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Load data for .375 Weath. Mag. + .375 | 300gr | Nosler Partition SP

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, Vihtavuori N160, Vihtavuori N550

.375 Weath. Mag. + .375 | 300gr | Nosler Partition SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Nosler Partition SP
Manufacturer SKU:
44845
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.335" | 33.9mm
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.678" | 17.2mm
Shank Seated Depth:
0.678" | 17.2mm
Case Capacity:
105.0 Grains of Water | 6.82 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B4185_C568
Last updated:
2025-01-01

Load data for 202 loads in caliber .375 Weath. Mag. with .375 | 300gr | Nosler Partition SP bullet and 101 powders such as Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, Vihtavuori N160, Vihtavuori N550. 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 2206H
<<locked>>
87%
56913
89%
**46
100%
ADI AR 2208
<<locked>>
93%
57116
90%
**36
100%
[ADI AR 2209]*
<<locked>>
97%
45049
71%
**31
94%
Accurate 2015
<<locked>>
83%
57392
90%
**38
100%
Accurate 2200
<<locked>>
85%
56637
89%
**16
100%
Accurate 2495
<<locked>>
86%
57334
90%
**00
100%
Accurate 2520
<<locked>>
85%
57334
90%
**33
100%
Accurate 2700
<<locked>>
93%
57406
90%
**93
98%
Accurate 3100
<<locked>>
97%
37014
58%
**87
95%
Accurate 4064
<<locked>>
91%
57363
90%
**26
100%
Accurate 4350
<<locked>>
97%
51692
81%
**43
100%
Alliant AR-Comp
<<locked>>
85%
57130
90%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
56971
89%
**56
100%
Alliant Reloder-15
<<locked>>
90%
56942
89%
**69
100%
Alliant Reloder-16
<<locked>>
97%
50082
78%
**49
100%
Alliant Reloder-17 👍
<<locked>>
96%
57406
90%
**67
100%
[Alliant Reloder-19]*
<<locked>>
97%
43642
68%
**15
94%
[Alliant Reloder-22]*
<<locked>>
97%
38174
60%
**52
92%
Alliant Reloder-23
<<locked>>
97%
36260
57%
**26
99%
[Alliant Reloder-25]*
<<locked>>
97%
31981
50%
**18
93%
Alliant Reloder-26
<<locked>>
97%
39726
62%
**57
98%
Baschieri & Pellagri 107
<<locked>>
87%
56840
89%
**69
100%
Hodgdon BL-C2
<<locked>>
85%
56985
89%
**66
100%
Hodgdon Benchmark
<<locked>>
85%
56913
89%
**74
100%
Hodgdon CFE223 👍
<<locked>>
91%
57305
90%
**12
100%
Hodgdon H322
<<locked>>
84%
57232
90%
**00
100%
Hodgdon H380
<<locked>>
92%
57392
90%
**69
100%
Hodgdon H414
<<locked>>
95%
57145
90%
**21
99%
Hodgdon H4350
<<locked>>
97%
49153
77%
**48
97%
Hodgdon Hybrid 100V
<<locked>>
97%
46673
73%
**41
100%
Hodgdon LVR 👍
<<locked>>
97%
55825
87%
**89
100%
Hodgdon Superperformance
<<locked>>
97%
55608
87%
**28
98%
Hodgdon VARGET
<<locked>>
93%
57421
90%
**46
100%
IMR 3031
<<locked>>
90%
57246
90%
**30
100%
IMR 4064
<<locked>>
93%
57029
89%
**30
100%
IMR 4166 Enduron
<<locked>>
94%
57058
89%
**10
99%
IMR 4350
<<locked>>
97%
51837
81%
**87
97%
IMR 4451 Enduron
<<locked>>
95%
56971
89%
