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Load data for .300 Rem. Ultra Mag + .308 | 140gr | CutEdge MTH

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

.300 Rem. Ultra Mag + .308 | 140gr | CutEdge MTH

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | CutEdge MTH
Manufacturer SKU:
MTH 308 140
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.173" | 29.8mm
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:
0.479" | 12.2mm
Shank Seated Depth:
0.278" | 7.1mm
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_B8474_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 142 loads in caliber .300 Rem. Ultra Mag with .308 | 140gr | CutEdge MTH bullet and 71 powders such as Alliant Reloder-23, Alliant Reloder-26, Somchem S385, Vihtavuori N555, Winchester StaBALL HD. 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>>
93%
58044
89%
**86
99%
ADI AR 2213
<<locked>>
96%
57783
89%
**19
98%
ADI AR 2217
<<locked>>
97%
43830
67%
**36
95%
ADI AR 2225
<<locked>>
97%
39262
60%
**87
97%
Accurate 2700
<<locked>>
84%
58015
89%
**71
99%
Accurate 3100
<<locked>>
96%
58421
90%
**27
100%
Accurate 4350
<<locked>>
87%
57696
89%
**53
100%
Accurate MAGPRO
<<locked>>
96%
57986
89%
**15
97%
Alliant Reloder-16
<<locked>>
89%
58479
90%
**15
100%
Alliant Reloder-17
<<locked>>
84%
58392
90%
**05
100%
Alliant Reloder-19
<<locked>>
93%
58320
90%
**92
99%
Alliant Reloder-22
<<locked>>
96%
58276
90%
**15
99%
Alliant Reloder-23 👍
<<locked>>
97%
57188
88%
**69
100%
Alliant Reloder-25
<<locked>>
97%
49443
76%
**94
100%
Alliant Reloder-26 👍
<<locked>>
93%
57711
89%
**41
100%
Hodgdon H1000
<<locked>>
97%
43830
67%
**36
95%
Hodgdon H414
<<locked>>
84%
58233
90%
**89
100%
Hodgdon H4350
<<locked>>
91%
58276
90%
**40
99%
Hodgdon H4831
<<locked>>
97%
55448
85%
**17
97%
Hodgdon H4831 SC
<<locked>>
94%
57812
89%
**56
98%
Hodgdon Hybrid 100V
<<locked>>
91%
58334
90%
**20
100%
Hodgdon LVR
<<locked>>
86%
57812
89%
**69
100%
Hodgdon Retumbo
<<locked>>
97%
39262
60%
**87
97%
Hodgdon Superperformance
<<locked>>
86%
58131
89%
**05
100%
Hodgdon VARGET
<<locked>>
83%
58030
89%
**20
100%
Hodgdon TrailBoss
<<locked>>
96%
34983
54%
**37
100%
IMR 4064
<<locked>>
84%
58247
90%
**23
100%
IMR 4166 Enduron
<<locked>>
85%
58291
90%
**17
100%
IMR 4350
<<locked>>
89%
58073
89%
**30
99%
IMR 4451 Enduron
<<locked>>
85%
58334
90%
**40
100%
IMR 4831
<<locked>>
93%
58320
90%
**50
100%
IMR 4955 Enduron
<<locked>>
96%
58218
90%
**36
98%
IMR 7828 SSC
<<locked>>
95%
57928
89%
**32
98%
Lovex S065
<<locked>>
87%
57972
89%
**23
100%
Lovex S070
<<locked>>
88%
58291
90%
**36
100%
Lovex S071
<<locked>>
97%
49893
77%
**99
99%
Norma 204
<<locked>>
88%
58218
90%
**79
99%
[Norma 217]*
<<locked>>
97%
34345
53%
**69
94%
Norma MRP
<<locked>>
94%
58218
90%
**45
100%
Norma URP
<<locked>>
88%
58320
90%
**76
100%
Ramshot Hunter
<<locked>>
89%
58204
90%
**76
100%
Ramshot Magnum
<<locked>>
96%
58320
90%
**82
100%
ReloadSwiss RS 14
<<locked>>
97%
35926
55%
**87
100%
ReloadSwiss RS 60
<<locked>>
85%
58421
90%
**25
100%
ReloadSwiss RS 62
<<locked>>
87%
57914
89%
**69
100%
ReloadSwiss RS 70
<<locked>>
88%
58030
89%
**15
100%
ReloadSwiss RS 76
<<locked>>
97%
49037
75%
**43
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
44440
68%
**89
94%
Rottweil R 903
<<locked>>
84%
58001
89%
**17
100%
Rottweil R 904
<<locked>>
92%
57827
89%
**33
98%
Rottweil R 905
<<locked>>
93%
58204
90%
**89
99%
Rottweil R 907
<<locked>>
86%
57986
89%
**36
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
58175
90%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57711
89%
**71
100%
Shooters World Long Rifle
<<locked>>
87%
57972
89%
**23
100%
Somchem S355
<<locked>>
84%
57812
89%
**20
100%
Somchem S361
<<locked>>
91%
58320
90%
**00
98%
Somchem S365
<<locked>>
90%
58218
90%
**63
100%
Somchem S385 👍
<<locked>>
93%
58088
89%
**43
99%
Vihtavuori N135
<<locked>>
85%
58247
90%
**35
100%
Vihtavuori N150
<<locked>>
89%
58436
90%
**74
100%
Vihtavuori N160
<<locked>>
86%
58276
90%
**30
100%
Vihtavuori N165
<<locked>>
97%
55564
86%
**81
99%
Vihtavuori N550
<<locked>>
86%
58015
89%
**69
100%
Vihtavuori N555 👍
<<locked>>
94%
57914
89%
**76
100%
Vihtavuori N560
<<locked>>
96%
58131
89%
**35
98%
