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Load data for .300 Win. Mag. + .308 | 165gr | Barnes X FN

Recommended Powder(s):

.300 Win. Mag. + .308 | 165gr | Barnes X FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Barnes X FN
Manufacturer SKU:
30829
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B619_C380
Last updated:
2026-01-21

Load data for 150 loads in caliber .300 Win. Mag. with .308 | 165gr | Barnes X FN bullet and 75 powder(s). 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>>
84%
55912
90%
**13
100%
ADI AR 2209
<<locked>>
95%
55767
89%
**05
98%
ADI AR 2213
<<locked>>
97%
52866
85%
**79
96%
[ADI AR 2225]*
<<locked>>
97%
35824
57%
**48
93%
Accurate 2700
<<locked>>
85%
56057
90%
**71
98%
Accurate 3100
<<locked>>
97%
53374
86%
**17
99%
Accurate 4350
<<locked>>
89%
55477
89%
**72
100%
[Accurate MAGPRO]*
<<locked>>
97%
51532
83%
**79
93%
Alliant Reloder- TS 15.5
<<locked>>
83%
55709
89%
**23
100%
Alliant Reloder-16
<<locked>>
91%
55738
89%
**28
100%
Alliant Reloder-17
<<locked>>
86%
55637
89%
**35
100%
Alliant Reloder-19
<<locked>>
95%
55738
89%
**05
98%
Alliant Reloder-22
<<locked>>
97%
52141
84%
**86
97%
Alliant Reloder-23
<<locked>>
97%
49748
80%
**33
100%
Alliant Reloder-25
<<locked>>
97%
43656
70%
**44
98%
Alliant Reloder-26 👍
<<locked>>
97%
55927
90%
**10
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
52518
84%
**81
92%
Bofors RP15
<<locked>>
97%
48370
78%
**10
96%
[Bofors RP30]*
<<locked>>
97%
40248
65%
**69
93%
Bofors RP5
<<locked>>
97%
52141
84%
**86
97%
Bofors RP7
<<locked>>
87%
55680
89%
**20
98%
Hodgdon H414
<<locked>>
86%
56028
90%
**99
99%
Hodgdon H4350
<<locked>>
93%
55695
89%
**40
98%
[Hodgdon H4831]*
<<locked>>
97%
48950
78%
**48
94%
Hodgdon H4831 SC
<<locked>>
97%
55419
89%
**66
96%
Hodgdon Hybrid 100V
<<locked>>
93%
55651
89%
**40
100%
Hodgdon LVR
<<locked>>
88%
55912
90%
**79
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35824
57%
**48
93%
Hodgdon Superperformance
<<locked>>
89%
55666
89%
**35
99%
Hodgdon VARGET
<<locked>>
84%
55782
89%
**13
100%
Hodgdon TrailBoss
<<locked>>
97%
35505
57%
**18
100%
IMR 4064
<<locked>>
84%
55172
88%
**00
100%
IMR 4166 Enduron
<<locked>>
86%
55999
90%
**97
99%
IMR 4350
<<locked>>
91%
55666
89%
**40
99%
IMR 4451 Enduron
<<locked>>
87%
55898
90%
**27
99%
IMR 4831
<<locked>>
95%
56057
90%
**66
100%
IMR 4955 Enduron
<<locked>>
97%
53882
86%
**07
95%
IMR 7828 SSC
<<locked>>
97%
54157
87%
**12
96%
Lovex S065
<<locked>>
88%
55753
89%
**20
100%
Lovex S070
<<locked>>
89%
55738
89%
**36
99%
Lovex S071
<<locked>>
97%
45585
73%
**76
98%
Norma 204
<<locked>>
91%
55941
90%
**86
98%
Norma MRP
<<locked>>
97%
55013
88%
**71
99%
Norma URP
<<locked>>
90%
55564
89%
**82
100%
Ramshot Grand
<<locked>>
96%
55347
89%
**45
97%
Ramshot Hunter 👍
<<locked>>
91%
55550
89%
