>
94%
57928
89%
**89
96%
Alliant Reloder-16
<<locked>>
87%
58189
90%
**99
100%
Alliant Reloder-19
<<locked>>
91%
58073
89%
**63
99%
Alliant Reloder-22
<<locked>>
94%
58363
90%
**96
99%
Alliant Reloder-23 👍
<<locked>>
95%
58291
90%
**53
100%
Alliant Reloder-25
<<locked>>
97%
54012
83%
**33
100%
Alliant Reloder-26 👍
<<locked>>
90%
57827
89%
**15
100%
Hodgdon H1000
<<locked>>
97%
47079
72%
**46
95%
Hodgdon H4350
<<locked>>
89%
57812
89%
**07
99%
Hodgdon H4831
<<locked>>
96%
58102
89%
**30
97%
Hodgdon H4831 SC
<<locked>>
92%
57870
89%
**37
97%
Hodgdon Hybrid 100V
<<locked>>
89%
58218
90%
**04
100%
Hodgdon LVR
<<locked>>
84%
57711
89%
**50
100%
Hodgdon Retumbo
<<locked>>
97%
42322
65%
**71
97%
Hodgdon Superperformance
<<locked>>
84%
58102
89%
**70
99%
Hodgdon TrailBoss
<<locked>>
96%
35012
54%
**00
100%
IMR 4350
<<locked>>
87%
57827
89%
**07
99%
IMR 4451 Enduron
<<locked>>
84%
57899
89%
**04
99%
IMR 4831
<<locked>>
91%
58421
90%
**27
100%
IMR 4955 Enduron
<<locked>>
94%
58015
89%
**01
97%
IMR 7828 SSC
<<locked>>
93%
58160
90%
**09
98%
Lovex S065
<<locked>>
85%
57711
89%
**84
100%
Lovex S070
<<locked>>
86%
58001
89%
**20
100%
Lovex S071
<<locked>>
97%
53287
82%
**09
99%
Norma 204
<<locked>>
87%
58044
89%
**37
98%
[Norma 217]*
<<locked>>
97%
38072
59%
**63
94%
Norma MRP 👍
<<locked>>
92%
58291
90%
**19
99%
Norma URP
<<locked>>
87%
58479
90%
**43
100%
Ramshot Hunter
<<locked>>
87%
58421
90%
**60
100%
Ramshot Magnum
<<locked>>
94%
58320
90%
**47
99%
ReloadSwiss RS 14
<<locked>>
97%
36129
56%
**59
100%
ReloadSwiss RS 60
<<locked>>
83%
57928
89%
**86
100%
ReloadSwiss RS 62
<<locked>>
85%
57827
89%
**43
100%
ReloadSwiss RS 70
<<locked>>
86%
57856
89%
**93
100%
ReloadSwiss RS 76
<<locked>>
97%
53650
83%
**89
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
48834
75%
**15
94%
Rottweil R 904
<<locked>>
90%
57798
89%
**17
98%
Rottweil R 905
<<locked>>
91%
57725
89%
**47
99%
Rottweil R 907
<<locked>>
85%
58407
90%
**10
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
58160
89%
**58
100%
Shooters World Long Rifle
<<locked>>
85%
57711
89%
**84
100%
Somchem S361
<<locked>>
89%
57856
89%
**68
97%
Somchem S365
<<locked>>
88%
58044
89%
**37
100%
Somchem S385
<<locked>>
91%
57841
89%
**14
99%
Vihtavuori N135
<<locked>>
83%
58479
90%
**09
100%
Vihtavuori N150
<<locked>>
87%
57914
89%
**48
100%
Vihtavuori N160
<<locked>>
84%
58276
90%
**14
100%
Vihtavuori N165
<<locked>>
96%
57841
89%
**81
99%
Vihtavuori N550
<<locked>>
84%
58015
89%
**47
100%
Vihtavuori N555 👍
<<locked>>
92%
58204
90%
**56
100%
Vihtavuori N560
<<locked>>
94%
58479
90%
**12
97%
Vihtavuori N565
<<locked>>
97%
56492
87%
**37
97%
[Vihtavuori N568]*
<<locked>>
97%
49617
76%
**28
94%
Winchester 6.5 StaBALL
<<locked>>
85%
58204
90%
**51
100%
Winchester StaBALL HD 👍
<<locked>>
95%
58030
89%
**42
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
41176
63%
**02
94%
[ADI AR 2213]*
<<locked>>
82%
37623
58%
**14
90%
[ADI AR 2217]*
<<locked>>
90%
36883
57%
**77
90%
[ADI AR 2225]*
<<locked>>
88%
31299
48%
**36
90%
Accurate 3100
<<locked>>
81%
36506
56%
