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Load data for .375 Rem. Ultra Mag + .375 | 255gr | Barnes Originals

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Recommended Powder(s):

.375 Rem. Ultra Mag + .375 | 255gr | Barnes Originals

Load Specifications

Bullet:
.375 | 255gr | Barnes Originals
Manufacturer SKU:
30496
Bullet Weight:
255gr | 16.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.058" | 26.9mm
Caliber:
.375 Rem. Ultra Mag
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.362" | 9.2mm
Shank Seated Depth:
0.362" | 9.2mm
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_B734_C557

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

Load data for 0 loads in caliber .375 Rem. Ultra Mag with .375 | 255gr | Barnes Originals bullet and 0 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 2206H
<<locked>>
83%
56782
89%
**72
100%
ADI AR 2208
<<locked>>
89%
57305
90%
**62
100%
ADI AR 2209
<<locked>>
97%
52156
82%
**59
97%
[ADI AR 2213]*
<<locked>>
97%
46369
73%
**80
93%
Accurate 2700
<<locked>>
89%
57421
90%
**20
98%
Accurate 3100
<<locked>>
97%
45078
71%
**18
98%
Accurate 4064
<<locked>>
87%
57232
90%
**33
100%
Accurate 4350
<<locked>>
94%
57232
90%
**22
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
57406
90%
**82
100%
Alliant Reloder-15
<<locked>>
86%
57392
90%
**99
100%
Alliant Reloder-16 👍
<<locked>>
96%
57116
90%
**71
100%
Alliant Reloder-17
<<locked>>
92%
57319
90%
**81
100%
Alliant Reloder-19
<<locked>>
97%
51082
80%
**53
97%
Alliant Reloder-22
<<locked>>
97%
45092
71%
**84
95%
Alliant Reloder-23
<<locked>>
97%
42873
67%
**51
100%
Alliant Reloder-25
<<locked>>
97%
37666
59%
**49
96%
Alliant Reloder-26
<<locked>>
97%
47790
75%
**99
100%
Baschieri & Pellagri 107
<<locked>>
83%
57261
90%
**92
100%
Hodgdon CFE223
<<locked>>
86%
56927
89%
**15
100%
Hodgdon H380
<<locked>>
88%
57348
90%
**89
100%
Hodgdon H414 👍
<<locked>>
90%
57159
90%
**41
99%
Hodgdon H4350
<<locked>>
97%
56507
89%
**69
98%
[Hodgdon H4831]*
<<locked>>
97%
42975
67%
**72
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
48602
76%
**77
94%
Hodgdon Hybrid 100V
<<locked>>
97%
54955
86%
**56
100%
Hodgdon LVR
<<locked>>
93%
57276
90%
**28
100%
Hodgdon Superperformance
<<locked>>
93%
57014
89%
**64
99%
Hodgdon VARGET
<<locked>>
89%
57305
90%
**62
100%
Hodgdon TrailBoss
<<locked>>
97%
34606
54%
**93
100%
IMR 3031
<<locked>>
85%
56985
89%
**46
100%
IMR 4064
<<locked>>
89%
57188
90%
**56
100%
IMR 4166 Enduron
<<locked>>
90%
56942
89%
**40
99%
IMR 4350
<<locked>>
96%
57305
90%
**82
99%
IMR 4451 Enduron
<<locked>>
91%
57188
90%
**66
99%
IMR 4831
<<locked>>
97%
52141
82%
**33
100%
IMR 4895
<<locked>>
85%
57290
90%
**02
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48153
75%
**38
94%
[IMR 7828 SSC]*
<<locked>>
97%
47398
74%
**13
94%
Lovex D073.6
<<locked>>
83%
57305
90%
**43
100%
Lovex S060
<<locked>>
84%
57130
90%
**13
100%
Lovex S062
<<locked>>
87%
57421
90%
**49
100%
Lovex S065
<<locked>>
93%
57261
90%
**66
100%
Lovex S070
<<locked>>
94%
57072
89%
**85
99%
Lovex S071
<<locked>>
97%
37768
59%
**80
96%
Norma 201
<<locked>>
84%
57043
89%
**40
100%
Norma 202
<<locked>>
84%
57072
89%
**30
100%
Norma 203B
<<locked>>
87%
57392
90%
**95
100%
Norma 204
<<locked>>
95%
56956
89%
**12
98%
Norma MRP
<<locked>>
97%
47529
74%
**59
97%
Norma URP
<<locked>>
95%
57276
90%
**28
100%
Ramshot Big Game
<<locked>>
86%
57145
90%
**02
100%
Ramshot Hunter
<<locked>>
96%
57174
90%
**38
100%
Ramshot Magnum
<<locked>>
97%
