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Load data for .300 Win. Mag. + .308 | 170gr | Hornady InterLock FP

Recommended Powder(s): Accurate 4350, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Win. Mag. + .308 | 170gr | Hornady InterLock FP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Hornady InterLock FP
Manufacturer SKU:
3060
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.095" | 27.8mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.425" | 10.8mm
Shank Seated Depth:
0.425" | 10.8mm
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_B2688_C380
Last updated:
2025-02-02

Load data for 148 loads in caliber .300 Win. Mag. with .308 | 170gr | Hornady InterLock FP bullet and 74 powders such as Accurate 4350, Norma URP, 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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  • .

    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%
55463
89%
**90
100%
ADI AR 2209
<<locked>>
96%
55825
90%
**92
98%
ADI AR 2213
<<locked>>
97%
50473
81%
**20
95%
Accurate 2700
<<locked>>
86%
55550
89%
**54
99%
Accurate 3100
<<locked>>
97%
49864
80%
**51
99%
Accurate 4064
<<locked>>
84%
56057
90%
**67
100%
Accurate 4350 👍
<<locked>>
91%
55317
89%
**56
100%
[Accurate MAGPRO]*
<<locked>>
97%
49269
79%
**20
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
55637
89%
**10
100%
Alliant Reloder-15
<<locked>>
83%
56014
90%
**30
100%
Alliant Reloder-16
<<locked>>
93%
56043
90%
**09
100%
Alliant Reloder-17
<<locked>>
88%
55376
89%
**05
100%
Alliant Reloder-19
<<locked>>
97%
55753
89%
**89
98%
Alliant Reloder-22
<<locked>>
97%
49676
80%
**30
97%
Alliant Reloder-23
<<locked>>
97%
47181
76%
**74
100%
Alliant Reloder-25
<<locked>>
97%
41234
66%
**89
98%
Alliant Reloder-26
<<locked>>
97%
53780
86%
**58
100%
Hodgdon H380
<<locked>>
84%
55767
89%
**27
100%
Hodgdon H414
<<locked>>
87%
55796
89%
**79
99%
Hodgdon H4350
<<locked>>
94%
55738
89%
**27
99%
[Hodgdon H4831]*
<<locked>>
97%
46862
75%
**02
94%
Hodgdon H4831 SC
<<locked>>
97%
52968
85%
**20
96%
Hodgdon Hybrid 100V
<<locked>>
94%
55927
90%
**33
100%
Hodgdon LVR
<<locked>>
89%
55869
90%
**66
100%
Hodgdon Superperformance
<<locked>>
89%
55521
89%
**05
99%
Hodgdon VARGET
<<locked>>
86%
55463
89%
**90
100%
Hodgdon TrailBoss
<<locked>>
97%
35099
56%
**98
100%
IMR 4064
<<locked>>
86%
55941
90%
**87
100%
IMR 4166 Enduron
<<locked>>
87%
55840
90%
**90
99%
IMR 4350
<<locked>>
92%
56101
90%
**27
99%
IMR 4451 Enduron
<<locked>>
88%
55840
90%
**07
99%
IMR 4831
<<locked>>
96%
55680
89%
**46
100%
IMR 4955 Enduron
<<locked>>
97%
52286
84%
**64
96%
IMR 7828 SSC
<<locked>>
97%
51953
83%
**63
96%
Lovex S062
<<locked>>
84%
56101
90%
**81
100%
Lovex S065
<<locked>>
90%
55709
89%
**00
100%
Lovex S070
<<locked>>
91%
55564
89%
**20
99%
Lovex S071
<<locked>>
97%
41989
67%
**07
98%
Norma 203B
<<locked>>
83%
55941
90%
**27
100%
Norma 204
<<locked>>
92%
56057
90%
