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Load data for 6.5-300 Weatherby Magnum + .264 | 140gr | Hornady SST

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, Norma 217, ReloadSwiss RS 80, Vihtavuori N568

6.5-300 Weatherby Magnum + .264 | 140gr | Hornady SST

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 140gr | Hornady SST
Manufacturer SKU:
26302
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.410" | 35.8mm
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:
0.689" | 17.5mm
Shank Seated Depth:
0.589" | 15.0mm
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_B2595_C1352
Last updated:
2025-02-02
Recommended Twist Rate:
1:9 - 1:7

Load data for 80 loads in caliber 6.5-300 Weatherby Magnum with .264 | 140gr | Hornady SST bullet and 40 powders such as ADI AR 2217, Hodgdon H1000, Norma 217, ReloadSwiss RS 80, 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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  • 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 2213
<<locked>>
85%
57870
89%
**35
100%
ADI AR 2217 👍
<<locked>>
94%
58363
90%
**31
100%
ADI AR 2218
<<locked>>
97%
57377
88%
**40
99%
ADI AR 2225
<<locked>>
96%
58146
89%
**58
100%
Accurate 3100
<<locked>>
85%
57986
89%
**30
100%
Accurate 8700
<<locked>>
97%
45759
70%
**18
95%
Accurate MAGPRO
<<locked>>
85%
58378
90%
**58
99%
Alliant Reloder-22
<<locked>>
85%
58378
90%
**35
100%
Alliant Reloder-23
<<locked>>
86%
58247
90%
**56
100%
Alliant Reloder-25
<<locked>>
89%
57870
89%
**22
100%
Alliant Reloder-33
<<locked>>
94%
58117
89%
**91
99%
Alliant Reloder-50
<<locked>>
97%
55071
85%
**31
98%
Hodgdon H1000 👍
<<locked>>
94%
58363
90%
**31
100%
Hodgdon H4831
<<locked>>
88%
58160
90%
**92
100%
Hodgdon H4831 SC
<<locked>>
85%
58421
90%
**05
100%
Hodgdon Retumbo
<<locked>>
96%
58146
89%
**58
100%
[Hodgdon US 869]*
<<locked>>
97%
50531
78%
**87
92%
Hodgdon TrailBoss
<<locked>>
97%
36550
56%
**93
100%
IMR 4955 Enduron
<<locked>>
86%
57870
89%
**59
100%
IMR 7828 SSC
<<locked>>
84%
58015
89%
**48
100%
IMR 7977 Enduron
<<locked>>
91%
57914
89%
**36
96%
IMR 8133 Enduron
<<locked>>
97%
55187
85%
**12
100%
Lovex D100
<<locked>>
94%
57957
89%
**69
95%
Lovex S071
<<locked>>
90%
58421
90%
**33
100%
Norma 217 👍
<<locked>>
97%
56710
87%
**45
100%
[Ramshot LRT]*
<<locked>>
97%
56942
88%
**68
94%
Ramshot Magnum
<<locked>>
85%
57696
89%
**89
100%
ReloadSwiss RS 14
<<locked>>
96%
37188
57%
**29
100%
ReloadSwiss RS 76
<<locked>>
89%
57870
89%
**94
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
57943
89%
**81
100%
SNPE Vectan SP 13
<<locked>>
97%
48022
74%
**38
96%
[Vihtavuori 20N29]*
<<locked>>
97%
45774
70%
**12
93%
[Vihtavuori 24N41]*
<<locked>>
97%
57377
88%
**25
94%
Vihtavuori N165
<<locked>>
88%
58421
90%
**56
100%
Vihtavuori N170
<<locked>>
96%
57783
89%
**76
97%
Vihtavuori N560
<<locked>>
85%
58189
90%
**51
100%
Vihtavuori N565
<<locked>>
89%
58479
90%
**31
100%
Vihtavuori N568 👍
<<locked>>
91%
57885
89%
**74
100%
Vihtavuori N570
<<locked>>
93%
58146
89%
**17
98%
Winchester StaBALL HD
<<locked>>
85%
58276
90%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
50096
77%
**10
99%
ADI AR 2217
<<locked>>
81%
37579
58%
**48
97%
[ADI AR 2218]*
<<locked>>
83%
34969
54%
**28
90%
ADI AR 2225
<<locked>>
81%
34751
53%
**05
99%
Accurate 3100
<<locked>>
81%
50575
78%
**15
100%
[Accurate 8700]*
<<locked>>
89%
34867
54%
**62
90%
Accurate MAGPRO
<<locked>>
81%
50256
77%
**13
98%
Alliant Reloder-22
<<locked>>
81%
50763
78%
**00
100%
Alliant Reloder-23
<<locked>>
81%
49429
76%
**25
100%
Alliant Reloder-25
<<locked>>
81%
43497
67%
**79
100%
[Alliant Reloder-33]*
<<locked>>
81%
35491
55%
**18
91%
[Alliant Reloder-50]*
<<locked>>
84%
34911
54%
**95
90%
Hodgdon H1000
<<locked>>
81%
37579
58%
**48
97%
Hodgdon H4831
<<locked>>
81%
46311
71%
**82
98%
Hodgdon H4831 SC
<<locked>>
81%
51663
80%
**87
99%
Hodgdon Retumbo
<<locked>>
81%
34751
53%
**05
99%
[Hodgdon US 869]*
<<locked>>
94%
45614
70%
**92
90%
Hodgdon TrailBoss
<<locked>>
81%
29167
45%
**32
100%
IMR 4955 Enduron
<<locked>>
81%
50082
77%
**31
99%
IMR 7828 SSC
<<locked>>
81%
52141
80%
**53
100%
[IMR 7977 Enduron]*
<<locked>>
81%
42598
66%
**54
91%
[IMR 8133 Enduron]*
<<locked>>
81%
32184
50%
**23
94%
[Lovex D100]*
<<locked>>
86%
43439
67%
**03
90%
Lovex S071
<<locked>>
81%
43685
67%
**94
100%
Norma 217
<<locked>>
81%
32721
50%
**46
97%
[Ramshot LRT]*
<<locked>>
91%
45905
71%
**51
90%
Ramshot Magnum
<<locked>>
81%
49197
76%
**51
100%
ReloadSwiss RS 14
<<locked>>
81%
29805
46%
**68
100%
ReloadSwiss RS 76
<<locked>>
81%
42279
65%
**15
100%
ReloadSwiss RS 80
<<locked>>
81%
39015
60%
**03
96%
[SNPE Vectan SP 13]*
<<locked>>
88%
35433
55%
**52
90%
[Vihtavuori 20N29]*
<<locked>>
93%
39726
61%
**74
90%
[Vihtavuori 24N41]*
<<locked>>
91%
46122
71%
**08
90%
Vihtavuori N165
<<locked>>
81%
46833
72%
**62
100%
[Vihtavuori N170]*
<<locked>>
81%
35839
55%
**33
90%
Vihtavuori N560
<<locked>>
81%
51358
79%
**36
99%
Vihtavuori N565
<<locked>>
81%
45020
69%
**95
98%
Vihtavuori N568
<<locked>>
81%
39827
61%
**13
95%
[Vihtavuori N570]*
<<locked>>
81%
38348
59%
**00
92%
Winchester StaBALL HD
<<locked>>
81%
49429
76%
**04
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.

<<locked>>... you need to buy an access license to unlock the data

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