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Load data for .300 Rem. Ultra Mag + .308 | 150gr | Hornady SST InterLock L1.17

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905

.300 Rem. Ultra Mag + .308 | 150gr | Hornady SST InterLock L1.17

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Hornady SST InterLock L1.17
Manufacturer SKU:
30302
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.170" | 29.7mm
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:
0.476" | 12.1mm
Shank Seated Depth:
0.316" | 8.0mm
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_B2672_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:12

Load data for 126 loads in caliber .300 Rem. Ultra Mag with .308 | 150gr | Hornady SST InterLock L1.17 bullet and 63 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905. 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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  • 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 2209 👍
<<locked>>
91%
58334
90%
**17
99%
ADI AR 2213
<<locked>>
94%
57725
89%
**33
99%
ADI AR 2217
<<locked>>
97%
47137
73%
**36
97%
ADI AR 2225
<<locked>>
97%
42279
65%
**87
99%
Accurate 3100
<<locked>>
94%
58363
90%
**45
100%
Accurate 4350
<<locked>>
86%
58334
90%
**77
100%
Accurate MAGPRO
<<locked>>
94%
58073
89%
**43
97%
Alliant Reloder-16
<<locked>>
87%
58001
89%
**17
100%
Alliant Reloder-19 👍
<<locked>>
91%
57928
89%
**07
99%
Alliant Reloder-22
<<locked>>
94%
57870
89%
**36
99%
Alliant Reloder-23
<<locked>>
95%
58175
90%
**87
100%
Alliant Reloder-25 👍
<<locked>>
97%
53534
82%
**81
100%
Alliant Reloder-26
<<locked>>
91%
58131
89%
**73
100%
Hodgdon H1000
<<locked>>
97%
47137
73%
**36
97%
Hodgdon H4350
<<locked>>
89%
58378
90%
**64
100%
Hodgdon H4831
<<locked>>
96%
57928
89%
**81
98%
Hodgdon H4831 SC
<<locked>>
93%
58363
90%
**94
98%
Hodgdon Hybrid 100V
<<locked>>
89%
57856
89%
**31
100%
Hodgdon LVR
<<locked>>
84%
57754
89%
**81
100%
Hodgdon Retumbo
<<locked>>
97%
42279
65%
**87
99%
Hodgdon Superperformance
<<locked>>
84%
58059
89%
**23
100%
Hodgdon TrailBoss
<<locked>>
96%
35157
54%
**75
100%
IMR 4350
<<locked>>
87%
58305
90%
**58
100%
IMR 4451 Enduron
<<locked>>
84%
58073
89%
**54
100%
IMR 4831
<<locked>>
90%
58073
89%
**68
100%
IMR 4955 Enduron
<<locked>>
94%
57798
89%
**61
98%
IMR 7828 SSC
<<locked>>
93%
58291
90%
**59
99%
[IMR 8133 Enduron]*
<<locked>>
97%
37985
58%
**85
94%
Lovex S065
<<locked>>
85%
58349
90%
**48
100%
Lovex S070
<<locked>>
86%
58059
89%
**61
100%
Lovex S071
<<locked>>
97%
53809
83%
**89
100%
Norma 204
<<locked>>
87%
57957
89%
**87
99%
Norma 217
<<locked>>
97%
38450
59%
**12
96%
Norma MRP 👍
<<locked>>
92%
58204
90%
**59
100%
Norma URP
<<locked>>
86%
58233
90%
**91
100%
Ramshot Hunter
<<locked>>
87%
58204
90%
**00
100%
Ramshot Magnum
<<locked>>
94%
58334
90%
**00
100%
ReloadSwiss RS 14
<<locked>>
96%
35998
55%
**21
100%
ReloadSwiss RS 60
<<locked>>
83%
58262
90%
**30
100%
ReloadSwiss RS 62
<<locked>>
85%
58204
90%
**91
100%
ReloadSwiss RS 70
<<locked>>
86%
57769
89%
**40
100%
ReloadSwiss RS 76
<<locked>>
97%
53272
82%
**33
100%
ReloadSwiss RS 80
<<locked>>
97%
48443
75%
**15
96%
Rottweil R 904
<<locked>>
91%
58363
90%
**74
99%
Rottweil R 905 👍
<<locked>>
91%
58030
89%
**10
99%
Rottweil R 907
<<locked>>
85%
58450
90%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
58131
89%
**99
100%
Shooters World Long Rifle
<<locked>>
85%
58349
90%
**48
100%
Somchem S361
<<locked>>
90%
58421
90%
**28
98%
Somchem S365
<<locked>>
88%
58363
90%
**77
100%
Somchem S385
<<locked>>
91%
58160
90%
**64
100%
Vihtavuori N135
<<locked>>
83%
58044
89%
**49
100%
Vihtavuori N150
<<locked>>
87%
58015
89%
**89
100%
Vihtavuori N160
<<locked>>
84%
58073
89%
**45
100%
Vihtavuori N165
<<locked>>
96%
58102
89%
**48
100%
Vihtavuori N550
<<locked>>
84%
58059
89%
**81
100%
Vihtavuori N555
<<locked>>
