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Load data for .375 Weath. Mag. + .375 | 300gr | Woodleigh PP SN

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550

.375 Weath. Mag. + .375 | 300gr | Woodleigh PP SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Woodleigh PP SN
Manufacturer SKU:
45A
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.232" | 31.3mm
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.575" | 14.6mm
Shank Seated Depth:
0.575" | 14.6mm
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_B12123_C568
Last updated:
2026-01-22

Load data for 202 loads in caliber .375 Weath. Mag. with .375 | 300gr | Woodleigh PP SN bullet and 101 powders such as Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, 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".

  • 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>>
86%
57232
90%
**66
100%
ADI AR 2208
<<locked>>
92%
57130
90%
**49
100%
ADI AR 2209
<<locked>>
97%
46354
73%
**64
95%
Accurate 2200
<<locked>>
85%
57232
90%
**39
100%
Accurate 2495
<<locked>>
84%
56695
89%
**00
100%
Accurate 2520
<<locked>>
84%
57188
90%
**43
100%
Accurate 2700
<<locked>>
93%
57406
90%
**10
98%
Accurate 3100
<<locked>>
97%
38870
61%
**29
96%
Accurate 4064
<<locked>>
90%
57101
89%
**33
100%
Accurate 4350 👍
<<locked>>
97%
54085
85%
**89
100%
Alliant AR-Comp
<<locked>>
84%
57029
89%
**80
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
56927
89%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
56623
89%
**62
100%
Alliant Reloder-15
<<locked>>
89%
57116
90%
**85
100%
Alliant Reloder-16 👍
<<locked>>
97%
52199
82%
**95
100%
Alliant Reloder-17
<<locked>>
95%
57363
90%
**80
100%
Alliant Reloder-19
<<locked>>
97%
45165
71%
**57
95%
[Alliant Reloder-22]*
<<locked>>
97%
39769
62%
**98
93%
Alliant Reloder-23
<<locked>>
97%
37304
58%
**59
99%
[Alliant Reloder-25]*
<<locked>>
97%
33199
52%
**64
94%
Alliant Reloder-26
<<locked>>
97%
41205
65%
**97
98%
Baschieri & Pellagri 107
<<locked>>
86%
57014
89%
**82
100%
Bofors RP3
<<locked>>
91%
57174
90%
**72
100%
[Bofors RP5]*
<<locked>>
97%
39769
62%
**98
93%
Bofors RP7
<<locked>>
95%
57058
89%
**56
98%
Hodgdon BL-C2
<<locked>>
84%
57334
90%
**79
100%
Hodgdon Benchmark
<<locked>>
84%
56927
89%
**87
100%
Hodgdon CFE223
<<locked>>
90%
57217
90%
**18
100%
Hodgdon H380
<<locked>>
91%
57305
90%
**82
100%
Hodgdon H414
<<locked>>
94%
56811
89%
**28
99%
Hodgdon H4350
<<locked>>
97%
50401
79%
**80
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
43497
68%
**92
91%
Hodgdon Hybrid 100V
<<locked>>
97%
48733
76%
**80
100%
Hodgdon LVR 👍
<<locked>>
96%
57232
90%
**18
100%
Hodgdon Superperformance
<<locked>>
97%
57188
90%
**64
99%
Hodgdon VARGET
<<locked>>
92%
57130
90%
**49
100%
IMR 3031
<<locked>>
89%
57232
90%
**43
100%
IMR 4064
<<locked>>
92%
56942
89%
**39
100%
IMR 4166 Enduron
<<locked>>
93%
57101
