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Load data for .300 Rem. Ultra Mag + .308 | 180gr | Hornady SST InterLock

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.300 Rem. Ultra Mag + .308 | 180gr | Hornady SST InterLock

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Hornady SST InterLock
Manufacturer SKU:
30702
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.338" | 34.0mm
Caliber:
.300 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.644" | 16.4mm
Shank Seated Depth:
0.484" | 12.3mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B2700_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 110 loads in caliber .300 Rem. Ultra Mag with .308 | 180gr | Hornady SST InterLock bullet and 55 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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 2209
<<locked>>
88%
58378
90%
**10
100%
ADI AR 2213 👍
<<locked>>
91%
58407
90%
**49
100%
ADI AR 2217
<<locked>>
97%
52040
80%
**35
99%
[ADI AR 2218]*
<<locked>>
97%
45208
70%
**76
94%
ADI AR 2225
<<locked>>
97%
47268
73%
**12
100%
Accurate 3100
<<locked>>
91%
58349
90%
**44
100%
Accurate MAGPRO
<<locked>>
91%
57841
89%
**40
99%
Alliant Reloder-16
<<locked>>
84%
57928
89%
**94
100%
Alliant Reloder-19
<<locked>>
88%
57899
89%
**00
100%
Alliant Reloder-22 👍
<<locked>>
91%
58073
89%
**33
100%
Alliant Reloder-23
<<locked>>
92%
58160
90%
**77
100%
Alliant Reloder-25
<<locked>>
96%
58030
89%
**36
100%
Alliant Reloder-26
<<locked>>
88%
58320
90%
**56
100%
Alliant Reloder-33
<<locked>>
97%
49835
77%
**51
96%
[Alliant Reloder-50]*
<<locked>>
97%
42032
65%
**87
92%
Hodgdon H1000
<<locked>>
97%
52040
80%
**35
99%
Hodgdon H4350
<<locked>>
86%
58030
89%
**48
100%
Hodgdon H4831
<<locked>>
94%
58175
90%
**90
99%
Hodgdon H4831 SC
<<locked>>
90%
57856
89%
**77
99%
Hodgdon Hybrid 100V
<<locked>>
86%
58349
90%
**18
100%
Hodgdon Retumbo
<<locked>>
97%
47268
73%
**12
100%
Hodgdon TrailBoss
<<locked>>
97%
35824
55%
**18
100%
IMR 4350
<<locked>>
85%
58378
90%
**58
100%
IMR 4831
<<locked>>
88%
57769
89%
**41
100%
IMR 4955 Enduron
<<locked>>
91%
58088
89%
**58
99%
IMR 7828 SSC 👍
<<locked>>
90%
58276
90%
**56
100%
[IMR 7977 Enduron]*
<<locked>>
96%
58320
90%
**12
94%
IMR 8133 Enduron
<<locked>>
97%
43265
67%
**23
98%
Lovex S070
<<locked>>
84%
58088
89%
**48
100%
Lovex S071
<<locked>>
96%
57986
89%
**31
100%
Norma 204
<<locked>>
84%
57740
89%
**84
100%
Norma 217
<<locked>>
97%
43627
67%
**46
99%
Norma MRP
<<locked>>
89%
58378
90%
**46
100%
Norma URP
<<locked>>
84%
57986
89%
**64
100%
Ramshot Hunter
<<locked>>
84%
58204
90%
**84
100%
Ramshot Magnum
<<locked>>
91%
57711
89%
**94
100%
ReloadSwiss RS 14
<<locked>>
96%
36506
56%
**60
100%
ReloadSwiss RS 70
<<locked>>
83%
58465
90%
**30
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
57667
89%
**95
100%
ReloadSwiss RS 80
<<locked>>
97%
55114
85%
**27
99%
Rottweil R 904
<<locked>>
88%
58030
89%
**64
100%
Rottweil R 905
<<locked>>
89%
58218
90%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
83%
58320
90%
**02
100%
Somchem S361
<<locked>>
87%
57972
89%
**25
99%
Somchem S365
<<locked>>
85%
57986
89%
**44
100%
Somchem S385
<<locked>>
89%
58334
90%
**67
100%
Vihtavuori N150
<<locked>>
84%
58001
89%
**62
100%
Vihtavuori N165
<<locked>>
93%
57943
89%
**44
100%
[Vihtavuori N170]*
