top of page

Load data for 6.5-300 Weatherby Magnum + .264 | 120gr | Hornady GMX

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

6.5-300 Weatherby Magnum + .264 | 120gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 120gr | Hornady GMX
Manufacturer SKU:
26110
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.403" | 35.6mm
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:
0.682" | 17.3mm
Shank Seated Depth:
0.582" | 14.8mm
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_B2580_C1352
Last updated:
2025-01-01
Recommended Twist Rate:
1:8 - 1:7

Load data for 92 loads in caliber 6.5-300 Weatherby Magnum with .264 | 120gr | Hornady GMX 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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%
58392
90%
**15
100%
ADI AR 2213
<<locked>>
88%
58030
89%
**32
99%
ADI AR 2217
<<locked>>
97%
57058
88%
**15
100%
ADI AR 2218
<<locked>>
97%
50560
78%
**79
95%
ADI AR 2225
<<locked>>
97%
52373
81%
**76
100%
Accurate 3100
<<locked>>
88%
57899
89%
**30
100%
Accurate MAGPRO
<<locked>>
88%
58378
90%
**45
98%
Alliant Reloder-19
<<locked>>
86%
58030
89%
**99
100%
Alliant Reloder-22
<<locked>>
88%
58334
90%
**25
100%
Alliant Reloder-23
<<locked>>
89%
58363
90%
**63
100%
Alliant Reloder-25
<<locked>>
93%
58131
89%
**28
100%
Alliant Reloder-26
<<locked>>
85%
58175
90%
**41
100%
Alliant Reloder-33
<<locked>>
97%
56246
87%
**55
97%
[Alliant Reloder-50]*
<<locked>>
97%
47558
73%
**61
94%
Hodgdon H1000
<<locked>>
97%
57058
88%
**15
100%
Hodgdon H4350
<<locked>>
84%
57928
89%
**43
100%
Hodgdon H4831 👍
<<locked>>
91%
58334
90%
**89
99%
Hodgdon H4831 SC
<<locked>>
88%
58334
90%
**89
99%
Hodgdon Hybrid 100V
<<locked>>
83%
57711
89%
**04
100%
Hodgdon Retumbo
<<locked>>
97%
52373
81%
**76
100%
Hodgdon TrailBoss
<<locked>>
97%
36201
56%
**28
100%
IMR 4831
<<locked>>
85%
58160
90%
**36
100%
IMR 4955 Enduron
<<locked>>
89%
58073
89%
**59
99%
IMR 7828 SSC
<<locked>>
87%
57769
89%
**45
99%
[IMR 7977 Enduron]*
<<locked>>
94%
58073
89%
**14
94%
IMR 8133 Enduron
<<locked>>
97%
48109
74%
**71
98%
[Lovex D100]*
<<locked>>
97%
57029
88%
**23
92%
Lovex S071
<<locked>>
93%
57899
89%
**30
100%
Norma 217
<<locked>>
97%
49052
75%
**10
100%
Norma MRP
<<locked>>
86%
57754
89%
**28
100%
Ramshot Magnum
<<locked>>
89%
58450
90%
**96
100%
ReloadSwiss RS 14
<<locked>>
97%
37057
57%
**70
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57885
89%
**04
100%
ReloadSwiss RS 80 👍
<<locked>>
95%
58117
89%
**64
99%
Rottweil R 904
<<locked>>
85%
57682
89%
**53
99%
Rottweil R 905
<<locked>>
86%
58392
90%
**05
100%
Somchem S361
<<locked>>
85%
58088
89%
**27
99%
Somchem S385
<<locked>>
86%
57972
89%
**46
100%
Vihtavuori N165
<<locked>>
91%
58146
89%
**43
100%
Vihtavuori N170
<<locked>>
97%
53214
