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Load data for .375 Rem. Ultra Mag + .375 | 300gr | Barnes Solid

Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.375 Rem. Ultra Mag + .375 | 300gr | Barnes Solid

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Barnes Solid
Manufacturer SKU:
37526
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.375 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B744_C557
Last updated:
2025-02-02

Load data for 0 loads in caliber .375 Rem. Ultra Mag with .375 | 300gr | Barnes Solid bullet and 0 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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".

  • No data yet

  • 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 2208
<<locked>>
88%
57421
90%
**43
100%
ADI AR 2209
<<locked>>
97%
53214
83%
**72
98%
ADI AR 2213
<<locked>>
97%
47572
75%
**07
95%
[ADI AR 2225]*
<<locked>>
97%
30806
48%
**98
92%
Accurate 2700
<<locked>>
89%
57174
90%
**03
99%
Accurate 3100
<<locked>>
97%
46789
73%
**44
99%
Accurate 4064
<<locked>>
86%
57072
89%
**13
100%
Accurate 4350
<<locked>>
94%
57217
90%
**02
100%
[Accurate MAGPRO]*
<<locked>>
97%
45281
71%
**00
93%
Alliant Power Pro 2000-MR
<<locked>>
84%
57159
90%
**61
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
57276
90%
**56
100%
Alliant Reloder-15
<<locked>>
85%
56753
89%
**62
100%
Alliant Reloder-16
<<locked>>
95%
57421
90%
**48
100%
Alliant Reloder-17
<<locked>>
90%
56927
89%
**51
100%
Alliant Reloder-19
<<locked>>
97%
52736
83%
**72
98%
Alliant Reloder-22
<<locked>>
97%
46441
73%
**16
97%
Alliant Reloder-23
<<locked>>
97%
43787
69%
**61
100%
Alliant Reloder-25
<<locked>>
97%
38479
60%
**92
98%
Alliant Reloder-26 👍
<<locked>>
97%
49719
78%
**31
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
47877
75%
**38
92%
Bofors RP15
<<locked>>
97%
42656
67%
**51
96%
Bofors RP3
<<locked>>
87%
57363
90%
**62
100%
[Bofors RP30]*
<<locked>>
97%
34766
54%
**10
92%
Bofors RP5
<<locked>>
97%
46441
73%
**16
97%
Bofors RP7
<<locked>>
91%
57406
90%
**56
99%
Hodgdon CFE223
<<locked>>
85%
57116
90%
**98
100%
Hodgdon H380
<<locked>>
86%
56898
89%
**62
100%
Hodgdon H414
<<locked>>
89%
56884
89%
**18
100%
Hodgdon H4350
<<locked>>
97%
57435
90%
**75
99%
[Hodgdon H4831]*
<<locked>>
97%
44135
69%
**05
94%
Hodgdon H4831 SC
<<locked>>
97%
49893
78%
**97
95%
Hodgdon Hybrid 100V
<<locked>>
97%
57000
89%
**69
100%
Hodgdon LVR
<<locked>>
92%
57203
90%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
97%
30806
48%
**98
92%
Hodgdon Superperformance 👍
<<locked>>
92%
56869
89%
**51
100%
Hodgdon VARGET
<<locked>>
88%
57290
90%
**46
100%
Hodgdon TrailBoss
<<locked>>
96%
34476
54%
**35
100%
IMR 3031
<<locked>>
85%
57435
90%
**20
100%
IMR 4064
<<locked>>
89%
57334
90%
**36
100%
IMR 4166 Enduron
<<locked>>
89%
57334
90%
**33
100%
IMR 4350
<<locked>>
95%
57087
89%
**66
99%
IMR 4451 Enduron
<<locked>>
90%
56782
89%
**49
99%
IMR 4831
<<locked>>
97%
53316
84%
**39
100%
IMR 4895
<<locked>>
84%
57145
90%
**75
100%
IMR 4955 Enduron
<<locked>>
97%
49371
77%
**61
96%
IMR 7828 SSC
<<locked>>
97%
49023
77%
**49
96%
Lovex S060
<<locked>>
83%
57000
89%
**97
100%
Lovex S062
<<locked>>
86%
56913
89%
**23
100%
Lovex S065
<<locked>>
92%
56855
89%
**49
100%
Lovex S070
<<locked>>
93%
56927
89%
**69
100%
Lovex S071
<<locked>>
97%
38667
61%
**16
98%
Norma 201
<<locked>>
83%
56971
89%
**10
100%
Norma 203B
<<locked>>
86%
57232
90%
**66
100%
Norma 204
<<locked>>
94%
57217
90%
**08
99%
Norma MRP
<<locked>>
97%
48776
76%
**82
99%
Norma URP
<<locked>>
94%
56797
89%
**02
100%
Ramshot Big Game
<<locked>>
85%
57101
89%
**75
100%
Ramshot Grand
