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Load data for .300 Win. Mag. + .308 | 150gr | Hornady InterLock RN

Recommended Powder(s): Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N550

.300 Win. Mag. + .308 | 150gr | Hornady InterLock RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Hornady InterLock RN
Manufacturer SKU:
3035
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.905" | 23.0mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.235" | 6.0mm
Shank Seated Depth:
0.235" | 6.0mm
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_B2670_C380
Last updated:
2025-01-01

Load data for 160 loads in caliber .300 Win. Mag. with .308 | 150gr | Hornady InterLock RN bullet and 80 powders such as Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N550. 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>>
87%
55927
90%
**77
100%
ADI AR 2209
<<locked>>
97%
54070
87%
**20
97%
[ADI AR 2213]*
<<locked>>
97%
47964
77%
**35
93%
Accurate 2700
<<locked>>
88%
55985
90%
**31
98%
Accurate 3100
<<locked>>
97%
46731
75%
**49
98%
Accurate 4064
<<locked>>
85%
55506
89%
**45
100%
Accurate 4350
<<locked>>
92%
55347
89%
**30
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
56014
90%
**94
100%
Alliant Reloder-15
<<locked>>
84%
55564
89%
**00
100%
Alliant Reloder-16 👍
<<locked>>
94%
55941
90%
**89
100%
Alliant Reloder-17
<<locked>>
90%
56028
90%
**99
100%
Alliant Reloder-19
<<locked>>
97%
52707
85%
**00
96%
Alliant Reloder-22
<<locked>>
97%
46891
75%
**35
95%
Alliant Reloder-23
<<locked>>
97%
44295
71%
**86
100%
Alliant Reloder-25
<<locked>>
97%
38885
62%
**81
96%
Alliant Reloder-26
<<locked>>
97%
50560
81%
**73
99%
Hodgdon CFE223
<<locked>>
85%
55912
90%
**33
100%
Hodgdon H380
<<locked>>
86%
55593
89%
**97
100%
Hodgdon H414
<<locked>>
89%
56086
90%
**59
99%
Hodgdon H4350
<<locked>>
96%
55999
90%
**94
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
50314
81%
**28
93%
Hodgdon Hybrid 100V
<<locked>>
96%
55434
89%
**97
100%
Hodgdon LVR
<<locked>>
91%
55463
89%
**36
100%
Hodgdon Superperformance
<<locked>>
91%
55840
90%
**86
98%
Hodgdon VARGET
<<locked>>
87%
55579
89%
**77
100%
Hodgdon TrailBoss
<<locked>>
97%
34809
56%
**26
100%
IMR 3031
<<locked>>
84%
56028
90%
**71
100%
IMR 4064
<<locked>>
88%
55651
89%
**64
100%
IMR 4166 Enduron
<<locked>>
88%
56014
90%
**58
98%
IMR 4350
<<locked>>
94%
56014
90%
**94
98%
IMR 4451 Enduron
<<locked>>
89%
55854
90%
**81
98%
IMR 4831
<<locked>>
97%
53925
86%
**97
100%
IMR 4895
<<locked>>
83%
55680
89%
**14
100%
[IMR 4955 Enduron]*
<<locked>>
97%
50111
80%
**89
94%
[IMR 7828 SSC]*
<<locked>>
97%
49574
79%
**77
94%
Lovex S062
<<locked>>
85%
55593
89%
**51
100%
Lovex S065
<<locked>>
91%
55637
89%
**77
99%
Lovex S070
<<locked>>
92%
55390
89%
**97
99%
Lovex S071
<<locked>>
97%
38972
62%
**92
96%
Norma 203B
<<locked>>
85%
55434
89%
**00
100%
Norma 204
<<locked>>
93%
55941
90%
**33
97%
Norma MRP
<<locked>>
97%
49458
79%
**23
97%
Norma URP 👍
<<locked>>
93%
55535
89%
**43
100%
Ramshot Big Game
<<locked>>
84%
55956
90%
**17
100%
Ramshot Hunter
<<locked>>
94%
55419
89%
**56
99%
