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Load data for .375 Rem. Ultra Mag + .375 | 350gr | Woodleigh RN SN

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma 204, Norma MRP, Rottweil R 905

.375 Rem. Ultra Mag + .375 | 350gr | Woodleigh RN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 350gr | Woodleigh RN SN
Manufacturer SKU:
46BHD
Bullet Weight:
350gr | 22.7g
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_B12065_C557
Last updated:
2026-01-22

Load data for 164 loads in caliber .375 Rem. Ultra Mag with .375 | 350gr | Woodleigh RN SN bullet and 82 powders such as ADI AR 2209, Alliant Reloder-19, Norma 204, Norma MRP, Rottweil R 905. 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 2208
<<locked>>
84%
57319
90%
**59
100%
ADI AR 2209 👍
<<locked>>
95%
57116
89%
**57
100%
ADI AR 2213
<<locked>>
97%
54099
85%
**51
99%
ADI AR 2217
<<locked>>
97%
39552
62%
**11
96%
ADI AR 2225
<<locked>>
97%
34853
55%
**75
97%
Accurate 2700
<<locked>>
85%
57014
89%
**36
100%
Accurate 3100
<<locked>>
97%
53563
84%
**65
100%
Accurate 4350
<<locked>>
90%
56985
89%
**18
100%
Accurate MAGPRO
<<locked>>
97%
52518
82%
**51
97%
Alliant Reloder- TS 15.5
<<locked>>
84%
56826
89%
**59
100%
Alliant Reloder-16
<<locked>>
91%
57203
90%
**54
100%
Alliant Reloder-17
<<locked>>
86%
57188
90%
**54
100%
Alliant Reloder-19 👍
<<locked>>
96%
57348
90%
**57
100%
Alliant Reloder-22
<<locked>>
97%
53505
84%
**44
100%
Alliant Reloder-23
<<locked>>
97%
50662
79%
**82
100%
Alliant Reloder-25
<<locked>>
97%
44193
69%
**36
100%
Alliant Reloder-26
<<locked>>
96%
57363
90%
**33
100%
Baschieri & Pellagri 109
<<locked>>
97%
53214
83%
**75
96%
Bofors RP15
<<locked>>
97%
49255
77%
**85
99%
Bofors RP3
<<locked>>
83%
57174
90%
**69
100%
Bofors RP30
<<locked>>
97%
39972
63%
**67
97%
Bofors RP5
<<locked>>
97%
53505
84%
**44
100%
Bofors RP7
<<locked>>
88%
56710
89%
**72
100%
Hodgdon H1000
<<locked>>
97%
39552
62%
**11
96%
Hodgdon H380
<<locked>>
83%
57203
90%
**85
100%
Hodgdon H414
<<locked>>
86%
56913
89%
**38
100%
Hodgdon H4350
<<locked>>
93%
57290
90%
**98
100%
Hodgdon H4831
<<locked>>
97%
50024
78%
**43
98%
Hodgdon H4831 SC
<<locked>>
97%
56782
89%
**31
99%
Hodgdon Hybrid 100V
<<locked>>
93%
57261
90%
**79
100%
Hodgdon LVR
<<locked>>
88%
57246
90%
**15
100%
Hodgdon Retumbo
<<locked>>
97%
34853
55%
**75
97%
Hodgdon Superperformance
<<locked>>
88%
57421
90%
**70
100%
Hodgdon VARGET
<<locked>>
85%
56898
89%
**52
100%
IMR 4064
<<locked>>
85%
57116
89%
**46
100%
IMR 4166 Enduron
<<locked>>
86%
57406
90%
**56
100%
IMR 4350
<<locked>>
91%
56942
89%
**92
100%
IMR 4451 Enduron
<<locked>>
87%
57000
89%
**75
100%
IMR 4831
<<locked>>
95%
57363
90%
**05
100%
IMR 4955 Enduron
<<locked>>
97%
55376
87%
**82
98%
IMR 7828 SSC
<<locked>>
97%
56086
88%
**87
99%
[IMR 8133 Enduron]*
<<locked>>
97%
31183
49%
**96
92%
Lovex S065
<<locked>>
89%
57072
89%
**72
100%
Lovex S070
<<locked>>
90%
57406
90%
**98
100%
Lovex S071
<<locked>>
97%
44947
70%
**51
100%
Norma 204 👍
<<locked>>
91%
57130
90%
**34
100%
Norma 217
<<locked>>
97%
31067
49%
**23
95%
Norma MRP 👍
<<locked>>
97%
56826
