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Load data for .375 Blaser Mag + .375 | 270gr | Barnes X S

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Alliant Reloder-17, Norma URP, Vihtavuori N550

.375 Blaser Mag + .375 | 270gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Barnes X S
Manufacturer SKU:
37585
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.365" | 34.7mm
Caliber:
.375 Blaser Mag load data
Case Length (l3):
2.814" | 71.5mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.633" | 16.1mm
Shank Seated Depth:
0.633" | 16.1mm
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_B735_C536
Last updated:
2025-01-01

Load data for 166 loads in caliber .375 Blaser Mag with .375 | 270gr | Barnes X S bullet and 83 powders such as Accurate 4350, Alliant Reloder-16, Alliant Reloder-17, Norma URP, 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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  • .

    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.

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>>
84%
54302
89%
**38
100%
ADI AR 2208
<<locked>>
90%
54578
90%
**31
100%
[ADI AR 2209]*
<<locked>>
97%
46789
77%
**69
93%
Accurate 2700
<<locked>>
90%
53998
89%
**69
97%
Accurate 3100
<<locked>>
97%
40843
67%
**61
95%
Accurate 4064
<<locked>>
87%
54694
90%
**15
100%
Accurate 4350 👍
<<locked>>
96%
53838
88%
**97
99%
Alliant Reloder- TS 15.5
<<locked>>
89%
54418
89%
**48
100%
Alliant Reloder-15
<<locked>>
87%
54520
90%
**67
100%
Alliant Reloder-16 👍
<<locked>>
97%
52750
87%
**17
100%
Alliant Reloder-17 👍
<<locked>>
93%
54578
90%
**62
100%
[Alliant Reloder-19]*
<<locked>>
97%
46369
76%
**75
94%
[Alliant Reloder-22]*
<<locked>>
97%
41075
67%
**10
92%
Alliant Reloder-23
<<locked>>
97%
39160
64%
**87
99%
[Alliant Reloder-25]*
<<locked>>
97%
34664
57%
**82
93%
Alliant Reloder-26
<<locked>>
97%
42685
70%
**18
97%
Baschieri & Pellagri 107
<<locked>>
84%
54679
90%
**71
100%
Hodgdon CFE223
<<locked>>
88%
54563
90%
**03
100%
Hodgdon H380
<<locked>>
89%
54679
90%
**54
99%
Hodgdon H414
<<locked>>
92%
54607
90%
**13
98%
Hodgdon H4350
<<locked>>
97%
51532
85%
**05
96%
Hodgdon Hybrid 100V
<<locked>>
97%
49371
81%
**08
100%
Hodgdon LVR
<<locked>>
94%
54288
89%
**97
99%
Hodgdon Superperformance
<<locked>>
95%
53983
89%
**30
97%
Hodgdon VARGET
<<locked>>
90%
54578
90%
**31
100%
IMR 3031
<<locked>>
86%
54360
89%
**31
100%
IMR 4064
<<locked>>
91%
54708
90%
**25
100%
IMR 4166 Enduron
<<locked>>
91%
54636
90%
**02
98%
IMR 4350
<<locked>>
97%
53563
88%
**38
97%
IMR 4451 Enduron
<<locked>>
92%
54346
89%
**28
97%
IMR 4831
<<locked>>
97%
47253
78%
**82
99%
IMR 4895
<<locked>>
86%
54259
89%
**67
100%
Lovex D073.6
<<locked>>
84%
54578
90%
**21
100%
Lovex S060
<<locked>>
84%
54317
89%
**79
100%
Lovex S062
<<locked>>
88%
54201
89%
**18
100%
Lovex S065
<<locked>>
94%
54563
90%
**35
99%
Lovex S070
<<locked>>
96%
54433
89%
**54
98%
[Lovex S071]*
<<locked>>
97%
34853
57%
**33
93%
Norma 201
<<locked>>
84%
54534
90%
**05
100%
Norma 202
<<locked>>
84%
54650
90%
**05
100%
Norma 203B
<<locked>>
87%
54201
89%
**54
100%
Norma 204
<<locked>>
97%
54201
89%
**80
96%
[Norma MRP]*
<<locked>>
97%
42743
70%
**79
94%
Norma URP 👍
<<locked>>
97%
53998
89%
**03
99%
Ramshot Big Game
<<locked>>
