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Load data for .375 Blaser Mag + .375 | 300gr | Atomic 29 HP

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

.375 Blaser Mag + .375 | 300gr | Atomic 29 HP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Atomic 29 HP
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.375 Blaser Mag load data
Case Length (l3):
2.814" | 71.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B12247_C536
Last updated:
2026-02-07

Load data for 200 loads in caliber .375 Blaser Mag with .375 | 300gr | Atomic 29 HP bullet and 100 powders such as Accurate 4350, Alliant Reloder-16, Alliant Reloder-17, Hodgdon LVR, 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>>
85%
54259
89%
**10
100%
ADI AR 2208
<<locked>>
91%
54244
89%
**03
100%
[ADI AR 2209]*
<<locked>>
97%
44788
74%
**25
94%
Accurate 2200
<<locked>>
84%
54607
90%
**90
100%
Accurate 2495
<<locked>>
84%
54679
90%
**67
100%
Accurate 2520
<<locked>>
84%
54592
90%
**00
100%
Accurate 2700
<<locked>>
91%
54128
89%
**57
98%
Accurate 3100
<<locked>>
97%
37579
62%
**00
96%
Accurate 4064
<<locked>>
90%
54708
90%
**97
100%
Accurate 4350 👍
<<locked>>
97%
52634
86%
**56
100%
Alliant AR-Comp
<<locked>>
84%
54534
90%
**48
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
54157
89%
**25
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
54505
89%
**23
100%
Alliant Reloder-15
<<locked>>
88%
54273
89%
**33
100%
Alliant Reloder-16 👍
<<locked>>
97%
50850
83%
**59
100%
Alliant Reloder-17 👍
<<locked>>
94%
54418
89%
**31
100%
[Alliant Reloder-19]*
<<locked>>
97%
44295
73%
**25
94%
[Alliant Reloder-22]*
<<locked>>
97%
38551
63%
**62
93%
Alliant Reloder-23
<<locked>>
97%
36405
60%
**33
99%
[Alliant Reloder-25]*
<<locked>>
97%
32024
53%
**28
93%
Alliant Reloder-26
<<locked>>
97%
39885
65%
**64
98%
Baschieri & Pellagri 107
<<locked>>
86%
54636
90%
**36
100%
Bofors RP3
<<locked>>
91%
54766
90%
**39
100%
[Bofors RP5]*
<<locked>>
97%
38551
63%
**62
93%
Bofors RP7
<<locked>>
94%
54389
89%
**03
98%
Hodgdon BL-C2
<<locked>>
84%
54476
89%
**33
100%
Hodgdon CFE223
<<locked>>
89%
54230
89%
**69
100%
Hodgdon H380
<<locked>>
90%
54578
90%
**36
100%
Hodgdon H414
<<locked>>
93%
54679
90%
**89
99%
Hodgdon H4350
<<locked>>
97%
49182
81%
**54
97%
Hodgdon H4895
<<locked>>
85%
54781
90%
**20
100%
Hodgdon Hybrid 100V
<<locked>>
97%
46992
77%
**48
100%
Hodgdon LVR 👍
<<locked>>
96%
54433
89%
**72
100%
Hodgdon Superperformance
<<locked>>
96%
54389
89%
**12
98%
Hodgdon VARGET
<<locked>>
91%
54563
90%
**03
100%
IMR 3031
<<locked>>
88%
54694
90%
**00
100%
IMR 4064
<<locked>>
92%
54665
90%
**97
100%
IMR 4166 Enduron
<<locked>>
92%
54331
89%
**77
98%
IMR 4350
<<locked>>
97%
51735
85%
**87
97%
IMR 4451 Enduron
<<locked>>
93%
54302
89%
**03
98%
IMR 4831
<<locked>>
97%
44396
