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Load data for .375 Blaser Mag + .375 | 300gr | A-Square MONO RN

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

.375 Blaser Mag + .375 | 300gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | A-Square MONO RN
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.375 Blaser Mag load data
Case Length (l3):
2.814" | 71.5mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.418" | 10.6mm
Shank Seated Depth:
0.418" | 10.6mm
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_B393_C536
Last updated:
2025-01-01

Load data for 162 loads in caliber .375 Blaser Mag with .375 | 300gr | A-Square MONO RN bullet and 81 powders such as Alliant Reloder-16, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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 2208
<<locked>>
87%
54317
89%
**39
100%
ADI AR 2209
<<locked>>
97%
50314
83%
**72
97%
[ADI AR 2213]*
<<locked>>
97%
45237
74%
**00
94%
Accurate 2700
<<locked>>
88%
54143
89%
**07
98%
Accurate 3100
<<locked>>
97%
43395
71%
**38
98%
Accurate 4064
<<locked>>
86%
54027
89%
**16
100%
Accurate 4350
<<locked>>
94%
54462
89%
**15
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
54563
90%
**59
100%
Alliant Reloder-15
<<locked>>
85%
54737
90%
**82
100%
Alliant Reloder-16 👍
<<locked>>
95%
54317
89%
**51
100%
Alliant Reloder-17
<<locked>>
91%
54636
90%
**67
100%
Alliant Reloder-19
<<locked>>
97%
49516
81%
**56
97%
Alliant Reloder-22
<<locked>>
97%
43729
72%
**10
96%
Alliant Reloder-23
<<locked>>
97%
41191
68%
**57
100%
Alliant Reloder-25
<<locked>>
97%
36100
59%
**72
96%
Alliant Reloder-26
<<locked>>
97%
46195
76%
**21
100%
Hodgdon CFE223
<<locked>>
86%
54360
89%
**15
100%
Hodgdon H380
<<locked>>
87%
54723
90%
**79
100%
Hodgdon H414 👍
<<locked>>
90%
54549
90%
**31
99%
Hodgdon H4350
<<locked>>
96%
54157
89%
**66
98%
[Hodgdon H4831]*
<<locked>>
97%
41858
69%
**95
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
47413
78%
**97
94%
Hodgdon Hybrid 100V
<<locked>>
97%
53766
88%
**72
100%
Hodgdon LVR
<<locked>>
92%
54099
89%
**08
100%
Hodgdon Superperformance
<<locked>>
93%
54520
90%
**61
99%
Hodgdon VARGET
<<locked>>
88%
54418
89%
**46
100%
IMR 3031
<<locked>>
84%
54723
90%
**33
100%
IMR 4064
<<locked>>
88%
54679
90%
**36
100%
IMR 4166 Enduron
<<locked>>
89%
54781
90%
**30
99%
IMR 4350
<<locked>>
95%
54230
89%
**66
99%
IMR 4451 Enduron
<<locked>>
90%
54505
89%
**52
99%
IMR 4831
<<locked>>
97%
50299
83%
**43
100%
IMR 4895
<<locked>>
85%
54737
90%
**82
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47123
77%
**54
94%
[IMR 7828 SSC]*
<<locked>>
97%
46195
76%
**33
94%
Lovex S062
<<locked>>
86%
54752
90%
**33
100%
Lovex S065
<<locked>>
92%
54752
90%
**62
100%
Lovex S070
<<locked>>
94%
54795
90%
**82
99%
Lovex S071
<<locked>>
97%
36622
60%
**10
96%
Norma 201
<<locked>>
83%
54795
90%
**23
100%
Norma 203B
<<locked>>
86%
54462
89%
**75
100%
Norma 204
<<locked>>
95%
54592
90%
**15
98%
Norma MRP
<<locked>>
97%
45643
75%
**69
97%
Norma URP
<<locked>>
95%
54781
90%
**21
100%
Ramshot Big Game
<<locked>>
85%
54462
89%
**92
100%
Ramshot Hunter 👍
<<locked>>
96%
54810