**63
98%
Norma MRP
<<locked>>
97%
52315
84%
**12
99%
Norma URP 👍
<<locked>>
92%
55724
89%
**63
100%
Ramshot Hunter 👍
<<locked>>
92%
55912
90%
**89
100%
Ramshot Magnum
<<locked>>
97%
47863
77%
**71
97%
ReloadSwiss RS 14
<<locked>>
96%
35447
57%
**34
100%
ReloadSwiss RS 50
<<locked>>
84%
56043
90%
**10
99%
ReloadSwiss RS 60
<<locked>>
89%
55579
89%
**28
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
55724
89%
**86
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
56043
90%
**45
100%
ReloadSwiss RS 76
<<locked>>
97%
39871
64%
**89
96%
Rottweil R 903
<<locked>>
86%
55651
89%
**04
100%
Rottweil R 904
<<locked>>
95%
55956
90%
**36
97%
Rottweil R 905
<<locked>>
97%
55376
89%
**76
98%
Rottweil R 907
<<locked>>
89%
55883
90%
**10
99%
SNPE Vectan SP 11
<<locked>>
86%
55999
90%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
55622
89%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55593
89%
**61
99%
Shooters World Long Rifle
<<locked>>
90%
55709
89%
**00
100%
Shooters World Precision
<<locked>>
84%
56101
90%
**81
100%
Somchem S355
<<locked>>
86%
55956
90%
**04
100%
Somchem S361
<<locked>>
94%
55506
89%
**97
96%
Somchem S365
<<locked>>
94%
55927
90%
**82
100%
Somchem S385
<<locked>>
97%
55608
89%
**46
99%
Vihtavuori N135
<<locked>>
87%
55216
89%
**15
100%
Vihtavuori N150
<<locked>>
91%
55709
89%
**61
100%
Vihtavuori N160
<<locked>>
89%
56115
90%
**27
100%
Vihtavuori N165
<<locked>>
97%
46238
74%
**79
97%
Vihtavuori N550
<<locked>>
89%
55956
90%
**72
100%
Vihtavuori N555
<<locked>>
97%
52286
84%
**46
100%
Vihtavuori N560
<<locked>>
97%
50009
80%
**53
95%
[Vihtavuori N565]*
<<locked>>
97%
42264
68%
**79
93%
Winchester 6.5 StaBALL
<<locked>>
91%
56043
90%
**07
100%
Winchester 760
<<locked>>
87%
55796
89%
**79
99%
Winchester StaBALL HD
<<locked>>
97%
41510
67%
**13
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48747
78%
**85
100%
[ADI AR 2209]*
<<locked>>
81%
33663
54%
**26
91%
[ADI AR 2213]*
<<locked>>
87%
36738
59%
**18
90%
Accurate 2700
<<locked>>
81%
47065
75%
**10
97%
[Accurate 3100]*
<<locked>>
81%
29022
47%
**92
92%
Accurate 4064
<<locked>>
81%
51837
83%
**08
100%
Accurate 4350
<<locked>>
81%
39566
63%
**67
98%
[Accurate MAGPRO]*
<<locked>>
92%
41220
66%
**53
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49327
79%
**12
100%
Alliant Reloder-15
<<locked>>
81%
52533
84%
**77
100%
Alliant Reloder-16
<<locked>>
81%
38479
62%
**84
99%
Alliant Reloder-17
<<locked>>
81%
43816
70%
**15
100%
[Alliant Reloder-19]*
<<locked>>
81%
33446
54%
**20
91%
[Alliant Reloder-22]*
<<locked>>
83%
31894
51%
**23
90%
Alliant Reloder-23
<<locked>>
81%
28253
45%
**25
96%
[Alliant Reloder-25]*
<<locked>>
83%
26556
43%
**59
90%
[Alliant Reloder-26]*
<<locked>>
81%
30066
48%
**30
94%
Hodgdon H380
<<locked>>
81%
50154
80%
**35
100%
Hodgdon H414
<<locked>>
81%
45208
72%
**89
97%
[Hodgdon H4350]*
<<locked>>
81%
37347
60%
**69
94%
[Hodgdon H4831]*
<<locked>>
