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Load data for .300 Rem. Ultra Mag + .308 | 146gr | MEN FMJ BT Mdly

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

.300 Rem. Ultra Mag + .308 | 146gr | MEN FMJ BT Mdly

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 146gr | MEN FMJ BT Mdly
Bullet Weight:
146gr | 9.5g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
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:
0.306" | 7.8mm
Shank Seated Depth:
0.306" | 7.8mm
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_B3780_C374
Last updated:
2025-01-01

Load data for 124 loads in caliber .300 Rem. Ultra Mag with .308 | 146gr | MEN FMJ BT Mdly bullet and 62 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%
58117
89%
**43
99%
ADI AR 2213
<<locked>>
93%
57986
89%
**76
99%
ADI AR 2217
<<locked>>
97%
47790
74%
**72
97%
ADI AR 2225
<<locked>>
97%
43192
66%
**36
99%
Accurate 3100
<<locked>>
93%
57957
89%
**71
100%
Accurate 4350
<<locked>>
85%
58204
90%
**07
100%
Accurate MAGPRO
<<locked>>
93%
57899
89%
**69
97%
Alliant Reloder-16
<<locked>>
87%
58291
90%
**53
100%
Alliant Reloder-19 👍
<<locked>>
91%
58102
89%
**36
99%
Alliant Reloder-22 👍
<<locked>>
93%
58160
90%
**63
99%
Alliant Reloder-23
<<locked>>
95%
58276
90%
**20
100%
Alliant Reloder-25
<<locked>>
97%
54331
84%
**27
100%
Alliant Reloder-26
<<locked>>
90%
58465
90%
**96
100%
Hodgdon H1000
<<locked>>
97%
47790
74%
**72
97%
Hodgdon H4350
<<locked>>
89%
57928
89%
**87
100%
Hodgdon H4831
<<locked>>
96%
57928
89%
**14
98%
Hodgdon H4831 SC
<<locked>>
92%
57928
89%
**14
98%
Hodgdon Hybrid 100V
<<locked>>
89%
58189
90%
**68
100%
Hodgdon LVR
<<locked>>
84%
58465
90%
**27
100%
Hodgdon Retumbo
<<locked>>
97%
43192
66%
**36
99%
Hodgdon Superperformance
<<locked>>
84%
58001
89%
**53
100%
Hodgdon TrailBoss
<<locked>>
97%
35563
55%
**11
100%
IMR 4350
<<locked>>
87%
58001
89%
**87
100%
IMR 4451 Enduron
<<locked>>
83%
58276
90%
**91
100%
IMR 4831
<<locked>>
90%
58218
90%
**97
100%
IMR 4955 Enduron
<<locked>>
93%
58349
90%
**91
98%
IMR 7828 SSC
<<locked>>
92%
58102
89%
**79
99%
[IMR 8133 Enduron]*
<<locked>>
97%
39030
60%
**28
94%
Lovex S065
<<locked>>
85%
58479
90%
**81
100%
Lovex S070
<<locked>>
86%
58088
89%
**87
100%
Lovex S071
<<locked>>
97%
54549
84%
**25
100%
Norma 204
<<locked>>
86%
58363
90%
**23
99%
Norma 217
<<locked>>
97%
39131
60%
**61
97%
Norma MRP 👍
<<locked>>
91%
57856
89%
**89
100%
Norma URP
<<locked>>
86%
58160
90%
**14
100%
Ramshot Hunter
<<locked>>
87%
58465
90%
**33
100%
Ramshot Magnum
<<locked>>
93%
57943
89%
**23
100%
ReloadSwiss RS 14
<<locked>>
96%
36129
56%
**54
100%
ReloadSwiss RS 62
<<locked>>
85%
57899
89%
**14
100%
ReloadSwiss RS 70
<<locked>>
86%
58291
90%
**76
100%
ReloadSwiss RS 76
<<locked>>
97%
54201
83%
**79
100%
ReloadSwiss RS 80
<<locked>>
97%
49603
76%
**58
96%
Rottweil R 904
<<locked>>
90%
58465
90%
**04
99%
Rottweil R 905 👍
<<locked>>
91%
57783
89%
**33
99%
Rottweil R 907
<<locked>>
84%
58160
90%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57812
89%
**28
100%
Shooters World Long Rifle
<<locked>>
85%
58479
90%
**81
100%
Somchem S361
<<locked>>
89%
58059
89%
**48
98%
Somchem S365
<<locked>>
88%
58334
90%
**10
100%
Somchem S385
<<locked>>
91%
57841
89%
**87
100%
Vihtavuori N135
<<locked>>
83%
58407
90%
**79
100%
Vihtavuori N150
<<locked>>
87%
58407
90%
**18
100%
Vihtavuori N160
<<locked>>
84%
57827
89%
**74
100%
Vihtavuori N165
<<locked>>
96%
58305
90%
**74
100%
Vihtavuori N550
<<locked>>
83%
58102
89%
**17
100%
Vihtavuori N555
<<locked>>
92%
58479
90%
**30
100%
Vihtavuori N560
<<locked>>
93%
58363
90%
**99
98%
Vihtavuori N565