43395
68%
**25
95%
ReloadSwiss RS 14
<<locked>>
97%
35157
55%
**36
100%
ReloadSwiss RS 50
<<locked>>
87%
56971
89%
**62
99%
ReloadSwiss RS 52
<<locked>>
86%
57203
90%
**02
100%
ReloadSwiss RS 60
<<locked>>
92%
57145
90%
**94
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
57348
90%
**48
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
56869
89%
**84
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
36100
57%
**30
93%
Rottweil R 902
<<locked>>
86%
57043
89%
**33
100%
Rottweil R 903
<<locked>>
90%
56840
89%
**66
100%
Rottweil R 904
<<locked>>
97%
53534
84%
**30
96%
Rottweil R 905
<<locked>>
97%
49777
78%
**23
97%
Rottweil R 907
<<locked>>
92%
57363
90%
**72
99%
SNPE Vectan SP 11
<<locked>>
89%
57174
90%
**08
100%
SNPE Vectan SP 9
<<locked>>
84%
57406
90%
**72
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
57392
90%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
57029
89%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
57159
90%
**13
99%
Shooters World Long Rifle
<<locked>>
93%
57261
90%
**66
100%
Shooters World Match Rifle
<<locked>>
83%
57305
90%
**43
100%
Shooters World Precision
<<locked>>
87%
57421
90%
**49
100%
Somchem S335
<<locked>>
84%
57421
90%
**64
100%
Somchem S355
<<locked>>
90%
56898
89%
**66
100%
Somchem S361
<<locked>>
97%
55419
87%
**23
95%
Somchem S365
<<locked>>
97%
55593
87%
**25
100%
Somchem S385
<<locked>>
97%
50821
80%
**10
98%
Vihtavuori N133
<<locked>>
86%
57435
90%
**44
100%
Vihtavuori N135
<<locked>>
91%
57058
89%
**87
100%
Vihtavuori N140
<<locked>>
86%
57058
89%
**00
100%
Vihtavuori N150
<<locked>>
95%
57145
90%
**26
100%
Vihtavuori N160
<<locked>>
92%
57014
89%
**82
100%
Vihtavuori N165
<<locked>>
97%
42395
66%
**49
95%
Vihtavuori N540
<<locked>>
86%
56811
89%
**26
100%
Vihtavuori N550
<<locked>>
92%
57276
90%
**28
100%
Vihtavuori N555
<<locked>>
97%
47703
75%
**20
100%
[Vihtavuori N560]*
<<locked>>
97%
45194
71%
**97
93%
Winchester 6.5 StaBALL
<<locked>>
94%
56855
89%
**59
100%
Winchester 760 👍
<<locked>>
90%
57159
90%
**41
99%
Winchester StaBALL HD
<<locked>>
97%
35157
55%
**64
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
53156
83%
**20
100%
ADI AR 2208
<<locked>>
81%
45121
71%
**75
99%
[ADI AR 2209]*
<<locked>>
84%
34229
54%
**05
90%
[ADI AR 2213]*
<<locked>>
91%
38624
61%
**16
90%
Accurate 2700
<<locked>>
81%
43540
68%
**00
96%
[Accurate 3100]*
<<locked>>
81%
26455
41%
**05
90%
Accurate 4064
<<locked>>
81%
47616
75%
**05
100%
Accurate 4350
<<locked>>
81%
35955
56%
**64
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
45368
71%
**02
100%
Alliant Reloder-15
<<locked>>
81%
48646
76%
**67
100%
Alliant Reloder-16
<<locked>>
81%
35360
55%
**67
97%
Alliant Reloder-17
<<locked>>
81%
39958
63%
**95
100%
[Alliant Reloder-19]*
<<locked>>
83%
33344
52%
**92
90%
[Alliant Reloder-22]*
<<locked>>
88%
33228
52%
**25
90%
[Alliant Reloder-23]*
<<locked>>
81%
25846
41%
**31
94%
[Alliant Reloder-25]*
<<locked>>
87%
27746
43%
**77
90%
[Alliant Reloder-26]*
<<locked>>
81%
27383
43%
**20
92%
Baschieri & Pellagri 107
<<locked>>
81%
53040
83%
**33
100%
Hodgdon CFE223
<<locked>>
81%
47514
74%
**77
99%
Hodgdon H380
<<locked>>
81%
46325
73%
**21
99%
Hodgdon H414
<<locked>>
81%
41263
65%
**75
96%
[Hodgdon H4350]*
<<locked>>
81%
34389
54%
**69
92%
[Hodgdon H4831]*
<<locked>>
94%
39305
62%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
39305
62%
**00
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32605
51%
**65
98%
Hodgdon LVR
<<locked>>
81%
38624
61%