73%
**18
99%
IMR 4895
<<locked>>
88%
54273
89%
**39
100%
[IMR 4955 Enduron]*
<<locked>>
97%
41945
69%
**20
91%
IMR 8208 XBR
<<locked>>
84%
54563
90%
**84
100%
Lovex D073.6
<<locked>>
86%
54592
90%
**00
100%
Lovex S060
<<locked>>
86%
54679
90%
**61
100%
Lovex S062
<<locked>>
89%
54186
89%
**90
100%
Lovex S065
<<locked>>
96%
54433
89%
**10
99%
Lovex S070
<<locked>>
97%
53737
88%
**20
98%
[Lovex S071]*
<<locked>>
97%
31502
52%
**72
93%
Norma 201
<<locked>>
86%
54679
90%
**80
100%
Norma 202
<<locked>>
86%
54317
89%
**70
100%
Norma 203B
<<locked>>
89%
54244
89%
**33
100%
Norma 204
<<locked>>
97%
52373
86%
**39
96%
Norma MRP
<<locked>>
97%
40263
66%
**31
95%
Norma URP
<<locked>>
97%
51706
85%
**46
100%
Ramshot Big Game
<<locked>>
89%
54331
89%
**52
100%
[Ramshot Grand]*
<<locked>>
97%
43033
71%
**28
92%
Ramshot Hunter
<<locked>>
97%
50705
83%
**43
99%
[Ramshot Magnum]*
<<locked>>
97%
37043
61%
**00
92%
Ramshot TAC
<<locked>>
84%
54491
89%
**03
99%
Ramshot Wild Boar
<<locked>>
84%
54085
89%
**16
100%
ReloadSwiss RS 50
<<locked>>
90%
54114
89%
**07
99%
ReloadSwiss RS 52
<<locked>>
86%
54665
90%
**92
100%
ReloadSwiss RS 60
<<locked>>
93%
54462
89%
**28
100%
ReloadSwiss RS 62
<<locked>>
97%
52330
86%
**79
100%
ReloadSwiss RS 70
<<locked>>
97%
52243
86%
**05
100%
Rottweil R 901
<<locked>>
83%
54259
89%
**44
100%
Rottweil R 902
<<locked>>
88%
54418
89%
**70
100%
Rottweil R 903
<<locked>>
92%
54331
89%
**23
100%
[Rottweil R 904]*
<<locked>>
97%
46528
76%
**11
94%
[Rottweil R 905]*
<<locked>>
97%
42540
70%
**05
94%
Rottweil R 907
<<locked>>
94%
54389
89%
**03
98%
SNPE Vectan SP 11
<<locked>>
92%
54418
89%
**62
100%
SNPE Vectan SP 7
<<locked>>
85%
54795
90%
**07
100%
SNPE Vectan SP 9
<<locked>>
86%
54476
89%
**10
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
54114
89%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
54462
89%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
54012
89%
**64
98%
Shooters World Long Rifle
<<locked>>
96%
54433
89%
**10
99%
Shooters World Match Rifle
<<locked>>
86%
54592
90%
**00
100%
Shooters World Precision
<<locked>>
89%
54186
89%
**90
100%
Somchem S335
<<locked>>
86%
54665
90%
**18
100%
Somchem S341
<<locked>>
85%
54375
89%
**00
100%
Somchem S355
<<locked>>
92%
54041
89%
**16
100%
[Somchem S361]*
<<locked>>
97%
48109
79%
**08
93%
Somchem S365
<<locked>>
97%
46325
76%
**97
100%
Somchem S385
<<locked>>
97%
43323
71%
**92
95%
Vihtavuori N133
<<locked>>
87%
54491
89%
**88
100%
Vihtavuori N135
<<locked>>
94%
54766
90%
**48
100%
Vihtavuori N140
<<locked>>
88%
54752
90%
**57
100%
Vihtavuori N150
<<locked>>
97%
52968
87%
**67
100%
Vihtavuori N160
<<locked>>
96%
54607
90%
**39
100%
[Vihtavuori N165]*
<<locked>>
97%
36245
59%
**44
92%
Vihtavuori N540
<<locked>>
88%
54752
90%
**84
100%
Vihtavuori N550 👍
