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

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.375 Rem. Ultra Mag + .375 | 350gr | Woodleigh FMJ

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 350gr | Woodleigh FMJ
Manufacturer SKU:
46D
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_B12125_C557
Last updated:
2026-01-20

Load data for 166 loads in caliber .375 Rem. Ultra Mag with .375 | 350gr | Woodleigh FMJ bullet and 83 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, 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
85%
89%
100%
ADI AR 2209
96%
89%
100%
ADI AR 2213
97%
83%
99%
ADI AR 2217
97%
61%
95%
ADI AR 2225
97%
54%
97%
Accurate 2700
86%
90%
100%
Accurate 3100
97%
82%
100%
Accurate 4350
90%
89%
100%
Accurate MAGPRO
97%
80%
97%
Alliant Reloder- TS 15.5
84%
90%
100%
Alliant Reloder-16
92%
89%
100%
Alliant Reloder-17
87%
89%
100%
Alliant Reloder-19
96%
89%
100%
Alliant Reloder-22
97%
82%
99%
Alliant Reloder-23
97%
77%
100%
Alliant Reloder-25
97%
67%
100%
Alliant Reloder-26
97%
90%
100%
Baschieri & Pellagri 109
97%
82%
95%
Bofors RP15
97%
75%
99%
Bofors RP3
84%
89%
100%
Bofors RP30
97%
61%
96%
Bofors RP5
97%
82%
99%
Bofors RP7
88%
90%
100%
Hodgdon H1000
97%
61%
95%
Hodgdon H380
84%
90%
100%
Hodgdon H414
86%
89%
100%
Hodgdon H4350
94%
90%
100%
Hodgdon H4831
97%
77%
97%
Hodgdon H4831 SC
97%
87%
98%
Hodgdon Hybrid 100V
94%
90%
100%
Hodgdon LVR
89%
89%
100%
Hodgdon Retumbo
97%
54%
97%
Hodgdon Superperformance
89%
90%
100%
Hodgdon VARGET
85%
90%
100%
IMR 4064
85%
89%
100%
IMR 4166 Enduron
86%
90%
100%
IMR 4350
92%
90%
100%
IMR 4451 Enduron
88%
90%
100%
IMR 4831
96%
90%
100%
IMR 4955 Enduron
97%
85%
98%
IMR 7828 SSC
97%
86%
99%
Lovex S062
83%
89%
100%
Lovex S065
89%
89%
100%
Lovex S070
91%
90%
100%
Lovex S071
97%
69%
100%
Norma 204
91%
89%
100%
Norma 217
97%
47%
94%
Norma MRP
97%
86%
100%
Norma URP
91%
89%
100%
Ramshot Grand
96%
89%
99%
Ramshot Hunter
92%
90%
100%
Ramshot Magnum
97%
80%
100%
ReloadSwiss RS 50
84%
89%
100%
ReloadSwiss RS 60
85%
90%
100%
ReloadSwiss RS 62
90%
89%
100%
ReloadSwiss RS 70
91%
89%
100%
ReloadSwiss RS 76
97%
65%
99%
ReloadSwiss RS 80
97%
58%
93%
Rottweil R 903
86%
89%
100%
Rottweil R 904
95%
90%
99%
Rottweil R 905
96%
89%
100%
Rottweil R 907
88%
90%
100%
SNPE Vectan SP 11
85%
90%
100%
SNPE Vectan Tubal 5000
86%
90%
100%
SNPE Vectan Tubal 7000
89%
89%
100%
Shooters World Long Rifle
89%
89%
100%
Shooters World Precision
83%
89%
100%
Somchem S355
86%
90%
100%
Somchem S361
94%
90%
98%
Somchem S365
93%
90%
100%
Somchem S385
96%
89%
100%
Vihtavuori N135
87%
90%
100%
Vihtavuori N150
91%
90%
100%
Vihtavuori N160
88%
89%
100%
Vihtavuori N165
97%
77%
99%
Vihtavuori N550
88%
89%
100%
Vihtavuori N555
97%
86%
100%
Vihtavuori N560
97%
82%
98%
Vihtavuori N565
97%
70%
97%
Vihtavuori N568
97%
61%
93%
Winchester 6.5 StaBALL
90%
89%
100%
Winchester 760
86%
89%
100%
Winchester StaBALL HD
97%
70%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50517
79%
**70
100%
ADI AR 2209
<<locked>>
81%
35273
55%
**03
95%
[ADI AR 2213]*
<<locked>>
81%
31386
49%
**34
91%
[ADI AR 2217]*
<<locked>>
89%
29936
47%
**95
90%
[ADI AR 2225]*
<<locked>>
86%
24743
39%
**96
90%
Accurate 2700
<<locked>>
81%
48733
76%
**24
99%
Accurate 3100
<<locked>>
81%
30806
48%
**95
97%
Accurate 4350
<<locked>>
81%
41800
66%
**08
100%
[Accurate MAGPRO]*
<<locked>>
84%
32793
51%
**96
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51256
80%
**90
100%
Alliant Reloder-16
<<locked>>
81%
40422
63%
**15
100%
Alliant Reloder-17
<<locked>>
81%
46180
72%
**16
100%
Alliant Reloder-19
<<locked>>
81%
35114
55%
**00
95%
[Alliant Reloder-22]*
<<locked>>
81%
30937
48%
**51
94%
Alliant Reloder-23
<<locked>>