89%
**30
99%
IMR 4350
<<locked>>
97%
53476
84%
**30
98%
IMR 4451 Enduron
<<locked>>
94%
57392
90%
**59
99%
IMR 4831
<<locked>>
97%
45847
72%
**51
99%
IMR 4895
<<locked>>
88%
57377
90%
**95
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43482
68%
**62
92%
IMR 8208 XBR
<<locked>>
85%
57116
89%
**26
100%
Lovex D073.6
<<locked>>
86%
57188
90%
**43
100%
Lovex S060
<<locked>>
86%
57145
90%
**03
100%
Lovex S062
<<locked>>
90%
57174
90%
**36
100%
Lovex S065
<<locked>>
96%
57043
89%
**56
100%
Lovex S070
<<locked>>
97%
55187
86%
**59
99%
[Lovex S071]*
<<locked>>
97%
32619
51%
**08
94%
Norma 201
<<locked>>
87%
57058
89%
**30
100%
Norma 202
<<locked>>
87%
57276
90%
**16
100%
Norma 203B
<<locked>>
90%
56884
89%
**82
100%
Norma 204
<<locked>>
97%
54143
85%
**72
97%
Norma MRP
<<locked>>
97%
41597
65%
**70
96%
Norma URP
<<locked>>
97%
53084
83%
**72
100%
Ramshot Big Game
<<locked>>
89%
57000
89%
**98
100%
[Ramshot Grand]*
<<locked>>
97%
43859
69%
**64
93%
Ramshot Hunter
<<locked>>
97%
52330
82%
**79
99%
[Ramshot Magnum]*
<<locked>>
97%
38043
60%
**39
93%
Ramshot TAC
<<locked>>
84%
56826
89%
**52
100%
Ramshot Wild Boar
<<locked>>
85%
57363
90%
**69
100%
ReloadSwiss RS 50
<<locked>>
90%
56971
89%
**62
99%
ReloadSwiss RS 52
<<locked>>
87%
57043
89%
**38
100%
ReloadSwiss RS 60
<<locked>>
93%
56913
89%
**71
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
53954
85%
**08
100%
ReloadSwiss RS 70
<<locked>>
97%
53809
84%
**41
100%
Rottweil R 901
<<locked>>
84%
56884
89%
**90
100%
Rottweil R 902
<<locked>>
88%
56753
89%
**16
100%
Rottweil R 903
<<locked>>
93%
57232
90%
**75
100%
[Rottweil R 904]*
<<locked>>
97%
48051
75%
**48
94%
Rottweil R 905
<<locked>>
97%
44208
69%
**48
95%
Rottweil R 907
<<locked>>
95%
57058
89%
**56
98%
SNPE Vectan SP 11
<<locked>>
92%
57072
89%
**05
100%
SNPE Vectan SP 7
<<locked>>
85%
56855
89%
**49
100%
SNPE Vectan SP 9
<<locked>>
87%
57159
90%
**59
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
56681
89%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
56956
89%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
57232
90%
**20
99%
Shooters World Long Rifle
<<locked>>
96%
57043
89%
**56
100%
Shooters World Match Rifle
<<locked>>
86%
57188
90%
**43
100%
Shooters World Precision
<<locked>>
90%
57174
90%
**36
100%
Somchem S335
<<locked>>
86%
56898
89%
**54
100%
Somchem S341
<<locked>>
86%
56985
89%
**43
100%
Somchem S355
<<locked>>
93%
56811
89%
**59
100%
[Somchem S361]*
<<locked>>
97%
49472
78%
**44
93%
Somchem S365
<<locked>>
97%
48095
75%
**33
100%
Somchem S385
<<locked>>
97%
44933
70%
**28
96%
Vihtavuori N133
<<locked>>
88%
56695
89%
**28
100%
Vihtavuori N135
<<locked>>
94%
56855
89%
**84
100%
Vihtavuori N140
<<locked>>
89%
57072
89%
**93
100%
Vihtavuori N150
<<locked>>
97%
54723
86%
**03
100%
Vihtavuori N160
<<locked>>
96%
57319
90%
**89
100%
[Vihtavuori N165]*
<<locked>>
