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Load data for .300 Rem. Ultra Mag + .308 | 185gr | Berger JUG

Recommended Powder(s): ADI AR 2213, Accurate MAGPRO, Alliant Reloder-22, ReloadSwiss RS 76, Vihtavuori N560

.300 Rem. Ultra Mag + .308 | 185gr | Berger JUG

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 185gr | Berger JUG
Manufacturer SKU:
30418
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.344" | 34.1mm
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:
0.650" | 16.5mm
Shank Seated Depth:
0.447" | 11.3mm
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_B1093_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 104 loads in caliber .300 Rem. Ultra Mag with .308 | 185gr | Berger JUG bullet and 52 powders such as ADI AR 2213, Accurate MAGPRO, Alliant Reloder-22, 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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  • 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
88%
89%
100%
ADI AR 2213
90%
90%
100%
ADI AR 2217
97%
82%
100%
ADI AR 2218
97%
72%
95%
ADI AR 2225
97%
75%
100%
Accurate 3100
90%
89%
100%
Accurate MAGPRO
90%
90%
99%
Alliant Reloder-16
84%
90%
100%
Alliant Reloder-19
88%
90%
100%
Alliant Reloder-22
90%
90%
100%
Alliant Reloder-23
91%
89%
100%
Alliant Reloder-25
95%
89%
100%
Alliant Reloder-26
87%
89%
100%
Alliant Reloder-33
97%
79%
97%
Alliant Reloder-50
97%
66%
93%
Hodgdon H1000
97%
82%
100%
Hodgdon H4350
86%
90%
100%
Hodgdon H4831
93%
89%
99%
Hodgdon H4831 SC
89%
90%
99%
Hodgdon Hybrid 100V
85%
89%
100%
Hodgdon Retumbo
97%
75%
100%
Hodgdon TrailBoss
97%
55%
100%
IMR 4350
84%
89%
100%
IMR 4831
87%
90%
100%
IMR 4955 Enduron
91%
89%
99%
IMR 7828 SSC
89%
89%
100%
IMR 7977 Enduron
95%
90%
95%
IMR 8133 Enduron
97%
68%
98%
Lovex D100
97%
82%
92%
Lovex S071
96%
90%
100%
Norma 204
84%
90%
100%
Norma 217
97%
69%
100%
Norma MRP
88%
90%
100%
Ramshot Hunter
84%
89%
100%
Ramshot Magnum
91%
90%
100%
ReloadSwiss RS 14
97%
57%
100%
ReloadSwiss RS 76
95%
89%
100%
ReloadSwiss RS 80
97%
87%
99%
Rottweil R 904
87%
90%
100%
Rottweil R 905
88%
89%
100%
Somchem S361
86%
89%
99%
Somchem S365
84%
89%
100%
Somchem S385
88%
90%
100%
Vihtavuori N150
84%
90%
100%
Vihtavuori N165
93%
89%
100%
Vihtavuori N170
97%
77%
94%
Vihtavuori N555
88%
89%
100%
Vihtavuori N560
90%
90%
99%
Vihtavuori N565
94%
90%
100%
Vihtavuori N568
97%
88%
99%
Vihtavuori N570
97%
84%
97%
Winchester StaBALL HD
92%
90%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46427
71%
**90
99%
ADI AR 2213
<<locked>>
81%
41568
64%
**25
97%
[ADI AR 2217]*
<<locked>>
81%
31009
48%
**72
92%
[ADI AR 2218]*
<<locked>>
91%
37927
58%
**82
90%
ADI AR 2225
<<locked>>
81%
28297
44%
**33
95%
Accurate 3100
<<locked>>
81%
42235
65%
**59
100%
Accurate MAGPRO
<<locked>>
81%
41553
64%
**21
95%
Alliant Reloder-16
<<locked>>
81%
53200
82%
**95
100%
Alliant Reloder-19
<<locked>>
81%
46325
71%
**87
99%
Alliant Reloder-22
<<locked>>
81%
42250
65%
**38
98%
Alliant Reloder-23
<<locked>>
81%
40857
63%
**82
100%
Alliant Reloder-25
<<locked>>
81%
35244
54%
**13
99%
Alliant Reloder-26
<<locked>>
81%
46412
71%
**46
100%
[Alliant Reloder-33]*
<<locked>>
87%
35288
54%
**23
90%
[Alliant Reloder-50]*
<<locked>>
92%
36390
56%
**46
90%
[Hodgdon H1000]*
<<locked>>
81%
31009
48%
**72
92%
Hodgdon H4350
<<locked>>
81%
49603
76%
**90
100%
Hodgdon H4831
<<locked>>
81%
38986
60%
**20
95%
Hodgdon H4831 SC
<<locked>>
81%
43497
67%
**12
97%
Hodgdon Hybrid 100V
<<locked>>
81%
50140
77%
**74
100%
Hodgdon Retumbo
<<locked>>
81%
28297
44%
**33
95%
Hodgdon TrailBoss
<<locked>>
81%
28514
44%
**47
100%
IMR 4350
<<locked>>
81%
52098
80%
**33
100%
IMR 4831
<<locked>>
81%
47703
73%
**61
100%
IMR 4955 Enduron
<<locked>>
81%
43033
66%
**82
97%
IMR 7828 SSC
<<locked>>
81%
42815
66%
**57
97%
[IMR 7977 Enduron]*
<<locked>>
87%
43845
67%
**49
90%
[IMR 8133 Enduron]*
<<locked>>
83%
27760
43%
**10
90%
[Lovex D100]*
<<locked>>
94%
47500
73%
**44
90%
Lovex S071
<<locked>>
81%
36114
56%
**38
99%
Norma 204
<<locked>>
81%
53214
82%
**85
100%
[Norma 217]*
<<locked>>
81%
25788
40%
**70
92%
Norma MRP
<<locked>>
81%
44744
69%
**03
100%
Ramshot Hunter
<<locked>>
81%
53301
82%
**89
100%
Ramshot Magnum
<<locked>>
81%
39711
61%
**75
98%
ReloadSwiss RS 14
<<locked>>
81%
29399
45%
**90
100%
ReloadSwiss RS 76
<<locked>>
81%
33649
52%
**10
97%
[ReloadSwiss RS 80]*
<<locked>>
81%
30574
47%
**95
90%
Rottweil R 904
<<locked>>
81%
47311
73%
**61
98%
Rottweil R 905
<<locked>>
81%
45847
71%
**77
99%
Somchem S361
<<locked>>
81%
48573
75%
**57
98%
Somchem S365
<<locked>>
81%
51590
79%
**30
100%
Somchem S385
<<locked>>
81%
46340
71%
**54
99%
Vihtavuori N150
<<locked>>
81%
53301
82%
**71
100%
Vihtavuori N165
<<locked>>
81%
39378
61%
**03
98%
[Vihtavuori N170]*
<<locked>>
89%
38769
60%
**97
90%
Vihtavuori N555
<<locked>>
81%
45411
70%
**57
100%
Vihtavuori N560
<<locked>>
81%
42511
65%
**61
97%
Vihtavuori N565
<<locked>>
81%
36811
57%
**10
95%
[Vihtavuori N568]*
<<locked>>
81%
31995
49%
**28
90%
[Vihtavuori N570]*
<<locked>>
86%
36579
56%
**59
90%
Winchester StaBALL HD
<<locked>>
81%
38551
59%
**35
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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