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Load data for .375 Rem. Ultra Mag + .375 | 260gr | Nosler Partition SP

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

.375 Rem. Ultra Mag + .375 | 260gr | Nosler Partition SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 260gr | Nosler Partition SP
Manufacturer SKU:
44850
Bullet Weight:
260gr | 16.8g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.145" | 29.1mm
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:
0.449" | 11.4mm
Shank Seated Depth:
0.449" | 11.4mm
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_B4180_C557
Last updated:
2025-01-01

Load data for 184 loads in caliber .375 Rem. Ultra Mag with .375 | 260gr | Nosler Partition SP bullet and 92 powders such as Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760. 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 2206H
<<locked>>
84%
56971
89%
**43
100%
ADI AR 2208
<<locked>>
89%
56826
89%
**26
100%
ADI AR 2209
<<locked>>
97%
50763
80%
**17
97%
[ADI AR 2213]*
<<locked>>
97%
45498
71%
**41
93%
Accurate 2700
<<locked>>
90%
57392
90%
**90
98%
Accurate 3100
<<locked>>
97%
43961
69%
**69
98%
Accurate 4064
<<locked>>
87%
56884
89%
**03
100%
Accurate 4350
<<locked>>
95%
57319
90%
**95
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
56971
89%
**46
100%
Alliant Reloder-15
<<locked>>
87%
57058
89%
**66
100%
Alliant Reloder-16 👍
<<locked>>
97%
57174
90%
**41
100%
Alliant Reloder-17
<<locked>>
92%
57232
90%
**48
100%
Alliant Reloder-19
<<locked>>
97%
49879
78%
**07
97%
Alliant Reloder-22
<<locked>>
97%
44034
69%
**41
95%
Alliant Reloder-23
<<locked>>
97%
41524
65%
**95
100%
Alliant Reloder-25
<<locked>>
97%
36564
57%
**00
96%
Alliant Reloder-26
<<locked>>
97%
46470
73%
**53
99%
Baschieri & Pellagri 107
<<locked>>
84%
57072
89%
**66
100%
Hodgdon CFE223
<<locked>>
87%
57246
90%
**99
100%
Hodgdon H380
<<locked>>
88%
57101
89%
**56
100%
Hodgdon H414 👍
<<locked>>
91%
57145
90%
**15
99%
Hodgdon H4350
<<locked>>
97%
55172
86%
**26
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
47703
75%
**28
93%
Hodgdon Hybrid 100V
<<locked>>
97%
54085
85%
**23
100%
Hodgdon LVR
<<locked>>
93%
57043
89%
**92
100%
Hodgdon Superperformance
<<locked>>
93%
57145
90%
**38
99%
Hodgdon VARGET
<<locked>>
89%
56826
89%
**26
100%
Hodgdon TrailBoss
<<locked>>
97%
34650
54%
**73
100%
IMR 3031
<<locked>>
86%
56985
89%
**17
100%
IMR 4064
<<locked>>
90%
57261
90%
**26
100%
IMR 4166 Enduron
<<locked>>
90%
57116
90%
**10
99%
IMR 4350
<<locked>>
96%
57217
90%
**49
99%
IMR 4451 Enduron
<<locked>>
91%
56884
89%
**36
99%
IMR 4831
<<locked>>
97%
50792
80%
**90
100%
IMR 4895
<<locked>>
86%
57406
90%
**72
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47355
74%
**92
94%
[IMR 7828 SSC]*
<<locked>>
97%
46572
73%
**67
94%
Lovex D073.6
<<locked>>
83%
56855
89%
**17
100%
Lovex S060
<<locked>>
84%
57101
89%
**90
100%
Lovex S062
<<locked>>
87%
57014
89%
**17
100%
Lovex S065
<<locked>>
94%
56855
89%
**36
100%
Lovex S070
<<locked>>
95%
57000
89%
**59
99%
Lovex S071
<<locked>>
97%
36680
57%
**34
96%
Norma 201
<<locked>>
85%
57421
90%
**13
100%
Norma 202
<<locked>>
84%
57290
90%
**03
100%
Norma 203B
<<locked>>
87%
57406
90%
**66
100%
Norma 204
<<locked>>
96%
57072
89%
**89
98%
Norma MRP
<<locked>>
97%
46282
73%
**17
97%
Norma URP
<<locked>>
96%
57203
90%
**99
100%
Ramshot Big Game
<<locked>>
86%
56956
89%
**69
100%
Ramshot Hunter
<<locked>>
97%
57290
90%
**15
100%
Ramshot Magnum
<<locked>>
97%
42699
67%
**92
95%
ReloadSwiss RS 14
<<locked>>
96%