81%
29704
47%
**24
99%
Alliant Reloder-25
<<locked>>
81%
26078
41%
**39
95%
Alliant Reloder-26
<<locked>>
81%
31937
50%
**33
98%
[Baschieri & Pellagri 109]*
<<locked>>
86%
37913
59%
**06
90%
[Bofors RP15]*
<<locked>>
81%
28935
45%
**95
92%
Bofors RP3
<<locked>>
81%
52083
82%
**06
100%
[Bofors RP30]*
<<locked>>
86%
27601
43%
**88
90%
[Bofors RP5]*
<<locked>>
81%
30937
48%
**51
94%
Bofors RP7
<<locked>>
81%
45498
71%
**08
99%
[Hodgdon H1000]*
<<locked>>
89%
29936
47%
**95
90%
Hodgdon H380
<<locked>>
81%
52301
82%
**20
100%
Hodgdon H414
<<locked>>
81%
47514
74%
**06
99%
Hodgdon H4350
<<locked>>
81%
38986
61%
**23
97%
[Hodgdon H4831]*
<<locked>>
82%
30342
48%
**78
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32967
52%
**37
92%
Hodgdon Hybrid 100V
<<locked>>
81%
38029
60%
**23
100%
Hodgdon LVR
<<locked>>
81%
44556
70%
**41
100%
[Hodgdon Retumbo]*
<<locked>>
86%
24743
39%
**96
90%
Hodgdon Superperformance
<<locked>>
81%
42482
67%
**64
99%
Hodgdon VARGET
<<locked>>
81%
50270
79%
**67
100%
IMR 4064
<<locked>>
81%
49748
78%
**51
100%
IMR 4166 Enduron
<<locked>>
81%
48617
76%
**31
99%
IMR 4350
<<locked>>
81%
40727
64%
**52
98%
IMR 4451 Enduron
<<locked>>
81%
46804
73%
**34
99%
IMR 4831
<<locked>>
81%
36274
57%
**03
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33446
52%
**14
92%
[IMR 7828 SSC]*
<<locked>>
81%
31952
50%
**60
92%
Lovex S062
<<locked>>
81%
53447
84%
**83
100%
Lovex S065
<<locked>>
81%
44353
69%
**92
100%
Lovex S070
<<locked>>
81%
42525
67%
**82
99%
Lovex S071
<<locked>>
81%
26556
42%
**00
95%
Norma 204
<<locked>>
81%
40451
63%
**82
97%
[Norma 217]*
<<locked>>
91%
24932
39%
**42
90%
Norma MRP
<<locked>>
81%
32082
50%
**03
96%
Norma URP
<<locked>>
81%
41423
65%
**01
100%
[Ramshot Grand]*
<<locked>>
81%
32706
51%
**93
93%
Ramshot Hunter
<<locked>>
81%
40161
63%
**98
99%
[Ramshot Magnum]*
<<locked>>
81%
28311
44%
**78
93%
ReloadSwiss RS 50
<<locked>>
81%
52112
82%
**10
100%
ReloadSwiss RS 60
<<locked>>
81%
49008
77%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
41408
65%
**24
100%
ReloadSwiss RS 70
<<locked>>
81%
40030
63%
**41
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
25208
40%
**32
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
31691
50%
**10
90%
Rottweil R 903
<<locked>>
81%
48965
77%
**60
100%
[Rottweil R 904]*
<<locked>>
81%
36521
57%
**83
94%
Rottweil R 905
<<locked>>
81%
34156
54%
**83
95%
Rottweil R 907
<<locked>>
81%
45498
71%
**08
99%
SNPE Vectan SP 11
<<locked>>
81%
50096
79%
**03
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50009
78%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43424
68%
**49
99%
Shooters World Long Rifle
<<locked>>
81%
44353
69%
**92
100%
Shooters World Precision
<<locked>>
81%
53447
84%
**83
100%
Somchem S355
<<locked>>
81%
49110
77%
**54
100%
[Somchem S361]*
<<locked>>
81%
37144
58%
**73
94%
Somchem S365
<<locked>>
81%
37695
59%
**62
100%
Somchem S385
<<locked>>
81%
34925
55%
**73
96%
Vihtavuori N135
<<locked>>
81%
47761
75%
**65
100%
Vihtavuori N150
<<locked>>
81%
42235
66%
**29
100%
Vihtavuori N160
<<locked>>
81%
44367
70%
**15
100%
[Vihtavuori N165]*
<<locked>>
81%
29312
46%
**49
93%
Vihtavuori N550
<<locked>>
81%
45092
71%
**57
100%
Vihtavuori N555
<<locked>>
81%
33141
52%
**87
99%
[Vihtavuori N560]*
<<locked>>
81%
31096
49%
**54
91%
[Vihtavuori N565]*
<<locked>>
84%
28398
45%
**01
90%
[Vihtavuori N568]*
<<locked>>
92%
32996
52%
**26
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41640
65%
**65
100%
Winchester 760
<<locked>>
81%
47514
74%
**06
99%
Winchester StaBALL HD
<<locked>>
81%
26266
41%
**28
99%

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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