top of page

Load data for .300 Rem. Ultra Mag + .308 | 150gr | Barnes RRLP

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

.300 Rem. Ultra Mag + .308 | 150gr | Barnes RRLP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Barnes RRLP
Manufacturer SKU:
30313
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.320" | 33.5mm
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:
0.626" | 15.9mm
Shank Seated Depth:
0.626" | 15.9mm
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_B606_C374
Last updated:
2025-01-01

Load data for 136 loads in caliber .300 Rem. Ultra Mag with .308 | 150gr | Barnes RRLP bullet and 68 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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.

    .

    Loading_icon.gif

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>>
92%
58392
90%
**17
99%
ADI AR 2213
<<locked>>
95%
57899
89%
**40
99%
ADI AR 2217
<<locked>>
97%
45295
70%
**97
96%
ADI AR 2225
<<locked>>
97%
40727
63%
**48
98%
Accurate 3100
<<locked>>
95%
58189
90%
**45
100%
Accurate 4350
<<locked>>
87%
58407
90%
**84
100%
Accurate MAGPRO
<<locked>>
95%
58160
90%
**43
97%
Alliant Reloder-16
<<locked>>
88%
58320
90%
**30
100%
Alliant Reloder-17
<<locked>>
83%
58378
90%
**23
100%
Alliant Reloder-19 👍
<<locked>>
92%
58276
90%
**04
99%
Alliant Reloder-22
<<locked>>
95%
58450
90%
**36
99%
Alliant Reloder-23
<<locked>>
96%
58102
89%
**94
100%
Alliant Reloder-25
<<locked>>
97%
50981
78%
**45
100%
Alliant Reloder-26
<<locked>>
92%
57957
89%
**73
100%
Hodgdon H1000
<<locked>>
97%
45295
70%
**97
96%
Hodgdon H414
<<locked>>
83%
58247
90%
**00
100%
Hodgdon H4350
<<locked>>
90%
58450
90%
**58
100%
Hodgdon H4831
<<locked>>
97%
57000
88%
**68
98%
Hodgdon H4831 SC
<<locked>>
94%
57928
89%
**74
98%
Hodgdon Hybrid 100V
<<locked>>
90%
58378
90%
**38
100%
Hodgdon LVR
<<locked>>
85%
58015
89%
**84
100%
Hodgdon Retumbo
<<locked>>
97%
40727
63%
**48
98%
Hodgdon Superperformance
<<locked>>
85%
58334
90%
**23
100%
Hodgdon TrailBoss
<<locked>>
97%
35360
54%
**65
100%
IMR 4064
<<locked>>
83%
58363
90%
**35
100%
IMR 4166 Enduron
<<locked>>
84%
58247
90%
**38
100%
IMR 4350
<<locked>>
88%
58204
90%
**48
100%
IMR 4451 Enduron
<<locked>>
84%
57812
89%
**48
100%
IMR 4831
<<locked>>
92%
58436
90%
**71
100%
IMR 4955 Enduron
<<locked>>
95%
57870
89%
**54
98%
IMR 7828 SSC
<<locked>>
94%
58291
90%
**59
99%
[IMR 8133 Enduron]*
<<locked>>
97%
36172
56%
**36
92%
Lovex S065
<<locked>>
86%
58001
89%
**31
100%
Lovex S070
<<locked>>
87%
58421
90%
**61
100%
Lovex S071
<<locked>>
97%
51663
79%
**49
100%
Norma 204
<<locked>>
88%
58160
90%
**91
99%
Norma 217
<<locked>>
97%
36318
56%
**69
95%
Norma MRP 👍
<<locked>>
93%
57841
89%
**56
100%
Norma URP
<<locked>>
87%
58131
89%
**87
100%
Ramshot Hunter
<<locked>>
88%
58320
90%
**07
100%
Ramshot Magnum
<<locked>>
95%
58015
89%
**00
100%
ReloadSwiss RS 14
<<locked>>
96%
35940
55%
**11
100%
ReloadSwiss RS 60
<<locked>>
84%
57740
89%
**36
100%
ReloadSwiss RS 62
<<locked>>
86%
58305
90%
**00
100%
ReloadSwiss RS 70
<<locked>>
87%
58349
90%
**40
100%
ReloadSwiss RS 76
<<locked>>
97%
51169
79%
**97
100%
ReloadSwiss RS 80
<<locked>>
97%
46296
71%
**59
95%
Rottweil R 904
<<locked>>
92%
58436
90%
**71
99%
Rottweil R 905 👍
<<locked>>
92%
57957
89%
**97
99%
Rottweil R 907
<<locked>>
85%
58088
89%
**45
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
58334
90%
**99
100%
Shooters World Long Rifle
<<locked>>
86%
58001
89%
**31
100%
Somchem S355
<<locked>>
83%
58421
90%
**41
100%
Somchem S361
<<locked>>
90%
58044
89%
**12
98%
Somchem S365
<<locked>>
89%
58131
89%
**74
100%
Somchem S385 👍
<<locked>>
92%
58262
90%
**71
100%
Vihtavuori N135
<<locked>>
84%
57754
89%
**40
100%
Vihtavuori N150
<<locked>>
88%
58146
89%
**89
100%
Vihtavuori N160
<<locked>>
85%
58189
90%
**48
100%
Vihtavuori N165
<<locked>>
97%
56985
88%
**22
99%
Vihtavuori N550
<<locked>>
85%
58160
90%
**84
100%
Vihtavuori N555
<<locked>>
93%
58088
89%
**97
100%
