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Load data for .375 Rem. Ultra Mag + .375 | 425gr | CutEdge MTH

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Lovex S070, Norma 204, Ramshot Hunter

.375 Rem. Ultra Mag + .375 | 425gr | CutEdge MTH

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 425gr | CutEdge MTH
Manufacturer SKU:
MTH L16
Bullet Weight:
425gr | 27.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
2.312" | 58.7mm
Caliber:
.375 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
1.616" | 41.0mm
Shank Seated Depth:
1.336" | 33.9mm
Case Capacity:
117.0 Grains of Water | 7.60 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B8570_C557
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 190 loads in caliber .375 Rem. Ultra Mag with .375 | 425gr | CutEdge MTH bullet and 95 powders such as Alliant Reloder-26, Hodgdon Superperformance, Lovex S070, Norma 204, Ramshot Hunter. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 18.9 fps

  • 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 2206H
<<locked>>
83%
57435
90%
**54
100%
ADI AR 2208
<<locked>>
88%
57087
89%
**41
100%
ADI AR 2209
<<locked>>
97%
51401
81%
**73
99%
ADI AR 2213
<<locked>>
97%
46064
72%
**31
97%
[ADI AR 2217]*
<<locked>>
97%
33243
52%
**18
93%
ADI AR 2225
<<locked>>
97%
29370
46%
**91
95%
Accurate 2700
<<locked>>
89%
56927
89%
**21
100%
Accurate 3100
<<locked>>
97%
43801
69%
**59
100%
Accurate 4064
<<locked>>
87%
57130
90%
**14
100%
Accurate 4350
<<locked>>
95%
57305
90%
**06
100%
Accurate MAGPRO
<<locked>>
97%
43555
68%
**28
95%
Alliant Reloder- TS 15.5
<<locked>>
88%
56623
89%
**47
100%
Alliant Reloder-15
<<locked>>
86%
57261
90%
**67
100%
Alliant Reloder-16
<<locked>>
96%
56826
89%
**33
100%
Alliant Reloder-17
<<locked>>
91%
57188
90%
**39
100%
Alliant Reloder-19
<<locked>>
97%
50372
79%
**64
99%
Alliant Reloder-22
<<locked>>
97%
44585
70%
**31
99%
Alliant Reloder-23
<<locked>>
97%
42192
66%
**88
100%
Alliant Reloder-25
<<locked>>
97%
36666
57%
**32
99%
Alliant Reloder-26 👍
<<locked>>
97%
47007
74%
**13
100%
Baschieri & Pellagri 107
<<locked>>
83%
57116
90%
**70
100%
Hodgdon CFE223
<<locked>>
86%
56768
89%
**00
100%
[Hodgdon H1000]*
<<locked>>
97%
33243
52%
**18
93%
Hodgdon H380
<<locked>>
88%
57421
90%
**73
100%
Hodgdon H414
<<locked>>
90%
57159
90%
**23
100%
Hodgdon H4350
<<locked>>
97%
56014
88%
**67
100%
Hodgdon H4831
<<locked>>
97%
42250
66%
**39
96%
Hodgdon H4831 SC
<<locked>>
97%
48327
76%
**21
97%
Hodgdon Hybrid 100V
<<locked>>
97%
54447
85%
**44
100%
Hodgdon LVR
<<locked>>
93%
57290
90%
**03
100%
Hodgdon Retumbo
<<locked>>
97%
29370
46%
**91
95%
Hodgdon Superperformance 👍
<<locked>>
93%
57377
90%
**62
100%
Hodgdon VARGET
<<locked>>
89%
56565
89%
**37
100%
