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Load data for 6.5-300 Weatherby Magnum + .263 | 156gr | Prvi Partizan SP RN

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

6.5-300 Weatherby Magnum + .263 | 156gr | Prvi Partizan SP RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.263 | 156gr | Prvi Partizan SP RN
Manufacturer SKU:
B-118
Bullet Weight:
156gr | 10.1g
Bullet Diameter:
0.263" | 6.68mm
Bullet Length:
1.279" | 32.5mm
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:
0.558" | 14.2mm
Shank Seated Depth:
0.558" | 14.2mm
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_B9115_C1352
Last updated:
2025-01-01

Load data for 62 loads in caliber 6.5-300 Weatherby Magnum with .263 | 156gr | Prvi Partizan SP RN 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>>
90%
58015
89%
**97
100%
ADI AR 2218 👍
<<locked>>
94%
58218
90%
**18
100%
ADI AR 2225
<<locked>>
92%
58001
89%
**07
100%
Accurate 8700
<<locked>>
97%
52272
80%
**08
98%
Alliant Reloder-25
<<locked>>
86%
58204
90%
**74
100%
Alliant Reloder-33 👍
<<locked>>
91%
58088
89%
**59
99%
Alliant Reloder-50 👍
<<locked>>
95%
58320
90%
**56
99%
[Hodgdon 50BMG]*
<<locked>>
97%
55724
86%
**81
92%
Hodgdon H1000
<<locked>>
90%
58015
89%
**97
100%
Hodgdon H4831
<<locked>>
85%
58378
90%
**64
100%
Hodgdon Retumbo
<<locked>>
92%
58001
89%
**07
100%
Hodgdon US 869
<<locked>>
97%
56449
87%
**67
95%
Hodgdon TrailBoss
<<locked>>
96%
36477
56%
**01
100%
IMR 4955 Enduron
<<locked>>
83%
58088
89%
**35
100%
IMR 7977 Enduron
<<locked>>
88%
57943
89%
**18
97%
IMR 8133 Enduron 👍
<<locked>>
95%
58044
89%
**23
100%
Lovex D100
<<locked>>
91%
58189
90%
**48
96%
Lovex S071
<<locked>>
87%
57754
89%
**82
100%
Norma 217
<<locked>>
94%
58247
90%
**20
100%
Ramshot LRT
<<locked>>
94%
58363
90%
**63
96%
ReloadSwiss RS 14
<<locked>>
96%
37420
58%
**44
100%
ReloadSwiss RS 76
<<locked>>
86%
58044
89%
**36
100%
ReloadSwiss RS 80
<<locked>>
88%
58436
90%
**40
100%
SNPE Vectan SP 13
<<locked>>
97%
53577
82%
**15
98%
Vihtavuori 20N29
<<locked>>
97%
52069
80%
**05
96%
Vihtavuori 24N41
<<locked>>
94%
58030
89%
**10
96%
Vihtavuori N165
<<locked>>
85%
58378
90%
**08
100%
Vihtavuori N170
<<locked>>
93%
57986
89%
**64
99%
Vihtavuori N565
<<locked>>
85%
57928
89%
**87
100%
Vihtavuori N568
<<locked>>
88%
58030
89%
**30
100%
Vihtavuori N570 👍
<<locked>>
89%
58189
90%
**76
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
41858
64%
**18
99%
[ADI AR 2218]*
<<locked>>
81%
36114
56%
**56
93%
ADI AR 2225
<<locked>>
81%
39363
61%
**89
100%
[Accurate 8700]*
<<locked>>
83%
31633
49%
**69
90%
Alliant Reloder-25
<<locked>>
81%
48791
75%
**30
100%
Alliant Reloder-33
<<locked>>
81%
40277
62%
**25
95%
[Alliant Reloder-50]*
<<locked>>
81%
35360
54%
**84
92%
[Hodgdon 50BMG]*
<<locked>>
94%
50473
78%
**79
90%
Hodgdon H1000
<<locked>>
81%
41858
64%
**18
99%
Hodgdon H4831
<<locked>>
81%
50937
78%
**36
100%
Hodgdon Retumbo
<<locked>>
81%
39363
61%
**89
100%
[Hodgdon US 869]*
<<locked>>
88%
41466
64%
**85
90%
Hodgdon TrailBoss
<<locked>>
81%
29240
45%
**50
100%
IMR 4955 Enduron
<<locked>>
81%
54027
83%
**66
100%
[IMR 7977 Enduron]*
<<locked>>
81%
46137
71%
**12
94%
IMR 8133 Enduron
<<locked>>
81%
36709
56%
**20
98%
[Lovex D100]*
<<locked>>
81%
40437
62%
**20
91%
Lovex S071
<<locked>>
81%
47921
74%
**38
100%
Norma 217
<<locked>>
81%
37594
58%
**46
99%
[Ramshot LRT]*
<<locked>>
85%
41191
63%
**31
90%
ReloadSwiss RS 14
<<locked>>
81%
30182
46%
**90
100%
ReloadSwiss RS 76
<<locked>>
81%
48385
74%
**85
100%
ReloadSwiss RS 80
<<locked>>
81%
44266
68%
**87
98%
[SNPE Vectan SP 13]*
<<locked>>
81%
31821
49%
**52
90%
[Vihtavuori 20N29]*
<<locked>>
87%
36260
56%
**74
90%
[Vihtavuori 24N41]*
<<locked>>
85%
41539
64%
**98
90%
Vihtavuori N165
<<locked>>
81%
51140
79%
**00
100%
[Vihtavuori N170]*
<<locked>>
81%
39508
61%
**10
94%
Vihtavuori N565
<<locked>>
81%
50140
77%
**59
100%
Vihtavuori N568
<<locked>>
81%
45266
70%
**00
98%
Vihtavuori N570
<<locked>>
81%
43511
67%
**94
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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