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

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, SNPE Vectan SP 11, Vihtavuori N550

.375 Weath. Mag. + .375 | 300gr | Woodleigh HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Woodleigh HS
Manufacturer SKU:
H375
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.375 Weath. 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:
105.0 Grains of Water | 6.82 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B12051_C568
Last updated:
2026-01-24

Load data for 210 loads in caliber .375 Weath. Mag. with .375 | 300gr | Woodleigh HS bullet and 105 powders such as Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, SNPE Vectan SP 11, 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>>
88%
57290
90%
**46
100%
ADI AR 2208
<<locked>>
93%
57246
90%
**30
100%
[ADI AR 2209]*
<<locked>>
97%
44193
69%
**05
94%
Accurate 2015
<<locked>>
84%
57232
90%
**31
100%
Accurate 2200
<<locked>>
86%
57203
90%
**10
100%
Accurate 2495
<<locked>>
86%
57159
90%
**90
100%
Accurate 2520
<<locked>>
86%
57319
90%
**23
100%
Accurate 2700
<<locked>>
94%
57377
90%
**90
98%
Accurate 3100
<<locked>>
97%
36172
57%
**67
95%
Accurate 4064
<<locked>>
92%
57000
89%
**16
100%
Accurate 4350
<<locked>>
97%
51024
80%
**26
100%
Alliant AR-Comp
<<locked>>
86%
56942
89%
**64
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
56710
89%
**57
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
57029
89%
**46
100%
Alliant Reloder-15
<<locked>>
91%
57232
90%
**69
100%
Alliant Reloder-16
<<locked>>
97%
49443
77%
**26
100%
Alliant Reloder-17 👍
<<locked>>
96%
56681
89%
**48
100%
[Alliant Reloder-19]*
<<locked>>
97%
43033
67%
**92
94%
[Alliant Reloder-22]*
<<locked>>
97%
37405
59%
**26
92%
Alliant Reloder-23
<<locked>>
97%
35201
55%
**93
98%
[Alliant Reloder-25]*
<<locked>>
97%
31459
49%
**01
92%
Alliant Reloder-26
<<locked>>
97%
38812
61%
**25
97%
Baschieri & Pellagri 107
<<locked>>
88%
56753
89%
**56
100%
Bofors RP3
<<locked>>
93%
57319
90%
**59
100%
[Bofors RP5]*
<<locked>>
97%
37405
59%
**26
92%
Bofors RP7
<<locked>>
96%
56666
89%
**26
98%
Hodgdon BL-C2
<<locked>>
86%
57203
90%
**62
100%
Hodgdon Benchmark
<<locked>>
85%
56884
89%
**64
100%
Hodgdon CFE223 👍
<<locked>>
91%
57174
90%
**02
100%
Hodgdon H322
<<locked>>
84%
57392
90%
**90
100%
Hodgdon H380
<<locked>>
92%
57188
90%
**56
100%
Hodgdon H414
<<locked>>
96%
57261
90%
**15
99%
Hodgdon H4350
<<locked>>
97%
47863
75%
**21
96%
Hodgdon H4895
<<locked>>
87%
57188
90%
**46
100%
Hodgdon Hybrid 100V
<<locked>>
97%
45527
71%
**18
100%
Hodgdon LVR 👍
<<locked>>
97%
54795
86%
**72
100%
Hodgdon Superperformance
<<locked>>
97%
54621
86%
**12
98%
Hodgdon VARGET
<<locked>>
93%
57130
90%
**33
100%
IMR 3031
<<locked>>
90%
57116
89%
**20
100%
IMR 4064
<<locked>>
94%
57290
90%
**23
100%
IMR 4166 Enduron
<<locked>>
94%
57232
90%
**03
98%
IMR 4350
<<locked>>
97%
50836
80%
**64
97%
IMR 4451 Enduron
<<locked>>