89%
**16
100%
Norma URP
<<locked>>
90%
56942
89%
**18
100%
Ramshot Grand
<<locked>>
96%
56971
89%
**10
99%
Ramshot Hunter
<<locked>>
91%
56956
89%
**38
100%
Ramshot Magnum
<<locked>>
97%
52156
82%
**18
100%
ReloadSwiss RS 50
<<locked>>
83%
57174
90%
**79
100%
ReloadSwiss RS 60
<<locked>>
85%
57246
90%
**48
100%
ReloadSwiss RS 62
<<locked>>
90%
56898
89%
**34
100%
ReloadSwiss RS 70
<<locked>>
91%
57348
90%
**87
100%
ReloadSwiss RS 76
<<locked>>
97%
42670
67%
**65
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38145
60%
**57
94%
Rottweil R 903
<<locked>>
85%
57130
90%
**59
100%
Rottweil R 904
<<locked>>
94%
57348
90%
**08
99%
Rottweil R 905 👍
<<locked>>
96%
57116
89%
**54
100%
Rottweil R 907
<<locked>>
88%
56710
89%
**72
100%
SNPE Vectan SP 11
<<locked>>
84%
57159
90%
**98
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57188
90%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57421
90%
**43
100%
Shooters World Long Rifle
<<locked>>
89%
57072
89%
**72
100%
Somchem S355
<<locked>>
85%
56927
89%
**62
100%
Somchem S361
<<locked>>
93%
57217
90%
**88
99%
Somchem S365
<<locked>>
92%
56942
89%
**18
100%
Somchem S385
<<locked>>
95%
57043
89%
**18
100%
Vihtavuori N135
<<locked>>
86%
57043
89%
**74
100%
Vihtavuori N150
<<locked>>
90%
57058
89%
**26
100%
Vihtavuori N160
<<locked>>
88%
57421
90%
**88
100%
Vihtavuori N165
<<locked>>
97%
49937
78%
**16
99%
Vihtavuori N550
<<locked>>
88%
56869
89%
**21
100%
Vihtavuori N555
<<locked>>
97%
56507
89%
**38
100%
Vihtavuori N560
<<locked>>
97%
53911
84%
**74
99%
Vihtavuori N565
<<locked>>
97%
45905
72%
**46
97%
[Vihtavuori N568]*
<<locked>>
97%
39813
62%
**74
94%
Winchester 6.5 StaBALL
<<locked>>
90%
57072
89%
**62
100%
Winchester 760
<<locked>>
86%
56913
89%
**38
100%
Winchester StaBALL HD
<<locked>>
97%
46717
73%
**44
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51343
80%
**87
100%
ADI AR 2209
<<locked>>
81%
35998
56%
**23
96%
[ADI AR 2213]*
<<locked>>
81%
31995
50%
**54
92%
[ADI AR 2217]*
<<locked>>
88%
29414
46%
**88
90%
[ADI AR 2225]*
<<locked>>
85%
24627
39%
**03
90%
Accurate 2700
<<locked>>
81%
49676
78%
**41
99%
Accurate 3100
<<locked>>
81%
31560
49%
**18
97%
Accurate 4350
<<locked>>
81%
42743
67%
**28
100%
[Accurate MAGPRO]*
<<locked>>
83%
32489
51%
**93
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52127
82%
**06
100%
Alliant Reloder-16
<<locked>>
81%
41220
65%
**34
100%
Alliant Reloder-17
<<locked>>
81%
47065
74%
**29
100%
Alliant Reloder-19
<<locked>>
81%
35839
56%
**19
96%
[Alliant Reloder-22]*
<<locked>>
81%
31604
50%
**70
94%
Alliant Reloder-23
<<locked>>
81%
30327
48%
**44
100%
Alliant Reloder-25
<<locked>>
81%
26745
42%
**65
95%
Alliant Reloder-26
<<locked>>
81%
32750
51%
**56
99%
[Baschieri & Pellagri 109]*
<<locked>>
85%
36927
58%
**93
90%
[Bofors RP15]*
<<locked>>
81%
29501
46%
**14
93%
Bofors RP3
<<locked>>
81%
52910
83%
**20
100%
[Bofors RP30]*
<<locked>>
85%
27166
43%
**85
90%
[Bofors RP5]*
<<locked>>
81%
31604
50%
**70
94%
Bofors RP7
<<locked>>
81%
46238
72%
**28
99%
[Hodgdon H1000]*
<<locked>>
88%
29414
46%
**88
90%
Hodgdon H380
<<locked>>
81%
53040