Ramshot Magnum
<<locked>>
97%
45353
73%
**69
95%
ReloadSwiss RS 14
<<locked>>
97%
35331
57%
**69
100%
ReloadSwiss RS 50
<<locked>>
86%
55912
90%
**84
99%
ReloadSwiss RS 52
<<locked>>
85%
56043
90%
**27
100%
ReloadSwiss RS 60
<<locked>>
91%
56115
90%
**28
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
56057
90%
**59
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
55912
90%
**22
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37536
60%
**48
92%
Rottweil R 902
<<locked>>
84%
55680
89%
**45
100%
Rottweil R 903
<<locked>>
88%
55912
90%
**87
100%
Rottweil R 904
<<locked>>
97%
55521
89%
**94
96%
Rottweil R 905
<<locked>>
97%
51721
83%
**77
96%
Rottweil R 907
<<locked>>
90%
55608
89%
**77
98%
SNPE Vectan SP 11
<<locked>>
87%
55709
89%
**27
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
55651
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
55840
90%
**31
98%
Shooters World Long Rifle
<<locked>>
91%
55637
89%
**77
99%
Shooters World Precision
<<locked>>
85%
55593
89%
**51
100%
Somchem S355
<<locked>>
88%
55927
90%
**84
100%
Somchem S361
<<locked>>
96%
55985
90%
**54
95%
Somchem S365
<<locked>>
96%
55883
90%
**56
100%
Somchem S385
<<locked>>
97%
52736
85%
**64
97%
Vihtavuori N133
<<locked>>
84%
55970
90%
**56
100%
Vihtavuori N135
<<locked>>
89%
55883
90%
**02
100%
Vihtavuori N140
<<locked>>
84%
55956
90%
**22
100%
Vihtavuori N150
<<locked>>
93%
55651
89%
**38
100%
Vihtavuori N160
<<locked>>
91%
56101
90%
**00
100%
Vihtavuori N165
<<locked>>
97%
43772
70%
**77
95%
Vihtavuori N540
<<locked>>
84%
55680
89%
**45
100%
Vihtavuori N550 👍
<<locked>>
91%
55970
90%
**50
100%
Vihtavuori N555
<<locked>>
97%
49530
79%
**64
100%
[Vihtavuori N560]*
<<locked>>
97%
47007
75%
**38
93%
Winchester 6.5 StaBALL
<<locked>>
92%
55695
89%
**77
100%
Winchester 760
<<locked>>
89%
56086
90%
**59
99%
Winchester StaBALL HD
<<locked>>
97%
38058
61%
**15
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46354
74%
**10
99%
[ADI AR 2209]*
<<locked>>
85%
36361
58%
**43
90%
[ADI AR 2213]*
<<locked>>
92%
40683
65%
**61
90%
Accurate 2700
<<locked>>
81%
44918
72%
**28
95%
[Accurate 3100]*
<<locked>>
82%
28369
45%
**10
90%
Accurate 4064
<<locked>>
81%
48849
78%
**40
100%
Accurate 4350
<<locked>>
81%
37362
60%
**76
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
46978
75%
**36
100%
Alliant Reloder-15
<<locked>>
81%
50227
81%
**12
100%
Alliant Reloder-16
<<locked>>
81%
36506
59%
**82
97%
Alliant Reloder-17
<<locked>>
81%
41278
66%
**20
99%
[Alliant Reloder-19]*
<<locked>>
84%
35157
56%
**17
90%
[Alliant Reloder-22]*
<<locked>>
89%
35781
57%
**69
90%
[Alliant Reloder-23]*
<<locked>>
81%
26542
43%
**00
93%
[Alliant Reloder-25]*
<<locked>>
88%
29356
47%
**85
90%
[Alliant Reloder-26]*
<<locked>>
81%
28384
46%
**98
91%
Hodgdon CFE223
<<locked>>
81%
49226
79%
**25
99%
Hodgdon H380
<<locked>>
81%
47877
77%
**59
99%
Hodgdon H414
<<locked>>
81%
42931
69%
**10
96%
[Hodgdon H4350]*
<<locked>>
81%
35244
57%
**64
92%
[Hodgdon H4831 SC]*
<<locked>>
91%
41466
66%
**35
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33866
54%
**77
98%
Hodgdon LVR
<<locked>>
