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Load data for .300 Win. Mag. + .308 | 170gr | Speer FN

Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Win. Mag. + .308 | 170gr | Speer FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Speer FN
Manufacturer SKU:
2041
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.140" | 29.0mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.470" | 11.9mm
Shank Seated Depth:
0.470" | 11.9mm
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_B6163_C380
Last updated:
2025-01-01

Load data for 158 loads in caliber .300 Win. Mag. with .308 | 170gr | Speer FN bullet and 79 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
86%
55912
90%
**94
100%
ADI AR 2209
<<locked>>
97%
55637
89%
**89
98%
ADI AR 2213
<<locked>>
97%
49864
80%
**10
95%
Accurate 2700
<<locked>>
86%
55521
89%
**54
99%
Accurate 3100
<<locked>>
97%
49545
79%
**44
99%
Accurate 4064
<<locked>>
84%
55419
89%
**61
100%
Accurate 4350
<<locked>>
91%
55680
89%
**63
100%
[Accurate MAGPRO]*
<<locked>>
97%
48211
77%
**97
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
55811
89%
**10
100%
Alliant Reloder-15
<<locked>>
83%
55579
89%
**27
100%
Alliant Reloder-16 👍
<<locked>>
93%
55709
89%
**99
100%
Alliant Reloder-17
<<locked>>
88%
55259
89%
**99
100%
Alliant Reloder-19
<<locked>>
97%
55405
89%
**82
98%
Alliant Reloder-22
<<locked>>
97%
49008
79%
**07
97%
Alliant Reloder-23
<<locked>>
97%
46122
74%
**51
100%
Alliant Reloder-25
<<locked>>
97%
40248
65%
**59
98%
Alliant Reloder-26
<<locked>>
97%
52910
85%
**45
100%
Hodgdon CFE223
<<locked>>
83%
55695
89%
**56
100%
Hodgdon H380
<<locked>>
85%
56014
90%
**30
100%
Hodgdon H414
<<locked>>
88%
56101
90%
**82
99%
Hodgdon H4350
<<locked>>
95%
56057
90%
**27
99%
[Hodgdon H4831]*
<<locked>>
97%
46050
74%
**89
94%
Hodgdon H4831 SC
<<locked>>
97%
52330
84%
**97
95%
Hodgdon Hybrid 100V
<<locked>>
95%
55448
89%
**23
100%
Hodgdon LVR
<<locked>>
90%
55521
89%
**56
100%
Hodgdon Superperformance 👍
<<locked>>
90%
55535
89%
**02
99%
Hodgdon VARGET
<<locked>>
86%
55912
90%
**94
100%
Hodgdon TrailBoss
<<locked>>
97%
34954
56%
**91
100%
IMR 4064
<<locked>>
87%
56101
90%
**97
100%
IMR 4166 Enduron
<<locked>>
87%
55463
89%
**77
99%
IMR 4350
<<locked>>
93%
55854
90%
**17
99%
IMR 4451 Enduron
<<locked>>
88%
56072
90%
**07
99%
IMR 4831
<<locked>>
97%
56014
90%
**53
100%
IMR 4955 Enduron
<<locked>>
97%
51982
83%
**54
95%
IMR 7828 SSC
<<locked>>
97%
51706
83%
**56
96%
Lovex S062
<<locked>>
84%
55651
89%
**77
100%
Lovex S065
<<locked>>
90%
55405
89%
**90
100%
Lovex S070
<<locked>>
91%
55883
90%
**23
99%
Lovex S071
<<locked>>
97%
41046
66%
**80
97%
Norma 203B
<<locked>>
83%
55506
89%
**13
100%
Norma 204
<<locked>>
92%
55869
90%
**59
98%
Norma MRP
<<locked>>
97%
51663
83%
**92
99%
Norma URP
<<locked>>
92%
55405
89%
**56
100%
Ramshot Big Game
<<locked>>
83%
56101
90%
**40
100%
Ramshot Hunter 👍
<<locked>>
93%
55361
89%
**76
100%
Ramshot Magnum
<<locked>>
97%
47384
76%
**67
97%
ReloadSwiss RS 14
<<locked>>
97%
