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Load data for .300 Win. Mag. + .308 | 180gr | Speer RN

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Recommended Powder(s):

.300 Win. Mag. + .308 | 180gr | Speer RN

Load Specifications

Bullet:
.308 | 180gr | Speer RN
Manufacturer SKU:
2047
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.100" | 27.9mm
Caliber:
.300 Win. Mag.
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.430" | 10.9mm
Shank Seated Depth:
0.430" | 10.9mm
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_B6169_C380

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 142 loads in caliber .300 Win. Mag. with .308 | 180gr | Speer RN bullet and 71 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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    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.

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%
55941
90%
**22
100%
ADI AR 2209
<<locked>>
95%
55651
89%
**13
99%
ADI AR 2213
<<locked>>
97%
52736
85%
**04
97%
[ADI AR 2217]*
<<locked>>
97%
38827
62%
**02
92%
[ADI AR 2225]*
<<locked>>
97%
34301
55%
**49
94%
Accurate 2700
<<locked>>
85%
55927
90%
**89
99%
Accurate 3100
<<locked>>
97%
52649
84%
**18
100%
Accurate 4350
<<locked>>
90%
55883
90%
**87
100%
Accurate MAGPRO
<<locked>>
97%
51387
82%
**94
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
56057
90%
**35
100%
Alliant Reloder-16
<<locked>>
91%
55564
89%
**30
100%
Alliant Reloder-17
<<locked>>
86%
55579
89%
**27
100%
Alliant Reloder-19
<<locked>>
95%
55680
89%
**10
99%
Alliant Reloder-22
<<locked>>
97%
52054
83%
**97
98%
Alliant Reloder-23
<<locked>>
97%
49516
79%
**35
100%
Alliant Reloder-25
<<locked>>
97%
42786
69%
**59
99%
Alliant Reloder-26 👍
<<locked>>
96%
55782
89%
**09
100%
[Hodgdon H1000]*
<<locked>>
97%
38827
62%
**02
92%
Hodgdon H414
<<locked>>
86%
55477
89%
**00
99%
Hodgdon H4350
<<locked>>
93%
55680
89%
**51
99%
Hodgdon H4831
<<locked>>
97%
49095
79%
**76
95%
Hodgdon H4831 SC
<<locked>>
97%
55361
89%
**87
97%
Hodgdon Hybrid 100V
<<locked>>
93%
55550
89%
**48
100%
Hodgdon LVR
<<locked>>
88%
55593
89%
**87
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34301
55%
**49
94%
Hodgdon Superperformance
<<locked>>
88%
55782
89%
**36
99%
Hodgdon VARGET
<<locked>>
84%
55593
89%
**18
100%
Hodgdon TrailBoss
<<locked>>
96%
34998
56%
**49
100%
IMR 4064
<<locked>>
85%
55898
90%
**12
100%
IMR 4166 Enduron
<<locked>>
86%
55883
90%
**12
99%
IMR 4350
<<locked>>
91%
55680
89%
**51
99%
IMR 4451 Enduron
<<locked>>
87%
55912
90%
**41
99%
IMR 4831 👍
<<locked>>
95%
55579
89%
**71
100%
IMR 4955 Enduron
<<locked>>
97%
54549
87%
**35
97%
IMR 7828 SSC
<<locked>>
97%
54795
88%
**53
98%
Lovex S065
<<locked>>
88%
55709
89%
**31
100%
Lovex S070
<<locked>>
90%
55347
89%
**48
100%
Lovex S071
<<locked>>
97%
43990
71%
**74
99%
Norma 204
<<locked>>
90%
55854
90%
**94
98%
Norma MRP
<<locked>>
97%
55767
89%
**82
100%
Norma URP
<<locked>>
90%
55854
90%
**84
100%
Ramshot Hunter 👍
<<locked>>
91%
55535
89%
**10
100%
Ramshot Magnum
<<locked>>
97%
51213
82%
**71
99%
ReloadSwiss RS 14
<<locked>>
96%
35723
57%
**91
100%
ReloadSwiss RS 60
<<locked>>
88%
55782
89%
**49
100%
ReloadSwiss RS 62
<<locked>>
90%
55825
90%
**10
100%
ReloadSwiss RS 70
<<locked>>
91%
56057
90%
**59
100%
ReloadSwiss RS 76
<<locked>>
97%
41785
67%
**79
97%
Rottweil R 903
<<locked>>
85%
55608
89%
**28
100%
Rottweil R 904
<<locked>>
94%
55898
90%
**64
98%
Rottweil R 905
<<locked>>
96%
55854
90%
**17
99%
Rottweil R 907
<<locked>>
88%
55666
89%
**31
99%
SNPE Vectan SP 11
<<locked>>
84%
55724
89%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
55985
90%
**03
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
55608
89%
**92
99%
Shooters World Long Rifle
<<locked>>
88%
55709
89%
**31
100%
Somchem S355
<<locked>>
85%
55753
89%
**25
100%
Somchem S361
<<locked>>
93%
55724
89%
**28
97%
Somchem S365
<<locked>>
93%
55927
90%
**00
100%
Somchem S385
<<locked>>
95%
55840
90%
**77
99%
Vihtavuori N135
<<locked>>
86%
55796
89%
**36
100%
Vihtavuori N150
<<locked>>
90%
55535
89%
**85
100%
Vihtavuori N160
<<locked>>
88%
55680
89%
**44
100%
Vihtavuori N165
<<locked>>
97%
48979
79%
**59
98%
Vihtavuori N550