83%
**33
100%
Hodgdon H414
<<locked>>
81%
48298
76%
**26
100%
Hodgdon H4350
<<locked>>
81%
39668
62%
**39
98%
[Hodgdon H4831]*
<<locked>>
81%
30327
48%
**78
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33504
52%
**54
92%
Hodgdon Hybrid 100V
<<locked>>
81%
38856
61%
**39
100%
Hodgdon LVR
<<locked>>
81%
45339
71%
**64
100%
[Hodgdon Retumbo]*
<<locked>>
85%
24627
39%
**03
90%
Hodgdon Superperformance
<<locked>>
81%
43700
68%
**87
99%
Hodgdon VARGET
<<locked>>
81%
51097
80%
**87
100%
IMR 4064
<<locked>>
81%
50531
79%
**67
100%
IMR 4166 Enduron
<<locked>>
81%
49414
77%
**51
100%
IMR 4350
<<locked>>
81%
41742
65%
**75
98%
IMR 4451 Enduron
<<locked>>
81%
47514
74%
**51
99%
IMR 4831
<<locked>>
81%
37086
58%
**19
100%
[IMR 4955 Enduron]*
<<locked>>
81%
34055
53%
**34
93%
[IMR 7828 SSC]*
<<locked>>
81%
32547
51%
**80
92%
[IMR 8133 Enduron]*
<<locked>>
94%
28616
45%
**34
90%
Lovex S065
<<locked>>
81%
45208
71%
**11
100%
Lovex S070
<<locked>>
81%
43236
68%
**01
99%
Lovex S071
<<locked>>
81%
27035
42%
**13
95%
Norma 204
<<locked>>
81%
41423
65%
**08
97%
[Norma 217]*
<<locked>>
89%
24584
39%
**36
90%
Norma MRP
<<locked>>
81%
32924
52%
**26
96%
Norma URP
<<locked>>
81%
42206
66%
**21
100%
[Ramshot Grand]*
<<locked>>
81%
33431
52%
**13
93%
Ramshot Hunter
<<locked>>
81%
40930
64%
**18
99%
[Ramshot Magnum]*
<<locked>>
81%
28921
45%
**98
93%
ReloadSwiss RS 50
<<locked>>
81%
53026
83%
**26
100%
ReloadSwiss RS 60
<<locked>>
81%
50082
78%
**65
100%
ReloadSwiss RS 62
<<locked>>
81%
42467
67%
**44
100%
ReloadSwiss RS 70
<<locked>>
81%
40944
64%
**57
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
24976
39%
**36
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
31444
49%
**13
90%
Rottweil R 903
<<locked>>
81%
49966
78%
**77
100%
Rottweil R 904
<<locked>>
81%
37289
58%
**06
95%
Rottweil R 905
<<locked>>
81%
35070
55%
**06
96%
Rottweil R 907
<<locked>>
81%
46238
72%
**28
99%
SNPE Vectan SP 11
<<locked>>
81%
51227
80%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50517
79%
**78
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44077
69%
**65
99%
Shooters World Long Rifle
<<locked>>
81%
45208
71%
**11
100%
Somchem S355
<<locked>>
81%
50082
78%
**74
100%
[Somchem S361]*
<<locked>>
81%
37898
59%
**96
94%
Somchem S365
<<locked>>
81%
38783
61%
**82
100%
Somchem S385
<<locked>>
81%
35549
56%
**90
97%
Vihtavuori N135
<<locked>>
81%
48718
76%
**78
100%
Vihtavuori N150
<<locked>>
81%
42844
67%
**46
100%
Vihtavuori N160
<<locked>>
81%
45455
71%
**34
100%
[Vihtavuori N165]*
<<locked>>
81%
29878
47%
**69
94%
Vihtavuori N550
<<locked>>
81%
45818
72%
**74
100%
Vihtavuori N555
<<locked>>
81%
34040
53%
**10
99%
[Vihtavuori N560]*
<<locked>>
81%
31720
50%
**73
91%
[Vihtavuori N565]*
<<locked>>
83%
28253
44%
**01
90%
[Vihtavuori N568]*
<<locked>>
91%
32518
51%
**16
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42496
67%
**82
100%
Winchester 760
<<locked>>
81%
48298
76%
**26
100%
Winchester StaBALL HD
<<locked>>
81%
24656
39%
**57
100%

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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