**07
97%
[Hodgdon Superperformance]*
<<locked>>
81%
37217
58%
**10
94%
Hodgdon VARGET
<<locked>>
81%
44715
70%
**69
99%
Hodgdon TrailBoss
<<locked>>
91%
31966
50%
**44
100%
IMR 3031
<<locked>>
81%
49806
78%
**51
100%
IMR 4064
<<locked>>
81%
44425
70%
**59
99%
IMR 4166 Enduron
<<locked>>
81%
43584
68%
**16
96%
[IMR 4350]*
<<locked>>
81%
35998
56%
**08
93%
IMR 4451 Enduron
<<locked>>
81%
41829
66%
**13
96%
IMR 4831
<<locked>>
81%
31241
49%
**33
95%
IMR 4895
<<locked>>
81%
49821
78%
**94
100%
[IMR 4955 Enduron]*
<<locked>>
89%
38290
60%
**44
90%
[IMR 7828 SSC]*
<<locked>>
91%
38609
60%
**30
90%
Lovex D073.6
<<locked>>
81%
53272
83%
**97
100%
Lovex S060
<<locked>>
81%
52170
82%
**51
100%
Lovex S062
<<locked>>
81%
47776
75%
**08
100%
Lovex S065
<<locked>>
81%
39262
62%
**61
97%
Lovex S070
<<locked>>
81%
37652
59%
**44
95%
[Lovex S071]*
<<locked>>
86%
26455
41%
**05
90%
Norma 201
<<locked>>
81%
52083
82%
**64
100%
Norma 202
<<locked>>
81%
52663
83%
**71
100%
Norma 203B
<<locked>>
81%
47863
75%
**54
100%
[Norma 204]*
<<locked>>
81%
35389
55%
**21
91%
[Norma MRP]*
<<locked>>
83%
30269
47%
**72
90%
Norma URP
<<locked>>
81%
35853
56%
**57
97%
Ramshot Big Game
<<locked>>
81%
48269
76%
**71
100%
Ramshot Hunter
<<locked>>
81%
34780
54%
**44
95%
[Ramshot Magnum]*
<<locked>>
89%
32387
51%
**79
90%
ReloadSwiss RS 14
<<locked>>
87%
30487
48%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
46354
73%
**02
98%
ReloadSwiss RS 52
<<locked>>
81%
47543
75%
**64
100%
ReloadSwiss RS 60
<<locked>>
81%
38595
60%
**82
100%
ReloadSwiss RS 62
<<locked>>
81%
35578
56%
**77
97%
ReloadSwiss RS 70
<<locked>>
81%
34911
55%
**77
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
32663
51%
**31
90%
Rottweil R 902
<<locked>>
81%
49603
78%
**21
100%
Rottweil R 903
<<locked>>
81%
43120
68%
**59
100%
[Rottweil R 904]*
<<locked>>
85%
36405
57%
**15
90%
[Rottweil R 905]*
<<locked>>
84%
32750
51%
**82
90%
Rottweil R 907
<<locked>>
81%
40596
64%
**80
95%
SNPE Vectan SP 11
<<locked>>
81%
44092
69%
**05
100%
SNPE Vectan SP 9
<<locked>>
81%
51532
81%
**90
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
53040
83%
**08
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44483
70%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38450
60%
**08
95%
Shooters World Long Rifle
<<locked>>
81%
39262
62%
**61
97%
Shooters World Match Rifle
<<locked>>
81%
53272
83%
**97
100%
Shooters World Precision
<<locked>>
81%
47776
75%
**08
100%
Somchem S335
<<locked>>
81%
52634
82%
**05
100%
Somchem S355
<<locked>>
81%
43337
68%
**59
100%
[Somchem S361]*
<<locked>>
86%
38653
61%
**34
90%
Somchem S365
<<locked>>
81%
32213
50%
**11
99%
[Somchem S385]*
<<locked>>
81%
30168
47%
**90
90%
Vihtavuori N133
<<locked>>
81%
49893
78%
**46
100%
Vihtavuori N135
<<locked>>
81%
42192
66%
**84
100%
Vihtavuori N140
<<locked>>
81%
49124
77%
**92
100%
Vihtavuori N150
<<locked>>
81%
37173
58%
**15
100%
Vihtavuori N160
<<locked>>
81%
38870
61%
**87
98%
[Vihtavuori N165]*
<<locked>>
88%
31488
49%
**16
90%
Vihtavuori N540
<<locked>>
81%
48994
77%
**15
100%
Vihtavuori N550
<<locked>>
81%
39421
62%
**30
98%
[Vihtavuori N555]*
<<locked>>
81%
27905
44%
**97
94%
[Vihtavuori N560]*
<<locked>>
92%
38856
61%
**62
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36724
58%
**34
99%
Winchester 760
<<locked>>
81%
41263
65%
**75
96%
[Winchester StaBALL HD]*
<<locked>>
81%
22829
36%
**65
91%

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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