Vihtavuori N565
<<locked>>
97%
52141
80%
**07
97%
[Vihtavuori N568]*
<<locked>>
97%
45527
70%
**12
93%
Winchester 6.5 StaBALL
<<locked>>
87%
58334
90%
**87
100%
Winchester 760
<<locked>>
84%
58233
90%
**89
100%
Winchester StaBALL HD 👍
<<locked>>
97%
55230
85%
**35
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
38464
59%
**15
94%
[ADI AR 2213]*
<<locked>>
82%
35027
54%
**40
90%
[ADI AR 2217]*
<<locked>>
90%
34867
54%
**17
90%
[ADI AR 2225]*
<<locked>>
89%
29341
45%
**92
90%
Accurate 2700
<<locked>>
81%
52721
81%
**95
99%
Accurate 3100
<<locked>>
81%
33678
52%
**57
95%
Accurate 4350
<<locked>>
81%
45672
70%
**66
100%
[Accurate MAGPRO]*
<<locked>>
86%
39291
60%
**54
90%
Alliant Reloder-16
<<locked>>
81%
43932
68%
**66
100%
Alliant Reloder-17
<<locked>>
81%
51532
79%
**10
100%
[Alliant Reloder-19]*
<<locked>>
81%
38218
59%
**02
94%
[Alliant Reloder-22]*
<<locked>>
81%
33982
52%
**20
92%
Alliant Reloder-23
<<locked>>
81%
32619
50%
**97
98%
[Alliant Reloder-25]*
<<locked>>
81%
28297
44%
**75
92%
Alliant Reloder-26
<<locked>>
81%
35911
55%
**28
98%
[Hodgdon H1000]*
<<locked>>
90%
34867
54%
**17
90%
Hodgdon H414
<<locked>>
81%
52228
80%
**91
99%
Hodgdon H4350
<<locked>>
81%
42235
65%
**48
96%
[Hodgdon H4831]*
<<locked>>
84%
35868
55%
**13
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35868
55%
**13
90%
Hodgdon Hybrid 100V
<<locked>>
81%
41321
64%
**44
100%
Hodgdon LVR
<<locked>>
81%
48341
74%
**15
100%
[Hodgdon Retumbo]*
<<locked>>
89%
29341
45%
**92
90%
Hodgdon Superperformance
<<locked>>
81%
48022
74%
**38
98%
Hodgdon VARGET
<<locked>>
81%
53954
83%
**61
100%
Hodgdon TrailBoss
<<locked>>
81%
27876
43%
**73
100%
IMR 4064
<<locked>>
81%
53374
82%
**48
100%
IMR 4166 Enduron
<<locked>>
81%
51909
80%
**15
99%
IMR 4350
<<locked>>
81%
44367
68%
**94
97%
IMR 4451 Enduron
<<locked>>
81%
50343
77%
**02
99%
IMR 4831
<<locked>>
81%
39421
61%
**15
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36129
56%
**97
91%
[IMR 7828 SSC]*
<<locked>>
81%
35346
54%
**56
90%
Lovex S065
<<locked>>
81%
47790
74%
**49
99%
Lovex S070
<<locked>>
81%
46021
71%
**30
98%
[Lovex S071]*
<<locked>>
81%
28689
44%
**23
92%
Norma 204
<<locked>>
81%
44541
69%
**27
96%
[Norma 217]*
<<locked>>
92%
29631
46%
**31
90%
[Norma MRP]*
<<locked>>
81%
35650
55%
**92
94%
Norma URP
<<locked>>
81%
45078
69%
**53
100%
Ramshot Hunter
<<locked>>
81%
44222
68%
**40
98%
[Ramshot Magnum]*
<<locked>>
81%
31473
48%
**28
91%
ReloadSwiss RS 14
<<locked>>
81%
28398
44%
**16
100%
ReloadSwiss RS 60
<<locked>>
81%
49647
76%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
46195
71%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
44570
69%
**95
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
29631
46%
**21
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
36869
57%
**15
90%
Rottweil R 903
<<locked>>
81%
53156
82%
**45
100%
[Rottweil R 904]*
<<locked>>
81%
39668
61%
**92
93%
[Rottweil R 905]*
<<locked>>
81%
37579
58%
**92
94%
Rottweil R 907
<<locked>>
81%
48878
75%
**79
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
53272
82%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46949
72%
**90
98%
Shooters World Long Rifle
<<locked>>
81%
47790
74%
**49
99%
Somchem S355
<<locked>>
81%
53011
82%
**41
100%
[Somchem S361]*
<<locked>>
81%
40654
63%
**76
93%
Somchem S365
<<locked>>
81%
41930
65%
**00
100%
Somchem S385
<<locked>>
81%
38072
59%
**72
95%
Vihtavuori N135
<<locked>>
81%
50923
78%
**40
100%
Vihtavuori N150
<<locked>>
81%
45266
70%
**74
100%
Vihtavuori N160
<<locked>>
81%
48733
75%
**82
100%
[Vihtavuori N165]*
<<locked>>
81%
31792
49%
**98
92%
Vihtavuori N550
<<locked>>
81%
49298
76%
**28
100%
Vihtavuori N555
<<locked>>
81%
36521
56%
**82
98%
[Vihtavuori N560]*
<<locked>>
83%
36042
55%
**89
90%
[Vihtavuori N565]*
<<locked>>
86%
34809
54%
**36
90%
[Vihtavuori N568]*
<<locked>>
93%
38740
60%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46282
71%
**07
100%
Winchester 760
<<locked>>
81%
52228
80%
**91
99%
Winchester StaBALL HD
<<locked>>
81%
28050
43%
**80
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.

<<locked>>... you need to buy an access license to unlock the data

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