96%
57377
90%
**39
98%
IMR 4831
<<locked>>
97%
43062
67%
**92
99%
IMR 4895
<<locked>>
90%
57392
90%
**72
100%
IMR 8208 XBR
<<locked>>
86%
57174
90%
**10
100%
Lovex D073.6
<<locked>>
88%
56971
89%
**23
100%
Lovex S060
<<locked>>
88%
57290
90%
**80
100%
Lovex S062
<<locked>>
92%
57232
90%
**20
100%
Lovex S065
<<locked>>
97%
54868
86%
**10
99%
Lovex S070
<<locked>>
97%
52330
82%
**90
98%
[Lovex S071]*
<<locked>>
97%
30501
48%
**42
92%
Norma 201
<<locked>>
88%
56971
89%
**03
100%
Norma 202
<<locked>>
88%
57392
90%
**00
100%
Norma 203B
<<locked>>
91%
57203
90%
**62
100%
Norma 204
<<locked>>
97%
50691
79%
**00
96%
[Norma MRP]*
<<locked>>
97%
39146
61%
**98
94%
Norma URP
<<locked>>
97%
50198
79%
**16
99%
Ramshot Big Game
<<locked>>
91%
56869
89%
**75
100%
Ramshot Hunter
<<locked>>
97%
48863
77%
**07
98%
Ramshot TAC
<<locked>>
86%
57392
90%
**33
99%
Ramshot Wild Boar
<<locked>>
86%
56956
89%
**46
100%
Ramshot X-Terminator
<<locked>>
84%
56985
89%
**03
100%
ReloadSwiss RS 50
<<locked>>
92%
56710
89%
**33
99%
ReloadSwiss RS 52
<<locked>>
88%
56826
89%
**15
100%
ReloadSwiss RS 60
<<locked>>
95%
56637
89%
**51
100%
ReloadSwiss RS 62
<<locked>>
97%
50763
80%
**49
99%
ReloadSwiss RS 70
<<locked>>
97%
50212
79%
**62
99%
Rottweil R 901
<<locked>>
86%
57000
89%
**70
100%
Rottweil R 902
<<locked>>
90%
56898
89%
**93
100%
Rottweil R 903
<<locked>>
95%
56666
89%
**49
100%
[Rottweil R 904]*
<<locked>>
97%
45687
72%
**85
93%
[Rottweil R 905]*
<<locked>>
97%
41858
66%
**79
94%
Rottweil R 907
<<locked>>
96%
56666
89%
**26
98%
SNPE Vectan SP 11 👍
<<locked>>
94%
57305
90%
**85
100%
SNPE Vectan SP 7
<<locked>>
87%
57174
90%
**30
100%
SNPE Vectan SP 9
<<locked>>
89%
57188
90%
**36
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
56942
89%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
56840
89%
**21
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
55535
87%
**70
98%
Shooters World Long Rifle
<<locked>>
97%
54868
86%
**10
99%
Shooters World Match Rifle
<<locked>>
88%
56971
89%
**23
100%
Shooters World Precision
<<locked>>
92%
57232
90%
**20
100%
Somchem S321
<<locked>>
84%
57392
90%
**26
100%
Somchem S335
<<locked>>
88%
57116
90%
**38
100%
Somchem S341
<<locked>>
87%
57363
90%
**30
100%
Somchem S355
<<locked>>
95%
57174
90%
**43
100%
[Somchem S361]*
<<locked>>
97%
46441
73%
**72
92%
Somchem S365
<<locked>>
97%
45310
71%
**77
100%
Somchem S385
<<locked>>
97%
41945
66%
**59
95%
Vihtavuori N130
<<locked>>
84%
57188
90%
**98
100%
Vihtavuori N133
<<locked>>
90%
56898
89%
**11
100%
Vihtavuori N135
<<locked>>
96%
56811
89%
**67
100%
Vihtavuori N140
<<locked>>
90%
57188
90%
**77
100%
Vihtavuori N150
<<locked>>
97%
52040
82%
**48
100%
Vihtavuori N160
<<locked>>
97%
55927
88%
**52
100%
[Vihtavuori N165]*
<<locked>>
97%
35114
55%
**08
91%
Vihtavuori N530
<<locked>>
84%
57290
90%
**16
100%
Vihtavuori N540
<<locked>>
90%
57276
90%
**10
100%
Vihtavuori N550 👍
<<locked>>
97%
55825
87%
**92
100%
