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Load data for .300 Win. Mag. + .308 | 170gr | Remington SP Core-Lokt

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555

.300 Win. Mag. + .308 | 170gr | Remington SP Core-Lokt

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Remington SP Core-Lokt
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.330" | 8.4mm
Shank Seated Depth:
0.330" | 8.4mm
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_B5171_C380
Last updated:
2025-01-01

Load data for 146 loads in caliber .300 Win. Mag. with .308 | 170gr | Remington SP Core-Lokt bullet and 73 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, 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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  • .

    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>>
85%
55521
89%
**00
100%
ADI AR 2209
<<locked>>
96%
55941
90%
**02
98%
ADI AR 2213
<<locked>>
97%
51619
83%
**56
96%
[ADI AR 2225]*
<<locked>>
97%
33562
54%
**89
93%
Accurate 2700
<<locked>>
86%
55782
89%
**67
99%
Accurate 3100
<<locked>>
97%
51459
83%
**77
99%
Accurate 4350
<<locked>>
90%
55666
89%
**66
100%
[Accurate MAGPRO]*
<<locked>>
97%
50183
80%
**46
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
55680
89%
**17
100%
Alliant Reloder-16
<<locked>>
92%
55970
90%
**22
100%
Alliant Reloder-17
<<locked>>
87%
55796
89%
**18
100%
Alliant Reloder-19
<<locked>>
96%
55854
90%
**99
98%
Alliant Reloder-22
<<locked>>
97%
50821
81%
**53
97%
Alliant Reloder-23
<<locked>>
97%
48443
78%
**00
100%
Alliant Reloder-25
<<locked>>
97%
41887
67%
**02
98%
Alliant Reloder-26 👍
<<locked>>
97%
55477
89%
**87
100%
Hodgdon H380
<<locked>>
84%
55927
90%
**30
100%
Hodgdon H414
<<locked>>
87%
56115
90%
**92
99%
Hodgdon H4350
<<locked>>
93%
55521
89%
**27
99%
[Hodgdon H4831]*
<<locked>>
97%
47964
77%
**28
94%
Hodgdon H4831 SC
<<locked>>
97%
54186
87%
**43
96%
Hodgdon Hybrid 100V
<<locked>>
93%
55376
89%
**27
100%
Hodgdon LVR
<<locked>>
89%
55550
89%
**69
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33562
54%
**89
93%
Hodgdon Superperformance
<<locked>>
89%
55637
89%
**12
99%
Hodgdon VARGET
<<locked>>
85%
55883
90%
**10
100%
Hodgdon TrailBoss
<<locked>>
96%
34722
56%
**01
100%
IMR 4064
<<locked>>
86%
55941
90%
**97
100%
IMR 4166 Enduron
<<locked>>
86%
55651
89%
**90
99%
IMR 4350
<<locked>>
91%
55521
89%
**23
99%
IMR 4451 Enduron
<<locked>>
87%
56101
90%
**23
99%
IMR 4831
<<locked>>
96%
55970
90%
**59
100%
IMR 4955 Enduron
<<locked>>
97%
53708
86%
**00
96%
IMR 7828 SSC
<<locked>>
97%
53476
86%
**02
97%
Lovex S062
<<locked>>
83%
55840
90%
**87
100%
Lovex S065
<<locked>>
89%
55869
90%
**07
100%
Lovex S070
<<locked>>
90%
55361
89%
**27
99%
Lovex S071
<<locked>>
97%
42554
68%
**20
98%
Norma 204
<<locked>>
91%
55506
89%
**72
98%
Norma MRP
<<locked>>
97%
53969
87%
**35
99%
Norma URP
<<locked>>
91%
55724
89%
**76
100%
Ramshot Hunter 👍
<<locked>>
92%
56101
90%
**95
100%
Ramshot Magnum
<<locked>>
97%
49298
79%
**04
98%
ReloadSwiss RS 14
<<locked>>
96%
35360
57%
**44
100%
ReloadSwiss RS 50
<<locked>>
84%
55564
89%
**13
100%
ReloadSwiss RS 60
<<locked>>
88%
55927
90%
**38
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
56115
90%
**95
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
55579
89%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
40915
66%
**25
96%
Rottweil R 903
<<locked>>
86%
55941
90%
**10
100%
Rottweil R 904
<<locked>>
95%
55608
89%
**33
97%
Rottweil R 905
<<locked>>
96%
55492
89%
**82
98%
Rottweil R 907
<<locked>>
88%
55883
90%
**17
99%
SNPE Vectan SP 11
<<locked>>
85%
55738
89%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
55738
89%
**89
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
55724
89%
**74
99%
Shooters World Long Rifle
<<locked>>
89%
55869
90%
**07
100%
Shooters World Precision
<<locked>>
83%
55840
90%
**87
100%
Somchem S355
<<locked>>
86%
55970
90%
**10
100%
Somchem S361
<<locked>>
94%
56043
90%
**10
96%
Somchem S365
<<locked>>
93%
55521
89%
**76
100%
Somchem S385
<<locked>>
96%
55274
89%
**49
99%
Vihtavuori N135
<<locked>>
87%
55448
89%
**15
100%
Vihtavuori N150
<<locked>>
91%
55651
89%
**64
100%
Vihtavuori N160
<<locked>>
88%
55564
89%
**23
100%
Vihtavuori N165
<<locked>>
97%
47979
77%
**08
97%
Vihtavuori N550
<<locked>>
88%
56130
