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Load data for .375 Weath. Mag. + .375 | 300gr | Barnes X S

Recommended Powder(s): Accurate 4350, Hodgdon CFE223, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550

.375 Weath. Mag. + .375 | 300gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Barnes X S
Manufacturer SKU:
37590
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.470" | 37.3mm
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.813" | 20.7mm
Shank Seated Depth:
0.813" | 20.7mm
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_B741_C568
Last updated:
2025-01-01

Load data for 190 loads in caliber .375 Weath. Mag. with .375 | 300gr | Barnes X S bullet and 95 powders such as Accurate 4350, Hodgdon CFE223, 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%
57000
89%
**10
100%
ADI AR 2208
<<locked>>
92%
57232
90%
**00
100%
[ADI AR 2209]*
<<locked>>
97%
47181
74%
**21
94%
Accurate 2200
<<locked>>
84%
56550
89%
**70
100%
Accurate 2495
<<locked>>
83%
56942
89%
**48
100%
Accurate 2520
<<locked>>
84%
57188
90%
**87
100%
Accurate 2700
<<locked>>
92%
57174
90%
**51
98%
Accurate 3100
<<locked>>
97%
40828
64%
**10
96%
Accurate 4064
<<locked>>
89%
57101
89%
**74
100%
Accurate 4350 👍
<<locked>>
97%
55230
87%
**43
100%
Alliant AR-Comp
<<locked>>
84%
57377
90%
**34
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
56869
89%
**10
100%
Alliant Reloder-15
<<locked>>
89%
56826
89%
**23
100%
Alliant Reloder-16
<<locked>>
97%
52417
82%
**39
100%
Alliant Reloder-17
<<locked>>
95%
57145
90%
**21
100%
[Alliant Reloder-19]*
<<locked>>
97%
45847
72%
**08
94%
[Alliant Reloder-22]*
<<locked>>
97%
40814
64%
**59
93%
Alliant Reloder-23
<<locked>>
97%
38740
61%
**29
99%
[Alliant Reloder-25]*
<<locked>>
97%
34606
54%
**38
94%
Alliant Reloder-26
<<locked>>
97%
42482
67%
**64
98%
Baschieri & Pellagri 107
<<locked>>
86%
57406
90%
**33
100%
Hodgdon BL-C2
<<locked>>
84%
57159
90%
**26
100%
Hodgdon Benchmark
<<locked>>
83%
56971
89%
**31
100%
Hodgdon CFE223 👍
<<locked>>
90%
57101
89%
**69
100%
Hodgdon H380
<<locked>>
90%
56811
89%
**20
100%
Hodgdon H414
<<locked>>
94%
57087
89%
**79
98%
Hodgdon H4350
<<locked>>
97%
51039
80%
**38
97%
Hodgdon Hybrid 100V
<<locked>>
97%
49168
77%
**38
100%
Hodgdon LVR 👍
<<locked>>
96%
56927
89%
**66
100%
Hodgdon Superperformance
<<locked>>
96%
56869
89%
**08
98%
Hodgdon VARGET
<<locked>>
92%
57232
90%
**00
100%
IMR 3031
<<locked>>
88%
57116
90%
**90
100%
IMR 4064
<<locked>>
92%
57087
89%
**87
100%
IMR 4166 Enduron
<<locked>>
93%
57319
90%
**77
98%
IMR 4350
<<locked>>
97%
53664
84%
**70
97%
IMR 4451 Enduron
<<locked>>
94%
57319
90%
**03
98%
IMR 4831
<<locked>>
97%
46746
73%
**11
99%
IMR 4895
<<locked>>
88%
56913
89%
**33
100%
[IMR 4955 Enduron]*
<<locked>>
97%
44309
69%
**16
91%
IMR 8208 XBR
<<locked>>
85%
57058
89%
**80
100%
Lovex D073.6
<<locked>>
86%
57188
90%
**87
100%
Lovex S060
<<locked>>
86%
56869
89%
**48
100%
Lovex S062
<<locked>>
89%
57145
90%
**84
100%
Lovex S065
<<locked>>
96%
57014
89%
**00
99%
Lovex S070
<<locked>>
97%
55840
88%
**03
98%
[Lovex S071]*
<<locked>>
97%
34809
55%
**98
94%
Norma 201
<<locked>>
86%
57232
90%
**70
100%
Norma 202
<<locked>>
86%
56869
89%
**64
100%
Norma 203B
<<locked>>
89%
56608
89%
**23
100%
Norma 204
<<locked>>
97%
53505
84%
**10
96%
Norma MRP
<<locked>>
97%
42351
66%
**18
95%
Norma URP
<<locked>>
97%
53316
84%
**26
100%
Ramshot Big Game
<<locked>>
89%
56565
89%
**39
100%
Ramshot Hunter
<<locked>>
97%
52243
82%
**20
98%
[Ramshot Magnum]*
<<locked>>
97%
38972
61%
**90
92%
Ramshot TAC
<<locked>>
84%
57421
90%
