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Load data for .300 Weath. Mag. + .308 | 165gr | NorthFork Bonded Core

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555

.300 Weath. Mag. + .308 | 165gr | NorthFork Bonded Core

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | NorthFork Bonded Core
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.216" | 30.9mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.533" | 13.5mm
Shank Seated Depth:
0.533" | 13.5mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B3917_C379
Last updated:
2025-01-01

Load data for 142 loads in caliber .300 Weath. Mag. with .308 | 165gr | NorthFork Bonded Core bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555. 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 2208
<<locked>>
85%
56956
89%
**89
100%
ADI AR 2209
<<locked>>
95%
56971
89%
**84
98%
ADI AR 2213
<<locked>>
97%
53272
83%
**41
97%
[ADI AR 2225]*
<<locked>>
97%
34389
54%
**67
93%
Accurate 2700
<<locked>>
86%
57029
89%
**46
99%
Accurate 3100
<<locked>>
97%
52881
83%
**59
99%
Accurate 4350
<<locked>>
90%
57116
89%
**48
100%
[Accurate MAGPRO]*
<<locked>>
97%
52417
82%
**45
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
57421
90%
**02
100%
Alliant Reloder-16
<<locked>>
91%
56797
89%
**94
100%
Alliant Reloder-17
<<locked>>
87%
56652
89%
**91
100%
Alliant Reloder-19
<<locked>>
96%
57334
90%
**84
99%
Alliant Reloder-22
<<locked>>
97%
52634
82%
**48
98%
Alliant Reloder-23
<<locked>>
97%
50140
79%
**76
100%
Alliant Reloder-25
<<locked>>
97%
43511
68%
**00
99%
Alliant Reloder-26 👍
<<locked>>
96%
56884
89%
**63
100%
Hodgdon H380
<<locked>>
84%
56869
89%
**09
100%
Hodgdon H414
<<locked>>
86%
57305
90%
**77
99%
Hodgdon H4350
<<locked>>
93%
57276
90%
**25
99%
Hodgdon H4831
<<locked>>
97%
49458
78%
**23
95%
Hodgdon H4831 SC
<<locked>>
97%
55767
87%
**25
96%
Hodgdon Hybrid 100V
<<locked>>
93%
57087
89%
**09
100%
Hodgdon LVR
<<locked>>
89%
56913
89%
**51
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34389
54%
**67
93%
Hodgdon Superperformance
<<locked>>
89%
56739
89%
**91
99%
Hodgdon VARGET
<<locked>>
85%
57290
90%
**89
100%
Hodgdon TrailBoss
<<locked>>
97%
35128
55%
**60
100%
IMR 4064
<<locked>>
85%
56739
89%
**76
100%
IMR 4166 Enduron
<<locked>>
86%
56840
89%
**76
99%
IMR 4350
<<locked>>
92%
57290
90%
**25
99%
IMR 4451 Enduron
<<locked>>
87%
56724
89%
**02
99%
IMR 4831 👍
<<locked>>
95%
56985
89%
**35
100%
IMR 4955 Enduron
<<locked>>
97%
54853
86%
**79
96%
IMR 7828 SSC
<<locked>>
97%
55027
86%
**94
97%
Lovex S065
<<locked>>
89%
57101
89%
**92
100%
Lovex S070
<<locked>>
90%
57377
90%
**25
100%
Lovex S071
<<locked>>
97%
43961
69%
**99
98%
Norma 204
<<locked>>
91%
56855
89%
**54
98%
Norma MRP
<<locked>>
97%
56304
88%
**30
99%
Norma URP
<<locked>>
91%
56956
89%
**54
100%
Ramshot Hunter 👍
<<locked>>
92%
57290
90%
**71
100%
Ramshot Magnum
<<locked>>
97%
51547
81%
**05
98%
ReloadSwiss RS 14
<<locked>>
97%
35752
56%
**03
100%
ReloadSwiss RS 50
<<locked>>
83%
56637
89%
**89
100%
ReloadSwiss RS 60
<<locked>>
88%
56797
89%
**10
100%
ReloadSwiss RS 62
<<locked>>
90%
57188
90%
**71
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57058
89%
**20
100%
ReloadSwiss RS 76
<<locked>>
97%
42134
66%
**00
97%
Rottweil R 903
<<locked>>
86%
56724
89%
**89
100%
Rottweil R 904
<<locked>>
95%
57290
90%
**28
97%
Rottweil R 905
<<locked>>
96%
57116
89%
**71
99%
Rottweil R 907
<<locked>>
88%
57174
90%
**05
99%
SNPE Vectan SP 11
<<locked>>
85%
57377
90%
**35
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57217
90%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57145
90%
**46
99%
Shooters World Long Rifle
<<locked>>
89%
57101
89%
**92
100%
Somchem S355
<<locked>>
86%
56942
89%
**92
100%
Somchem S361
<<locked>>
94%
57232
90%
**86
97%
Somchem S365
<<locked>>
93%
56782
89%
**58
100%
Somchem S385
<<locked>>
96%
57159
90%
**35
99%
Vihtavuori N135
<<locked>>
87%
56956
89%
**00
100%
Vihtavuori N150
<<locked>>
91%
56768
89%
**40
100%
Vihtavuori N160
<<locked>>
88%
57217
90%
**12
100%
Vihtavuori N165
<<locked>>
97%
49342
77%
**94
98%
Vihtavuori N550
<<locked>>
88%
56768
89%
**48
100%
Vihtavuori N555 👍
<<locked>>