90%
**44
100%
Ramshot Magnum
<<locked>>
97%
41713
68%
**44
95%
ReloadSwiss RS 50
<<locked>>
87%
54447
89%
**59
99%
ReloadSwiss RS 52
<<locked>>
86%
54636
90%
**92
100%
ReloadSwiss RS 60
<<locked>>
92%
54781
90%
**90
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
54244
89%
**41
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
54404
89%
**87
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
34896
57%
**59
93%
Rottweil R 902
<<locked>>
85%
54636
90%
**10
100%
Rottweil R 903
<<locked>>
89%
54230
89%
**56
100%
Rottweil R 904
<<locked>>
97%
52286
86%
**52
96%
Rottweil R 905
<<locked>>
97%
48414
79%
**46
97%
Rottweil R 907
<<locked>>
91%
54607
90%
**56
99%
SNPE Vectan SP 11
<<locked>>
88%
54491
89%
**98
100%
SNPE Vectan SP 9
<<locked>>
83%
54723
90%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
54650
90%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
54766
90%
**16
99%
Shooters World Long Rifle
<<locked>>
92%
54752
90%
**62
100%
Shooters World Precision
<<locked>>
86%
54752
90%
**33
100%
Somchem S355
<<locked>>
89%
54491
89%
**56
100%
Somchem S361
<<locked>>
97%
53635
88%
**39
95%
Somchem S365
<<locked>>
97%
53301
88%
**25
100%
Somchem S385
<<locked>>
97%
49458
81%
**30
98%
Vihtavuori N133
<<locked>>
84%
54592
90%
**28
100%
Vihtavuori N135
<<locked>>
90%
54752
90%
**77
100%
Vihtavuori N140
<<locked>>
85%
54317
89%
**84
100%
Vihtavuori N150
<<locked>>
94%
54462
89%
**23
100%
Vihtavuori N160
<<locked>>
92%
54578
90%
**82
100%
Vihtavuori N165
<<locked>>
97%
41075
67%
**75
95%
Vihtavuori N540
<<locked>>
85%
54737
90%
**20
100%
Vihtavuori N550
<<locked>>
92%
54476
89%
**18
100%
Vihtavuori N555
<<locked>>
97%
45759
75%
**33
100%
[Vihtavuori N560]*
<<locked>>
97%
43845
72%
**10
93%
Winchester 6.5 StaBALL
<<locked>>
93%
54317
89%
**62
100%
Winchester 760
<<locked>>
90%
54549
90%
**31
99%
Winchester StaBALL HD
<<locked>>
97%
33547
55%
**84
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44527
73%
**88
100%
[ADI AR 2209]*
<<locked>>
83%
32213
53%
**05
90%
[ADI AR 2213]*
<<locked>>
91%
36999
61%
**29
90%
Accurate 2700
<<locked>>
81%
42801
70%
**23
96%
[Accurate 3100]*
<<locked>>
81%
25628
42%
**47
91%
Accurate 4064
<<locked>>
81%
46760
77%
**18
100%
Accurate 4350
<<locked>>
81%
35230
58%
**90
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
44599
73%
**11
100%
Alliant Reloder-15
<<locked>>
81%
47848
79%
**74
100%
Alliant Reloder-16
<<locked>>
81%
34708
57%
**97
98%
Alliant Reloder-17
<<locked>>
81%
38899
64%
**15
100%
[Alliant Reloder-19]*
<<locked>>
82%
31705
52%
**95
90%
[Alliant Reloder-22]*
<<locked>>
87%
31763
52%
**41
90%
Alliant Reloder-23
<<locked>>
81%
25367
42%
**73
95%
[Alliant Reloder-25]*
<<locked>>
86%
26295
43%
**00
90%
[Alliant Reloder-26]*
<<locked>>
81%
26731
44%
**65
92%
Hodgdon CFE223
<<locked>>
81%
46659
77%
**97
100%
Hodgdon H380
<<locked>>
81%
45310
74%
**31
99%
Hodgdon H414
<<locked>>
81%
40321
66%
**92
96%
[Hodgdon H4350]*
<<locked>>
81%
33794
55%
**01
93%
[Hodgdon H4831]*
<<locked>>
94%
38000
62%
**16
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
38000
62%
**16
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32140
