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Load data for 6.5-300 Weatherby Magnum + .264 | 156gr | Berger LRBTHP

Recommended Powder(s): ADI AR 2218, Alliant Reloder-33, Alliant Reloder-50, IMR 8133 Enduron, Vihtavuori N570

6.5-300 Weatherby Magnum + .264 | 156gr | Berger LRBTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 156gr | Berger LRBTHP
Manufacturer SKU:
26550
Bullet Weight:
156gr | 10.1g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.413" | 35.9mm
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:
0.692" | 17.6mm
Shank Seated Depth:
0.462" | 11.7mm
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_B1013_C1352
Last updated:
2025-02-02
Recommended Twist Rate:
1:9 - 1:8

Load data for 62 loads in caliber 6.5-300 Weatherby Magnum with .264 | 156gr | Berger LRBTHP bullet and 31 powders such as ADI AR 2218, Alliant Reloder-33, Alliant Reloder-50, IMR 8133 Enduron, Vihtavuori N570. 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 2217
<<locked>>
91%
58291
90%
**97
100%
ADI AR 2218 👍
<<locked>>
94%
58247
90%
**28
100%
ADI AR 2225
<<locked>>
93%
57783
89%
**17
100%
Accurate 8700
<<locked>>
97%
50937
78%
**92
98%
Alliant Reloder-23
<<locked>>
83%
57841
89%
**02
100%
Alliant Reloder-25
<<locked>>
87%
57841
89%
**77
100%
Alliant Reloder-33 👍
<<locked>>
91%
58088
89%
**53
99%
Alliant Reloder-50 👍
<<locked>>
95%
58378
90%
**56
99%
Hodgdon H1000
<<locked>>
91%
58291
90%
**97
100%
Hodgdon H4831
<<locked>>
86%
58407
90%
**64
100%
Hodgdon Retumbo
<<locked>>
93%
57783
89%
**17
100%
Hodgdon US 869
<<locked>>
97%
55753
86%
**67
95%
Hodgdon TrailBoss
<<locked>>
97%
36579
56%
**01
100%
IMR 4955 Enduron
<<locked>>
84%
58189
90%
**35
100%
IMR 7977 Enduron
<<locked>>
89%
58247
90%
**25
97%
IMR 8133 Enduron 👍
<<locked>>
95%
57885
89%
**23
100%
Lovex D100
<<locked>>
92%
58044
89%
**51
96%
Lovex S071
<<locked>>
87%
57725
89%
**89
100%
Norma 217
<<locked>>
94%
57928
89%
**17
100%
Ramshot LRT
<<locked>>
95%
58421
90%
**69
96%
ReloadSwiss RS 14
<<locked>>
96%
37579
58%
**44
100%
ReloadSwiss RS 76
<<locked>>
86%
58088
89%
**36
100%
ReloadSwiss RS 80
<<locked>>
89%
58363
90%
**43
100%
SNPE Vectan SP 13
<<locked>>
97%
52750
81%
**99
98%
Vihtavuori 20N29
<<locked>>
97%
51126
79%
**92
96%
Vihtavuori 24N41
<<locked>>
95%
58102
89%
**13
96%
Vihtavuori N165
<<locked>>
85%
57899
89%
**12
100%
Vihtavuori N170
<<locked>>
94%
58175
90%
**64
98%
Vihtavuori N565
<<locked>>
86%
58363
90%
**00
100%
Vihtavuori N568
<<locked>>
89%
57841
89%
**27
100%
Vihtavuori N570 👍
<<locked>>
90%
57899
89%
**72
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
41263
64%
**02
99%
[ADI AR 2218]*
<<locked>>
81%
35476
55%
**36
93%
ADI AR 2225
<<locked>>
81%
38551
59%
**82
100%
[Accurate 8700]*
<<locked>>
84%
31763
49%
**72
90%
Alliant Reloder-23
<<locked>>
81%
53780
83%
**49
100%
Alliant Reloder-25
<<locked>>
81%
47892
74%
**23
100%
Alliant Reloder-33
<<locked>>
81%
39450
61%
**05
95%
[Alliant Reloder-50]*
<<locked>>
81%
34577
53%
**77
92%
Hodgdon H1000
<<locked>>
81%
41263
64%
**02
99%
Hodgdon H4831
<<locked>>
81%
50241
77%
**30
100%
Hodgdon Retumbo
<<locked>>
81%
38551
59%
**82
100%
[Hodgdon US 869]*
<<locked>>
88%
41394
64%
**89
90%
Hodgdon TrailBoss
<<locked>>
81%
29254
45%
**47
100%
IMR 4955 Enduron
<<locked>>
81%
53461
82%
**62
100%
[IMR 7977 Enduron]*
<<locked>>
81%
45600
70%
**05
94%
IMR 8133 Enduron
<<locked>>
81%
35795
55%
**93
97%
[Lovex D100]*
<<locked>>
81%
39958
61%
**10
90%
Lovex S071
<<locked>>
81%
47268
73%
**28
100%
Norma 217
<<locked>>
81%
36637
56%
**30
99%
[Ramshot LRT]*
<<locked>>
85%
41524
64%
**35
90%
ReloadSwiss RS 14
<<locked>>
81%
30197
46%
**86
100%
ReloadSwiss RS 76
<<locked>>
81%
47630
73%
**76
100%
ReloadSwiss RS 80
<<locked>>
81%
43381
67%
**74
98%
[SNPE Vectan SP 13]*
<<locked>>
82%
32300
50%
**69
90%
[Vihtavuori 20N29]*
<<locked>>
87%
36216
56%
**80
90%
[Vihtavuori 24N41]*
<<locked>>
85%
41785
64%
**02
90%
Vihtavuori N165
<<locked>>
81%
50575
78%
**97
100%
[Vihtavuori N170]*
<<locked>>
81%
39030
60%
**03
93%
Vihtavuori N565
<<locked>>
81%
49139
76%
**40
100%
Vihtavuori N568
<<locked>>
81%
44324
68%
**94
98%
Vihtavuori N570
<<locked>>
81%
42569
66%
**87
96%

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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