**97
99%
Ramshot Wild Boar
<<locked>>
84%
56768
89%
**10
100%
ReloadSwiss RS 50
<<locked>>
90%
57246
90%
**10
99%
ReloadSwiss RS 52
<<locked>>
90%
57188
90%
**52
100%
ReloadSwiss RS 60
<<locked>>
96%
57377
90%
**44
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
53940
85%
**62
100%
ReloadSwiss RS 70
<<locked>>
97%
53635
84%
**82
99%
Rottweil R 901
<<locked>>
83%
56927
89%
**31
100%
Rottweil R 902
<<locked>>
88%
56869
89%
**61
100%
Rottweil R 903
<<locked>>
93%
57116
89%
**16
100%
[Rottweil R 904]*
<<locked>>
97%
48051
75%
**92
93%
[Rottweil R 905]*
<<locked>>
97%
45020
71%
**02
94%
Rottweil R 907
<<locked>>
95%
56956
89%
**97
98%
SNPE Vectan SP 11
<<locked>>
92%
56666
89%
**46
100%
SNPE Vectan SP 7
<<locked>>
85%
57087
89%
**93
100%
SNPE Vectan SP 9
<<locked>>
87%
56956
89%
**07
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57348
90%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
57276
90%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
57116
90%
**54
98%
Shooters World Long Rifle
<<locked>>
96%
57014
89%
**00
99%
Shooters World Match Rifle
<<locked>>
86%
57188
90%
**87
100%
Shooters World Precision
<<locked>>
89%
57145
90%
**84
100%
Somchem S335
<<locked>>
86%
57421
90%
**05
100%
Somchem S341
<<locked>>
86%
57392
90%
**97
100%
Somchem S355
<<locked>>
92%
56565
89%
**00
100%
[Somchem S361]*
<<locked>>
97%
50125
79%
**95
93%
Somchem S365
<<locked>>
97%
48834
77%
**93
100%
Somchem S385
<<locked>>
97%
45672
72%
**85
96%
Vihtavuori N133
<<locked>>
88%
56768
89%
**75
100%
Vihtavuori N135
<<locked>>
94%
57377
90%
**38
100%
Vihtavuori N140
<<locked>>
89%
57377
90%
**48
100%
Vihtavuori N150
<<locked>>
97%
55419
87%
**57
100%
Vihtavuori N160
<<locked>>
96%
56826
89%
**30
100%
[Vihtavuori N165]*
<<locked>>
97%
38551
60%
**41
92%
Vihtavuori N540
<<locked>>
89%
57188
90%
**77
100%
Vihtavuori N550 👍
<<locked>>
96%
56927
89%
**69
100%
Vihtavuori N555
<<locked>>
97%
42308
66%
**02
99%
Winchester 6.5 StaBALL
<<locked>>
97%
55999
88%
**03
100%
Winchester 760
<<locked>>
94%
57087
89%
**79
98%
Winchester StaBALL HD
<<locked>>
97%
34838
55%
**39
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49530
78%
**05
100%
ADI AR 2208
<<locked>>
81%
42409
66%
**74
99%
[ADI AR 2209]*
<<locked>>
88%
36303
57%
**08
90%
Accurate 2200
<<locked>>
81%
51532
81%
**02
99%
Accurate 2495
<<locked>>
81%
53751
84%
**08
100%
Accurate 2520
<<locked>>
81%
52605
82%
**28
100%
[Accurate 2700]*
<<locked>>
81%
41394
65%
**08
94%
[Accurate 3100]*
<<locked>>
83%
27209
43%
**14
90%
Accurate 4064
<<locked>>
81%
45513
71%
**20
100%
Accurate 4350
<<locked>>
81%
33852
53%
**85
96%
Alliant AR-Comp
<<locked>>
81%
52272
82%
**79
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
42699
67%
**03
100%
Alliant Reloder-15
<<locked>>
81%
45266
71%
**56
99%
Alliant Reloder-16
<<locked>>
81%
33489
52%
**82
96%
Alliant Reloder-17
<<locked>>
81%
37043
58%
**90
99%
[Alliant Reloder-19]*
<<locked>>
87%
35375
55%
**98
90%
[Alliant Reloder-22]*
<<locked>>
92%
35288
55%
**38
90%
[Alliant Reloder-23]*
<<locked>>
81%
25411
40%
**88
93%
[Alliant Reloder-25]*
<<locked>>
90%
29153
46%
**90
90%
[Alliant Reloder-26]*
<<locked>>
82%
27122
43%
**77
90%
Baschieri & Pellagri 107
<<locked>>
81%
48950
77%
**15
99%
Hodgdon BL-C2
<<locked>>
81%
51706
81%
**54
100%
Hodgdon Benchmark
<<locked>>
81%
53156
83%
**85
100%
Hodgdon CFE223
<<locked>>
81%
43178
68%
**59
98%
Hodgdon H380
<<locked>>
81%
43468
68%
**16
98%
[Hodgdon H414]*
<<locked>>
81%
38072
60%
**64
94%
[Hodgdon H4350]*
<<locked>>
81%
32837
51%
**93
91%
Hodgdon Hybrid 100V
<<locked>>
81%
31154