88%
54389
89%
**80
100%
Ramshot Hunter
<<locked>>
97%
52634
86%
**97
98%
ReloadSwiss RS 50
<<locked>>
88%
54389
89%
**35
98%
ReloadSwiss RS 52
<<locked>>
88%
54447
89%
**90
100%
ReloadSwiss RS 60
<<locked>>
94%
54027
89%
**72
100%
ReloadSwiss RS 62
<<locked>>
97%
54317
89%
**33
99%
ReloadSwiss RS 70
<<locked>>
97%
53519
88%
**49
99%
Rottweil R 902
<<locked>>
86%
54621
90%
**98
100%
Rottweil R 903
<<locked>>
91%
54302
89%
**48
100%
[Rottweil R 904]*
<<locked>>
97%
48878
80%
**59
93%
[Rottweil R 905]*
<<locked>>
97%
44933
74%
**52
94%
Rottweil R 907
<<locked>>
93%
54737
90%
**31
97%
SNPE Vectan SP 11
<<locked>>
90%
54447
89%
**90
100%
SNPE Vectan SP 7
<<locked>>
83%
54563
90%
**25
99%
SNPE Vectan SP 9
<<locked>>
85%
54621
90%
**44
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
54143
89%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
53969
89%
**26
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
54346
89%
**85
97%
Shooters World Long Rifle
<<locked>>
94%
54563
90%
**35
99%
Shooters World Match Rifle
<<locked>>
84%
54578
90%
**21
100%
Shooters World Precision
<<locked>>
88%
54201
89%
**18
100%
Somchem S335
<<locked>>
84%
54418
89%
**36
100%
Somchem S341
<<locked>>
84%
54433
89%
**25
100%
Somchem S355
<<locked>>
91%
54636
90%
**44
100%
[Somchem S361]*
<<locked>>
97%
50024
82%
**49
92%
Somchem S365
<<locked>>
97%
48704
80%
**61
100%
Somchem S385
<<locked>>
97%
46006
76%
**46
95%
Vihtavuori N133
<<locked>>
86%
54578
90%
**23
100%
Vihtavuori N135
<<locked>>
92%
54505
89%
**72
100%
Vihtavuori N140
<<locked>>
87%
54404
89%
**79
100%
Vihtavuori N150
<<locked>>
96%
54708
90%
**12
100%
Vihtavuori N160
<<locked>>
94%
54346
89%
**67
99%
[Vihtavuori N165]*
<<locked>>
97%
38783
64%
**88
92%
Vihtavuori N540
<<locked>>
87%
54708
90%
**18
100%
Vihtavuori N550 👍
<<locked>>
94%
54766
90%
**10
99%
Vihtavuori N555
<<locked>>
97%
42786
70%
**62
98%
Winchester 6.5 StaBALL
<<locked>>
96%
54665
90%
**54
100%
Winchester 760
<<locked>>
92%
54607
90%
**13
98%
Winchester StaBALL HD
<<locked>>
97%
35360
58%
**93
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50009
82%
**69
100%
ADI AR 2208
<<locked>>
81%
42554
70%
**28
98%
[ADI AR 2209]*
<<locked>>
90%
38130
63%
**92
90%
[Accurate 2700]*
<<locked>>
81%
41510
68%
**59
93%
[Accurate 3100]*
<<locked>>
85%
28572
47%
**85
90%
Accurate 4064
<<locked>>
81%
45745
75%
**80
100%
Accurate 4350
<<locked>>
81%
34113
56%
**29
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
42699
70%
**61
99%
Alliant Reloder-15
<<locked>>
81%
45716
75%
**16
99%
Alliant Reloder-16
<<locked>>
81%
33402
55%
**23
95%
Alliant Reloder-17
<<locked>>
81%
37101
61%
**44
98%
[Alliant Reloder-19]*
<<locked>>
89%
36927
61%
**79
90%
[Alliant Reloder-22]*
<<locked>>
93%
37144
61%
**25
90%
[Alliant Reloder-23]*
<<locked>>
81%
25541
42%
**16
92%
[Alliant Reloder-25]*
<<locked>>
92%
30821
51%
**67
90%
[Alliant Reloder-26]*
<<locked>>
83%
28427
47%
**51
90%
Baschieri & Pellagri 107
<<locked>>
81%
49052
81%
**75
99%
Hodgdon CFE223
<<locked>>
81%
43540
71%
**20
98%
Hodgdon H380
<<locked>>
81%
43511
71%
**70
97%
[Hodgdon H414]*
<<locked>>
81%
38464
63%
**25
93%
[Hodgdon H4350]*
<<locked>>
82%
33359
55%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31401
52%
**44
96%
Hodgdon LVR