82%
**77
95%
Vihtavuori N555
<<locked>>
86%
58146
89%
**69
100%
Vihtavuori N560
<<locked>>
88%
58088
89%
**61
99%
Vihtavuori N565 👍
<<locked>>
92%
58088
89%
**25
99%
Vihtavuori N568 👍
<<locked>>
95%
58160
89%
**74
99%
Vihtavuori N570
<<locked>>
96%
57856
89%
**91
97%
Winchester StaBALL HD
<<locked>>
89%
58001
89%
**51
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49443
76%
**48
99%
ADI AR 2213
<<locked>>
81%
44570
69%
**82
97%
[ADI AR 2217]*
<<locked>>
81%
33286
51%
**87
93%
[ADI AR 2218]*
<<locked>>
91%
40132
62%
**23
90%
ADI AR 2225
<<locked>>
81%
30501
47%
**44
95%
Accurate 3100
<<locked>>
81%
45614
70%
**10
100%
Accurate MAGPRO
<<locked>>
81%
44962
69%
**89
95%
Alliant Reloder-19
<<locked>>
81%
49632
76%
**41
99%
Alliant Reloder-22
<<locked>>
81%
45266
70%
**79
98%
Alliant Reloder-23
<<locked>>
81%
43932
68%
**27
100%
Alliant Reloder-25
<<locked>>
81%
38087
59%
**44
99%
Alliant Reloder-26
<<locked>>
81%
50430
78%
**17
100%
[Alliant Reloder-33]*
<<locked>>
87%
37797
58%
**51
90%
[Alliant Reloder-50]*
<<locked>>
92%
39653
61%
**87
90%
[Hodgdon H1000]*
<<locked>>
81%
33286
51%
**87
93%
Hodgdon H4350
<<locked>>
81%
52620
81%
**48
100%
Hodgdon H4831
<<locked>>
81%
41930
65%
**64
95%
Hodgdon H4831 SC
<<locked>>
81%
46412
71%
**66
97%
Hodgdon Hybrid 100V
<<locked>>
81%
53490
82%
**35
100%
Hodgdon Retumbo
<<locked>>
81%
30501
47%
**44
95%
Hodgdon TrailBoss
<<locked>>
81%
28848
44%
**57
100%
IMR 4831
<<locked>>
81%
50792
78%
**15
100%
IMR 4955 Enduron
<<locked>>
81%
45527
70%
**13
97%
IMR 7828 SSC
<<locked>>
81%
46195
71%
**22
97%
[IMR 7977 Enduron]*
<<locked>>
86%
45847
71%
**87
90%
[IMR 8133 Enduron]*
<<locked>>
83%
29892
46%
**12
90%
[Lovex D100]*
<<locked>>
93%
50212
77%
**95
90%
Lovex S071
<<locked>>
81%
38972
60%
**72
99%
[Norma 217]*
<<locked>>
81%
28210
43%
**79
92%
Norma MRP
<<locked>>
81%
48312
74%
**71
100%
Ramshot Magnum
<<locked>>
81%
43424
67%
**27
99%
ReloadSwiss RS 14
<<locked>>
81%
29675
46%
**03
100%
ReloadSwiss RS 76
<<locked>>
81%
36579
56%
**54
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
33634
52%
**30
91%
Rottweil R 904
<<locked>>
81%
50430
78%
**28
98%
Rottweil R 905
<<locked>>
81%
48950
75%
**35
99%
Somchem S361
<<locked>>
81%
51619
79%
**12
98%
Somchem S385
<<locked>>
81%
49516
76%
**02
99%
Vihtavuori N165
<<locked>>
81%
42032
65%
**44
98%
[Vihtavuori N170]*
<<locked>>
89%
41002
63%
**25
90%
Vihtavuori N555
<<locked>>
81%
48907
75%
**09
100%
Vihtavuori N560
<<locked>>
81%
45701
70%
**18
97%
Vihtavuori N565
<<locked>>
81%
39856
61%
**51
95%
[Vihtavuori N568]*
<<locked>>
81%
34983
54%
**62
91%
[Vihtavuori N570]*
<<locked>>
86%
39436
61%
**07
90%
Winchester StaBALL HD
<<locked>>
81%
42598
66%
**92
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

bottom of page