49%
**96
97%
Hodgdon LVR
<<locked>>
81%
36071
57%
**15
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34722
54%
**08
91%
Hodgdon VARGET
<<locked>>
81%
42032
66%
**70
99%
IMR 3031
<<locked>>
81%
45934
72%
**46
100%
IMR 4064
<<locked>>
81%
41713
65%
**54
99%
IMR 4166 Enduron
<<locked>>
81%
41466
65%
**21
95%
[IMR 4350]*
<<locked>>
81%
34229
54%
**29
92%
[IMR 4451 Enduron]*
<<locked>>
81%
39610
62%
**18
94%
[IMR 4831]*
<<locked>>
81%
29907
47%
**77
94%
IMR 4895
<<locked>>
81%
46224
72%
**79
100%
[IMR 4955 Enduron]*
<<locked>>
94%
40901
64%
**57
90%
IMR 8208 XBR
<<locked>>
81%
51271
80%
**95
100%
Lovex D073.6
<<locked>>
81%
49603
78%
**88
100%
Lovex S060
<<locked>>
81%
49211
77%
**36
100%
Lovex S062
<<locked>>
81%
45107
71%
**13
100%
Lovex S065
<<locked>>
81%
37768
59%
**82
95%
[Lovex S070]*
<<locked>>
81%
35824
56%
**65
93%
[Lovex S071]*
<<locked>>
88%
27180
43%
**14
90%
Norma 201
<<locked>>
81%
49632
78%
**69
100%
Norma 202
<<locked>>
81%
49298
77%
**62
100%
Norma 203B
<<locked>>
81%
44599
70%
**46
99%
[Norma 204]*
<<locked>>
83%
35737
56%
**88
90%
[Norma MRP]*
<<locked>>
87%
32242
51%
**88
90%
Norma URP
<<locked>>
81%
33620
53%
**75
96%
Ramshot Big Game
<<locked>>
81%
44164
69%
**59
99%
[Ramshot Hunter]*
<<locked>>
81%
32706
51%
**56
93%
[Ramshot Magnum]*
<<locked>>
94%
35549
56%
**15
90%
Ramshot TAC
<<locked>>
81%
51445
81%
**18
99%
Ramshot Wild Boar
<<locked>>
81%
51111
80%
**34
100%
ReloadSwiss RS 50
<<locked>>
81%
43134
68%
**90
96%
ReloadSwiss RS 52
<<locked>>
81%
43787
69%
**59
100%
ReloadSwiss RS 60
<<locked>>
81%
36042
56%
**83
99%
ReloadSwiss RS 62
<<locked>>
81%
33156
52%
**88
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32909
52%
**82
94%
Rottweil R 901
<<locked>>
81%
53853
84%
**92
100%
Rottweil R 902
<<locked>>
81%
47123
74%
**20
100%
Rottweil R 903
<<locked>>
81%
40451
63%
**70
99%
[Rottweil R 904]*
<<locked>>
89%
39175
61%
**28
90%
[Rottweil R 905]*
<<locked>>
87%
34301
54%
**85
90%
[Rottweil R 907]*
<<locked>>
81%
38653
61%
**92
93%
SNPE Vectan SP 11
<<locked>>
81%
40611
64%
**06
99%
SNPE Vectan SP 7
<<locked>>
81%
50444
79%
**98
99%
SNPE Vectan SP 9
<<locked>>
81%
47921
75%
**79
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50227
79%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42134
66%
**98
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36332
57%
**29
93%
Shooters World Long Rifle
<<locked>>
81%
37768
59%
**82
95%
Shooters World Match Rifle
<<locked>>
81%
49603
78%
**88
100%
Shooters World Precision
<<locked>>
81%
45107
71%
**13
100%
Somchem S335
<<locked>>
81%
49893
78%
**13
100%
Somchem S341
<<locked>>
81%
49806
78%
**92
100%
Somchem S355
<<locked>>
81%
41002
64%
**70
99%
[Somchem S361]*
<<locked>>
91%
42032
66%
**64
90%
Somchem S365
<<locked>>
81%
30603
48%
**42
98%
[Somchem S385]*
<<locked>>
84%
31647
50%
**13
90%
Vihtavuori N133
<<locked>>
81%
47268
74%
**57
100%
Vihtavuori N135
<<locked>>
81%
40161
63%
**01
100%
Vihtavuori N140
<<locked>>
81%
46195
72%
**00
100%
Vihtavuori N150
<<locked>>
81%
35375
55%
**42
99%
Vihtavuori N160
<<locked>>
81%
36303
57%
**98
96%
[Vihtavuori N165]*
<<locked>>
92%
33460
52%
**33
90%
Vihtavuori N540
<<locked>>
81%
45832
72%
**23
100%
Vihtavuori N550
<<locked>>
81%
36854
58%
**41
97%
[Vihtavuori N555]*
<<locked>>
81%
27224
43%
**60
93%
Winchester 6.5 StaBALL
<<locked>>
81%
34679
54%
**56
98%
[Winchester 760]*
<<locked>>
81%
38072
60%
**64
94%
[Winchester StaBALL HD]*
<<locked>>
83%
23743
37%
**75
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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