<<locked>>
81%
36463
60%
**69
95%
[Hodgdon Superperformance]*
<<locked>>
81%
34722
57%
**49
90%
Hodgdon VARGET
<<locked>>
81%
42119
69%
**25
98%
IMR 3031
<<locked>>
81%
46050
76%
**10
100%
IMR 4064
<<locked>>
81%
42105
69%
**15
98%
[IMR 4166 Enduron]*
<<locked>>
81%
41437
68%
**72
94%
[IMR 4350]*
<<locked>>
81%
34243
56%
**64
91%
[IMR 4451 Enduron]*
<<locked>>
81%
39711
65%
**69
94%
[IMR 4831]*
<<locked>>
81%
30066
49%
**21
94%
IMR 4895
<<locked>>
81%
46688
77%
**49
99%
Lovex D073.6
<<locked>>
81%
49835
82%
**56
100%
Lovex S060
<<locked>>
81%
49545
81%
**07
100%
Lovex S062
<<locked>>
81%
45208
74%
**70
100%
Lovex S065
<<locked>>
81%
37579
62%
**29
95%
[Lovex S070]*
<<locked>>
81%
36114
59%
**10
93%
[Lovex S071]*
<<locked>>
90%
28572
47%
**85
90%
Norma 201
<<locked>>
81%
49385
81%
**26
100%
Norma 202
<<locked>>
81%
49298
81%
**26
100%
Norma 203B
<<locked>>
81%
45049
74%
**07
99%
[Norma 204]*
<<locked>>
85%
37869
62%
**82
90%
[Norma MRP]*
<<locked>>
89%
33837
56%
**72
90%
Norma URP
<<locked>>
81%
33721
55%
**23
95%
Ramshot Big Game
<<locked>>
81%
44237
73%
**16
99%
[Ramshot Hunter]*
<<locked>>
81%
32996
54%
**00
92%
ReloadSwiss RS 50
<<locked>>
81%
43366
71%
**48
96%
ReloadSwiss RS 52
<<locked>>
81%
43714
72%
**20
100%
ReloadSwiss RS 60
<<locked>>
81%
36085
59%
**31
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
33286
55%
**33
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
32953
54%
**26
93%
Rottweil R 902
<<locked>>
81%
47181
77%
**87
100%
Rottweil R 903
<<locked>>
81%
40582
67%
**25
99%
[Rottweil R 904]*
<<locked>>
91%
41147
68%
**18
90%
[Rottweil R 905]*
<<locked>>
89%
35955
59%
**69
90%
[Rottweil R 907]*
<<locked>>
81%
38885
64%
**39
93%
SNPE Vectan SP 11
<<locked>>
81%
40770
67%
**57
98%
SNPE Vectan SP 7
<<locked>>
81%
50633
83%
**69
99%
SNPE Vectan SP 9
<<locked>>
81%
48066
79%
**43
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
50096
82%
**70
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42003
69%
**52
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36709
60%
**77
93%
Shooters World Long Rifle
<<locked>>
81%
37579
62%
**29
95%
Shooters World Match Rifle
<<locked>>
81%
49835
82%
**56
100%
Shooters World Precision
<<locked>>
81%
45208
74%
**70
100%
Somchem S335
<<locked>>
81%
50154
82%
**74
100%
Somchem S341
<<locked>>
81%
49893
82%
**59
100%
Somchem S355
<<locked>>
81%
41234
68%
**25
99%
[Somchem S361]*
<<locked>>
93%
44034
72%
**41
90%
Somchem S365
<<locked>>
81%
30618
50%
**83
97%
[Somchem S385]*
<<locked>>
86%
33272
55%
**87
90%
Vihtavuori N133
<<locked>>
81%
47398
78%
**18
100%
Vihtavuori N135
<<locked>>
81%
40234
66%
**59
100%
Vihtavuori N140
<<locked>>
81%
45963
75%
**54
100%
Vihtavuori N150
<<locked>>
81%
35476
58%
**87
99%
Vihtavuori N160
<<locked>>
81%
36347
60%
**46
96%
[Vihtavuori N165]*
<<locked>>
93%
35331
58%
**13
90%
Vihtavuori N540
<<locked>>
81%
46064
76%
**87
100%
Vihtavuori N550
<<locked>>
81%
36898
61%
**92
96%
[Vihtavuori N555]*
<<locked>>
81%
27166
45%
**88
92%
Winchester 6.5 StaBALL
<<locked>>
81%
34737
57%
**93
97%
[Winchester 760]*
<<locked>>
81%
38464
63%
**25
93%
[Winchester StaBALL HD]*
<<locked>>
84%
24903
41%
**39
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.

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