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Load data for .300 Win. Mag. + .308 | 165gr | Hornady SST InterLock

Recommended Powder(s):

.300 Win. Mag. + .308 | 165gr | Hornady SST InterLock

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Hornady SST InterLock
Manufacturer SKU:
30452
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B2684_C380
Last updated:
2026-01-20
Recommended Twist Rate:
1:12 - 1:10

Load data for 172 loads in caliber .300 Win. Mag. with .308 | 165gr | Hornady SST InterLock bullet and 86 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".

  • No data yet

  • 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>>
87%
55288
89%
**23
100%
ADI AR 2209
<<locked>>
97%
52953
85%
**76
97%
[ADI AR 2213]*
<<locked>>
97%
47645
76%
**94
94%
Accurate 2700
<<locked>>
88%
55970
90%
**90
98%
Accurate 3100
<<locked>>
97%
46746
75%
**28
98%
Accurate 4064
<<locked>>
85%
56086
90%
**10
100%
Accurate 4350
<<locked>>
93%
55709
89%
**95
100%
Alliant Power Pro 2000-MR
<<locked>>
83%
55680
89%
**68
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55695
89%
**43
100%
Alliant Reloder-15
<<locked>>
84%
55782
89%
**63
100%
Alliant Reloder-16 👍
<<locked>>
94%
55753
89%
**45
100%
Alliant Reloder-17
<<locked>>
90%
56028
90%
**51
100%
Alliant Reloder-19
<<locked>>
97%
52852
85%
**63
97%
Alliant Reloder-22
<<locked>>
97%
46383
74%
**90
96%
Alliant Reloder-23
<<locked>>
97%
44251
71%
**58
100%
Alliant Reloder-25
<<locked>>
97%
38261
61%
**36
97%
Alliant Reloder-26
<<locked>>
97%
50038
80%
**31
100%
[Bofors RP15]*
<<locked>>
97%
42627
68%
**15
94%
Bofors RP3
<<locked>>
86%
55390
89%
**46
100%
Bofors RP5
<<locked>>
97%
46383
74%
**90
96%
Bofors RP7
<<locked>>
90%
55753
89%
**33
98%
Hodgdon CFE223
<<locked>>
84%
55434
89%
**92
100%
Hodgdon H380
<<locked>>
86%
55869
90%
**53
100%
Hodgdon H414
<<locked>>
89%
55912
90%
**18
99%
Hodgdon H4350
<<locked>>
96%
55767
89%
**53
98%
[Hodgdon H4831]*
<<locked>>
97%
44309
71%
**72
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
49821
80%
**84
94%
Hodgdon Hybrid 100V
<<locked>>
96%
55434
89%
**59
100%
Hodgdon LVR
<<locked>>
91%
55651
89%
**92
100%
Hodgdon Superperformance
<<locked>>
92%
56101
90%
**54
99%
Hodgdon VARGET
<<locked>>
87%
55288
89%
**23
100%
Hodgdon TrailBoss
<<locked>>
97%
34867
56%
**08
100%
IMR 3031
<<locked>>
84%
55869
90%
**13
100%
IMR 4064
<<locked>>
88%
56086
90%
**20
100%
IMR 4166 Enduron
<<locked>>
88%
55593
89%
**10
99%
IMR 4350
<<locked>>
94%
55970
90%
**59
98%
IMR 4451 Enduron
<<locked>>
89%
55753
89%
**36
99%
IMR 4831
<<locked>>
97%
53534
86%
**46
100%
IMR 4895
<<locked>>
84%
55753
89%
**69
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49705
80%
**44
94%
IMR 7828 SSC
<<locked>>
97%
48878
78%
**36
95%
Lovex S062
<<locked>>
85%
55912
90%
**17
100%
Lovex S065
<<locked>>
91%
55709
89%
**30
100%
Lovex S070
<<locked>>
92%
55317
89%
**43
99%
Lovex S071
<<locked>>
97%
39102
63%
**71
96%
Norma 203B
<<locked>>
85%
55724
89%
**63
100%
Norma 204
<<locked>>
93%
55303
89%
**92
97%
Norma MRP
<<locked>>
97%
48936
78%
**79
98%
Norma URP
<<locked>>
93%
55405
89%
**92
100%
Ramshot Big Game
<<locked>>
84%
55941
90%
**79
100%
Ramshot Grand
<<locked>>
97%
52214
84%
**99
96%
Ramshot Hunter 👍