97%
56014
88%
**64
100%
Vihtavuori N560
<<locked>>
97%
53026
83%
**61
96%
[Vihtavuori N565]*
<<locked>>
97%
45092
71%
**90
94%
Winchester 6.5 StaBALL
<<locked>>
90%
56971
89%
**79
100%
Winchester 760
<<locked>>
86%
57305
90%
**77
99%
Winchester StaBALL HD
<<locked>>
97%
45121
71%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50430
79%
**77
100%
[ADI AR 2209]*
<<locked>>
81%
35288
55%
**31
92%
[ADI AR 2213]*
<<locked>>
85%
36129
57%
**67
90%
[ADI AR 2225]*
<<locked>>
93%
30516
48%
**43
90%
Accurate 2700
<<locked>>
81%
48965
77%
**12
98%
[Accurate 3100]*
<<locked>>
81%
30763
48%
**87
93%
Accurate 4350
<<locked>>
81%
41756
65%
**72
99%
[Accurate MAGPRO]*
<<locked>>
90%
40640
64%
**02
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51401
81%
**10
100%
Alliant Reloder-16
<<locked>>
81%
40364
63%
**82
99%
Alliant Reloder-17
<<locked>>
81%
46253
72%
**13
100%
[Alliant Reloder-19]*
<<locked>>
81%
35070
55%
**18
92%
[Alliant Reloder-22]*
<<locked>>
82%
31879
50%
**75
90%
Alliant Reloder-23
<<locked>>
81%
29718
47%
**23
97%
[Alliant Reloder-25]*
<<locked>>
81%
26498
42%
**11
90%
Alliant Reloder-26
<<locked>>
81%
31894
50%
**38
95%
Hodgdon H380
<<locked>>
81%
52199
82%
**36
100%
Hodgdon H414
<<locked>>
81%
47587
75%
**07
98%
Hodgdon H4350
<<locked>>
81%
39001
61%
**71
95%
[Hodgdon H4831]*
<<locked>>
88%
37144
58%
**51
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
36898
58%
**48
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37869
59%
**74
99%
Hodgdon LVR
<<locked>>
81%
44527
70%
**25
99%
[Hodgdon Retumbo]*
<<locked>>
93%
30516
48%
**43
90%
Hodgdon Superperformance
<<locked>>
81%
42946
67%
**38
97%
Hodgdon VARGET
<<locked>>
81%
50256
79%
**77
100%
Hodgdon TrailBoss
<<locked>>
81%
27905
44%
**99
100%
IMR 4064
<<locked>>
81%
49763
78%
**61
100%
IMR 4166 Enduron
<<locked>>
81%
48704
76%
**35
98%
IMR 4350
<<locked>>
81%
40959
64%
**10
96%
IMR 4451 Enduron
<<locked>>
81%
46978
74%
**22
98%
IMR 4831
<<locked>>
81%
36361
57%
**35
98%
[IMR 4955 Enduron]*
<<locked>>
83%
36071
57%
**92
90%
[IMR 7828 SSC]*
<<locked>>
85%
36274
57%
**84
90%
Lovex S065
<<locked>>
81%
44396
70%
**66
98%
Lovex S070
<<locked>>
81%
42554
67%
**43
97%
[Lovex S071]*
<<locked>>
81%
26484
42%
**65
91%
[Norma 204]*
<<locked>>
81%
40509
63%
**43
94%
[Norma MRP]*
<<locked>>
81%
32285
51%
**18
92%
Norma URP
<<locked>>
81%
41220
65%
**62
99%
Ramshot Hunter
<<locked>>
81%
40234
63%
**53
97%
[Ramshot Magnum]*
<<locked>>
83%
30560
48%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
28500
45%
**45
100%
ReloadSwiss RS 50
<<locked>>
81%
52170
82%
**23
99%
ReloadSwiss RS 60
<<locked>>
81%
44498
70%
**10
100%
ReloadSwiss RS 62
<<locked>>
81%
41727
65%
**99
99%
ReloadSwiss RS 70
<<locked>>
81%
40205
63%
**02
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
30748
48%
**79
90%
Rottweil R 903
<<locked>>
81%
49008
77%
**61
100%
[Rottweil R 904]*
<<locked>>
81%
36622
57%
**18
91%
[Rottweil R 905]*
<<locked>>
81%
34243
54%
**02
92%
Rottweil R 907
<<locked>>
81%
45440
71%
**92
97%
SNPE Vectan SP 11
<<locked>>
81%
50314
79%
**23
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49966
78%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43410
68%
**13
97%
Shooters World Long Rifle
<<locked>>
81%
44396
70%
**66
98%
Somchem S355
<<locked>>
81%
49153
77%
**61
100%
[Somchem S361]*
<<locked>>
81%
37289
58%
**98
90%
Somchem S365
<<locked>>
81%
37826
59%
**17
100%
[Somchem S385]*
<<locked>>
81%
34925
55%
**95
93%
Vihtavuori N135
<<locked>>
81%
47747
75%
**62
100%
Vihtavuori N150
<<locked>>
81%
42264
66%
**03
100%
Vihtavuori N160
<<locked>>
81%
44628
70%
**99
99%
[Vihtavuori N165]*
<<locked>>
82%
29849
47%
**51
90%
Vihtavuori N550
<<locked>>
81%
45005
71%
**41
99%
Vihtavuori N555
<<locked>>
81%
33083
52%
**08
97%
[Vihtavuori N560]*
<<locked>>
86%
36506
57%
**10
90%
[Vihtavuori N565]*
<<locked>>
90%
35810
56%
**77
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41989
66%
**40
100%
Winchester 760
<<locked>>
81%
47587
75%
**07
98%
Winchester StaBALL HD
<<locked>>
81%
26295
41%
**97
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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