34824
55%
**03
100%
ReloadSwiss RS 50
<<locked>>
88%
56782
89%
**33
99%
ReloadSwiss RS 52
<<locked>>
87%
57232
90%
**72
100%
ReloadSwiss RS 60
<<locked>>
93%
57116
90%
**64
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
56985
89%
**18
100%
ReloadSwiss RS 70 👍
<<locked>>
96%
57159
90%
**64
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
35157
55%
**77
92%
Rottweil R 902
<<locked>>
86%
57334
90%
**03
100%
Rottweil R 903
<<locked>>
90%
57276
90%
**43
100%
Rottweil R 904
<<locked>>
97%
52634
82%
**94
96%
Rottweil R 905
<<locked>>
97%
49081
77%
**94
97%
Rottweil R 907
<<locked>>
92%
56840
89%
**33
99%
SNPE Vectan SP 11
<<locked>>
89%
56985
89%
**76
100%
SNPE Vectan SP 7
<<locked>>
83%
57174
90%
**30
100%
SNPE Vectan SP 9
<<locked>>
85%
57203
90%
**40
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
57392
90%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
57145
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
56884
89%
**87
99%
Shooters World Long Rifle
<<locked>>
94%
56855
89%
**36
100%
Shooters World Match Rifle
<<locked>>
83%
56855
89%
**17
100%
Shooters World Precision
<<locked>>
87%
57014
89%
**17
100%
Somchem S335
<<locked>>
84%
56927
89%
**35
100%
Somchem S341
<<locked>>
83%
56826
89%
**20
100%
Somchem S355
<<locked>>
90%
56985
89%
**40
100%
Somchem S361
<<locked>>
97%
54259
85%
**77
95%
Somchem S365
<<locked>>
97%
53896
84%
**76
100%
Somchem S385
<<locked>>
97%
49821
78%
**71
97%
Vihtavuori N133
<<locked>>
86%
56985
89%
**12
100%
Vihtavuori N135
<<locked>>
92%
56884
89%
**57
100%
Vihtavuori N140
<<locked>>
86%
57290
90%
**74
100%
Vihtavuori N150
<<locked>>
96%
57334
90%
**03
100%
Vihtavuori N160
<<locked>>
93%
56942
89%
**56
100%
Vihtavuori N165
<<locked>>
97%
41452
65%
**07
95%
Vihtavuori N540
<<locked>>
86%
57072
89%
**97
100%
Vihtavuori N550
<<locked>>
93%
57217
90%
**02
100%
Vihtavuori N555
<<locked>>
97%
46108
72%
**74
100%
[Vihtavuori N560]*
<<locked>>
97%
44353
70%
**48
93%
Winchester 6.5 StaBALL
<<locked>>
94%
57058
89%
**33
100%
Winchester 760 👍
<<locked>>
91%
57145
90%
**15
99%
Winchester StaBALL HD
<<locked>>
97%
34026
53%
**21
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
52446
82%
**80
100%
ADI AR 2208
<<locked>>
81%
44527
70%
**43
99%
[ADI AR 2209]*
<<locked>>
84%
33808
53%
**69
90%
[ADI AR 2213]*
<<locked>>
92%
38537
60%
**90
90%
Accurate 2700
<<locked>>
81%
42888
67%
**57
95%
[Accurate 3100]*
<<locked>>
82%
26310
41%
**85
90%
Accurate 4064
<<locked>>
81%
46789
73%
**69
100%
Accurate 4350
<<locked>>
81%
35056
55%
**25
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
44411
70%
**59
100%
Alliant Reloder-15
<<locked>>
81%
47805
75%
**25
100%
Alliant Reloder-16
<<locked>>
81%
34563
54%
**31
97%
Alliant Reloder-17
<<locked>>
81%
38957
61%
**49
99%
[Alliant Reloder-19]*
<<locked>>
84%
33141
52%
**62
90%
[Alliant Reloder-22]*
<<locked>>
88%
32996
52%
**95
90%
[Alliant Reloder-23]*
<<locked>>
81%
25193
39%
**88
94%
[Alliant Reloder-25]*
<<locked>>
87%
27282
43%
**47
90%
[Alliant Reloder-26]*
<<locked>>
81%
26585
42%
**67
91%
Baschieri & Pellagri 107
<<locked>>
81%
52011
82%
**90
100%
Hodgdon CFE223
<<locked>>
81%
46557
73%
**35
99%
Hodgdon H380
<<locked>>
81%
45498
71%
**75
99%
Hodgdon H414
<<locked>>
81%
40466
63%
**30
96%
[Hodgdon H4350]*
<<locked>>
81%
33678
53%
**29
92%
[Hodgdon H4831 SC]*
<<locked>>
91%
39175
61%
**70
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31966
50%
**29
98%
Hodgdon LVR
<<locked>>
81%
37884
59%
**70
97%
[Hodgdon Superperformance]*
<<locked>>
81%
36361