**95
99%
Ramshot Magnum
<<locked>>
97%
51068
82%
**46
98%
ReloadSwiss RS 14
<<locked>>
97%
36230
58%
**60
100%
ReloadSwiss RS 60
<<locked>>
85%
55738
89%
**35
100%
ReloadSwiss RS 62
<<locked>>
89%
55245
89%
**89
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
56101
90%
**58
100%
ReloadSwiss RS 76
<<locked>>
97%
42467
68%
**54
96%
Rottweil R 903
<<locked>>
85%
56101
90%
**27
100%
Rottweil R 904
<<locked>>
94%
55622
89%
**46
96%
Rottweil R 905
<<locked>>
96%
56057
90%
**02
98%
Rottweil R 907
<<locked>>
87%
55680
89%
**20
98%
SNPE Vectan SP 11
<<locked>>
84%
56028
90%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
55883
90%
**99
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
55637
89%
**67
99%
Shooters World Long Rifle
<<locked>>
88%
55753
89%
**20
100%
Somchem S355
<<locked>>
85%
55709
89%
**17
100%
Somchem S361
<<locked>>
93%
56072
90%
**13
96%
Somchem S365
<<locked>>
93%
56101
90%
**02
100%
Somchem S385
<<locked>>
95%
55912
90%
**69
99%
Vihtavuori N135
<<locked>>
86%
55825
90%
**38
100%
Vihtavuori N150
<<locked>>
90%
55593
89%
**77
100%
Vihtavuori N160
<<locked>>
88%
55956
90%
**43
100%
Vihtavuori N165
<<locked>>
97%
49110
79%
**35
97%
Vihtavuori N550
<<locked>>
87%
55753
89%
**82
100%
Vihtavuori N555 👍
<<locked>>
97%
55666
89%
**09
100%
Vihtavuori N560
<<locked>>
97%
52257
84%
**02
95%
[Vihtavuori N565]*
<<locked>>
97%
45136
72%
**48
93%
Winchester 6.5 StaBALL
<<locked>>
89%
55738
89%
**17
100%
Winchester 760
<<locked>>
86%
56028
90%
**99
99%
Winchester StaBALL HD 👍
<<locked>>
97%
43714
70%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50618
81%
**35
100%
[ADI AR 2209]*
<<locked>>
81%
36303
58%
**92
91%
[ADI AR 2213]*
<<locked>>
86%
38363
62%
**61
90%
[ADI AR 2225]*
<<locked>>
93%
31879
51%
**26
90%
Accurate 2700
<<locked>>
81%
49574
79%
**62
97%
[Accurate 3100]*
<<locked>>
81%
32996
53%
**97
94%
Accurate 4350
<<locked>>
81%
43352
70%
**53
99%
[Accurate MAGPRO]*
<<locked>>
91%
42975
69%
**99
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51706
83%
**58
100%
Alliant Reloder-16
<<locked>>
81%
41046
66%
**46
99%
Alliant Reloder-17
<<locked>>
81%
46224
74%
**71
100%
[Alliant Reloder-19]*
<<locked>>
81%
36201
58%
**98
92%
[Alliant Reloder-22]*
<<locked>>
82%
33170
53%
**56
90%
Alliant Reloder-23
<<locked>>
81%
31299
50%
**13
97%
[Alliant Reloder-25]*
<<locked>>
81%
28007
45%
**05
91%
Alliant Reloder-26
<<locked>>
81%
33315
53%
**35
96%
[Baschieri & Pellagri 109]*
<<locked>>
94%
48399
78%
**99
90%
[Bofors RP15]*
<<locked>>
84%
33286
53%
**59
90%
[Bofors RP30]*
<<locked>>
93%
35636
57%
**51
90%
[Bofors RP5]*
<<locked>>
82%
33170
53%
**56
90%
Bofors RP7
<<locked>>
81%
46470
75%
**46
97%
Hodgdon H414
<<locked>>
81%
47587
76%
**48
98%
Hodgdon H4350
<<locked>>
81%
39581
63%
**25
95%
[Hodgdon H4831]*
<<locked>>
89%
39247
