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

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

.375 Blaser 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 Blaser Mag load data
Case Length (l3):
2.814" | 71.5mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.738" | 18.7mm
Shank Seated Depth:
0.738" | 18.7mm
Case Capacity:
107.5 Grains of Water | 6.98 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B741_C536
Last updated:
2025-01-01

Load data for 156 loads in caliber .375 Blaser Mag with .375 | 300gr | Barnes X S bullet and 78 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".

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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 2208
<<locked>>
88%
54549
90%
**84
100%
ADI AR 2209
<<locked>>
97%
49588
81%
**87
96%
[ADI AR 2213]*
<<locked>>
97%
44889
74%
**25
92%
Accurate 2700
<<locked>>
89%
54331
89%
**41
98%
Accurate 3100
<<locked>>
97%
43569
72%
**79
97%
Accurate 4064
<<locked>>
85%
54505
89%
**61
100%
Accurate 4350
<<locked>>
94%
54418
89%
**59
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
54476
89%
**07
100%
Alliant Reloder-15
<<locked>>
85%
54447
89%
**16
100%
Alliant Reloder-16 👍
<<locked>>
96%
54375
89%
**95
100%
Alliant Reloder-17
<<locked>>
92%
54404
89%
**08
100%
Alliant Reloder-19
<<locked>>
97%
48733
80%
**84
96%
[Alliant Reloder-22]*
<<locked>>
97%
43424
71%
**38
94%
Alliant Reloder-23
<<locked>>
97%
41118
68%
**02
100%
Alliant Reloder-25
<<locked>>
97%
36840
60%
**20
96%
Alliant Reloder-26
<<locked>>
97%
45121
74%
**39
99%
Hodgdon CFE223
<<locked>>
86%
54723
90%
**62
100%
Hodgdon H380
<<locked>>
87%
54244
89%
**03
100%
Hodgdon H414 👍
<<locked>>
90%
54404
89%
**72
99%
Hodgdon H4350
<<locked>>
97%
53345
88%
**00
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
46731
77%
**18
92%
Hodgdon Hybrid 100V
<<locked>>
97%
52489
86%
**03
100%
Hodgdon LVR
<<locked>>
93%
54230
89%
**49
100%
Hodgdon Superperformance
<<locked>>
93%
54795
90%
**08
98%
Hodgdon VARGET
<<locked>>
88%
54027
89%
**80
100%
IMR 3031
<<locked>>
85%
54143
89%
**74
100%
IMR 4064
<<locked>>
89%
54418
89%
**74
100%
IMR 4166 Enduron
<<locked>>
89%
54781
90%
**70
98%
IMR 4350
<<locked>>
96%
54737
90%
**20
98%
IMR 4451 Enduron
<<locked>>
91%
54549
90%
**90
98%
IMR 4831
<<locked>>
97%
49850
82%
**77
100%
IMR 4895
<<locked>>
85%
54360
89%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46485
76%
**82
93%
[IMR 7828 SSC]*
<<locked>>
97%
45397
75%
**51
93%
Lovex S062
<<locked>>
86%
54636
90%
**70
100%
Lovex S065
<<locked>>
92%
54346
89%
**93
99%
Lovex S070
<<locked>>
94%
54592
90%
**13
99%
Lovex S071
<<locked>>
97%
37275
61%
**67
96%
Norma 203B
<<locked>>
86%
54186
89%
**13
100%
Norma 204
<<locked>>
95%
54679
90%
**52
97%
Norma MRP
<<locked>>
97%
45266
74%
**07
97%
Norma URP
<<locked>>
95%
54665
90%
**66
100%
Ramshot Big Game
<<locked>>
86%
54795
90%
**39
100%
Ramshot Hunter
<<locked>>
96%
54418
89%
**79
99%
[Ramshot Magnum]*
<<locked>>
97%
42047
