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Load data for .300 Rem. Ultra Mag + .308 | 140gr | Barnes MPG

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Recommended Powder(s):

.300 Rem. Ultra Mag + .308 | 140gr | Barnes MPG

Load Specifications

Bullet:
.308 | 140gr | Barnes MPG
Manufacturer SKU:
30814
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.332" | 33.8mm
Caliber:
.300 Rem. Ultra Mag
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.638" | 16.2mm
Shank Seated Depth:
0.638" | 16.2mm
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_B602_C374

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 146 loads in caliber .300 Rem. Ultra Mag with .308 | 140gr | Barnes MPG bullet and 73 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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    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.

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 2208
<<locked>>
83%
57856
89%
**14
100%
ADI AR 2209
<<locked>>
93%
58204
90%
**89
99%
ADI AR 2213
<<locked>>
97%
58291
90%
**22
98%
[ADI AR 2217]*
<<locked>>
97%
42917
66%
**04
94%
ADI AR 2225
<<locked>>
97%
38363
59%
**58
96%
Accurate 2700
<<locked>>
84%
57899
89%
**64
99%
Accurate 3100
<<locked>>
97%
58407
90%
**27
100%
Accurate 4350
<<locked>>
88%
58146
89%
**63
100%
Accurate MAGPRO
<<locked>>
97%
58349
90%
**22
96%
Alliant Reloder-16
<<locked>>
90%
58175
90%
**15
100%
Alliant Reloder-17
<<locked>>
85%
58059
89%
**96
100%
Alliant Reloder-19
<<locked>>
94%
57928
89%
**76
99%
Alliant Reloder-22
<<locked>>
97%
58088
89%
**12
99%
Alliant Reloder-23 👍
<<locked>>
97%
55477
85%
**40
100%
Alliant Reloder-25
<<locked>>
97%
48225
74%
**71
100%
Alliant Reloder-26 👍
<<locked>>
93%
57841
89%
**48
100%
[Hodgdon H1000]*
<<locked>>
97%
42917
66%
**04
94%
Hodgdon H414
<<locked>>
84%
58233
90%
**82
100%
Hodgdon H4350
<<locked>>
91%
57827
89%
**27
99%
Hodgdon H4831
<<locked>>
97%
54041
83%
**91
96%
Hodgdon H4831 SC
<<locked>>
95%
58407
90%
**56
97%
Hodgdon Hybrid 100V
<<locked>>
92%
58436
90%
**20
100%
Hodgdon LVR
<<locked>>
87%
57783
89%
**66
100%
Hodgdon Retumbo
<<locked>>
97%
38363
59%
**58
96%
Hodgdon Superperformance
<<locked>>
86%
57812
89%
**96
100%
Hodgdon VARGET
<<locked>>
84%
57856
89%
**14
100%
Hodgdon TrailBoss
<<locked>>
97%
35273
54%
**28
100%
IMR 4064
<<locked>>
84%
57957
89%
**04
100%
IMR 4166 Enduron
<<locked>>
85%
57798
89%
**10
100%
IMR 4350
<<locked>>
90%
58175
90%
**27
99%
IMR 4451 Enduron
<<locked>>
86%
58334
90%
**30
100%
IMR 4831 👍
<<locked>>
93%
58363
90%
**43
100%
IMR 4955 Enduron
<<locked>>
96%
57986
89%
**17
97%
IMR 7828 SSC
<<locked>>
95%
57769
89%
**25
98%
Lovex S065
<<locked>>
88%
58044
89%
**17
100%
Lovex S070
<<locked>>
88%
57914
89%
**23
100%
Lovex S071
<<locked>>
97%
48979
75%
**79
99%
Norma 204
<<locked>>
89%
58189
90%
**69
99%
[Norma 217]*
<<locked>>
97%
34127