IMR 3031
<<locked>>
85%
56840
89%
**11
100%
IMR 4064
<<locked>>
89%
57217
90%
**34
100%
IMR 4166 Enduron
<<locked>>
90%
56927
89%
**34
100%
IMR 4350
<<locked>>
95%
56507
89%
**73
100%
IMR 4451 Enduron
<<locked>>
91%
57276
90%
**64
100%
IMR 4831
<<locked>>
97%
51576
81%
**37
100%
IMR 4895
<<locked>>
85%
57087
89%
**73
100%
IMR 4955 Enduron
<<locked>>
97%
48225
76%
**85
97%
IMR 7828 SSC
<<locked>>
97%
47152
74%
**57
98%
Lovex D073.6
<<locked>>
83%
57145
90%
**24
100%
Lovex S060
<<locked>>
84%
57363
90%
**98
100%
Lovex S062
<<locked>>
87%
56768
89%
**21
100%
Lovex S065
<<locked>>
93%
56927
89%
**57
100%
Lovex S070 👍
<<locked>>
94%
56884
89%
**77
100%
Lovex S071
<<locked>>
97%
36840
58%
**67
99%
Norma 201
<<locked>>
84%
56898
89%
**14
100%
Norma 202
<<locked>>
83%
56898
89%
**01
100%
Norma 203B
<<locked>>
87%
57276
90%
**67
100%
Norma 204 👍
<<locked>>
95%
56855
89%
**16
100%
Norma MRP
<<locked>>
97%
46731
73%
**83
100%
Norma URP
<<locked>>
95%
57101
89%
**06
100%
Ramshot Big Game
<<locked>>
86%
56695
89%
**73
100%
Ramshot Hunter 👍
<<locked>>
96%
57000
89%
**33
100%
Ramshot Magnum
<<locked>>
97%
42757
67%
**95
99%
ReloadSwiss RS 50
<<locked>>
87%
56507
89%
**57
100%
ReloadSwiss RS 52
<<locked>>
86%
56985
89%
**70
100%
ReloadSwiss RS 60
<<locked>>
92%
56869
89%
**56
100%
ReloadSwiss RS 62
<<locked>>
95%
56724
89%
**26
100%
ReloadSwiss RS 70
<<locked>>
95%
56739
89%
**65
100%
ReloadSwiss RS 76
<<locked>>
97%
35114
55%
**42
98%
Rottweil R 902
<<locked>>
86%
57319
90%
**11
100%
Rottweil R 903
<<locked>>
90%
57101
89%
**54
100%
Rottweil R 904
<<locked>>
97%
53301
84%
**51
99%
Rottweil R 905
<<locked>>
97%
49429
77%
**54
99%
Rottweil R 907
<<locked>>
92%
57217
90%
**64
100%
SNPE Vectan SP 11
<<locked>>
89%
57101
89%
**83
100%
SNPE Vectan SP 9
<<locked>>
84%
57130
90%
**47
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
57232
90%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
56594
89%
**39
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
57029
89%
**24
100%
Shooters World Long Rifle
<<locked>>
93%
56927
89%
**57
100%
Shooters World Match Rifle
<<locked>>
83%
57145
90%
**24
100%
Shooters World Precision
<<locked>>
87%
56768
89%
**21
100%
Somchem S335
<<locked>>
83%
56608
89%
**49
100%
Somchem S355
<<locked>>
90%
57217
90%
**54
100%
Somchem S361
<<locked>>
97%
54984
86%
**47
98%
Somchem S365
<<locked>>
97%
54795
86%
**93
100%
Somchem S385
<<locked>>
97%
50531
79%
**41
100%
Vihtavuori N133
<<locked>>
85%
56826
89%
**26
100%
Vihtavuori N135
<<locked>>
91%
56753
89%
**69
100%
Vihtavuori N140
<<locked>>
86%
57305
90%
**85
100%
Vihtavuori N150
<<locked>>
95%
57406
90%
**18
100%
Vihtavuori N160
<<locked>>
93%
57246
90%
**73
100%
Vihtavuori N165
<<locked>>
97%
41727
65%
**19
98%