69%
**82
94%
ReloadSwiss RS 50
<<locked>>
87%
54360
89%
**97
99%
ReloadSwiss RS 52
<<locked>>
86%
54418
89%
**36
100%
ReloadSwiss RS 60
<<locked>>
93%
54781
90%
**31
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
54592
90%
**89
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
54099
89%
**15
100%
Rottweil R 902
<<locked>>
84%
54172
89%
**48
100%
Rottweil R 903
<<locked>>
89%
54650
90%
**00
100%
Rottweil R 904
<<locked>>
97%
50966
84%
**64
95%
Rottweil R 905
<<locked>>
97%
47659
78%
**70
96%
Rottweil R 907
<<locked>>
91%
54099
89%
**84
98%
SNPE Vectan SP 11
<<locked>>
89%
54317
89%
**43
100%
SNPE Vectan SP 9
<<locked>>
84%
54215
89%
**90
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
54404
89%
**85
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
54549
90%
**48
98%
Shooters World Long Rifle
<<locked>>
92%
54346
89%
**93
99%
Shooters World Precision
<<locked>>
86%
54636
90%
**70
100%
Somchem S355
<<locked>>
89%
54665
90%
**03
100%
[Somchem S361]*
<<locked>>
97%
52895
87%
**64
94%
Somchem S365
<<locked>>
97%
51982
85%
**56
100%
Somchem S385
<<locked>>
97%
48805
80%
**64
97%
Vihtavuori N133
<<locked>>
84%
53998
89%
**65
100%
Vihtavuori N135
<<locked>>
90%
54462
89%
**25
100%
Vihtavuori N140
<<locked>>
85%
54056
89%
**28
100%
Vihtavuori N150
<<locked>>
95%
54723
90%
**67
100%
Vihtavuori N160
<<locked>>
93%
54752
90%
**23
100%
[Vihtavuori N165]*
<<locked>>
97%
41031
67%
**16
94%
Vihtavuori N540
<<locked>>
85%
54128
89%
**61
100%
Vihtavuori N550
<<locked>>
92%
54810
90%
**66
100%
Vihtavuori N555
<<locked>>
97%
45136
74%
**67
99%
[Vihtavuori N560]*
<<locked>>
97%
43627
72%
**44
92%
Winchester 6.5 StaBALL
<<locked>>
94%
54665
90%
**07
100%
Winchester 760 👍
<<locked>>
90%
54404
89%
**72
99%
Winchester StaBALL HD
<<locked>>
97%
37376
61%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44396
73%
**29
99%
[ADI AR 2209]*
<<locked>>
84%
34432
57%
**92
90%
[ADI AR 2213]*
<<locked>>
93%
39972
66%
**26
90%
Accurate 2700
<<locked>>
81%
43308
71%
**70
95%
[Accurate 3100]*
<<locked>>
81%
27470
45%
**37
91%
Accurate 4064
<<locked>>
81%
48080
79%
**75
100%
Accurate 4350
<<locked>>
81%
36361
60%
**51
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
44889
74%
**59
100%
Alliant Reloder-15
<<locked>>
81%
48080
79%
**21
100%
Alliant Reloder-16
<<locked>>
81%
35375
58%
**47
97%
Alliant Reloder-17
<<locked>>
81%
39015
64%
**56
99%
[Alliant Reloder-19]*
<<locked>>
84%
33721
55%
**85
90%
[Alliant Reloder-22]*
<<locked>>
88%
33576
55%
**21
90%
Alliant Reloder-23
<<locked>>
81%
26760
44%
**54
95%
[Alliant Reloder-25]*
<<locked>>
87%
27963
46%
**80
90%
[Alliant Reloder-26]*
<<locked>>
81%
28021
46%
**33
92%
Hodgdon CFE223
<<locked>>
81%
46166
76%
**31
99%
Hodgdon H380
<<locked>>
81%
45513
75%
**72
99%
Hodgdon H414
<<locked>>
81%
40567
67%
**39
96%
[Hodgdon H4350]*
<<locked>>
81%
34200
56%
**49
92%
[Hodgdon H4831 SC]*
<<locked>>
92%
40379
66%
**03
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32938
54%