53%
**66
93%
Norma MRP
<<locked>>
94%
57696
89%
**32
100%
Norma URP
<<locked>>
89%
58378
90%
**63
100%
Ramshot Hunter
<<locked>>
89%
58262
90%
**73
100%
Ramshot Magnum
<<locked>>
97%
58102
89%
**82
100%
ReloadSwiss RS 14
<<locked>>
97%
35810
55%
**70
100%
ReloadSwiss RS 60
<<locked>>
86%
57914
89%
**15
100%
ReloadSwiss RS 62
<<locked>>
88%
57914
89%
**69
100%
ReloadSwiss RS 70
<<locked>>
89%
57769
89%
**15
100%
ReloadSwiss RS 76
<<locked>>
97%
47732
73%
**10
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42815
66%
**53
93%
Rottweil R 903
<<locked>>
84%
58102
89%
**10
100%
Rottweil R 904
<<locked>>
93%
58102
89%
**33
98%
Rottweil R 905
<<locked>>
94%
58407
90%
**82
99%
Rottweil R 907
<<locked>>
87%
58305
90%
**30
99%
SNPE Vectan SP 11
<<locked>>
83%
58291
90%
**50
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
58276
90%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
58102
89%
**64
100%
Shooters World Long Rifle
<<locked>>
88%
58044
89%
**17
100%
Somchem S355
<<locked>>
84%
58465
90%
**20
100%
Somchem S361
<<locked>>
92%
58102
89%
**84
97%
Somchem S365
<<locked>>
91%
58334
90%
**56
100%
Somchem S385
<<locked>>
94%
58146
89%
**36
99%
Vihtavuori N135
<<locked>>
85%
58044
89%
**28
100%
Vihtavuori N150
<<locked>>
89%
58204
90%
**68
100%
Vihtavuori N160
<<locked>>
86%
57986
89%
**17
100%
Vihtavuori N165
<<locked>>
97%
54259
84%
**54
99%
Vihtavuori N550
<<locked>>
86%
58117
89%
**69
100%
Vihtavuori N555 👍
<<locked>>
95%
58320
90%
**79
100%
Vihtavuori N560
<<locked>>
96%
57943
89%
**32
98%
Vihtavuori N565
<<locked>>
97%
50981
78%
**74
96%
[Vihtavuori N568]*
<<locked>>
97%
44208
68%
**79
93%
Winchester 6.5 StaBALL
<<locked>>
88%
58030
89%
**77
100%
Winchester 760
<<locked>>
84%
58233
90%
**82
100%
Winchester StaBALL HD 👍
<<locked>>
97%
53171
82%
**12
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53635
83%
**51
100%
[ADI AR 2209]*
<<locked>>
81%
37927
58%
**99
93%
[ADI AR 2213]*
<<locked>>
82%
35520
55%
**46
90%
[ADI AR 2217]*
<<locked>>
91%
35375
54%
**23
90%
[ADI AR 2225]*
<<locked>>
89%
29820
46%
**05
90%
Accurate 2700
<<locked>>
81%
51953
80%
**66
98%
Accurate 3100
<<locked>>
81%
33620
52%
**51
95%
Accurate 4350
<<locked>>
81%
45324
70%
**49
99%
[Accurate MAGPRO]*
<<locked>>
86%
39842
61%
**61
90%
Alliant Reloder-16
<<locked>>
81%
43439
67%
**63
100%
Alliant Reloder-17
<<locked>>
81%
50502
78%
**84
100%
[Alliant Reloder-19]*
<<locked>>
81%
37826
58%
**92
93%
[Alliant Reloder-22]*
<<locked>>
81%
33649
52%
**17
91%
Alliant Reloder-23
<<locked>>
81%
32213
50%
**87
98%
[Alliant Reloder-25]*
<<locked>>
81%
28268
43%
**66
92%
Alliant Reloder-26
<<locked>>
81%
35505
55%
**18
97%
[Hodgdon H1000]*
<<locked>>
91%
35375
54%
**23
90%
Hodgdon H414
<<locked>>
81%
51416
79%
**74
99%
Hodgdon H4350
<<locked>>
81%
41626
64%
**31
96%
[Hodgdon H4831]*
<<locked>>
85%
36651
56%
**36
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