Vihtavuori N560
<<locked>>
95%
57769
89%
**53
98%
Vihtavuori N565
<<locked>>
97%
53940
83%
**58
98%
Vihtavuori N568
<<locked>>
97%
47195
73%
**82
95%
Winchester 6.5 StaBALL
<<locked>>
86%
58088
89%
**99
100%
Winchester 760
<<locked>>
83%
58247
90%
**00
100%
Winchester StaBALL HD
<<locked>>
97%
57159
88%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39856
61%
**76
95%
[ADI AR 2213]*
<<locked>>
81%
35665
55%
**87
91%
[ADI AR 2217]*
<<locked>>
88%
33576
52%
**15
90%
[ADI AR 2225]*
<<locked>>
86%
28253
43%
**93
90%
Accurate 3100
<<locked>>
81%
35636
55%
**35
97%
Accurate 4350
<<locked>>
81%
47805
74%
**17
100%
[Accurate MAGPRO]*
<<locked>>
83%
37536
58%
**40
90%
Alliant Reloder-16
<<locked>>
81%
45759
70%
**27
100%
Alliant Reloder-17
<<locked>>
81%
53287
82%
**45
100%
Alliant Reloder-19
<<locked>>
81%
39827
61%
**69
95%
[Alliant Reloder-22]*
<<locked>>
81%
35607
55%
**03
94%
Alliant Reloder-23
<<locked>>
81%
34142
53%
**71
99%
[Alliant Reloder-25]*
<<locked>>
81%
29820
46%
**59
94%
Alliant Reloder-26
<<locked>>
81%
37869
58%
**08
99%
[Hodgdon H1000]*
<<locked>>
88%
33576
52%
**15
90%
Hodgdon H414
<<locked>>
81%
53940
83%
**38
100%
Hodgdon H4350
<<locked>>
81%
43569
67%
**99
97%
[Hodgdon H4831]*
<<locked>>
82%
34766
54%
**25
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37478
58%
**90
92%
Hodgdon Hybrid 100V
<<locked>>
81%
43294
67%
**12
100%
Hodgdon LVR
<<locked>>
81%
50111
77%
**56
100%
[Hodgdon Retumbo]*
<<locked>>
86%
28253
43%
**93
90%
Hodgdon Superperformance
<<locked>>
81%
49661
76%
**82
99%
Hodgdon TrailBoss
<<locked>>
81%
28050
43%
**04
100%
IMR 4064
<<locked>>
81%
54766
84%
**79
100%
IMR 4166 Enduron
<<locked>>
81%
53461
82%
**59
99%
IMR 4350
<<locked>>
81%
45832
71%
**48
98%
IMR 4451 Enduron
<<locked>>
81%
51967
80%
**53
99%
IMR 4831
<<locked>>
81%
41249
63%
**82
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37449
58%
**64
92%
[IMR 7828 SSC]*
<<locked>>
81%
36521
56%
**26
92%
[IMR 8133 Enduron]*
<<locked>>
94%
32532
50%
**38
90%
Lovex S065
<<locked>>
81%
49443
76%
**97
100%
Lovex S070
<<locked>>
81%
47630
73%
**84
99%
[Lovex S071]*
<<locked>>
81%
30574
47%
**10
94%
Norma 204
<<locked>>
81%
45934
71%
**77
97%
[Norma 217]*
<<locked>>
90%
28529
44%
**33
90%
Norma MRP
<<locked>>
81%
37565
58%
**72
96%
Norma URP
<<locked>>
81%
46847
72%
**07
100%
Ramshot Hunter
<<locked>>
81%
45832
71%
**97
99%
[Ramshot Magnum]*
<<locked>>
81%
33228
51%
**18
93%
ReloadSwiss RS 14
<<locked>>
81%
28631
44%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
51387
79%
**35
100%
ReloadSwiss RS 62
<<locked>>
81%
48051
74%
**30
100%
ReloadSwiss RS 70
<<locked>>
81%
46238
71%
**53
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
28834
44%
**43
90%
[ReloadSwiss RS 80]*
<<locked>>
90%
35665
55%
**20
90%
[Rottweil R 904]*
<<locked>>
81%
41336
64%
**62
94%
Rottweil R 905
<<locked>>
81%
39218
60%
**49
95%
Rottweil R 907
<<locked>>
81%
50459
78%
**23
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48370
74%
**44
99%
Shooters World Long Rifle
<<locked>>
81%
49443
76%
**97
100%
Somchem S355
<<locked>>
81%
54824
84%
**82
100%
[Somchem S361]*
<<locked>>
81%
42177
65%
**40
94%
Somchem S365
<<locked>>
81%
43918
68%
**61
100%
Somchem S385
<<locked>>
81%
40001
62%
**40
96%
Vihtavuori N135
<<locked>>
81%
52823
81%
**71
100%
Vihtavuori N150
<<locked>>
81%
47050
72%
**25
100%
Vihtavuori N160
<<locked>>
81%
50270
77%
**23
100%
[Vihtavuori N165]*
<<locked>>
81%
33388
51%
**75
93%
Vihtavuori N550
<<locked>>
81%
51111
79%
**82
100%
Vihtavuori N555
<<locked>>
81%
38479
59%
**59
99%
[Vihtavuori N560]*
<<locked>>
81%
35694
55%
**13
91%
[Vihtavuori N565]*
<<locked>>
83%
33243
51%
**25
90%
[Vihtavuori N568]*
<<locked>>
90%
37014
57%
**53
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47776
74%
**51
100%
Winchester 760
<<locked>>
81%
53940
83%
**38
100%
Winchester StaBALL HD
<<locked>>
81%
29834
46%
**77
99%

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

bottom of page