35607
57%
**34
100%
ReloadSwiss RS 50
<<locked>>
85%
55579
89%
**00
99%
ReloadSwiss RS 52
<<locked>>
83%
55898
90%
**40
100%
ReloadSwiss RS 60
<<locked>>
89%
55651
89%
**35
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
56101
90%
**92
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
55869
90%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
39465
63%
**69
95%
Rottweil R 903
<<locked>>
87%
55927
90%
**07
100%
Rottweil R 904
<<locked>>
96%
55463
89%
**23
97%
Rottweil R 905
<<locked>>
97%
54244
87%
**63
98%
Rottweil R 907
<<locked>>
89%
55579
89%
**00
99%
SNPE Vectan SP 11
<<locked>>
86%
55651
89%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56086
90%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55927
90%
**64
99%
Shooters World Long Rifle
<<locked>>
90%
55405
89%
**90
100%
Shooters World Precision
<<locked>>
84%
55651
89%
**77
100%
Somchem S355
<<locked>>
87%
55564
89%
**94
100%
Somchem S361
<<locked>>
95%
55985
90%
**94
96%
Somchem S365
<<locked>>
94%
55463
89%
**72
100%
Somchem S385
<<locked>>
97%
54926
88%
**40
99%
Vihtavuori N135
<<locked>>
88%
55622
89%
**18
100%
Vihtavuori N140
<<locked>>
83%
56028
90%
**35
100%
Vihtavuori N150
<<locked>>
92%
55970
90%
**64
100%
Vihtavuori N160
<<locked>>
89%
55506
89%
**23
100%
Vihtavuori N165
<<locked>>
97%
45919
74%
**72
97%
Vihtavuori N540
<<locked>>
83%
55709
89%
**58
100%
Vihtavuori N550
<<locked>>
89%
55506
89%
**59
100%
Vihtavuori N555
<<locked>>
97%
52040
83%
**43
100%
Vihtavuori N560
<<locked>>
97%
49197
79%
**33
95%
[Vihtavuori N565]*
<<locked>>
97%
41858
67%
**69
93%
Winchester 6.5 StaBALL
<<locked>>
91%
56086
90%
**00
100%
Winchester 760
<<locked>>
88%
56101
90%
**82
99%
Winchester StaBALL HD
<<locked>>
97%
40901
66%
**07
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48298
77%
**69
100%
[ADI AR 2209]*
<<locked>>
81%
33243
53%
**07
90%
[ADI AR 2213]*
<<locked>>
88%
37086
59%
**25
90%
Accurate 2700
<<locked>>
81%
46296
74%
**90
97%
[Accurate 3100]*
<<locked>>
81%
28689
46%
**75
92%
Accurate 4064
<<locked>>
81%
51314
82%
**95
100%
Accurate 4350
<<locked>>
81%
39131
63%
**64
98%
[Accurate MAGPRO]*
<<locked>>
93%
41568
67%
**62
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48892
78%
**95
100%
Alliant Reloder-15
<<locked>>
81%
52069
83%
**64
100%
Alliant Reloder-16
<<locked>>
81%
38072
61%
**64
98%
Alliant Reloder-17
<<locked>>
81%
43105
69%
**02
100%
[Alliant Reloder-19]*
<<locked>>
81%
33127
53%
**13
91%
[Alliant Reloder-22]*
<<locked>>
84%
32184
52%
**30
90%
Alliant Reloder-23
<<locked>>
81%
27920
45%
**15
96%
[Alliant Reloder-25]*
<<locked>>
83%
26571
43%
**62
90%
[Alliant Reloder-26]*
<<locked>>
81%
29820
48%
**16
94%
Hodgdon CFE223
<<locked>>
81%
51474
83%
**84
100%
Hodgdon H380
<<locked>>
81%
49748
80%
**22
100%
Hodgdon H414
<<locked>>
81%
44715
72%
**85
97%
[Hodgdon H4350]*
<<locked>>
81%
36970
59%
**62
94%
[Hodgdon H4831]*
<<locked>>
90%
37579
60%
**98
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
37869
61%
**02
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35418
