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Load data for .300 Rem. Ultra Mag + .308 | 155gr | Lapua Scenar

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905

.300 Rem. Ultra Mag + .308 | 155gr | Lapua Scenar

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Lapua Scenar
Manufacturer SKU:
4PL7073 | GB491
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.287" | 32.7mm
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:
0.593" | 15.1mm
Shank Seated Depth:
0.396" | 10.1mm
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_B3148_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 128 loads in caliber .300 Rem. Ultra Mag with .308 | 155gr | Lapua Scenar bullet and 64 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, 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%
58102
89%
**77
99%
ADI AR 2213
<<locked>>
94%
58320
90%
**14
99%
ADI AR 2217
<<locked>>
97%
47021
72%
**97
97%
ADI AR 2225
<<locked>>
97%
42235
65%
**51
99%
Accurate 3100
<<locked>>
94%
58262
90%
**12
100%
Accurate 4350
<<locked>>
85%
57943
89%
**41
100%
Accurate MAGPRO
<<locked>>
94%
58291
90%
**17
98%
Alliant Reloder-16
<<locked>>
87%
58218
90%
**81
100%
Alliant Reloder-19 👍
<<locked>>
91%
58146
89%
**77
99%
Alliant Reloder-22 👍
<<locked>>
94%
58450
90%
**04
100%
Alliant Reloder-23
<<locked>>
95%
57885
89%
**51
100%
Alliant Reloder-25
<<locked>>
97%
53432
82%
**51
100%
Alliant Reloder-26
<<locked>>
91%
58421
90%
**30
100%
Hodgdon H1000
<<locked>>
97%
47021
72%
**97
97%
Hodgdon H4350
<<locked>>
89%
58146
89%
**22
100%
Hodgdon H4831
<<locked>>
97%
58436
90%
**58
98%
Hodgdon H4831 SC
<<locked>>
93%
58146
89%
**48
98%
Hodgdon Hybrid 100V
<<locked>>
89%
58131
89%
**95
100%
Hodgdon LVR
<<locked>>
84%
57957
89%
**41
100%
Hodgdon Retumbo
<<locked>>
97%
42235
65%
**51
99%
Hodgdon Superperformance
<<locked>>
84%
57740
89%
**74
100%
Hodgdon TrailBoss
<<locked>>
97%
35433
55%
**42
100%
IMR 4166 Enduron
<<locked>>
83%
58349
90%
**99
100%
IMR 4350
<<locked>>
87%
57899
89%
**15
100%
IMR 4451 Enduron
<<locked>>
84%
58175
90%
**12
100%
IMR 4831
<<locked>>
91%
58117
89%
**28
100%
IMR 4955 Enduron
<<locked>>
94%
58175
90%
**18
98%
IMR 7828 SSC
<<locked>>
93%
57986
89%
**20
99%
[IMR 8133 Enduron]*
<<locked>>
97%
38072
59%
**53
94%
Lovex S065
<<locked>>
85%
58233
90%
**02
100%
Lovex S070
<<locked>>
86%
58291
90%
**25
100%
Lovex S071
<<locked>>
97%
54114
83%
**49
100%
Norma 204
<<locked>>
87%
58276
90%
**54
99%
Norma 217
<<locked>>
97%
38334
59%
**85
97%
Norma MRP 👍
<<locked>>
92%
57754
89%
**17
100%
Norma URP
<<locked>>
87%
58363
90%
**51
100%
Ramshot Hunter
<<locked>>
87%
57798
89%
**58
100%
Ramshot Magnum
<<locked>>
94%
58044
89%
**68
100%
ReloadSwiss RS 14
<<locked>>
96%
36056
55%
**85
100%
ReloadSwiss RS 60
<<locked>>
83%
58160
90%
**97
100%
ReloadSwiss RS 62
<<locked>>
85%
58059
89%
**58
100%
ReloadSwiss RS 70
<<locked>>
86%
57870
89%
**00
100%
ReloadSwiss RS 76
<<locked>>
97%
53084
82%
**07
100%
ReloadSwiss RS 80
<<locked>>
97%
48312
74%
**76
96%
Rottweil R 904
<<locked>>
90%
58073
89%
**35
99%
Rottweil R 905 👍
<<locked>>
92%
58407
90%
**71
100%
Rottweil R 907
<<locked>>
84%
57986
89%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
58073
89%
**56
100%
Shooters World Long Rifle
<<locked>>
85%
58233
90%
**02
100%
Somchem S361
<<locked>>
89%
58015
89%
**89
98%
Somchem S365
<<locked>>
88%
57943
89%
**31
100%
Somchem S385
<<locked>>
91%
57870
89%
**28
100%
Vihtavuori N135
<<locked>>
83%
58233
90%
**10
100%
Vihtavuori N150
<<locked>>
87%
58392
90%
**56
100%
Vihtavuori N160
<<locked>>
84%
58349
90%
**09
100%
Vihtavuori N165
<<locked>>
96%
57957
89%
**02
100%
Vihtavuori N550
<<locked>>
84%
58334
90%
**45
100%
Vihtavuori N555
<<locked>>
92%
58102
89%
**54
100%
Vihtavuori N560
<<locked>>
94%