57%
**67
93%
Hodgdon VARGET
<<locked>>
81%
44121
69%
**36
99%
Hodgdon TrailBoss
<<locked>>
94%
33315
52%
**50
100%
IMR 3031
<<locked>>
81%
48950
77%
**12
100%
IMR 4064
<<locked>>
81%
43627
68%
**20
99%
IMR 4166 Enduron
<<locked>>
81%
42989
67%
**84
96%
[IMR 4350]*
<<locked>>
81%
35331
55%
**72
93%
IMR 4451 Enduron
<<locked>>
81%
41220
65%
**74
96%
IMR 4831
<<locked>>
81%
30574
48%
**03
95%
IMR 4895
<<locked>>
81%
49110
77%
**51
100%
[IMR 4955 Enduron]*
<<locked>>
90%
37956
59%
**15
90%
[IMR 7828 SSC]*
<<locked>>
91%
38551
60%
**03
90%
Lovex D073.6
<<locked>>
81%
52373
82%
**54
100%
Lovex S060
<<locked>>
81%
51576
81%
**12
100%
Lovex S062
<<locked>>
81%
46847
73%
**69
100%
Lovex S065
<<locked>>
81%
38609
61%
**28
96%
Lovex S070
<<locked>>
81%
36724
58%
**98
95%
[Lovex S071]*
<<locked>>
87%
26310
41%
**85
90%
Norma 201
<<locked>>
81%
51300
80%
**31
100%
Norma 202
<<locked>>
81%
51779
81%
**25
100%
Norma 203B
<<locked>>
81%
47311
74%
**15
100%
[Norma 204]*
<<locked>>
81%
34650
54%
**82
91%
[Norma MRP]*
<<locked>>
84%
30240
47%
**49
90%
Norma URP
<<locked>>
81%
35027
55%
**15
97%
Ramshot Big Game
<<locked>>
81%
47268
74%
**35
100%
[Ramshot Hunter]*
<<locked>>
81%
34142
53%
**98
94%
[Ramshot Magnum]*
<<locked>>
90%
32590
51%
**59
90%
ReloadSwiss RS 14
<<locked>>
90%
31749
50%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
45629
71%
**59
98%
ReloadSwiss RS 52
<<locked>>
81%
46557
73%
**25
100%
ReloadSwiss RS 60
<<locked>>
81%
37768
59%
**46
100%
ReloadSwiss RS 62
<<locked>>
81%
34650
54%
**34
96%
ReloadSwiss RS 70
<<locked>>
81%
34272
54%
**31
95%
[ReloadSwiss RS 76]*
<<locked>>
94%
32460
51%
**05
90%
Rottweil R 902
<<locked>>
81%
48675
76%
**85
100%
Rottweil R 903
<<locked>>
81%
42032
66%
**20
100%
[Rottweil R 904]*
<<locked>>
85%
36114
57%
**85
90%
[Rottweil R 905]*
<<locked>>
84%
32300
51%
**52
90%
Rottweil R 907
<<locked>>
81%
39755
62%
**38
95%
SNPE Vectan SP 11
<<locked>>
81%
43178
68%
**66
99%
SNPE Vectan SP 7
<<locked>>
81%
53272
83%
**74
100%
SNPE Vectan SP 9
<<locked>>
81%
50734
79%
**51
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52315
82%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43830
69%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
37869
59%
**75
95%
Shooters World Long Rifle
<<locked>>
81%
38609
61%
**28
96%
Shooters World Match Rifle
<<locked>>
81%
52373
82%
**54
100%
Shooters World Precision
<<locked>>
81%
46847
73%
**69
100%
Somchem S335
<<locked>>
81%
52025
82%
**72
100%
Somchem S341
<<locked>>
81%
53026
83%
**64
100%
Somchem S355
<<locked>>
81%
42612
67%
**16
100%
[Somchem S361]*
<<locked>>
86%
38508
60%
**08
90%
Somchem S365
<<locked>>
81%
31517
49%
**72
99%
[Somchem S385]*
<<locked>>
82%
29994
47%
**70
90%
Vihtavuori N133
<<locked>>
81%
49313
77%
**16
100%
Vihtavuori N135
<<locked>>
81%
41336
65%
**44
100%
Vihtavuori N140
<<locked>>
81%
48515
76%
**59
100%
Vihtavuori N150
<<locked>>
81%
36405
57%
**75
100%
Vihtavuori N160
<<locked>>
81%
37985
60%
**48
98%
[Vihtavuori N165]*
<<locked>>
88%
31459
49%
**90
90%
Vihtavuori N540
<<locked>>
81%
48124
75%
**79
100%
Vihtavuori N550
<<locked>>
81%
38667
61%
**90
98%
[Vihtavuori N555]*
<<locked>>
81%
27224
43%
**67
94%
[Vihtavuori N560]*
<<locked>>
92%
38435
60%
**30
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35926
56%
**92
99%
Winchester 760
<<locked>>
81%
40466
63%
**30
96%
[Winchester StaBALL HD]*
<<locked>>
81%
22394
35%
**36
90%

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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