90%
37826
61%
**08
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
37826
61%
**08
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35853
57%
**66
99%
Hodgdon LVR
<<locked>>
81%
42322
68%
**23
98%
Hodgdon Superperformance
<<locked>>
81%
40654
65%
**33
96%
Hodgdon VARGET
<<locked>>
81%
48225
77%
**72
100%
Hodgdon TrailBoss
<<locked>>
81%
27891
45%
**47
100%
IMR 4064
<<locked>>
81%
47848
77%
**59
100%
IMR 4166 Enduron
<<locked>>
81%
46717
75%
**33
98%
IMR 4350
<<locked>>
81%
39030
63%
**08
95%
IMR 4451 Enduron
<<locked>>
81%
44904
72%
**20
97%
IMR 4831
<<locked>>
81%
34345
55%
**39
97%
[IMR 4955 Enduron]*
<<locked>>
85%
36390
58%
**39
90%
[IMR 7828 SSC]*
<<locked>>
87%
36680
59%
**35
90%
Lovex S062
<<locked>>
81%
51198
82%
**08
100%
Lovex S065
<<locked>>
81%
42598
68%
**74
98%
Lovex S070
<<locked>>
81%
40640
65%
**48
96%
[Lovex S071]*
<<locked>>
82%
25773
41%
**90
90%
Norma 203B
<<locked>>
81%
51880
83%
**64
100%
[Norma 204]*
<<locked>>
81%
38479
62%
**28
93%
[Norma MRP]*
<<locked>>
81%
30530
49%
**10
91%
Norma URP
<<locked>>
81%
39378
63%
**71
98%
Ramshot Hunter
<<locked>>
81%
38116
61%
**51
96%
[Ramshot Magnum]*
<<locked>>
85%
31285
50%
**87
90%
ReloadSwiss RS 14
<<locked>>
81%
28282
45%
**80
100%
ReloadSwiss RS 50
<<locked>>
81%
50009
80%
**15
99%
ReloadSwiss RS 60
<<locked>>
81%
42337
68%
**05
100%
ReloadSwiss RS 62
<<locked>>
81%
39392
63%
**90
98%
ReloadSwiss RS 70
<<locked>>
81%
38116
61%
**94
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
31227
50%
**36
90%
Rottweil R 903
<<locked>>
81%
46731
75%
**59
100%
[Rottweil R 904]*
<<locked>>
81%
35099
56%
**16
90%
[Rottweil R 905]*
<<locked>>
81%
32416
52%
**03
91%
Rottweil R 907
<<locked>>
81%
43584
70%
**87
96%
SNPE Vectan SP 11
<<locked>>
81%
48051
77%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48167
77%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41626
67%
**08
97%
Shooters World Long Rifle
<<locked>>
81%
42598
68%
**74
98%
Shooters World Precision
<<locked>>
81%
51198
82%
**08
100%
Somchem S355
<<locked>>
81%
47137
76%
**59
100%
[Somchem S361]*
<<locked>>
82%
36912
59%
**36
90%
Somchem S365
<<locked>>
81%
35650
57%
**15
100%
[Somchem S385]*
<<locked>>
81%
33083
53%
**93
92%
Vihtavuori N135
<<locked>>
81%
45730
73%
**71
100%
Vihtavuori N150
<<locked>>
81%
40364
65%
**02
100%
Vihtavuori N160
<<locked>>
81%
42380
68%
**97
99%
[Vihtavuori N165]*
<<locked>>
83%
30168
48%
**02
90%
Vihtavuori N550
<<locked>>
81%
43062
69%
**40
99%
Vihtavuori N555
<<locked>>
81%
31067
50%
**97
96%
[Vihtavuori N560]*
<<locked>>
88%
37043
59%
**67
90%
[Vihtavuori N565]*
<<locked>>
92%
35839
57%
**35
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40045
64%
**38
100%
Winchester 760
<<locked>>
81%
45208
72%
**89
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24845
40%
**79
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.

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