Vihtavuori N555
<<locked>>
97%
38116
60%
**62
98%
Winchester 6.5 StaBALL
<<locked>>
97%
53011
83%
**93
100%
Winchester 748
<<locked>>
84%
57072
89%
**43
100%
Winchester 760
<<locked>>
96%
57261
90%
**15
99%
Winchester StaBALL HD
<<locked>>
97%
31154
49%
**80
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
46499
73%
**88
100%
ADI AR 2208
<<locked>>
81%
39494
62%
**60
98%
[ADI AR 2209]*
<<locked>>
90%
35737
56%
**34
90%
Accurate 2015
<<locked>>
81%
52417
82%
**75
100%
Accurate 2200
<<locked>>
81%
48631
76%
**95
99%
Accurate 2495
<<locked>>
81%
47993
75%
**79
100%
Accurate 2520
<<locked>>
81%
48588
76%
**11
100%
[Accurate 2700]*
<<locked>>
81%
37840
59%
**82
93%
[Accurate 3100]*
<<locked>>
87%
26353
41%
**41
90%
Accurate 4064
<<locked>>
81%
40466
63%
**83
100%
[Accurate 4350]*
<<locked>>
81%
29631
46%
**33
94%
Alliant AR-Comp
<<locked>>
81%
49255
77%
**75
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
42264
66%
**25
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
38899
61%
**74
99%
Alliant Reloder-15
<<locked>>
81%
42018
66%
**36
99%
[Alliant Reloder-16]*
<<locked>>
81%
30385
48%
**42
94%
Alliant Reloder-17
<<locked>>
81%
33765
53%
**57
98%
[Alliant Reloder-19]*
<<locked>>
89%
34229
54%
**15
90%
[Alliant Reloder-22]*
<<locked>>
94%
34345
54%
**57
90%
[Alliant Reloder-23]*
<<locked>>
81%
22031
35%
**19
90%
[Alliant Reloder-25]*
<<locked>>
94%
28660
45%
**19
90%
[Alliant Reloder-26]*
<<locked>>
85%
26455
41%
**10
90%
Baschieri & Pellagri 107
<<locked>>
81%
45484
71%
**95
99%
Bofors RP3
<<locked>>
81%
38841
61%
**83
99%
[Bofors RP5]*
<<locked>>
94%
34345
54%
**57
90%
[Bofors RP7]*
<<locked>>
81%
35186
55%
**65
92%
Hodgdon BL-C2
<<locked>>
81%
48066
75%
**41
100%
Hodgdon Benchmark
<<locked>>
81%
50531
79%
**82
100%
Hodgdon CFE223
<<locked>>
81%
40176
63%
**43
98%
Hodgdon H322
<<locked>>
81%
51619
81%
**18
100%
Hodgdon H380
<<locked>>
81%
39668
62%
**90
97%
[Hodgdon H414]*
<<locked>>
81%
34911
55%
**38
93%
[Hodgdon H4350]*
<<locked>>
83%
31053
49%
**96
90%
Hodgdon H4895
<<locked>>
81%
46905
73%
**98
100%
Hodgdon Hybrid 100V
<<locked>>
81%
27934
44%
**60
96%
Hodgdon LVR
<<locked>>
81%
32967
52%
**85
95%
[Hodgdon Superperformance]*
<<locked>>
81%
31923
50%
**82
90%
Hodgdon VARGET
<<locked>>
81%
39363
62%
**54
98%
IMR 3031
<<locked>>
81%
42612
67%
**29
100%
IMR 4064
<<locked>>
81%
38725
61%
**34
98%
[IMR 4166 Enduron]*
<<locked>>
81%
38740
61%
**08
94%
[IMR 4350]*
<<locked>>
81%
31053
49%
**93
90%
[IMR 4451 Enduron]*
<<locked>>
81%
36579
57%
**95
94%
[IMR 4831]*
<<locked>>
81%
26411
41%
**34
93%
IMR 4895
<<locked>>
81%
42975
67%
**59
99%
IMR 8208 XBR
<<locked>>
81%
48631
76%
**95
100%
Lovex D073.6
<<locked>>
81%
45832
72%
**72
100%
Lovex S060
<<locked>>
81%
46398
73%
**29
100%
Lovex S062
<<locked>>
81%
41365
65%
**90
100%
[Lovex S065]*
<<locked>>
81%
33953
53%
**46
94%
[Lovex S070]*
<<locked>>
81%
32169
50%
**26
92%
[Lovex S071]*
<<locked>>
92%
26353
41%