**28
95%
Accurate 4350
<<locked>>
81%
49153
76%
**76
100%
[Accurate MAGPRO]*
<<locked>>
85%
42061
65%
**38
90%
Alliant Reloder-16
<<locked>>
81%
47355
73%
**76
100%
[Alliant Reloder-19]*
<<locked>>
81%
41017
63%
**92
94%
[Alliant Reloder-22]*
<<locked>>
81%
36709
56%
**97
92%
Alliant Reloder-23
<<locked>>
81%
35389
54%
**58
98%
[Alliant Reloder-25]*
<<locked>>
81%
30618
47%
**20
92%
Alliant Reloder-26
<<locked>>
81%
39537
61%
**19
98%
[Hodgdon H1000]*
<<locked>>
90%
36883
57%
**77
90%
Hodgdon H4350
<<locked>>
81%
44933
69%
**38
96%
[Hodgdon H4831]*
<<locked>>
84%
38145
59%
**91
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
38406
59%
**94
90%
Hodgdon Hybrid 100V
<<locked>>
81%
44498
68%
**45
100%
Hodgdon LVR
<<locked>>
81%
51634
79%
**25
100%
[Hodgdon Retumbo]*
<<locked>>
88%
31299
48%
**36
90%
Hodgdon Superperformance
<<locked>>
81%
51793
80%
**58
98%
Hodgdon TrailBoss
<<locked>>
81%
28036
43%
**16
100%
IMR 4350
<<locked>>
81%
47123
73%
**87
97%
IMR 4451 Enduron
<<locked>>
81%
53258
82%
**22
99%
IMR 4831
<<locked>>
81%
42192
65%
**96
99%
[IMR 4955 Enduron]*
<<locked>>
81%
38508
59%
**71
91%
[IMR 7828 SSC]*
<<locked>>
81%
37724
58%
**27
90%
Lovex S065
<<locked>>
81%
50633
78%
**60
99%
Lovex S070
<<locked>>
81%
48936
75%
**33
98%
[Lovex S071]*
<<locked>>
81%
31154
48%
**64
92%
Norma 204
<<locked>>
81%
47601
73%
**27
96%
[Norma 217]*
<<locked>>
92%
32024
49%
**86
90%
Norma MRP
<<locked>>
81%
38870
60%
**76
95%
Norma URP
<<locked>>
81%
48457
75%
**63
100%
Ramshot Hunter
<<locked>>
81%
47369
73%
**40
98%
[Ramshot Magnum]*
<<locked>>
81%
34185
53%
**02
92%
ReloadSwiss RS 14
<<locked>>
81%
28674
44%
**65
100%
ReloadSwiss RS 60
<<locked>>
81%
53592
82%
**14
100%
ReloadSwiss RS 62
<<locked>>
81%
49763
77%
**89
100%
ReloadSwiss RS 70
<<locked>>
81%
48196
74%
**12
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
31865
49%
**82
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
40538
62%
**22
90%
[Rottweil R 904]*
<<locked>>
81%
42424
65%
**86
93%
[Rottweil R 905]*
<<locked>>
81%
40364
62%
**63
94%
Rottweil R 907
<<locked>>
81%
51779
80%
**83
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
49414
76%
**87
98%
Shooters World Long Rifle
<<locked>>
81%
50633
78%
**60
99%
[Somchem S361]*
<<locked>>
81%
43526
67%
**63
93%
Somchem S365
<<locked>>
81%
45397
70%
**97
100%
Somchem S385
<<locked>>
81%
40973
63%
**46
95%
Vihtavuori N135
<<locked>>
81%
54259
83%
**50
100%
Vihtavuori N150
<<locked>>
81%
48066
74%
**64
100%
Vihtavuori N160
<<locked>>
81%
52156
80%
**92
100%
[Vihtavuori N165]*
<<locked>>
81%
34447
53%
**56
92%
Vihtavuori N550
<<locked>>
81%
52707
81%
**38
100%
Vihtavuori N555
<<locked>>
81%
39624
61%
**56
98%
[Vihtavuori N560]*
<<locked>>
82%
38928
60%
**76
90%
[Vihtavuori N565]*
<<locked>>
86%
37985
58%
**17
90%
[Vihtavuori N568]*
<<locked>>
92%
41771
64%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49661
76%
**14
100%
Winchester StaBALL HD
<<locked>>
81%
31531
49%
**48
98%

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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