57986
89%
**27
99%
Vihtavuori N565
<<locked>>
97%
56376
87%
**68
98%
Vihtavuori N568
<<locked>>
97%
49647
76%
**92
96%
[Vihtavuori N570]*
<<locked>>
97%
47282
73%
**72
93%
Winchester 6.5 StaBALL
<<locked>>
86%
58189
90%
**59
100%
Winchester StaBALL HD
<<locked>>
96%
57638
89%
**50
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41379
64%
**76
96%
[ADI AR 2213]*
<<locked>>
81%
36898
57%
**97
93%
[ADI AR 2217]*
<<locked>>
86%
32343
50%
**52
90%
[ADI AR 2225]*
<<locked>>
84%
27166
42%
**38
90%
Accurate 3100
<<locked>>
81%
37217
57%
**44
98%
Accurate 4350
<<locked>>
81%
49748
77%
**17
100%
[Accurate MAGPRO]*
<<locked>>
81%
36666
56%
**90
90%
Alliant Reloder-16
<<locked>>
81%
47369
73%
**17
100%
Alliant Reloder-19
<<locked>>
81%
41365
64%
**76
96%
Alliant Reloder-22
<<locked>>
81%
37130
57%
**03
95%
Alliant Reloder-23
<<locked>>
81%
35694
55%
**71
100%
Alliant Reloder-25
<<locked>>
81%
30879
48%
**72
96%
Alliant Reloder-26
<<locked>>
81%
39784
61%
**18
99%
[Hodgdon H1000]*
<<locked>>
86%
32343
50%
**52
90%
Hodgdon H4350
<<locked>>
81%
44860
69%
**99
98%
[Hodgdon H4831]*
<<locked>>
81%
34693
53%
**89
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
38696
60%
**84
93%
Hodgdon Hybrid 100V
<<locked>>
81%
44788
69%
**99
100%
Hodgdon LVR
<<locked>>
81%
52054
80%
**53
100%
[Hodgdon Retumbo]*
<<locked>>
84%
27166
42%
**38
90%
Hodgdon Superperformance
<<locked>>
81%
51605
79%
**79
99%
Hodgdon TrailBoss
<<locked>>
81%
28195
43%
**85
100%
IMR 4166 Enduron
<<locked>>
81%
54824
84%
**53
100%
IMR 4350
<<locked>>
81%
47137
73%
**44
99%
IMR 4451 Enduron
<<locked>>
81%
53417
82%
**36
100%
IMR 4831
<<locked>>
81%
42685
66%
**72
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38580
59%
**57
93%
[IMR 7828 SSC]*
<<locked>>
81%
37724
58%
**23
93%
[IMR 8133 Enduron]*
<<locked>>
91%
31589
49%
**79
90%
Lovex S065
<<locked>>
81%
50807
78%
**90
100%
Lovex S070
<<locked>>
81%
49124
76%
**71
99%
Lovex S071
<<locked>>
81%
31807
49%
**10
95%
Norma 204
<<locked>>
81%
47688
73%
**81
98%
[Norma 217]*
<<locked>>
87%
27499
42%
**77
90%
Norma MRP
<<locked>>
81%
38972
60%
**79
97%
Norma URP
<<locked>>
81%
48356
74%
**94
100%
Ramshot Hunter
<<locked>>
81%
47645
73%
**97
99%
Ramshot Magnum
<<locked>>
81%
34577
53%
**28
95%
ReloadSwiss RS 14
<<locked>>
81%
28805
44%
**27
100%
ReloadSwiss RS 60
<<locked>>
81%
53490
82%
**35
100%
ReloadSwiss RS 62
<<locked>>
81%
49864
77%
**30
100%
ReloadSwiss RS 70
<<locked>>
81%
48167
74%
**53
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29457
45%
**43
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
34751
53%
**71
90%
Rottweil R 904
<<locked>>
81%
42598
66%
**53
95%
Rottweil R 905
<<locked>>
81%
40698
63%
**59
96%
Rottweil R 907
<<locked>>
81%
51982
80%
**17
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49908
77%
**38
99%
Shooters World Long Rifle
<<locked>>
81%
50807
78%
**90
100%
Somchem S361
<<locked>>
81%
43671
67%
**43
95%
Somchem S365
<<locked>>
81%
45542
70%
**48
100%
Somchem S385
<<locked>>
81%
41307
64%
**43
97%
Vihtavuori N135
<<locked>>
81%
54433
84%
**61
100%
Vihtavuori N150
<<locked>>
81%
48457
75%
**05
100%
Vihtavuori N160
<<locked>>
81%
52170
80%
**20
100%
[Vihtavuori N165]*
<<locked>>
81%
34577
53%
**72
94%
Vihtavuori N550
<<locked>>
81%
53011
82%
**66
100%
Vihtavuori N555
<<locked>>
81%
39958
62%
**53
100%
[Vihtavuori N560]*
<<locked>>
81%
37289
57%
**17
92%
[Vihtavuori N565]*
<<locked>>
82%
32677
50%
**82
90%
[Vihtavuori N568]*
<<locked>>
88%
35969
55%
**94
90%
[Vihtavuori N570]*
<<locked>>
94%
41756
64%
**44
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49400
76%
**38
100%
Winchester StaBALL HD
<<locked>>
81%
31937
49%
**90
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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