92%
58233
90%
**94
100%
Vihtavuori N560
<<locked>>
94%
58117
89%
**59
98%
Vihtavuori N565
<<locked>>
97%
56159
86%
**91
98%
Vihtavuori N568
<<locked>>
97%
49356
76%
**12
95%
[Vihtavuori N570]*
<<locked>>
97%
47398
73%
**09
93%
Winchester 6.5 StaBALL
<<locked>>
85%
58073
89%
**95
100%
Winchester StaBALL HD
<<locked>>
96%
57725
89%
**89
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41365
64%
**15
96%
[ADI AR 2213]*
<<locked>>
81%
36840
57%
**20
92%
[ADI AR 2217]*
<<locked>>
86%
33083
51%
**05
90%
[ADI AR 2225]*
<<locked>>
84%
27760
43%
**80
90%
Accurate 3100
<<locked>>
81%
37188
57%
**71
97%
Accurate 4350
<<locked>>
81%
49705
77%
**46
100%
[Accurate MAGPRO]*
<<locked>>
82%
37115
57%
**33
90%
Alliant Reloder-16
<<locked>>
81%
47413
73%
**59
100%
Alliant Reloder-19
<<locked>>
81%
41336
64%
**02
96%
[Alliant Reloder-22]*
<<locked>>
81%
37072
57%
**40
94%
Alliant Reloder-23
<<locked>>
81%
35636
55%
**07
100%
Alliant Reloder-25
<<locked>>
81%
30864
48%
**95
95%
Alliant Reloder-26
<<locked>>
81%
39885
61%
**48
99%
[Hodgdon H1000]*
<<locked>>
86%
33083
51%
**05
90%
Hodgdon H4350
<<locked>>
81%
44904
69%
**31
98%
[Hodgdon H4831]*
<<locked>>
81%
34751
53%
**21
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
38638
59%
**20
93%
Hodgdon Hybrid 100V
<<locked>>
81%
44860
69%
**31
100%
Hodgdon LVR
<<locked>>
81%
52011
80%
**95
100%
[Hodgdon Retumbo]*
<<locked>>
84%
27760
43%
**80
90%
Hodgdon Superperformance
<<locked>>
81%
51866
80%
**28
99%
Hodgdon TrailBoss
<<locked>>
81%
28094
43%
**18
100%
IMR 4350
<<locked>>
81%
47137
73%
**74
98%
IMR 4451 Enduron
<<locked>>
81%
53432
82%
**79
100%
IMR 4831
<<locked>>
81%
42786
66%
**08
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38624
59%
**90
93%
[IMR 7828 SSC]*
<<locked>>
81%
37956
58%
**59
93%
[IMR 8133 Enduron]*
<<locked>>
92%
32126
49%
**28
90%
Lovex S065
<<locked>>
81%
50865
78%
**23
100%
Lovex S070
<<locked>>
81%
49139
76%
**17
99%
Lovex S071
<<locked>>
81%
31850
49%
**43
95%
Norma 204
<<locked>>
81%
47543
73%
**17
97%
[Norma 217]*
<<locked>>
88%
28311
44%
**30
90%
Norma MRP
<<locked>>
81%
39146
60%
**15
97%
Norma URP
<<locked>>
81%
48356
74%
**36
100%
Ramshot Hunter
<<locked>>
81%
47500
73%
**33
99%
[Ramshot Magnum]*
<<locked>>
81%
34621
53%
**64
94%
ReloadSwiss RS 14
<<locked>>
81%
28863
44%
**64
100%
ReloadSwiss RS 60
<<locked>>
81%
53693
83%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
49806
77%
**63
100%
ReloadSwiss RS 70
<<locked>>
81%
48182
74%
**86
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29515
45%
**69
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
35085
54%
**13
90%
Rottweil R 904
<<locked>>
81%
42612
66%
**95
95%
Rottweil R 905
<<locked>>
81%
40683
63%
**85
96%
Rottweil R 907
<<locked>>
81%
52025
80%
**53
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49864
77%
**67
99%
Shooters World Long Rifle
<<locked>>
81%
50865
78%
**23
100%
Somchem S361
<<locked>>
81%
43772
67%
**76
95%
Somchem S365
<<locked>>
81%
45527
70%
**90
100%
Somchem S385
<<locked>>
81%
41234
63%
**66
97%
Vihtavuori N135
<<locked>>
81%
54346
84%
**94
100%
Vihtavuori N150
<<locked>>
81%
48254
74%
**44
100%
Vihtavuori N160
<<locked>>
81%
52054
80%
**59
100%
[Vihtavuori N165]*
<<locked>>
81%
34577
53%
**02
94%
Vihtavuori N550
<<locked>>
81%
52895
81%
**05
100%
Vihtavuori N555
<<locked>>
81%
40001
62%
**82
99%
[Vihtavuori N560]*
<<locked>>
81%
37188
57%
**49
92%
[Vihtavuori N565]*
<<locked>>
82%
32866
51%
**18
90%
[Vihtavuori N568]*
<<locked>>
89%
36854
57%
**46
90%
[Vihtavuori N570]*
<<locked>>
94%
42235
65%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49501
76%
**84
100%
Winchester StaBALL HD
<<locked>>
81%
31807
49%
**20
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.

<<locked>>... you need to buy an access license to unlock the data

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