**39
99%
IMR 4831
<<locked>>
97%
44208
69%
**11
99%
IMR 4895
<<locked>>
89%
56797
89%
**75
100%
[IMR 4955 Enduron]*
<<locked>>
97%
42192
66%
**26
91%
IMR 8208 XBR
<<locked>>
86%
57305
90%
**20
100%
Lovex D073.6
<<locked>>
87%
57334
90%
**33
100%
Lovex S060
<<locked>>
87%
56942
89%
**87
100%
Lovex S062
<<locked>>
91%
57116
90%
**26
100%
Lovex S065
<<locked>>
97%
56318
88%
**33
99%
Lovex S070
<<locked>>
97%
53229
83%
**13
98%
[Lovex S071]*
<<locked>>
97%
30980
49%
**59
93%
Norma 201
<<locked>>
88%
57261
90%
**16
100%
Norma 202
<<locked>>
87%
56884
89%
**07
100%
Norma 203B
<<locked>>
90%
56724
89%
**66
100%
Norma 204
<<locked>>
97%
51895
81%
**30
96%
Norma MRP
<<locked>>
97%
39769
62%
**15
95%
Norma URP
<<locked>>
97%
51358
80%
**39
100%
Ramshot Big Game
<<locked>>
90%
56927
89%
**85
100%
Ramshot Hunter
<<locked>>
97%
50227
79%
**33
98%
Ramshot TAC
<<locked>>
86%
57290
90%
**43
100%
Ramshot Wild Boar
<<locked>>
86%
57116
89%
**52
100%
Ramshot X-Terminator
<<locked>>
83%
57174
90%
**10
100%
ReloadSwiss RS 50
<<locked>>
91%
57203
90%
**46
99%
ReloadSwiss RS 52
<<locked>>
91%
56985
89%
**85
100%
ReloadSwiss RS 60
<<locked>>
97%
57043
89%
**80
100%
ReloadSwiss RS 62
<<locked>>
97%
51779
81%
**69
100%
ReloadSwiss RS 70
<<locked>>
97%
51300
80%
**92
99%
Rottweil R 901
<<locked>>
85%
57058
89%
**80
100%
Rottweil R 902
<<locked>>
90%
57159
90%
**10
100%
Rottweil R 903
<<locked>>
94%
57290
90%
**62
100%
[Rottweil R 904]*
<<locked>>
97%
46514
73%
**05
93%
[Rottweil R 905]*
<<locked>>
97%
42641
67%
**02
94%
Rottweil R 907
<<locked>>
96%
57130
90%
**43
98%
SNPE Vectan SP 11
<<locked>>
93%
56710
89%
**89
100%
SNPE Vectan SP 7
<<locked>>
86%
57421
90%
**43
100%
SNPE Vectan SP 9
<<locked>>
88%
57174
90%
**49
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
57000
89%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
57363
90%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
56521
89%
**93
98%
Shooters World Long Rifle
<<locked>>
97%
56318
88%
**33
99%
Shooters World Match Rifle
<<locked>>
87%
57334
90%
**33
100%
Shooters World Precision
<<locked>>
91%
57116
90%
**26
100%
Somchem S321
<<locked>>
83%
57406
90%
**36
100%
Somchem S335
<<locked>>
87%
57392
90%
**44
100%
Somchem S341
<<locked>>
86%
56652
89%
**26
100%
Somchem S355
<<locked>>
94%
57276
90%
**56
100%
[Somchem S361]*
<<locked>>
97%
47572
75%
**02
93%
Somchem S365
<<locked>>
97%
46398
73%
**00
100%
Somchem S385
<<locked>>
97%
42873
67%
**82
95%
Vihtavuori N130
<<locked>>
84%
57363
90%
**05
100%
Vihtavuori N133
<<locked>>
89%
56869
89%
**18
100%
Vihtavuori N135
<<locked>>
95%
56797
89%
**74
100%
Vihtavuori N140
<<locked>>
90%
57101
89%
**84
100%
Vihtavuori N150
<<locked>>
97%
52475
82%
**61
100%
Vihtavuori N160 👍
<<locked>>
97%
57014
89%
**72
100%
[Vihtavuori N165]*
<<locked>>
97%
35882
56%
**34
92%
Vihtavuori N530
<<locked>>
84%
56971
89%
**23
100%