97%
37043
58%
**70
93%
Vihtavuori N540
<<locked>>
89%
56855
89%
**20
100%
Vihtavuori N550 👍
<<locked>>
96%
56942
89%
**28
100%
Vihtavuori N555
<<locked>>
97%
40872
64%
**28
99%
Winchester 6.5 StaBALL
<<locked>>
97%
55709
87%
**52
100%
Winchester 760
<<locked>>
94%
56811
89%
**28
99%
Winchester StaBALL HD
<<locked>>
97%
33504
52%
**65
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48530
76%
**41
100%
ADI AR 2208
<<locked>>
81%
41437
65%
**13
99%
[ADI AR 2209]*
<<locked>>
87%
34447
54%
**31
90%
Accurate 2200
<<locked>>
81%
50807
80%
**48
100%
Accurate 2495
<<locked>>
81%
50691
79%
**28
100%
Accurate 2520
<<locked>>
81%
51271
80%
**67
100%
[Accurate 2700]*
<<locked>>
81%
39537
62%
**34
94%
[Accurate 3100]*
<<locked>>
85%
25773
40%
**34
90%
Accurate 4064
<<locked>>
81%
42786
67%
**36
100%
Accurate 4350
<<locked>>
81%
31473
49%
**92
96%
Alliant AR-Comp
<<locked>>
81%
51547
81%
**18
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
44614
70%
**87
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
40988
64%
**29
100%
Alliant Reloder-15
<<locked>>
81%
44135
69%
**88
99%
Alliant Reloder-16
<<locked>>
81%
31879
50%
**01
96%
Alliant Reloder-17
<<locked>>
81%
35708
56%
**20
99%
[Alliant Reloder-19]*
<<locked>>
87%
33373
52%
**11
90%
[Alliant Reloder-22]*
<<locked>>
91%
33460
52%
**54
90%
[Alliant Reloder-23]*
<<locked>>
81%
23206
36%
**82
92%
[Alliant Reloder-25]*
<<locked>>
91%
27630
43%
**10
90%
[Alliant Reloder-26]*
<<locked>>
83%
25759
40%
**03
90%
Baschieri & Pellagri 107
<<locked>>
81%
47848
75%
**54
99%
Bofors RP3
<<locked>>
81%
40915
64%
**39
100%
[Bofors RP5]*
<<locked>>
91%
33460
52%
**54
90%
[Bofors RP7]*
<<locked>>
81%
36782
58%
**15
93%
Hodgdon BL-C2
<<locked>>
81%
50966
80%
**93
100%
Hodgdon Benchmark
<<locked>>
81%
52591
82%
**28
100%
Hodgdon CFE223
<<locked>>
81%
42337
66%
**98
99%
Hodgdon H380
<<locked>>
81%
41829
66%
**46
98%
[Hodgdon H414]*
<<locked>>
81%
36811
58%
**97
94%
[Hodgdon H4350]*
<<locked>>
81%
31009
49%
**13
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
39987
63%
**26
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29240
46%
**13
97%
Hodgdon LVR
<<locked>>
81%
34650
54%
**41
96%
[Hodgdon Superperformance]*
<<locked>>
81%
33083
52%
**28
91%
Hodgdon VARGET
<<locked>>
81%
40944
64%
**03
99%
IMR 3031
<<locked>>
81%
44918
70%
**75
100%
IMR 4064
<<locked>>
81%
40625
64%
**93
99%
IMR 4166 Enduron
<<locked>>
81%
40234
63%
**60
95%
[IMR 4350]*
<<locked>>
81%
32532
51%
**49
92%
IMR 4451 Enduron
<<locked>>
81%
38232
60%
**47
95%
[IMR 4831]*
<<locked>>
81%
27833
44%
**83
94%
IMR 4895
<<locked>>
81%
45165
71%
**18
100%
[IMR 4955 Enduron]*
<<locked>>
93%
38711
61%
**70
90%
IMR 8208 XBR
<<locked>>
81%
50676
79%
**44
100%
Lovex D073.6
<<locked>>
81%
48298
76%
**28
100%
Lovex S060
<<locked>>
81%
48414
76%
**85
100%
Lovex S062
<<locked>>
81%
43497
68%
**43
100%
Lovex S065