<<locked>>
97%
48689
75%
**17
94%
Vihtavuori N555
<<locked>>
89%
58204
90%
**71
100%
Vihtavuori N560 👍
<<locked>>
91%
58117
89%
**56
99%
Vihtavuori N565
<<locked>>
95%
57696
89%
**20
99%
Vihtavuori N568
<<locked>>
97%
55506
85%
**33
99%
Vihtavuori N570
<<locked>>
97%
52997
82%
**17
96%
Winchester StaBALL HD
<<locked>>
92%
58059
89%
**66
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
45411
70%
**07
99%
ADI AR 2213
<<locked>>
81%
40799
63%
**35
96%
[ADI AR 2217]*
<<locked>>
81%
30226
47%
**69
91%
[ADI AR 2218]*
<<locked>>
92%
38725
60%
**21
90%
[ADI AR 2225]*
<<locked>>
81%
27644
43%
**36
93%
Accurate 3100
<<locked>>
81%
41452
64%
**82
99%
[Accurate MAGPRO]*
<<locked>>
81%
40451
62%
**25
94%
Alliant Reloder-16
<<locked>>
81%
52257
80%
**22
100%
Alliant Reloder-19
<<locked>>
81%
45542
70%
**00
99%
Alliant Reloder-22
<<locked>>
81%
41321
64%
**44
98%
Alliant Reloder-23
<<locked>>
81%
40030
62%
**95
100%
Alliant Reloder-25
<<locked>>
81%
34432
53%
**16
99%
Alliant Reloder-26
<<locked>>
81%
44947
69%
**53
100%
[Alliant Reloder-33]*
<<locked>>
89%
36550
56%
**69
90%
[Alliant Reloder-50]*
<<locked>>
94%
36869
57%
**82
90%
[Hodgdon H1000]*
<<locked>>
81%
30226
47%
**69
91%
Hodgdon H4350
<<locked>>
81%
48849
75%
**03
100%
Hodgdon H4831
<<locked>>
81%
38276
59%
**39
95%
Hodgdon H4831 SC
<<locked>>
81%
42728
66%
**31
96%
Hodgdon Hybrid 100V
<<locked>>
81%
49284
76%
**00
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27644
43%
**36
93%
Hodgdon TrailBoss
<<locked>>
81%
28471
44%
**67
100%
IMR 4350
<<locked>>
81%
51314
79%
**49
100%
IMR 4831
<<locked>>
81%
46891
72%
**77
100%
IMR 4955 Enduron
<<locked>>
81%
42047
65%
**89
96%
IMR 7828 SSC
<<locked>>
81%
41974
65%
**77
97%
[IMR 7977 Enduron]*
<<locked>>
88%
45397
70%
**98
90%
[IMR 8133 Enduron]*
<<locked>>
85%
28442
44%
**62
90%
Lovex S070
<<locked>>
81%
53417
82%
**82
100%
Lovex S071
<<locked>>
81%
35418
55%
**51
98%
Norma 204
<<locked>>
81%
52344
81%
**99
99%
[Norma 217]*
<<locked>>
81%
24932
38%
**67
90%
Norma MRP
<<locked>>
81%
43830
67%
**13
99%
Norma URP
<<locked>>
81%
53026
82%
**99
100%
Ramshot Hunter
<<locked>>
81%
52170
80%
**02
100%
Ramshot Magnum
<<locked>>
81%
38827
60%
**82
98%
ReloadSwiss RS 14
<<locked>>
81%
29153
45%
**06
100%
ReloadSwiss RS 70
<<locked>>
81%
53287
82%
**54
100%
ReloadSwiss RS 76
<<locked>>
81%
32924
51%
**23
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
30864
47%
**34
90%
Rottweil R 904
<<locked>>
81%
46557
72%
**84
98%
Rottweil R 905
<<locked>>
81%
44918
69%
**84
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
54070
83%
**36
100%
Somchem S361
<<locked>>
81%
47442
73%
**57
97%
Somchem S365
<<locked>>
81%
50633
78%
**46
100%
Somchem S385
<<locked>>
81%
45542
70%
**67
99%
Vihtavuori N150
<<locked>>
81%
52518
81%
**94
100%
Vihtavuori N165
<<locked>>
81%
38305
59%
**10
97%
[Vihtavuori N170]*
<<locked>>
90%
39450
61%
**36
90%
Vihtavuori N555
<<locked>>
81%
44527
69%
**71
100%
Vihtavuori N560
<<locked>>
81%
41408
64%
**67
96%
[Vihtavuori N565]*
<<locked>>
81%
36027
55%
**26
94%
[Vihtavuori N568]*
<<locked>>
82%
32227
50%
**57
90%
[Vihtavuori N570]*
<<locked>>
87%
37376
58%
**08
90%
Winchester StaBALL HD
<<locked>>
81%
37318
57%
**38
100%

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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