Vihtavuori N540
<<locked>>
86%
56579
89%
**08
100%
Vihtavuori N550
<<locked>>
93%
57203
90%
**13
100%
Vihtavuori N555
<<locked>>
97%
47181
74%
**37
100%
Vihtavuori N560
<<locked>>
97%
44527
70%
**44
97%
Vihtavuori N565
<<locked>>
97%
37202
58%
**39
95%
Winchester 6.5 StaBALL
<<locked>>
94%
57130
90%
**57
100%
Winchester 760
<<locked>>
90%
57159
90%
**23
100%
Winchester StaBALL HD
<<locked>>
97%
35346
55%
**24
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
53476
84%
**11
100%
ADI AR 2208
<<locked>>
81%
45237
71%
**09
100%
[ADI AR 2209]*
<<locked>>
81%
30951
49%
**59
94%
[ADI AR 2213]*
<<locked>>
82%
28282
44%
**19
90%
[ADI AR 2217]*
<<locked>>
92%
28805
45%
**22
90%
[ADI AR 2225]*
<<locked>>
90%
23888
37%
**50
90%
Accurate 2700
<<locked>>
81%
43366
68%
**67
99%
Accurate 3100
<<locked>>
81%
25701
40%
**63
95%
Accurate 4064
<<locked>>
81%
47195
74%
**16
100%
Accurate 4350
<<locked>>
81%
35723
56%
**47
100%
[Accurate MAGPRO]*
<<locked>>
87%
31415
49%
**18
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
45498
71%
**29
100%
Alliant Reloder-15
<<locked>>
81%
48849
77%
**78
100%
Alliant Reloder-16
<<locked>>
81%
35259
55%
**54
100%
Alliant Reloder-17
<<locked>>
81%
39813
62%
**46
100%
[Alliant Reloder-19]*
<<locked>>
81%
30603
48%
**59
94%
[Alliant Reloder-22]*
<<locked>>
81%
26571
42%
**09
92%
Alliant Reloder-23
<<locked>>
81%
25396
40%
**90
99%
[Alliant Reloder-25]*
<<locked>>
82%
23438
37%
**47
94%
Alliant Reloder-26
<<locked>>
81%
26760
42%
**72
97%
Baschieri & Pellagri 107
<<locked>>
81%
53098
83%
**28
100%
Hodgdon CFE223
<<locked>>
81%
47674
75%
**01
100%
[Hodgdon H1000]*
<<locked>>
92%
28805
45%
**22
90%
Hodgdon H380
<<locked>>
81%
46035
72%
**49
100%
Hodgdon H414
<<locked>>
81%
41234
65%
**32
99%
Hodgdon H4350
<<locked>>
81%
34287
54%
**78
97%
[Hodgdon H4831]*
<<locked>>
84%
28805
45%
**99
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
28805
45%
**99
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32576
51%
**78
100%
Hodgdon LVR
<<locked>>
81%
38783
61%
**83
100%
[Hodgdon Retumbo]*
<<locked>>
90%
23888
37%
**50
90%
Hodgdon Superperformance
<<locked>>
81%
36724
58%
**96
98%
Hodgdon VARGET
<<locked>>
81%
45005
71%
**09
100%
IMR 3031
<<locked>>
81%
50169
79%
**49
100%
IMR 4064
<<locked>>
81%
44483
70%
**93
100%
IMR 4166 Enduron
<<locked>>
81%
44034
69%
**83
99%
IMR 4350
<<locked>>
81%
36085
57%
**11
97%
IMR 4451 Enduron
<<locked>>
81%
41800
66%
**77
99%
IMR 4831
<<locked>>
81%
31212
49%
**59
99%
IMR 4895
<<locked>>
81%
50169
79%
**98
100%
[IMR 4955 Enduron]*
<<locked>>
81%
29399
46%
**90
91%
[IMR 7828 SSC]*
<<locked>>
81%
28094
44%
**26
90%
Lovex D073.6
<<locked>>
81%
53142
83%
**85
100%
Lovex S060
<<locked>>
81%
52663
83%
**52
100%
Lovex S062
<<locked>>
81%
47659
75%