<<locked>>
94%
55579
89%
**15
99%
Ramshot Magnum
<<locked>>
97%
44628
72%
**35
96%
ReloadSwiss RS 14
<<locked>>
97%
35433
57%
**50
100%
ReloadSwiss RS 50
<<locked>>
86%
55970
90%
**46
99%
ReloadSwiss RS 60
<<locked>>
88%
55434
89%
**41
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
55941
90%
**22
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
55666
89%
**68
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37217
60%
**36
93%
Rottweil R 902
<<locked>>
84%
55840
90%
**00
100%
Rottweil R 903
<<locked>>
88%
55317
89%
**33
100%
Rottweil R 904
<<locked>>
97%
55274
89%
**49
96%
Rottweil R 905
<<locked>>
97%
51358
82%
**46
97%
Rottweil R 907
<<locked>>
90%
55753
89%
**33
98%
SNPE Vectan SP 11
<<locked>>
87%
55724
89%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
55550
89%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
55724
89%
**90
99%
Shooters World Long Rifle
<<locked>>
91%
55709
89%
**30
100%
Shooters World Precision
<<locked>>
85%
55912
90%
**17
100%
Somchem S355
<<locked>>
88%
55564
89%
**40
100%
Somchem S361
<<locked>>
96%
55941
90%
**30
96%
Somchem S365
<<locked>>
96%
55985
90%
**18
100%
Somchem S385
<<locked>>
97%
52185
84%
**17
98%
Vihtavuori N133
<<locked>>
84%
55535
89%
**02
100%
Vihtavuori N135
<<locked>>
89%
55883
90%
**54
100%
Vihtavuori N140
<<locked>>
84%
55347
89%
**58
100%
Vihtavuori N150
<<locked>>
93%
56043
90%
**00
100%
Vihtavuori N160
<<locked>>
91%
55709
89%
**63
100%
Vihtavuori N165
<<locked>>
97%
43439
70%
**53
95%
Vihtavuori N540
<<locked>>
84%
55695
89%
**94
100%
Vihtavuori N550 👍
<<locked>>
91%
56072
90%
**02
100%
Vihtavuori N555
<<locked>>
97%
48965
79%
**27
100%
[Vihtavuori N560]*
<<locked>>
97%
46862
75%
**13
93%
Winchester 6.5 StaBALL
<<locked>>
93%
56101
90%
**33
100%
Winchester 760
<<locked>>
89%
55912
90%
**18
99%
Winchester StaBALL HD
<<locked>>
97%
37695
60%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46441
74%
**76
100%
[ADI AR 2209]*
<<locked>>
83%
34127
55%
**62
90%
[ADI AR 2213]*
<<locked>>
90%
38783
62%
**94
90%
Accurate 2700
<<locked>>
81%
44730
72%
**87
96%
[Accurate 3100]*
<<locked>>
81%
27050
43%
**59
90%
Accurate 4064
<<locked>>
81%
49095
79%
**05
100%
Accurate 4350
<<locked>>
81%
37057
59%
**44
97%
Alliant Power Pro 2000-MR
<<locked>>
81%
51082
82%
**86
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
46876
75%
**02
100%
Alliant Reloder-15
<<locked>>
81%
49908
80%
**71
100%
Alliant Reloder-16
<<locked>>
81%
36361
58%
**57
97%
Alliant Reloder-17
<<locked>>
81%
41118
66%
**92
100%
[Alliant Reloder-19]*
<<locked>>
83%
33330
53%
**43
90%
[Alliant Reloder-22]*
<<locked>>
87%
33388
54%
**85
90%
Alliant Reloder-23
<<locked>>
81%
26585
43%
**98
95%
[Alliant Reloder-25]*
<<locked>>
86%
27876
45%
**28
90%
[Alliant Reloder-26]*
<<locked>>
81%
28181
45%
**97
92%
[Bofors RP15]*
<<locked>>
90%
33866
54%
**95
90%
Bofors RP3
<<locked>>
81%
46963
75%
**02
100%
[Bofors RP5]*
<<locked>>
87%
33388
54%
**85
90%
Bofors RP7
<<locked>>
81%
41466
66%
**67
95%
Hodgdon CFE223
<<locked>>
81%
49110
79%
**84
100%
Hodgdon H380
<<locked>>
81%
47355
76%
**12
99%
Hodgdon H414
<<locked>>
81%
42583
68%
**66
96%
[Hodgdon H4350]*
<<locked>>
81%
35404
57%
**46
93%
[Hodgdon H4831]*
<<locked>>
93%
39262
63%