Vihtavuori N540
<<locked>>
90%
57101
89%
**16
100%
Vihtavuori N550 👍
<<locked>>
97%
56608
89%
**05
100%
Vihtavuori N555
<<locked>>
97%
39204
61%
**88
99%
Winchester 6.5 StaBALL
<<locked>>
97%
54041
85%
**16
100%
Winchester 748
<<locked>>
83%
57334
90%
**59
100%
Winchester 760
<<locked>>
95%
57145
90%
**21
99%
Winchester StaBALL HD
<<locked>>
97%
32097
50%
**10
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47369
74%
**11
100%
ADI AR 2208
<<locked>>
81%
40059
63%
**77
98%
[ADI AR 2209]*
<<locked>>
89%
35186
55%
**28
90%
Accurate 2015
<<locked>>
81%
53185
83%
**88
100%
Accurate 2200
<<locked>>
81%
49298
77%
**15
99%
Accurate 2495
<<locked>>
81%
48994
77%
**95
100%
Accurate 2520
<<locked>>
81%
49588
78%
**34
100%
[Accurate 2700]*
<<locked>>
81%
38551
60%
**01
94%
[Accurate 3100]*
<<locked>>
87%
26281
41%
**44
90%
Accurate 4064
<<locked>>
81%
41452
65%
**10
100%
Accurate 4350
<<locked>>
81%
30414
48%
**56
95%
Alliant AR-Comp
<<locked>>
81%
50082
78%
**88
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
39929
63%
**03
99%
Alliant Reloder-15
<<locked>>
81%
42859
67%
**59
99%
Alliant Reloder-16
<<locked>>
81%
31053
49%
**72
95%
Alliant Reloder-17
<<locked>>
81%
34360
54%
**80
98%
[Alliant Reloder-19]*
<<locked>>
89%
34229
54%
**18
90%
[Alliant Reloder-22]*
<<locked>>
93%
34127
53%
**57
90%
[Alliant Reloder-23]*
<<locked>>
81%
22437
35%
**42
91%
[Alliant Reloder-25]*
<<locked>>
93%
28195
44%
**13
90%
[Alliant Reloder-26]*
<<locked>>
85%
26295
41%
**10
90%
Baschieri & Pellagri 107
<<locked>>
81%
46296
73%
**15
99%
Hodgdon BL-C2
<<locked>>
81%
49226
77%
**61
100%
Hodgdon Benchmark
<<locked>>
81%
51126
80%
**95
100%
Hodgdon CFE223
<<locked>>
81%
40930
64%
**62
98%
Hodgdon H322
<<locked>>
81%
52359
82%
**38
100%
Hodgdon H380
<<locked>>
81%
40553
64%
**06
98%
[Hodgdon H414]*
<<locked>>
81%
35650
56%
**64
94%
[Hodgdon H4350]*
<<locked>>
82%
31053
49%
**00
90%
Hodgdon Hybrid 100V
<<locked>>
81%
28398
45%
**80
96%
Hodgdon LVR
<<locked>>
81%
33547
53%
**08
95%
[Hodgdon Superperformance]*
<<locked>>
81%
32126
50%
**92
91%
Hodgdon VARGET
<<locked>>
81%
39929
63%
**74
98%
IMR 3031
<<locked>>
81%
43439
68%
**46
100%
IMR 4064
<<locked>>
81%
39363
62%
**54
98%
IMR 4166 Enduron
<<locked>>
81%
39276
62%
**24
95%
[IMR 4350]*
<<locked>>
81%
31473
49%
**10
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37275
58%
**11
94%
[IMR 4831]*
<<locked>>
81%
26919
42%
**47
93%
IMR 4895
<<locked>>
81%
43976
69%
**85
100%
[IMR 4955 Enduron]*
<<locked>>
95%
39392
62%
**67
90%
IMR 8208 XBR
<<locked>>
81%
49501
78%
**15
100%
Lovex D073.6
<<locked>>
81%
46398
73%
**88
100%
Lovex S060
<<locked>>
81%
46978
74%
**49
100%
Lovex S062
<<locked>>
81%
41989
66%
**06
100%
Lovex S065
<<locked>>
81%
34693
54%
**75
95%
[Lovex S070]*
<<locked>>
81%
32634
51%
**46
93%
[Lovex S071]*
<<locked>>
91%
26165
41%
**41
90%
Norma 201
<<locked>>
81%
46441
73%