**26
100%
Lovex S065
<<locked>>
81%
39102
61%
**41
99%
Lovex S070
<<locked>>
81%
37318
58%
**31
98%
Lovex S071
<<locked>>
85%
24801
39%
**44
95%
Norma 201
<<locked>>
81%
52127
82%
**65
100%
Norma 202
<<locked>>
81%
52750
83%
**62
100%
Norma 203B
<<locked>>
81%
48080
75%
**69
100%
Norma 204
<<locked>>
81%
35172
55%
**27
96%
[Norma MRP]*
<<locked>>
81%
27311
43%
**52
94%
Norma URP
<<locked>>
81%
35781
56%
**47
100%
Ramshot Big Game
<<locked>>
81%
48182
76%
**85
100%
Ramshot Hunter
<<locked>>
81%
34606
54%
**37
98%
[Ramshot Magnum]*
<<locked>>
81%
24033
38%
**40
90%
ReloadSwiss RS 50
<<locked>>
81%
46180
72%
**39
100%
ReloadSwiss RS 52
<<locked>>
81%
47529
74%
**75
100%
ReloadSwiss RS 60
<<locked>>
81%
38537
60%
**39
100%
ReloadSwiss RS 62
<<locked>>
81%
35360
55%
**67
99%
ReloadSwiss RS 70
<<locked>>
81%
34650
54%
**77
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
23917
37%
**73
90%
Rottweil R 902
<<locked>>
81%
49472
78%
**32
100%
Rottweil R 903
<<locked>>
81%
42917
67%
**00
100%
[Rottweil R 904]*
<<locked>>
81%
32242
51%
**49
93%
[Rottweil R 905]*
<<locked>>
81%
29341
46%
**39
94%
Rottweil R 907
<<locked>>
81%
40335
63%
**57
98%
SNPE Vectan SP 11
<<locked>>
81%
43947
69%
**42
100%
SNPE Vectan SP 9
<<locked>>
81%
51808
81%
**91
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
53055
83%
**09
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44599
70%
**21
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38189
60%
**01
98%
Shooters World Long Rifle
<<locked>>
81%
39102
61%
**41
99%
Shooters World Match Rifle
<<locked>>
81%
53142
83%
**85
100%
Shooters World Precision
<<locked>>
81%
47659
75%
**26
100%
Somchem S335
<<locked>>
81%
52794
83%
**13
100%
Somchem S355
<<locked>>
81%
43337
68%
**00
100%
[Somchem S361]*
<<locked>>
81%
32343
51%
**39
92%
Somchem S365
<<locked>>
81%
32097
50%
**14
100%
Somchem S385
<<locked>>
81%
29863
47%
**36
95%
Vihtavuori N133
<<locked>>
81%
50502
79%
**67
100%
Vihtavuori N135
<<locked>>
81%
42525
67%
**24
100%
Vihtavuori N140
<<locked>>
81%
49530
78%
**09
100%
Vihtavuori N150
<<locked>>
81%
37173
58%
**95
100%
Vihtavuori N160
<<locked>>
81%
38696
61%
**60
100%
[Vihtavuori N165]*
<<locked>>
82%
25875
41%
**44
92%
Vihtavuori N540
<<locked>>
81%
49139
77%
**36
100%
Vihtavuori N550
<<locked>>
81%
39131
61%
**93
100%
Vihtavuori N555
<<locked>>
81%
27717
43%
**42
99%
[Vihtavuori N560]*
<<locked>>
83%
28311
44%
**52
90%
[Vihtavuori N565]*
<<locked>>
87%
26847
42%
**32
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36448
57%
**24
100%
Winchester 760
<<locked>>
81%
41234
65%
**32
99%
Winchester StaBALL HD
<<locked>>
81%
22133
35%
**77
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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