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

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

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 140gr | Hornady GMX
Manufacturer SKU:
26336
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.444" | 36.7mm
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:
0.723" | 18.4mm
Shank Seated Depth:
0.723" | 18.4mm
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_B10922_C1352
Last updated:
2025-02-02

Load data for 84 loads in caliber 6.5-300 Weatherby Magnum with .264 | 140gr | Hornady GMX bullet and 42 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>>
86%
58320
90%
**45
100%
ADI AR 2217 👍
<<locked>>
94%
57812
89%
**31
100%
ADI AR 2218
<<locked>>
97%
56594
87%
**27
99%
ADI AR 2225
<<locked>>
96%
58175
90%
**61
100%
Accurate 3100
<<locked>>
85%
57783
89%
**27
100%
Accurate 8700
<<locked>>
97%
45295
70%
**15
95%
Accurate MAGPRO
<<locked>>
85%
58117
89%
**54
99%
Alliant Reloder-19
<<locked>>
83%
58392
90%
**05
100%
Alliant Reloder-22
<<locked>>
85%
58175
90%
**22
100%
Alliant Reloder-23
<<locked>>
86%
57986
89%
**53
100%
Alliant Reloder-25
<<locked>>
90%
58349
90%
**25
100%
Alliant Reloder-33
<<locked>>
94%
57566
89%
**81
99%
Alliant Reloder-50
<<locked>>
97%
54723
84%
**35
98%
Hodgdon H1000 👍
<<locked>>
94%
57812
89%
**31
100%
Hodgdon H4831
<<locked>>
88%
57957
89%
**89
100%
Hodgdon H4831 SC
<<locked>>
85%
58233
90%
**89
100%
Hodgdon Retumbo
<<locked>>
96%
58175
90%
**61
100%
Hodgdon TrailBoss
<<locked>>
96%
36056
55%
**83
100%
IMR 4955 Enduron
<<locked>>
86%
57928
89%
**69
100%
IMR 7828 SSC
<<locked>>
84%
57943
89%
**45
100%
IMR 7977 Enduron
<<locked>>
91%
58189
90%
**36
96%
IMR 8133 Enduron
<<locked>>
97%
54273
84%
**95
100%
Lovex D100
<<locked>>
94%
58160
90%
**72
95%
Lovex S071
<<locked>>
90%
58102
89%
**30
100%
Norma 217 👍
<<locked>>
97%
56028
86%
**28
100%
Norma MRP
<<locked>>
83%
58001
89%
**35
100%
[Ramshot LRT]*
<<locked>>
97%
56072
86%
**51
94%
Ramshot Magnum
<<locked>>
86%
58305
90%
**95
100%
ReloadSwiss RS 14
<<locked>>
96%
37275
57%
**29
100%
ReloadSwiss RS 76
<<locked>>
89%
57899
89%
**97
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
58059
89%
**71
100%
SNPE Vectan SP 13
<<locked>>
97%
47543
73%
**38
95%
[Vihtavuori 20N29]*
<<locked>>
97%
45353
70%
**99
93%
[Vihtavuori 24N41]*
<<locked>>
97%
56753
87%
**09
94%
Vihtavuori N165
<<locked>>
88%
57972
89%
**40
100%
Vihtavuori N170
<<locked>>
96%
58131
89%
**82
97%
Vihtavuori N555
<<locked>>
83%
58349
90%
**63
100%
Vihtavuori N560
<<locked>>
85%
58117
89%
**58
100%
Vihtavuori N565
<<locked>>
89%
57928
89%
**28
100%
Vihtavuori N568 👍
<<locked>>
92%
57798
89%
**64
99%
Vihtavuori N570
<<locked>>
93%
57653
89%
**04
98%
Winchester StaBALL HD
<<locked>>
85%
57725
89%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49835
77%
**04
99%
ADI AR 2217
<<locked>>
81%
37043
57%
**31
97%
[ADI AR 2218]*
<<locked>>
84%
35244
54%
**35
90%
ADI AR 2225
<<locked>>
81%
34316
53%
**95
99%
Accurate 3100
<<locked>>
81%
50212
77%
**05
100%
[Accurate 8700]*
<<locked>>
90%
34925
54%
**66
90%
Accurate MAGPRO
<<locked>>
81%
50053
77%
**10
98%
Alliant Reloder-19
<<locked>>
81%
54186
83%
**33
100%
Alliant Reloder-22
<<locked>>
81%
50502
78%
**97
100%
Alliant Reloder-23
<<locked>>
81%
49124
76%
**18
100%
Alliant Reloder-25
<<locked>>
81%
43207
66%
**72
100%
[Alliant Reloder-33]*
<<locked>>
81%
34925
54%
**05
91%
[Alliant Reloder-50]*
<<locked>>
85%
34693
53%
**95
90%
Hodgdon H1000
<<locked>>
81%
37043
57%
**31
97%
Hodgdon H4831
<<locked>>
81%
46035
71%
**76
98%
Hodgdon H4831 SC
<<locked>>
81%
51213
79%
**77
99%
Hodgdon Retumbo
<<locked>>
81%
34316
53%
**95
99%
Hodgdon TrailBoss
<<locked>>
81%
29167
45%
**29
100%
IMR 4955 Enduron
<<locked>>
81%
49414
76%
**22
99%
IMR 7828 SSC
<<locked>>
81%
51605
79%
**33
100%
[IMR 7977 Enduron]*
<<locked>>
81%
42018
65%
**38
91%
[IMR 8133 Enduron]*
<<locked>>
81%
31937
49%
**13
94%
[Lovex D100]*
<<locked>>
87%
44019
68%
**13
90%
Lovex S071
<<locked>>
81%
43381
67%
**84
100%
Norma 217
<<locked>>
81%
32213
50%
**43
97%
Norma MRP
<<locked>>
81%
53722
83%
**63
100%
[Ramshot LRT]*
<<locked>>
91%
45861
71%
**41
90%
Ramshot Magnum
<<locked>>
81%
48907
75%
**48
100%
ReloadSwiss RS 14
<<locked>>
81%
29834
46%
**68
100%
ReloadSwiss RS 76
<<locked>>
81%
41814
64%
**08
100%
ReloadSwiss RS 80
<<locked>>
81%
38508
59%
**94
96%
[SNPE Vectan SP 13]*
<<locked>>
88%
35433
55%
**56
90%
[Vihtavuori 20N29]*
<<locked>>
93%
39740
61%
**77
90%
[Vihtavuori 24N41]*
<<locked>>
91%
46180
71%
**08
90%
Vihtavuori N165
<<locked>>
81%
46238
71%
**49
100%
[Vihtavuori N170]*
<<locked>>
81%
35926
55%
**36
90%
Vihtavuori N555
<<locked>>
81%
54128
83%
**04
100%
Vihtavuori N560
<<locked>>
81%
50618
78%
**23
99%
Vihtavuori N565
<<locked>>
81%
44440
68%
**85
98%
Vihtavuori N568
<<locked>>
81%
39610
61%
**10
95%
[Vihtavuori N570]*
<<locked>>
81%
37811
58%
**90
92%
Winchester StaBALL HD
<<locked>>
81%
49168
76%
**00
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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