<<locked>>
88%
55898
90%
**90
100%
Vihtavuori N555 👍
<<locked>>
97%
55376
89%
**10
100%
Vihtavuori N560
<<locked>>
97%
52663
84%
**30
97%
Vihtavuori N565
<<locked>>
97%
44686
72%
**69
95%
Winchester 6.5 StaBALL
<<locked>>
89%
55622
89%
**22
100%
Winchester 760
<<locked>>
86%
55477
89%
**00
99%
Winchester StaBALL HD 👍
<<locked>>
97%
45078
72%
**97
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50430
81%
**43
100%
[ADI AR 2209]*
<<locked>>
81%
35215
56%
**10
93%
[ADI AR 2213]*
<<locked>>
84%
34824
56%
**16
90%
[ADI AR 2217]*
<<locked>>
94%
34998
56%
**07
90%
[ADI AR 2225]*
<<locked>>
92%
29109
47%
**92
90%
Accurate 2700
<<locked>>
81%
48631
78%
**74
98%
[Accurate 3100]*
<<locked>>
81%
30734
49%
**75
94%
Accurate 4350
<<locked>>
81%
41713
67%
**48
99%
[Accurate MAGPRO]*
<<locked>>
89%
39204
63%
**51
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51082
82%
**66
100%
Alliant Reloder-16
<<locked>>
81%
40132
64%
**44
99%
Alliant Reloder-17
<<locked>>
81%
45919
74%
**76
100%
[Alliant Reloder-19]*
<<locked>>
81%
35041
56%
**00
93%
[Alliant Reloder-22]*
<<locked>>
81%
30879
50%
**28
90%
Alliant Reloder-23
<<locked>>
81%
29660
48%
**11
98%
[Alliant Reloder-25]*
<<locked>>
81%
26121
42%
**93
91%
Alliant Reloder-26
<<locked>>
81%
31923
51%
**23
96%
[Hodgdon H1000]*
<<locked>>
94%
34998
56%
**07
90%
Hodgdon H414
<<locked>>
81%
47398
76%
**62
98%
Hodgdon H4350
<<locked>>
81%
38725
62%
**39
96%
[Hodgdon H4831]*
<<locked>>
87%
35447
57%
**93
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35447
57%
**93
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37855
61%
**43
100%
Hodgdon LVR
<<locked>>
81%
44353
71%
**94
99%
[Hodgdon Retumbo]*
<<locked>>
92%
29109
47%
**92
90%
Hodgdon Superperformance
<<locked>>
81%
42525
68%
**03
97%
Hodgdon VARGET
<<locked>>
81%
50111
80%
**30
100%
Hodgdon TrailBoss
<<locked>>
86%
29965
48%
**44
100%
IMR 4064
<<locked>>
81%
49632
80%
**13
100%
IMR 4166 Enduron
<<locked>>
81%
48573
78%
**97
99%
IMR 4350
<<locked>>
81%
40872
66%
**82
96%
IMR 4451 Enduron
<<locked>>
81%
46804
75%
**87
98%
IMR 4831
<<locked>>
81%
36216
58%
**10
98%
[IMR 4955 Enduron]*
<<locked>>
82%
34853
56%
**38
90%
[IMR 7828 SSC]*
<<locked>>
83%
34229
55%
**13
90%
Lovex S065
<<locked>>
81%
44193
71%
**31
99%
Lovex S070
<<locked>>
81%
42366
68%
**12
97%
[Lovex S071]*
<<locked>>
81%
26339
42%
**54
92%
Norma 204
<<locked>>
81%
40451
65%
**12
95%
[Norma MRP]*
<<locked>>
81%
31995
51%
**90
93%
Norma URP
<<locked>>
81%
41017
66%
**28
99%
Ramshot Hunter
<<locked>>
81%
40045
64%
**28
98%
[Ramshot Magnum]*
<<locked>>
82%
29457
47%
**75
90%
ReloadSwiss RS 14
<<locked>>
82%
29022
47%
**50
100%
ReloadSwiss RS 60
<<locked>>
81%
44309
71%
**66
100%
ReloadSwiss RS 62
<<locked>>
81%
41423
66%
**64
99%
ReloadSwiss RS 70
<<locked>>
81%
40016
64%
**74
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
29428
47%
**28
90%
Rottweil R 903
<<locked>>
81%
48776
78%
**23
100%
[Rottweil R 904]*
<<locked>>
81%
36448
58%
**90
92%
[Rottweil R 905]*
<<locked>>
81%
34127
55%
**90
93%
Rottweil R 907
<<locked>>
81%
45281
73%
**54
98%
SNPE Vectan SP 11
<<locked>>
81%
50111
80%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49676
80%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43468
70%
**82
98%
Shooters World Long Rifle
<<locked>>
81%
44193
71%
**31
99%
Somchem S355
<<locked>>
81%
48936
78%
**20
100%
[Somchem S361]*
<<locked>>
81%
37231
60%
**80
91%
Somchem S365
<<locked>>
81%
37724
60%
**92
100%
[Somchem S385]*
<<locked>>
81%
34737
56%
**77
94%
Vihtavuori N135
<<locked>>
81%
47471
76%
**21
100%
Vihtavuori N150
<<locked>>
81%
41945
67%
**66
100%
Vihtavuori N160
<<locked>>
81%
44411
71%
**67
100%
[Vihtavuori N165]*
<<locked>>
81%
28993
46%
**16
90%
Vihtavuori N550
<<locked>>
81%
44788
72%
**07
99%
Vihtavuori N555
<<locked>>
81%
33040
53%
**87
98%
[Vihtavuori N560]*
<<locked>>
85%
35273
57%
**56
90%
[Vihtavuori N565]*
<<locked>>
89%
34040
55%
**30
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41626
67%
**02
100%
Winchester 760
<<locked>>
81%
47398
76%
**62
98%
Winchester StaBALL HD
<<locked>>
81%
23728
38%
**95
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.

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