<<locked>>
97%
51750
81%
**98
97%
Ramshot Hunter 👍
<<locked>>
95%
57203
90%
**25
100%
Ramshot Magnum
<<locked>>
97%
44556
70%
**64
97%
ReloadSwiss RS 14
<<locked>>
97%
35418
55%
**75
100%
ReloadSwiss RS 50
<<locked>>
87%
56985
89%
**49
100%
ReloadSwiss RS 60
<<locked>>
89%
57217
90%
**51
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
57203
90%
**31
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
57246
90%
**71
100%
ReloadSwiss RS 76
<<locked>>
97%
36869
58%
**85
95%
Rottweil R 902
<<locked>>
85%
57392
90%
**10
100%
Rottweil R 903
<<locked>>
89%
57116
89%
**49
100%
Rottweil R 904
<<locked>>
97%
55274
87%
**49
97%
Rottweil R 905
<<locked>>
97%
51764
81%
**52
98%
Rottweil R 907
<<locked>>
91%
57406
90%
**56
99%
SNPE Vectan SP 11
<<locked>>
88%
57305
90%
**85
100%
SNPE Vectan SP 9
<<locked>>
83%
57392
90%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
57145
90%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
57406
90%
**13
100%
Shooters World Long Rifle
<<locked>>
92%
56855
89%
**49
100%
Shooters World Precision
<<locked>>
86%
56913
89%
**23
100%
Somchem S355
<<locked>>
89%
57377
90%
**52
100%
Somchem S361
<<locked>>
97%
57072
89%
**46
97%
Somchem S365
<<locked>>
97%
57087
89%
**12
100%
Somchem S385
<<locked>>
97%
52257
82%
**33
99%
Vihtavuori N133
<<locked>>
85%
57348
90%
**21
100%
Vihtavuori N135
<<locked>>
90%
57130
90%
**64
100%
Vihtavuori N140
<<locked>>
85%
57029
89%
**80
100%
Vihtavuori N150
<<locked>>
94%
57188
90%
**10
100%
Vihtavuori N160
<<locked>>
92%
57334
90%
**66
100%
Vihtavuori N165
<<locked>>
97%
43627
68%
**82
97%
Vihtavuori N540
<<locked>>
85%
56985
89%
**07
100%
Vihtavuori N550
<<locked>>
91%
57072
89%
**05
100%
Vihtavuori N555
<<locked>>
97%
48704
76%
**30
100%
Vihtavuori N560
<<locked>>
97%
46702
73%
**30
95%
[Vihtavuori N565]*
<<locked>>
97%
39073
61%
**88
93%
Winchester 6.5 StaBALL
<<locked>>
93%
57348
90%
**49
100%
Winchester 760
<<locked>>
89%
56884
89%
**18
100%
Winchester StaBALL HD
<<locked>>
97%
37420
59%
**10
100%
Winchester Supreme 780
<<locked>>
97%
54186
85%
**46
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46311
73%
**92
100%
[ADI AR 2209]*
<<locked>>
81%
31923
50%
**78
91%
[ADI AR 2213]*
<<locked>>
87%
34243
54%
**44
90%
[ADI AR 2225]*
<<locked>>
95%
28790
45%
**42
90%
Accurate 2700
<<locked>>
81%
44672
70%
**26
97%
[Accurate 3100]*
<<locked>>
81%
27079
42%
**60
93%
Accurate 4064
<<locked>>
81%
49066
77%
**08
100%
Accurate 4350
<<locked>>
81%
37086
58%
**93
98%
[Accurate MAGPRO]*
<<locked>>
92%
38189
60%
**62
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
50923
80%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
46528
73%
**11
100%
Alliant Reloder-15
<<locked>>
81%
49951
78%
**74
100%
Alliant Reloder-16
<<locked>>
81%
36390
57%
**06
99%
Alliant Reloder-17
<<locked>>
81%
41017
64%
**11
100%
[Alliant Reloder-19]*
<<locked>>
81%
31662
50%
**72
91%
[Alliant Reloder-22]*
<<locked>>
83%
29762
47%
**65
90%
Alliant Reloder-23
<<locked>>
81%
26484
42%
**87
96%
[Alliant Reloder-25]*
<<locked>>
82%
24642
39%
**28
90%
Alliant Reloder-26
<<locked>>
81%
28195
44%
**82
95%
[Baschieri & Pellagri 109]*
<<locked>>
94%
43918
69%
**65
90%
[Bofors RP15]*
<<locked>>
86%
30081
47%
**72
90%
Bofors RP3
<<locked>>
81%
46891
73%
**21
100%
[Bofors RP30]*
<<locked>>
94%
31894
50%
**41
90%
[Bofors RP5]*
<<locked>>
83%
29762
47%
**65
90%
Bofors RP7
<<locked>>
81%
41495
65%
**06
97%
Hodgdon CFE223
<<locked>>
81%
48965
77%
**90
100%
Hodgdon H380
<<locked>>
81%
47703
75%
**38
100%
Hodgdon H414
<<locked>>
81%
42699
67%
**02
98%
[Hodgdon H4350]*
<<locked>>
81%
35288
55%
**08
94%
[Hodgdon H4831]*
<<locked>>