**65
100%
Norma 202
<<locked>>
81%
46615
73%
**72
100%
Norma 203B
<<locked>>
81%
42366
66%
**49
99%
[Norma 204]*
<<locked>>
84%
34577
54%
**08
90%
[Norma MRP]*
<<locked>>
89%
31183
49%
**15
90%
Norma URP
<<locked>>
81%
30864
48%
**62
95%
Ramshot Big Game
<<locked>>
81%
41684
65%
**59
99%
[Ramshot Hunter]*
<<locked>>
81%
30226
47%
**39
92%
Ramshot TAC
<<locked>>
81%
49110
77%
**21
99%
Ramshot Wild Boar
<<locked>>
81%
48863
77%
**41
100%
Ramshot X-Terminator
<<locked>>
81%
53287
84%
**61
100%
ReloadSwiss RS 50
<<locked>>
81%
40741
64%
**93
96%
ReloadSwiss RS 52
<<locked>>
81%
41060
64%
**59
100%
ReloadSwiss RS 60
<<locked>>
81%
33417
52%
**67
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
30124
47%
**62
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
30356
48%
**65
93%
Rottweil R 901
<<locked>>
81%
50473
79%
**95
100%
Rottweil R 902
<<locked>>
81%
44208
69%
**26
100%
Rottweil R 903
<<locked>>
81%
37217
58%
**54
99%
[Rottweil R 904]*
<<locked>>
90%
37144
58%
**38
90%
[Rottweil R 905]*
<<locked>>
89%
33301
52%
**08
90%
[Rottweil R 907]*
<<locked>>
81%
35679
56%
**82
93%
SNPE Vectan SP 11
<<locked>>
81%
38130
60%
**97
99%
SNPE Vectan SP 7
<<locked>>
81%
47790
75%
**05
99%
SNPE Vectan SP 9
<<locked>>
81%
45542
71%
**82
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
47819
75%
**16
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39711
62%
**98
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33547
53%
**16
93%
Shooters World Long Rifle
<<locked>>
81%
34693
54%
**75
95%
Shooters World Match Rifle
<<locked>>
81%
46398
73%
**88
100%
Shooters World Precision
<<locked>>
81%
41989
66%
**06
100%
Somchem S321
<<locked>>
81%
53476
84%
**87
100%
Somchem S335
<<locked>>
81%
47369
74%
**20
100%
Somchem S341
<<locked>>
81%
47253
74%
**98
100%
Somchem S355
<<locked>>
81%
38130
60%
**64
99%
[Somchem S361]*
<<locked>>
92%
40132
63%
**70
90%
Somchem S365
<<locked>>
81%
27557
43%
**16
97%
[Somchem S385]*
<<locked>>
86%
30589
48%
**33
90%
Vihtavuori N130
<<locked>>
81%
52547
82%
**46
100%
Vihtavuori N133
<<locked>>
81%
44788
70%
**64
100%
Vihtavuori N135
<<locked>>
81%
37188
58%
**98
100%
Vihtavuori N140
<<locked>>
81%
43395
68%
**03
100%
Vihtavuori N150
<<locked>>
81%
32489
51%
**29
99%
Vihtavuori N160
<<locked>>
81%
33446
52%
**85
96%
[Vihtavuori N165]*
<<locked>>
93%
32198
50%
**52
90%
Vihtavuori N530
<<locked>>
81%
52257
82%
**61
100%
Vihtavuori N540
<<locked>>
81%
43192
68%
**26
100%
Vihtavuori N550
<<locked>>
81%
34055
53%
**28
96%
[Vihtavuori N555]*
<<locked>>
81%
23583
37%
**05
91%
Winchester 6.5 StaBALL
<<locked>>
81%
31908
50%
**39
97%
Winchester 748
<<locked>>
81%
53026
83%
**07
100%
[Winchester 760]*
<<locked>>
81%
35650
56%
**64
94%
[Winchester StaBALL HD]*
<<locked>>
86%
22800
36%
**01
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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