<<locked>>
81%
35694
56%
**05
95%
[Lovex S070]*
<<locked>>
81%
33823
53%
**82
93%
[Lovex S071]*
<<locked>>
90%
26005
41%
**41
90%
Norma 201
<<locked>>
81%
47688
75%
**98
100%
Norma 202
<<locked>>
81%
48022
75%
**98
100%
Norma 203B
<<locked>>
81%
43366
68%
**79
100%
[Norma 204]*
<<locked>>
83%
33808
53%
**05
90%
[Norma MRP]*
<<locked>>
87%
30574
48%
**11
90%
Norma URP
<<locked>>
81%
31966
50%
**92
96%
Ramshot Big Game
<<locked>>
81%
43250
68%
**95
99%
[Ramshot Grand]*
<<locked>>
93%
38667
61%
**56
90%
[Ramshot Hunter]*
<<locked>>
81%
31140
49%
**75
93%
[Ramshot Magnum]*
<<locked>>
93%
33243
52%
**31
90%
Ramshot TAC
<<locked>>
81%
50546
79%
**64
99%
Ramshot Wild Boar
<<locked>>
81%
50444
79%
**74
100%
ReloadSwiss RS 50
<<locked>>
81%
42105
66%
**26
97%
ReloadSwiss RS 52
<<locked>>
81%
46615
73%
**87
100%
ReloadSwiss RS 60
<<locked>>
81%
37985
60%
**75
100%
ReloadSwiss RS 62
<<locked>>
81%
31212
49%
**05
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31415
49%
**08
94%
Rottweil R 901
<<locked>>
81%
51779
81%
**25
100%
Rottweil R 902
<<locked>>
81%
45339
71%
**52
100%
Rottweil R 903
<<locked>>
81%
38522
60%
**90
99%
[Rottweil R 904]*
<<locked>>
88%
36521
57%
**38
90%
[Rottweil R 905]*
<<locked>>
87%
32474
51%
**05
90%
[Rottweil R 907]*
<<locked>>
81%
36782
58%
**15
93%
SNPE Vectan SP 11
<<locked>>
81%
39494
62%
**33
99%
SNPE Vectan SP 7
<<locked>>
81%
49356
77%
**41
99%
SNPE Vectan SP 9
<<locked>>
81%
46949
74%
**11
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49037
77%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40872
64%
**28
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34780
54%
**52
94%
Shooters World Long Rifle
<<locked>>
81%
35694
56%
**05
95%
Shooters World Match Rifle
<<locked>>
81%
48298
76%
**28
100%
Shooters World Precision
<<locked>>
81%
43497
68%
**43
100%
Somchem S335
<<locked>>
81%
48443
76%
**46
100%
Somchem S341
<<locked>>
81%
48791
76%
**34
100%
Somchem S355
<<locked>>
81%
39276
62%
**93
99%
[Somchem S361]*
<<locked>>
90%
39233
61%
**67
90%
Somchem S365
<<locked>>
81%
28631
45%
**52
98%
[Somchem S385]*
<<locked>>
84%
29762
47%
**19
90%
Vihtavuori N133
<<locked>>
81%
46137
72%
**93
100%
Vihtavuori N135
<<locked>>
81%
38305
60%
**24
100%
Vihtavuori N140
<<locked>>
81%
44889
70%
**36
100%
Vihtavuori N150
<<locked>>
81%
33562
53%
**59
99%
Vihtavuori N160
<<locked>>
81%
34577
54%
**21
96%
[Vihtavuori N165]*
<<locked>>
91%
31473
49%
**49
90%
Vihtavuori N540
<<locked>>
81%
44512
70%
**56
100%
Vihtavuori N550
<<locked>>
81%
35230
55%
**64
97%
[Vihtavuori N555]*
<<locked>>
81%
24642
39%
**47
93%
Winchester 6.5 StaBALL
<<locked>>
81%
32953
52%
**75
98%
[Winchester 760]*
<<locked>>
81%
36811
58%
**97
94%
[Winchester StaBALL HD]*
<<locked>>
84%
22394
35%
**98
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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