81%
40089
64%
**31
97%
[Hodgdon Superperformance]*
<<locked>>
81%
38522
62%
**31
93%
Hodgdon VARGET
<<locked>>
81%
46180
74%
**00
99%
Hodgdon TrailBoss
<<locked>>
81%
27427
44%
**55
100%
IMR 3031
<<locked>>
81%
51111
82%
**99
100%
IMR 4064
<<locked>>
81%
45527
73%
**87
99%
IMR 4166 Enduron
<<locked>>
81%
44933
72%
**48
96%
[IMR 4350]*
<<locked>>
81%
36999
59%
**17
93%
IMR 4451 Enduron
<<locked>>
81%
43149
69%
**31
95%
IMR 4831
<<locked>>
81%
32503
52%
**31
95%
IMR 4895
<<locked>>
81%
51605
83%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
90%
39987
64%
**76
90%
[IMR 7828 SSC]*
<<locked>>
91%
40132
64%
**67
90%
Lovex S062
<<locked>>
81%
48921
78%
**43
100%
Lovex S065
<<locked>>
81%
40306
65%
**79
96%
[Lovex S070]*
<<locked>>
81%
38551
62%
**49
94%
[Lovex S071]*
<<locked>>
87%
28210
45%
**07
90%
Norma 203B
<<locked>>
81%
49734
80%
**02
100%
[Norma 204]*
<<locked>>
81%
36506
59%
**33
91%
[Norma MRP]*
<<locked>>
84%
32285
52%
**97
90%
Norma URP
<<locked>>
81%
37115
60%
**69
97%
Ramshot Big Game
<<locked>>
81%
49835
80%
**22
100%
[Ramshot Hunter]*
<<locked>>
81%
36071
58%
**46
94%
[Ramshot Magnum]*
<<locked>>
90%
34780
56%
**17
90%
ReloadSwiss RS 14
<<locked>>
81%
28021
45%
**01
100%
ReloadSwiss RS 50
<<locked>>
81%
47718
77%
**33
97%
ReloadSwiss RS 52
<<locked>>
81%
49168
79%
**12
100%
ReloadSwiss RS 60
<<locked>>
81%
39943
64%
**17
100%
ReloadSwiss RS 62
<<locked>>
81%
36941
59%
**89
96%
ReloadSwiss RS 70
<<locked>>
81%
36172
58%
**85
95%
[ReloadSwiss RS 76]*
<<locked>>
94%
34432
55%
**66
90%
Rottweil R 902
<<locked>>
81%
51126
82%
**66
100%
Rottweil R 903
<<locked>>
81%
44367
71%
**87
100%
[Rottweil R 904]*
<<locked>>
85%
38421
62%
**46
90%
[Rottweil R 905]*
<<locked>>
85%
34722
56%
**10
90%
[Rottweil R 907]*
<<locked>>
81%
41553
67%
**95
94%
SNPE Vectan SP 11
<<locked>>
81%
45527
73%
**43
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
45905
74%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39682
64%
**20
95%
Shooters World Long Rifle
<<locked>>
81%
40306
65%
**79
96%
Shooters World Precision
<<locked>>
81%
48921
78%
**43
100%
Somchem S355
<<locked>>
81%
44541
71%
**77
100%
[Somchem S361]*
<<locked>>
87%
41162
66%
**72
90%
Somchem S365
<<locked>>
81%
33344
53%
**17
99%
[Somchem S385]*
<<locked>>
82%
32372
52%
**18
90%
Vihtavuori N133
<<locked>>
81%
51140
82%
**84
100%
Vihtavuori N135
<<locked>>
81%
43584
70%
**02
100%
Vihtavuori N140
<<locked>>
81%
50488
81%
**30
100%
Vihtavuori N150
<<locked>>
81%
38290
61%
**26
99%
Vihtavuori N160
<<locked>>
81%
40118
64%
**05
97%
[Vihtavuori N165]*
<<locked>>
88%
33359
53%
**31
90%
Vihtavuori N540
<<locked>>
81%
50444
81%
**56
100%
Vihtavuori N550
<<locked>>
81%
40901
66%
**51
97%
[Vihtavuori N555]*
<<locked>>
81%
28979
46%
**89
94%
[Vihtavuori N560]*
<<locked>>
93%
41481
67%
**17
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37797
61%
**43
99%
Winchester 760
<<locked>>
81%
42931
69%
**10
96%
[Winchester StaBALL HD]*
<<locked>>
82%
24091
39%
**57
90%

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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