**62
98%
Hodgdon LVR
<<locked>>
81%
38508
63%
**90
97%
[Hodgdon Superperformance]*
<<locked>>
81%
36564
60%
**77
93%
Hodgdon VARGET
<<locked>>
81%
44338
73%
**29
99%
IMR 3031
<<locked>>
81%
48660
80%
**98
100%
IMR 4064
<<locked>>
81%
43772
72%
**10
99%
IMR 4166 Enduron
<<locked>>
81%
43468
71%
**83
96%
[IMR 4350]*
<<locked>>
81%
35955
59%
**88
93%
IMR 4451 Enduron
<<locked>>
81%
41524
68%
**74
96%
IMR 4831
<<locked>>
81%
31908
52%
**46
96%
IMR 4895
<<locked>>
81%
49124
81%
**44
100%
[IMR 4955 Enduron]*
<<locked>>
90%
38885
64%
**47
90%
[IMR 7828 SSC]*
<<locked>>
92%
39349
65%
**29
90%
Lovex S062
<<locked>>
81%
47253
78%
**65
100%
Lovex S065
<<locked>>
81%
39508
65%
**41
97%
Lovex S070
<<locked>>
81%
37956
62%
**31
95%
[Lovex S071]*
<<locked>>
84%
26194
43%
**98
90%
Norma 203B
<<locked>>
81%
47413
78%
**11
100%
[Norma 204]*
<<locked>>
81%
35186
58%
**01
91%
[Norma MRP]*
<<locked>>
84%
30574
50%
**72
90%
Norma URP
<<locked>>
81%
35607
58%
**38
97%
Ramshot Big Game
<<locked>>
81%
46485
76%
**21
100%
[Ramshot Hunter]*
<<locked>>
81%
34548
57%
**24
94%
[Ramshot Magnum]*
<<locked>>
90%
33750
55%
**01
90%
ReloadSwiss RS 50
<<locked>>
81%
45818
75%
**59
97%
ReloadSwiss RS 52
<<locked>>
81%
46499
76%
**18
100%
ReloadSwiss RS 60
<<locked>>
81%
37898
62%
**46
100%
ReloadSwiss RS 62
<<locked>>
81%
35201
58%
**60
96%
ReloadSwiss RS 70
<<locked>>
81%
34650
57%
**54
95%
Rottweil R 902
<<locked>>
81%
49719
82%
**85
100%
Rottweil R 903
<<locked>>
81%
42815
70%
**26
100%
[Rottweil R 904]*
<<locked>>
86%
37260
61%
**18
90%
[Rottweil R 905]*
<<locked>>
84%
32866
54%
**72
90%
Rottweil R 907
<<locked>>
81%
40669
67%
**54
95%
SNPE Vectan SP 11
<<locked>>
81%
43018
71%
**65
99%
SNPE Vectan SP 9
<<locked>>
81%
50386
83%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44121
72%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38798
64%
**92
95%
Shooters World Long Rifle
<<locked>>
81%
39508
65%
**41
97%
Shooters World Precision
<<locked>>
81%
47253
78%
**65
100%
Somchem S355
<<locked>>
81%
43236
71%
**29
100%
[Somchem S361]*
<<locked>>
87%
39798
65%
**44
90%
Somchem S365
<<locked>>
81%
32372
53%
**08
99%
[Somchem S385]*
<<locked>>
81%
30545
50%
**00
90%
Vihtavuori N133
<<locked>>
81%
49443
81%
**03
100%
Vihtavuori N135
<<locked>>
81%
42264
69%
**54
100%
Vihtavuori N140
<<locked>>
81%
48356
79%
**49
100%
Vihtavuori N150
<<locked>>
81%
37318
61%
**98
100%
Vihtavuori N160
<<locked>>
81%
38305
63%
**60
97%
[Vihtavuori N165]*
<<locked>>
88%
31923
52%
**19
90%
Vihtavuori N540
<<locked>>
81%
47921
79%
**72
100%
Vihtavuori N550
<<locked>>
81%
39189
64%
**10
98%
Vihtavuori N555
<<locked>>
81%
28732
47%
**23
95%
[Vihtavuori N560]*
<<locked>>
94%
40059
66%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36521
60%
**18
99%
Winchester 760
<<locked>>
81%
40567
67%
**39
96%
[Winchester StaBALL HD]*
<<locked>>
81%
24076
40%
**18
92%

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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