**64
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
39552
63%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33634
54%
**49
98%
Hodgdon LVR
<<locked>>
81%
40045
64%
**07
97%
[Hodgdon Superperformance]*
<<locked>>
81%
38247
61%
**94
94%
Hodgdon VARGET
<<locked>>
81%
45919
74%
**62
99%
Hodgdon TrailBoss
<<locked>>
81%
27485
44%
**50
100%
IMR 3031
<<locked>>
81%
51358
82%
**44
100%
IMR 4064
<<locked>>
81%
45643
73%
**53
100%
IMR 4166 Enduron
<<locked>>
81%
44991
72%
**20
97%
[IMR 4350]*
<<locked>>
81%
37072
59%
**89
94%
IMR 4451 Enduron
<<locked>>
81%
42844
69%
**03
96%
IMR 4831
<<locked>>
81%
32561
52%
**20
96%
IMR 4895
<<locked>>
81%
51271
82%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
88%
38072
61%
**02
90%
[IMR 7828 SSC]*
<<locked>>
90%
38609
62%
**07
90%
Lovex S062
<<locked>>
81%
48689
78%
**02
100%
Lovex S065
<<locked>>
81%
40480
65%
**57
97%
Lovex S070
<<locked>>
81%
38551
62%
**31
95%
[Lovex S071]*
<<locked>>
85%
26963
43%
**56
90%
Norma 203B
<<locked>>
81%
49414
79%
**58
100%
[Norma 204]*
<<locked>>
81%
36593
59%
**12
92%
[Norma MRP]*
<<locked>>
83%
30690
49%
**39
90%
Norma URP
<<locked>>
81%
36999
59%
**48
97%
Ramshot Big Game
<<locked>>
81%
49705
80%
**74
100%
[Ramshot Grand]*
<<locked>>
88%
38014
61%
**94
90%
Ramshot Hunter
<<locked>>
81%
35911
58%
**28
95%
[Ramshot Magnum]*
<<locked>>
88%
32358
52%
**43
90%
ReloadSwiss RS 14
<<locked>>
81%
28036
45%
**93
100%
ReloadSwiss RS 50
<<locked>>
81%
47630
76%
**99
98%
ReloadSwiss RS 60
<<locked>>
81%
43700
70%
**51
100%
ReloadSwiss RS 62
<<locked>>
81%
36767
59%
**57
97%
ReloadSwiss RS 70
<<locked>>
81%
35955
58%
**61
96%
[ReloadSwiss RS 76]*
<<locked>>
93%
32982
53%
**05
90%
Rottweil R 902
<<locked>>
81%
50792
81%
**22
100%
Rottweil R 903
<<locked>>
81%
44237
71%
**49
100%
[Rottweil R 904]*
<<locked>>
84%
36608
59%
**79
90%
[Rottweil R 905]*
<<locked>>
83%
32706
52%
**33
90%
Rottweil R 907
<<locked>>
81%
41466
66%
**67
95%
SNPE Vectan SP 11
<<locked>>
81%
45484
73%
**08
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45818
73%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39624
64%
**92
95%
Shooters World Long Rifle
<<locked>>
81%
40480
65%
**57
97%
Shooters World Precision
<<locked>>
81%
48689
78%
**02
100%
Somchem S355
<<locked>>
81%
44744
72%
**49
100%
[Somchem S361]*
<<locked>>
85%
38841
62%
**05
90%
Somchem S365
<<locked>>
81%
33402
54%
**02
99%
[Somchem S385]*
<<locked>>
81%
31053
50%
**67
91%
Vihtavuori N133
<<locked>>
81%
51126
82%
**33
100%
Vihtavuori N135
<<locked>>
81%
43468
70%
**64
100%
Vihtavuori N140
<<locked>>
81%
50357
81%
**92
100%
Vihtavuori N150
<<locked>>
81%
38174
61%
**95
100%
Vihtavuori N160
<<locked>>
81%
40059
64%
**80
98%
[Vihtavuori N165]*
<<locked>>
87%
31792
51%
**77
90%
Vihtavuori N540
<<locked>>
81%
50241
81%
**15
100%
Vihtavuori N550
<<locked>>
81%
40422
65%
**23
98%
Vihtavuori N555
<<locked>>
81%
28892
46%
**74
95%
[Vihtavuori N560]*
<<locked>>
91%
38870
62%
**36
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37666
60%
**18
99%
Winchester 760
<<locked>>
81%
42583
68%
**66
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23467
38%
**39
91%

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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