90%
**82
100%
Vihtavuori N555 👍
<<locked>>
97%
54215
87%
**76
100%
Vihtavuori N560
<<locked>>
97%
51547
83%
**79
96%
[Vihtavuori N565]*
<<locked>>
97%
43439
70%
**12
94%
Winchester 6.5 StaBALL
<<locked>>
90%
55593
89%
**04
100%
Winchester 760
<<locked>>
87%
56115
90%
**92
99%
Winchester StaBALL HD
<<locked>>
97%
43323
69%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49603
80%
**02
100%
[ADI AR 2209]*
<<locked>>
81%
34432
55%
**49
91%
[ADI AR 2213]*
<<locked>>
86%
36216
58%
**12
90%
[ADI AR 2225]*
<<locked>>
94%
30385
49%
**90
90%
Accurate 2700
<<locked>>
81%
47950
77%
**33
97%
[Accurate 3100]*
<<locked>>
81%
29878
48%
**18
93%
Accurate 4350
<<locked>>
81%
40640
65%
**00
99%
[Accurate MAGPRO]*
<<locked>>
91%
40683
65%
**53
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50125
80%
**25
100%
Alliant Reloder-16
<<locked>>
81%
39189
63%
**00
99%
Alliant Reloder-17
<<locked>>
81%
44889
72%
**41
100%
[Alliant Reloder-19]*
<<locked>>
81%
34229
55%
**49
92%
[Alliant Reloder-22]*
<<locked>>
83%
31647
51%
**20
90%
Alliant Reloder-23
<<locked>>
81%
28892
46%
**48
97%
[Alliant Reloder-25]*
<<locked>>
82%
26194
42%
**52
90%
Alliant Reloder-26
<<locked>>
81%
31009
50%
**66
95%
Hodgdon H380
<<locked>>
81%
51285
82%
**61
100%
Hodgdon H414
<<locked>>
81%
46209
74%
**15
98%
Hodgdon H4350
<<locked>>
81%
37971
61%
**85
95%
[Hodgdon H4831]*
<<locked>>
89%
37550
60%
**12
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
37550
60%
**12
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36999
59%
**02
99%
Hodgdon LVR
<<locked>>
81%
43453
70%
**53
99%
[Hodgdon Retumbo]*
<<locked>>
94%
30385
49%
**90
90%
Hodgdon Superperformance
<<locked>>
81%
41539
67%
**53
96%
Hodgdon VARGET
<<locked>>
81%
49153
79%
**99
100%
Hodgdon TrailBoss
<<locked>>
81%
27731
44%
**50
100%
IMR 4064
<<locked>>
81%
48689
78%
**76
100%
IMR 4166 Enduron
<<locked>>
81%
47863
77%
**56
98%
IMR 4350
<<locked>>
81%
40016
64%
**38
96%
IMR 4451 Enduron
<<locked>>
81%
45948
74%
**40
98%
IMR 4831
<<locked>>
81%
35476
57%
**69
98%
[IMR 4955 Enduron]*
<<locked>>
84%
36318
58%
**49
90%
[IMR 7828 SSC]*
<<locked>>
86%
36419
58%
**35
90%
Lovex S062
<<locked>>
81%
52475
84%
**38
100%
Lovex S065
<<locked>>
81%
43381
70%
**90
98%
Lovex S070
<<locked>>
81%
41510
67%
**71
97%
[Lovex S071]*
<<locked>>
81%
25759
41%
**90
90%
[Norma 204]*
<<locked>>
81%
39392
63%
**57
94%
[Norma MRP]*
<<locked>>
81%
31299
50%
**30
92%
Norma URP
<<locked>>
81%
40074
64%
**87
99%
Ramshot Hunter
<<locked>>
81%
39088
63%
**77
97%
[Ramshot Magnum]*
<<locked>>
84%
31082
50%
**87
90%
ReloadSwiss RS 14
<<locked>>
81%
28384
46%
**90
100%
ReloadSwiss RS 50
<<locked>>
81%
50995
82%
**38
99%
ReloadSwiss RS 60
<<locked>>
81%
43337
69%
**28
100%
ReloadSwiss RS 62
<<locked>>
81%
40408
65%
**17
98%
ReloadSwiss RS 70
<<locked>>
81%
38943
62%
**20
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
30835
49%
**30
90%
Rottweil R 903
<<locked>>
81%
47747
77%
**89
100%
[Rottweil R 904]*
<<locked>>
81%
35665
57%
**33
91%
[Rottweil R 905]*
<<locked>>
81%
33272
53%
**26
91%
Rottweil R 907
<<locked>>
81%
44469
71%
**07
97%
SNPE Vectan SP 11
<<locked>>
81%
49153
79%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48965
79%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42569
68%
**38
97%
Shooters World Long Rifle
<<locked>>
81%
43381
70%
**90
98%
Shooters World Precision
<<locked>>
81%
52475
84%
**38
100%
Somchem S355
<<locked>>
81%
48008
77%
**85
100%
[Somchem S361]*
<<locked>>
81%
36709
59%
**36
90%
Somchem S365
<<locked>>
81%
36680
59%
**44
100%
[Somchem S385]*
<<locked>>
81%
33837
54%
**13
93%
Vihtavuori N135
<<locked>>
81%
46731
75%
**94
100%
Vihtavuori N150
<<locked>>
81%
41249
66%
**25
100%
Vihtavuori N160
<<locked>>
81%
43308
69%
**20
99%
[Vihtavuori N165]*
<<locked>>
83%
29849
48%
**98
90%
Vihtavuori N550
<<locked>>
81%
44121
71%
**69
99%
Vihtavuori N555
<<locked>>
81%
32155
52%
**36
97%
[Vihtavuori N560]*
<<locked>>
87%
36912
59%
**67
90%
[Vihtavuori N565]*
<<locked>>
91%
35578
57%
**31
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40828
65%
**54
100%
Winchester 760
<<locked>>
81%
46209
74%
**15
98%
Winchester StaBALL HD
<<locked>>
81%
25498
41%
**15
95%

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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