<<locked>>
95%
54737
90%
**85
100%
Vihtavuori N555
<<locked>>
97%
39682
65%
**98
99%
Winchester 6.5 StaBALL
<<locked>>
97%
54520
90%
**23
100%
Winchester 760
<<locked>>
93%
54679
90%
**89
99%
Winchester StaBALL HD
<<locked>>
97%
32300
53%
**29
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47529
78%
**15
100%
ADI AR 2208
<<locked>>
81%
40451
66%
**83
99%
[ADI AR 2209]*
<<locked>>
88%
34650
57%
**18
90%
Accurate 2200
<<locked>>
81%
49603
81%
**15
99%
Accurate 2495
<<locked>>
81%
49327
81%
**02
100%
Accurate 2520
<<locked>>
81%
49763
82%
**38
100%
[Accurate 2700]*
<<locked>>
81%
38566
63%
**08
94%
[Accurate 3100]*
<<locked>>
86%
25802
42%
**34
90%
Accurate 4064
<<locked>>
81%
41626
68%
**10
100%
Accurate 4350
<<locked>>
81%
30560
50%
**62
95%
Alliant AR-Comp
<<locked>>
81%
50459
83%
**95
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
43250
71%
**54
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
39929
66%
**00
99%
Alliant Reloder-15
<<locked>>
81%
42888
70%
**56
99%
Alliant Reloder-16
<<locked>>
81%
31067
51%
**69
95%
Alliant Reloder-17
<<locked>>
81%
34722
57%
**90
98%
[Alliant Reloder-19]*
<<locked>>
88%
33634
55%
**11
90%
[Alliant Reloder-22]*
<<locked>>
93%
34040
56%
**60
90%
[Alliant Reloder-23]*
<<locked>>
81%
22611
37%
**52
91%
[Alliant Reloder-25]*
<<locked>>
92%
28210
46%
**16
90%
[Alliant Reloder-26]*
<<locked>>
84%
26005
43%
**00
90%
Baschieri & Pellagri 107
<<locked>>
81%
46746
77%
**21
99%
Bofors RP3
<<locked>>
81%
39842
65%
**13
100%
[Bofors RP5]*
<<locked>>
93%
34040
56%
**60
90%
[Bofors RP7]*
<<locked>>
81%
35926
59%
**88
93%
Hodgdon BL-C2
<<locked>>
81%
49400
81%
**64
100%
Hodgdon CFE223
<<locked>>
81%
41350
68%
**72
98%
Hodgdon H380
<<locked>>
81%
40582
67%
**13
98%
[Hodgdon H414]*
<<locked>>
81%
35795
59%
**64
94%
[Hodgdon H4350]*
<<locked>>
81%
30763
50%
**93
90%
Hodgdon H4895
<<locked>>
81%
47964
79%
**28
100%
Hodgdon Hybrid 100V
<<locked>>
81%
28718
47%
**90
96%
Hodgdon LVR
<<locked>>
81%
33808
55%
**11
95%
[Hodgdon Superperformance]*
<<locked>>
81%
32126
53%
**95
91%
Hodgdon VARGET
<<locked>>
81%
40074
66%
**80
99%
IMR 3031
<<locked>>
81%
43918
72%
**52
100%
IMR 4064
<<locked>>
81%
39639
65%
**60
99%
IMR 4166 Enduron
<<locked>>
81%
39276
64%
**28
95%
[IMR 4350]*
<<locked>>
81%
31792
52%
**19
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37405
61%
**18
94%
[IMR 4831]*
<<locked>>
81%
26934
44%
**51
93%
IMR 4895
<<locked>>
81%
44005
72%
**88
100%
[IMR 4955 Enduron]*
<<locked>>
94%
39160
64%
**70
90%
IMR 8208 XBR
<<locked>>
81%
49661
82%
**15
100%
Lovex D073.6
<<locked>>
81%
46891
77%
**98
100%
Lovex S060
<<locked>>
81%
47384
78%
**56
100%
Lovex S062
<<locked>>
81%
42424
70%
**13
100%
Lovex S065
<<locked>>
81%
34809
57%
**72
95%
[Lovex S070]*
<<locked>>
81%
32996
54%
**52
93%