53%
**05
98%
Hodgdon LVR
<<locked>>
81%
38043
62%
**39
98%
[Hodgdon Superperformance]*
<<locked>>
81%
36201
59%
**29
94%
Hodgdon VARGET
<<locked>>
81%
44295
73%
**88
100%
IMR 3031
<<locked>>
81%
49095
81%
**54
100%
IMR 4064
<<locked>>
81%
43772
72%
**69
100%
IMR 4166 Enduron
<<locked>>
81%
43062
71%
**43
97%
[IMR 4350]*
<<locked>>
81%
35418
58%
**34
94%
IMR 4451 Enduron
<<locked>>
81%
41234
68%
**33
96%
IMR 4831
<<locked>>
81%
30850
51%
**75
96%
IMR 4895
<<locked>>
81%
48994
80%
**03
100%
[IMR 4955 Enduron]*
<<locked>>
88%
36230
59%
**51
90%
[IMR 7828 SSC]*
<<locked>>
90%
36535
60%
**36
90%
Lovex S062
<<locked>>
81%
46876
77%
**21
100%
Lovex S065
<<locked>>
81%
38841
64%
**97
97%
Lovex S070
<<locked>>
81%
36956
61%
**74
95%
[Lovex S071]*
<<locked>>
84%
24656
40%
**18
90%
Norma 201
<<locked>>
81%
51416
84%
**77
100%
Norma 203B
<<locked>>
81%
47210
77%
**61
100%
[Norma 204]*
<<locked>>
81%
34751
57%
**51
92%
[Norma MRP]*
<<locked>>
83%
28761
47%
**85
90%
Norma URP
<<locked>>
81%
35259
58%
**90
97%
Ramshot Big Game
<<locked>>
81%
47210
77%
**87
100%
Ramshot Hunter
<<locked>>
81%
34113
56%
**70
95%
[Ramshot Magnum]*
<<locked>>
89%
31444
52%
**18
90%
ReloadSwiss RS 50
<<locked>>
81%
45339
74%
**15
98%
ReloadSwiss RS 52
<<locked>>
81%
46644
77%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
37710
62%
**02
100%
ReloadSwiss RS 62
<<locked>>
81%
34722
57%
**03
97%
ReloadSwiss RS 70
<<locked>>
81%
34243
56%
**03
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
31270
51%
**60
90%
Rottweil R 902
<<locked>>
81%
48979
80%
**34
100%
Rottweil R 903
<<locked>>
81%
42293
69%
**79
100%
[Rottweil R 904]*
<<locked>>
84%
34548
57%
**24
90%
[Rottweil R 905]*
<<locked>>
83%
30734
50%
**85
90%
Rottweil R 907
<<locked>>
81%
39769
65%
**03
95%
SNPE Vectan SP 11
<<locked>>
81%
43134
71%
**21
100%
SNPE Vectan SP 9
<<locked>>
81%
50836
83%
**03
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44222
73%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
37797
62%
**38
95%
Shooters World Long Rifle
<<locked>>
81%
38841
64%
**97
97%
Shooters World Precision
<<locked>>
81%
46876
77%
**21
100%
Somchem S355
<<locked>>
81%
42859
70%
**79
100%
[Somchem S361]*
<<locked>>
86%
37231
61%
**60
90%
Somchem S365
<<locked>>
81%
31488
52%
**41
99%
[Somchem S385]*
<<locked>>
81%
29443
48%
**36
91%
Vihtavuori N133
<<locked>>
81%
49269
81%
**59
100%
Vihtavuori N135
<<locked>>
81%
41568
68%
**00
100%
Vihtavuori N140
<<locked>>
81%
48646
80%
**08
100%
Vihtavuori N150
<<locked>>
81%
36738
60%
**41
100%
Vihtavuori N160
<<locked>>
81%
38072
62%
**16
98%
[Vihtavuori N165]*
<<locked>>
87%
29849
49%
**33
90%
Vihtavuori N540
<<locked>>
81%
48283
79%
**28
100%
Vihtavuori N550
<<locked>>
81%
38624
63%
**56
98%
Vihtavuori N555
<<locked>>
81%
27354
45%
**46
95%
[Vihtavuori N560]*
<<locked>>
91%
36796
60%
**65
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35882
59%
**64
99%
Winchester 760
<<locked>>
81%
40321
66%
**92
96%
[Winchester StaBALL HD]*
<<locked>>
81%
22307
37%
**21
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.

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