90%
35360
55%
**34
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
35360
55%
**34
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33895
53%
**15
99%
Hodgdon LVR
<<locked>>
81%
39958
63%
**43
99%
[Hodgdon Retumbo]*
<<locked>>
95%
28790
45%
**42
90%
Hodgdon Superperformance
<<locked>>
81%
38247
60%
**46
96%
Hodgdon VARGET
<<locked>>
81%
46079
72%
**85
100%
Hodgdon TrailBoss
<<locked>>
90%
31618
50%
**83
100%
IMR 3031
<<locked>>
81%
51169
80%
**48
100%
IMR 4064
<<locked>>
81%
45498
71%
**65
100%
IMR 4166 Enduron
<<locked>>
81%
44817
70%
**46
98%
IMR 4350
<<locked>>
81%
37144
58%
**47
95%
IMR 4451 Enduron
<<locked>>
81%
43047
67%
**39
97%
IMR 4831
<<locked>>
81%
32401
51%
**82
97%
IMR 4895
<<locked>>
81%
51155
80%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
85%
34243
54%
**82
90%
[IMR 7828 SSC]*
<<locked>>
86%
34374
54%
**57
90%
Lovex S060
<<locked>>
81%
53432
84%
**51
100%
Lovex S062
<<locked>>
81%
48820
76%
**15
100%
Lovex S065
<<locked>>
81%
40466
63%
**97
98%
Lovex S070
<<locked>>
81%
38450
60%
**74
97%
[Lovex S071]*
<<locked>>
81%
23482
37%
**59
90%
Norma 201
<<locked>>
81%
53403
84%
**70
100%
Norma 203B
<<locked>>
81%
49313
77%
**61
100%
[Norma 204]*
<<locked>>
81%
36506
57%
**64
93%
[Norma MRP]*
<<locked>>
81%
28660
45%
**59
91%
Norma URP
<<locked>>
81%
37014
58%
**93
98%
Ramshot Big Game
<<locked>>
81%
49690
78%
**80
100%
[Ramshot Grand]*
<<locked>>
85%
33750
53%
**54
90%
Ramshot Hunter
<<locked>>
81%
35955
56%
**83
97%
[Ramshot Magnum]*
<<locked>>
85%
29051
46%
**26
90%
ReloadSwiss RS 14
<<locked>>
86%
30313
47%
**83
100%
ReloadSwiss RS 50
<<locked>>
81%
47543
75%
**18
99%
ReloadSwiss RS 60
<<locked>>
81%
43729
69%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
36738
58%
**13
98%
ReloadSwiss RS 70
<<locked>>
81%
35940
56%
**16
98%
[ReloadSwiss RS 76]*
<<locked>>
90%
29588
46%
**92
90%
Rottweil R 902
<<locked>>
81%
50778
80%
**25
100%
Rottweil R 903
<<locked>>
81%
44251
69%
**75
100%
[Rottweil R 904]*
<<locked>>
81%
33228
52%
**65
90%
[Rottweil R 905]*
<<locked>>
81%
30589
48%
**59
91%
Rottweil R 907
<<locked>>
81%
41495
65%
**06
97%
SNPE Vectan SP 11
<<locked>>
81%
45382
71%
**21
100%
SNPE Vectan SP 9
<<locked>>
81%
53098
83%
**97
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45629
72%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39552
62%
**44
97%
Shooters World Long Rifle
<<locked>>
81%
40466
63%
**97
98%
Shooters World Precision
<<locked>>
81%
48820
76%
**15
100%
Somchem S355
<<locked>>
81%
44715
70%
**75
100%
[Somchem S361]*
<<locked>>
82%
34679
54%
**72
90%
Somchem S365
<<locked>>
81%
33373
52%
**57
100%
[Somchem S385]*
<<locked>>
81%
31009
49%
**46
93%
Vihtavuori N133
<<locked>>
81%
51285
80%
**49
100%
Vihtavuori N135
<<locked>>
81%
43497
68%
**90
100%
Vihtavuori N140
<<locked>>
81%
50604
79%
**02
100%
Vihtavuori N150
<<locked>>
81%
38130
60%
**38
100%
Vihtavuori N160
<<locked>>
81%
40030
63%
**20
99%
[Vihtavuori N165]*
<<locked>>
83%
28050
44%
**60
90%
Vihtavuori N540
<<locked>>
81%
50154
79%
**21
100%
Vihtavuori N550
<<locked>>
81%
40741
64%
**56
99%
Vihtavuori N555
<<locked>>
81%
29095
46%
**59
97%
[Vihtavuori N560]*
<<locked>>
88%
34766
54%
**87
90%
[Vihtavuori N565]*
<<locked>>
92%
33040
52%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37565
59%
**64
100%
Winchester 760
<<locked>>
81%
42699
67%
**02
98%
Winchester StaBALL HD
<<locked>>
81%
23496
37%
**57
95%
[Winchester Supreme 780]*
<<locked>>
81%
30908
48%
**36
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.

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

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