36419
56%
**23
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40683
63%
**31
100%
Hodgdon LVR
<<locked>>
81%
47776
74%
**92
99%
[Hodgdon Retumbo]*
<<locked>>
89%
29820
46%
**05
90%
Hodgdon Superperformance
<<locked>>
81%
47036
72%
**09
98%
Hodgdon VARGET
<<locked>>
81%
53069
82%
**41
100%
Hodgdon TrailBoss
<<locked>>
81%
27934
43%
**64
100%
IMR 4064
<<locked>>
81%
52591
81%
**28
100%
IMR 4166 Enduron
<<locked>>
81%
51459
79%
**05
99%
IMR 4350
<<locked>>
81%
43801
67%
**81
97%
IMR 4451 Enduron
<<locked>>
81%
49661
76%
**82
98%
IMR 4831
<<locked>>
81%
39160
60%
**02
98%
[IMR 4955 Enduron]*
<<locked>>
81%
35766
55%
**80
90%
[IMR 7828 SSC]*
<<locked>>
82%
35534
55%
**56
90%
Lovex S065
<<locked>>
81%
47253
73%
**33
99%
Lovex S070
<<locked>>
81%
45411
70%
**17
98%
[Lovex S071]*
<<locked>>
81%
28790
44%
**23
92%
Norma 204
<<locked>>
81%
43743
67%
**07
95%
[Norma 217]*
<<locked>>
93%
29791
46%
**38
90%
[Norma MRP]*
<<locked>>
81%
35085
54%
**79
94%
Norma URP
<<locked>>
81%
44570
69%
**43
99%
Ramshot Hunter
<<locked>>
81%
43584
67%
**27
98%
[Ramshot Magnum]*
<<locked>>
81%
31299
48%
**31
91%
ReloadSwiss RS 14
<<locked>>
81%
28500
44%
**06
100%
ReloadSwiss RS 60
<<locked>>
81%
48501
75%
**71
100%
ReloadSwiss RS 62
<<locked>>
81%
45542
70%
**59
99%
ReloadSwiss RS 70
<<locked>>
81%
43830
67%
**82
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
30168
46%
**41
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
37739
58%
**38
90%
Rottweil R 903
<<locked>>
81%
52547
81%
**35
100%
[Rottweil R 904]*
<<locked>>
81%
39189
60%
**76
92%
[Rottweil R 905]*
<<locked>>
81%
37144
57%
**69
93%
Rottweil R 907
<<locked>>
81%
48385
74%
**63
98%
SNPE Vectan SP 11
<<locked>>
81%
54085
83%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52750
81%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46311
71%
**67
98%
Shooters World Long Rifle
<<locked>>
81%
47253
73%
**33
99%
Somchem S355
<<locked>>
81%
52388
81%
**28
100%
[Somchem S361]*
<<locked>>
81%
40277
62%
**66
92%
Somchem S365
<<locked>>
81%
41321
64%
**94
100%
Somchem S385
<<locked>>
81%
37869
58%
**59
95%
Vihtavuori N135
<<locked>>
81%
50560
78%
**27
100%
Vihtavuori N150
<<locked>>
81%
44976
69%
**71
100%
Vihtavuori N160
<<locked>>
81%
47921
74%
**63
100%
[Vihtavuori N165]*
<<locked>>
81%
31604
49%
**95
91%
Vihtavuori N550
<<locked>>
81%
48747
75%
**09
100%
Vihtavuori N555
<<locked>>
81%
36260
56%
**82
98%
[Vihtavuori N560]*
<<locked>>
83%
36187
56%
**92
90%
[Vihtavuori N565]*
<<locked>>
87%
35070
54%
**43
90%
[Vihtavuori N568]*
<<locked>>
93%
39001
60%
**61
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45397
70%
**90
100%
Winchester 760
<<locked>>
81%
51416
79%
**74
99%
Winchester StaBALL HD
<<locked>>
81%
27253
42%
**74
98%

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.

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