63%
**48
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
38943
62%
**41
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38638
62%
**38
99%
Hodgdon LVR
<<locked>>
81%
45078
72%
**85
99%
[Hodgdon Retumbo]*
<<locked>>
93%
31879
51%
**26
90%
Hodgdon Superperformance
<<locked>>
81%
43308
69%
**95
96%
Hodgdon VARGET
<<locked>>
81%
50473
81%
**25
100%
Hodgdon TrailBoss
<<locked>>
81%
28239
45%
**60
100%
IMR 4064
<<locked>>
81%
50053
80%
**08
100%
IMR 4166 Enduron
<<locked>>
81%
48878
78%
**79
98%
IMR 4350
<<locked>>
81%
41510
67%
**67
95%
IMR 4451 Enduron
<<locked>>
81%
47079
75%
**72
97%
IMR 4831
<<locked>>
81%
37637
60%
**18
98%
[IMR 4955 Enduron]*
<<locked>>
84%
38058
61%
**85
90%
[IMR 7828 SSC]*
<<locked>>
85%
37782
61%
**64
90%
Lovex S065
<<locked>>
81%
45237
73%
**33
98%
Lovex S070
<<locked>>
81%
43758
70%
**20
97%
[Lovex S071]*
<<locked>>
81%
29022
47%
**88
92%
[Norma 204]*
<<locked>>
81%
41176
66%
**97
94%
[Norma MRP]*
<<locked>>
81%
33460
54%
**98
92%
Norma URP
<<locked>>
81%
42279
68%
**33
99%
[Ramshot Grand]*
<<locked>>
84%
37536
60%
**71
90%
Ramshot Hunter
<<locked>>
81%
40930
66%
**26
97%
[Ramshot Magnum]*
<<locked>>
83%
32111
51%
**10
90%
ReloadSwiss RS 14
<<locked>>
81%
28950
46%
**03
100%
ReloadSwiss RS 60
<<locked>>
81%
48820
78%
**27
100%
ReloadSwiss RS 62
<<locked>>
81%
42424
68%
**59
98%
ReloadSwiss RS 70
<<locked>>
81%
40799
65%
**62
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
32750
53%
**82
90%
Rottweil R 903
<<locked>>
81%
50285
81%
**28
100%
[Rottweil R 904]*
<<locked>>
81%
37463
60%
**82
91%
[Rottweil R 905]*
<<locked>>
81%
35505
57%
**85
92%
Rottweil R 907
<<locked>>
81%
46470
75%
**46
97%
SNPE Vectan SP 11
<<locked>>
81%
50589
81%
**81
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50372
81%
**17
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44585
71%
**71
97%
Shooters World Long Rifle
<<locked>>
81%
45237
73%
**33
98%
Somchem S355
<<locked>>
81%
49995
80%
**18
100%
[Somchem S361]*
<<locked>>
81%
38609
62%
**79
90%
Somchem S365
<<locked>>
81%
38899
62%
**03
100%
[Somchem S385]*
<<locked>>
81%
36230
58%
**79
93%
Vihtavuori N135
<<locked>>
81%
48733
78%
**23
100%
Vihtavuori N150
<<locked>>
81%
43265
69%
**74
100%
Vihtavuori N160
<<locked>>
81%
45063
72%
**56
99%
[Vihtavuori N165]*
<<locked>>
82%
31154
50%
**34
90%
Vihtavuori N550
<<locked>>
81%
45730
73%
**05
99%
Vihtavuori N555
<<locked>>
81%
34766
56%
**05
97%
[Vihtavuori N560]*
<<locked>>
87%
38856
62%
**07
90%
[Vihtavuori N565]*
<<locked>>
90%
37057
59%
**67
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42496
68%
**00
100%
Winchester 760
<<locked>>
81%
47587
76%
**48
98%
Winchester StaBALL HD
<<locked>>
81%
28297
45%
**10
97%

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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