**41
90%
Norma 201
<<locked>>
81%
45498
71%
**49
100%
Norma 202
<<locked>>
81%
45818
72%
**49
100%
Norma 203B
<<locked>>
81%
41394
65%
**23
99%
[Norma 204]*
<<locked>>
86%
35056
55%
**15
90%
[Norma MRP]*
<<locked>>
90%
31357
49%
**15
90%
[Norma URP]*
<<locked>>
81%
30284
47%
**42
94%
Ramshot Big Game
<<locked>>
81%
40857
64%
**43
99%
[Ramshot Hunter]*
<<locked>>
81%
29573
46%
**13
91%
Ramshot TAC
<<locked>>
81%
48356
76%
**05
98%
Ramshot Wild Boar
<<locked>>
81%
48008
75%
**21
100%
Ramshot X-Terminator
<<locked>>
81%
52460
82%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
40059
63%
**70
96%
ReloadSwiss RS 52
<<locked>>
81%
44063
69%
**28
99%
ReloadSwiss RS 60
<<locked>>
81%
35940
56%
**13
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
29530
46%
**46
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
29791
47%
**46
92%
Rottweil R 901
<<locked>>
81%
49734
78%
**79
100%
Rottweil R 902
<<locked>>
81%
43265
68%
**00
100%
Rottweil R 903
<<locked>>
81%
36506
57%
**34
99%
[Rottweil R 904]*
<<locked>>
91%
37942
59%
**47
90%
[Rottweil R 905]*
<<locked>>
90%
33707
53%
**15
90%
[Rottweil R 907]*
<<locked>>
81%
35186
55%
**65
92%
SNPE Vectan SP 11
<<locked>>
81%
37420
59%
**77
98%
SNPE Vectan SP 7
<<locked>>
81%
46949
74%
**85
99%
SNPE Vectan SP 9
<<locked>>
81%
44788
70%
**62
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47123
74%
**03
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39102
61%
**85
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
32953
52%
**00
92%
[Shooters World Long Rifle]*
<<locked>>
81%
33953
53%
**46
94%
Shooters World Match Rifle
<<locked>>
81%
45832
72%
**72
100%
Shooters World Precision
<<locked>>
81%
41365
65%
**90
100%
Somchem S321
<<locked>>
81%
52591
82%
**67
100%
Somchem S335
<<locked>>
81%
46369
73%
**97
100%
Somchem S341
<<locked>>
81%
46412
73%
**82
100%
Somchem S355
<<locked>>
81%
37289
58%
**38
99%
[Somchem S361]*
<<locked>>
93%
40698
64%
**77
90%
Somchem S365
<<locked>>
81%
27137
43%
**00
97%
[Somchem S385]*
<<locked>>
87%
30951
49%
**33
90%
Vihtavuori N130
<<locked>>
81%
51779
81%
**33
100%
Vihtavuori N133
<<locked>>
81%
44150
69%
**51
100%
Vihtavuori N135
<<locked>>
81%
36405
57%
**82
100%
Vihtavuori N140
<<locked>>
81%
42772
67%
**87
100%
Vihtavuori N150
<<locked>>
81%
31894
50%
**10
99%
Vihtavuori N160
<<locked>>
81%
33011
52%
**72
96%
[Vihtavuori N165]*
<<locked>>
94%
32706
51%
**56
90%
Vihtavuori N530
<<locked>>
81%
51184
80%
**38
100%
Vihtavuori N540
<<locked>>
81%
42540
67%
**06
100%
Vihtavuori N550
<<locked>>
81%
33243
52%
**01
95%
[Vihtavuori N555]*
<<locked>>
81%
23177
36%
**88
91%
Winchester 6.5 StaBALL
<<locked>>
81%
31357
49%
**16
97%
Winchester 748
<<locked>>
81%
52069
82%
**87
100%
[Winchester 760]*
<<locked>>
81%
34911
55%
**38
93%
[Winchester StaBALL HD]*
<<locked>>
87%
23177
36%
**08
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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