57%
**56
99%
Hodgdon LVR
<<locked>>
81%
41901
67%
**07
98%
Hodgdon Superperformance
<<locked>>
81%
40118
64%
**17
96%
Hodgdon VARGET
<<locked>>
81%
47776
77%
**66
100%
Hodgdon TrailBoss
<<locked>>
82%
28253
45%
**50
100%
IMR 4064
<<locked>>
81%
47369
76%
**53
100%
IMR 4166 Enduron
<<locked>>
81%
46296
74%
**17
98%
IMR 4350
<<locked>>
81%
38667
62%
**02
95%
IMR 4451 Enduron
<<locked>>
81%
44527
71%
**03
97%
IMR 4831
<<locked>>
81%
33910
54%
**20
97%
[IMR 4955 Enduron]*
<<locked>>
86%
36622
59%
**46
90%
[IMR 7828 SSC]*
<<locked>>
87%
36782
59%
**28
90%
Lovex S062
<<locked>>
81%
50720
81%
**95
100%
Lovex S065
<<locked>>
81%
42192
68%
**57
98%
Lovex S070
<<locked>>
81%
40248
65%
**35
96%
[Lovex S071]*
<<locked>>
82%
25773
41%
**90
90%
Norma 203B
<<locked>>
81%
51430
82%
**51
100%
[Norma 204]*
<<locked>>
81%
38145
61%
**25
93%
[Norma MRP]*
<<locked>>
81%
30008
48%
**90
91%
Norma URP
<<locked>>
81%
38943
62%
**54
98%
Ramshot Big Game
<<locked>>
81%
51851
83%
**81
100%
Ramshot Hunter
<<locked>>
81%
37768
61%
**38
96%
[Ramshot Magnum]*
<<locked>>
86%
31720
51%
**90
90%
ReloadSwiss RS 14
<<locked>>
81%
28311
45%
**80
100%
ReloadSwiss RS 50
<<locked>>
81%
49661
80%
**05
99%
ReloadSwiss RS 52
<<locked>>
81%
51372
82%
**71
100%
ReloadSwiss RS 60
<<locked>>
81%
41800
67%
**92
100%
ReloadSwiss RS 62
<<locked>>
81%
38769
62%
**71
98%
ReloadSwiss RS 70
<<locked>>
81%
37826
61%
**80
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
31560
51%
**39
90%
Rottweil R 903
<<locked>>
81%
46267
74%
**56
100%
[Rottweil R 904]*
<<locked>>
81%
34751
56%
**10
90%
[Rottweil R 905]*
<<locked>>
81%
32068
51%
**87
90%
Rottweil R 907
<<locked>>
81%
43178
69%
**80
96%
SNPE Vectan SP 11
<<locked>>
81%
47529
76%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47703
76%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41249
66%
**02
96%
Shooters World Long Rifle
<<locked>>
81%
42192
68%
**57
98%
Shooters World Precision
<<locked>>
81%
50720
81%
**95
100%
Somchem S355
<<locked>>
81%
46673
75%
**56
100%
[Somchem S361]*
<<locked>>
83%
37521
60%
**46
90%
Somchem S365
<<locked>>
81%
35215
56%
**08
100%
[Somchem S385]*
<<locked>>
81%
32576
52%
**77
92%
Vihtavuori N135
<<locked>>
81%
45281
73%
**57
100%
Vihtavuori N140
<<locked>>
81%
52373
84%
**79
100%
Vihtavuori N150
<<locked>>
81%
40016
64%
**98
100%
Vihtavuori N160
<<locked>>
81%
41872
67%
**80
99%
[Vihtavuori N165]*
<<locked>>
84%
30284
49%
**05
90%
Vihtavuori N540
<<locked>>
81%
52141
84%
**02
100%
Vihtavuori N550
<<locked>>
81%
42670
68%
**26
99%
Vihtavuori N555
<<locked>>
81%
30647
49%
**90
96%
[Vihtavuori N560]*
<<locked>>
89%
37681
60%
**77
90%
[Vihtavuori N565]*
<<locked>>
93%
35998
58%
**31
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39378
63%
**21
100%
Winchester 760
<<locked>>
81%
44715
72%
**85
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24627
39%
**72
94%

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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