<<locked>>
97%
57363
88%
**43
98%
Vihtavuori N568
<<locked>>
97%
50386
78%
**58
96%
[Vihtavuori N570]*
<<locked>>
97%
48196
74%
**41
93%
Winchester 6.5 StaBALL
<<locked>>
85%
58059
89%
**28
100%
Winchester StaBALL HD
<<locked>>
95%
58073
89%
**09
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41785
64%
**51
96%
[ADI AR 2213]*
<<locked>>
81%
37362
57%
**59
92%
[ADI AR 2217]*
<<locked>>
86%
33402
51%
**31
90%
[ADI AR 2225]*
<<locked>>
84%
28152
43%
**07
90%
Accurate 3100
<<locked>>
81%
37811
58%
**13
97%
Accurate 4350
<<locked>>
81%
50473
78%
**89
100%
[Accurate MAGPRO]*
<<locked>>
82%
38029
59%
**76
90%
Alliant Reloder-16
<<locked>>
81%
47877
74%
**92
100%
Alliant Reloder-19
<<locked>>
81%
41945
65%
**41
96%
Alliant Reloder-22
<<locked>>
81%
37652
58%
**79
95%
Alliant Reloder-23
<<locked>>
81%
36114
56%
**40
100%
Alliant Reloder-25
<<locked>>
81%
31401
48%
**38
96%
Alliant Reloder-26
<<locked>>
81%
40306
62%
**84
99%
[Hodgdon H1000]*
<<locked>>
86%
33402
51%
**31
90%
Hodgdon H4350
<<locked>>
81%
45252
70%
**71
98%
[Hodgdon H4831]*
<<locked>>
81%
35070
54%
**61
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
39189
60%
**59
93%
Hodgdon Hybrid 100V
<<locked>>
81%
45310
70%
**74
100%
Hodgdon LVR
<<locked>>
81%
52489
81%
**31
100%
[Hodgdon Retumbo]*
<<locked>>
84%
28152
43%
**07
90%
Hodgdon Superperformance
<<locked>>
81%
52634
81%
**64
99%
Hodgdon TrailBoss
<<locked>>
81%
28195
43%
**50
100%
IMR 4350
<<locked>>
81%
47776
74%
**13
98%
IMR 4451 Enduron
<<locked>>
81%
53751
83%
**22
100%
IMR 4831
<<locked>>
81%
43250
67%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38957
60%
**30
93%
[IMR 7828 SSC]*
<<locked>>
81%
38435
59%
**95
93%
[IMR 8133 Enduron]*
<<locked>>
92%
32692
50%
**67
90%
Lovex S065
<<locked>>
81%
51227
79%
**66
100%
Lovex S070
<<locked>>
81%
49603
76%
**53
99%
Lovex S071
<<locked>>
81%
32053
49%
**75
95%
Norma 204
<<locked>>
81%
48080
74%
**49
97%
[Norma 217]*
<<locked>>
88%
28587
44%
**52
90%
Norma MRP
<<locked>>
81%
39653
61%
**44
97%
Norma URP
<<locked>>
81%
49110
76%
**79
100%
Ramshot Hunter
<<locked>>
81%
48051
74%
**66
99%
[Ramshot Magnum]*
<<locked>>
81%
35201
54%
**90
94%
ReloadSwiss RS 14
<<locked>>
81%
28776
44%
**90
100%
ReloadSwiss RS 62
<<locked>>
81%
50473
78%
**09
100%
ReloadSwiss RS 70
<<locked>>
81%
48762
75%
**28
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29863
46%
**02
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
35665
55%
**46
90%
Rottweil R 904
<<locked>>
81%
42931
66%
**25
95%
Rottweil R 905
<<locked>>
81%
41249
63%
**25
96%
Rottweil R 907
<<locked>>
81%
52489
81%
**95
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50473
78%
**07
99%
Shooters World Long Rifle
<<locked>>
81%
51227
79%
**66
100%
Somchem S361
<<locked>>
81%
44106
68%
**12
95%
Somchem S365
<<locked>>
81%
46311
71%
**30
100%
Somchem S385
<<locked>>
81%
41814
64%
**05
97%
Vihtavuori N135
<<locked>>
81%
54795
84%
**36
100%
Vihtavuori N150
<<locked>>
81%
48776
75%
**81
100%
Vihtavuori N160
<<locked>>
81%
52678
81%
**95
100%
[Vihtavuori N165]*
<<locked>>
81%
35172
54%
**41
94%
Vihtavuori N550
<<locked>>
81%
53519
82%
**51
100%
Vihtavuori N555
<<locked>>
81%
40393
62%
**22
99%
[Vihtavuori N560]*
<<locked>>
81%
37710
58%
**85
92%
[Vihtavuori N565]*
<<locked>>
82%
33330
51%
**48
90%
[Vihtavuori N568]*
<<locked>>
89%
37014
57%
**69
90%
[Vihtavuori N570]*
<<locked>>
94%
42627
66%
**20
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50241
77%
**20
100%
Winchester StaBALL HD
<<locked>>
81%
32387
50%
**53
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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