[Lovex S071]*
<<locked>>
91%
25918
43%
**37
90%
Norma 201
<<locked>>
81%
46586
76%
**72
100%
Norma 202
<<locked>>
81%
46920
77%
**72
100%
Norma 203B
<<locked>>
81%
42395
70%
**49
99%
[Norma 204]*
<<locked>>
84%
34360
56%
**11
90%
[Norma MRP]*
<<locked>>
89%
30893
51%
**08
90%
Norma URP
<<locked>>
81%
31111
51%
**69
95%
Ramshot Big Game
<<locked>>
81%
42003
69%
**65
99%
[Ramshot Grand]*
<<locked>>
94%
39218
64%
**52
90%
[Ramshot Hunter]*
<<locked>>
81%
30327
50%
**46
92%
[Ramshot Magnum]*
<<locked>>
94%
33837
56%
**24
90%
Ramshot TAC
<<locked>>
81%
49545
81%
**31
99%
Ramshot Wild Boar
<<locked>>
81%
49313
81%
**48
100%
ReloadSwiss RS 50
<<locked>>
81%
41147
68%
**03
96%
ReloadSwiss RS 52
<<locked>>
81%
45614
75%
**61
99%
ReloadSwiss RS 60
<<locked>>
81%
36941
61%
**43
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
30240
50%
**75
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
30458
50%
**72
93%
Rottweil R 901
<<locked>>
81%
50473
83%
**95
100%
Rottweil R 902
<<locked>>
81%
44222
73%
**23
100%
Rottweil R 903
<<locked>>
81%
37507
62%
**60
99%
[Rottweil R 904]*
<<locked>>
89%
36811
60%
**34
90%
[Rottweil R 905]*
<<locked>>
89%
33069
54%
**08
90%
[Rottweil R 907]*
<<locked>>
81%
35926
59%
**88
93%
SNPE Vectan SP 11
<<locked>>
81%
38406
63%
**06
99%
SNPE Vectan SP 7
<<locked>>
81%
47805
78%
**08
99%
SNPE Vectan SP 9
<<locked>>
81%
45963
75%
**88
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
47790
78%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39740
65%
**01
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33837
56%
**23
93%
Shooters World Long Rifle
<<locked>>
81%
34809
57%
**72
95%
Shooters World Match Rifle
<<locked>>
81%
46891
77%
**98
100%
Shooters World Precision
<<locked>>
81%
42424
70%
**13
100%
Somchem S335
<<locked>>
81%
47398
78%
**16
100%
Somchem S341
<<locked>>
81%
47703
78%
**08
100%
Somchem S355
<<locked>>
81%
38276
63%
**64
99%
[Somchem S361]*
<<locked>>
92%
40132
66%
**77
90%
Somchem S365
<<locked>>
81%
27876
46%
**19
97%
[Somchem S385]*
<<locked>>
86%
30168
50%
**23
90%
Vihtavuori N133
<<locked>>
81%
45208
74%
**70
100%
Vihtavuori N135
<<locked>>
81%
37333
61%
**98
100%
Vihtavuori N140
<<locked>>
81%
43830
72%
**10
100%
Vihtavuori N150
<<locked>>
81%
32750
54%
**36
99%
Vihtavuori N160
<<locked>>
81%
33808
56%
**95
96%
[Vihtavuori N165]*
<<locked>>
93%
31981
53%
**46
90%
Vihtavuori N540
<<locked>>
81%
43482
71%
**29
100%
Vihtavuori N550
<<locked>>
81%
34084
56%
**31
96%
[Vihtavuori N555]*
<<locked>>
81%
23902
39%
**18
92%
Winchester 6.5 StaBALL
<<locked>>
81%
32227
53%
**46
98%
[Winchester 760]*
<<locked>>
81%
35795
59%
**64
94%
[Winchester StaBALL HD]*
<<locked>>
85%
22539
37%
**91
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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