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Load data for .375 Blaser Mag + .375 | 300gr | Swift A-Frame

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

.375 Blaser Mag + .375 | 300gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Swift A-Frame
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.270" | 32.3mm
Caliber:
.375 Blaser Mag load data
Case Length (l3):
2.814" | 71.5mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.538" | 13.7mm
Shank Seated Depth:
0.538" | 13.7mm
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_B10867_C536
Last updated:
2025-02-02

Load data for 160 loads in caliber .375 Blaser Mag with .375 | 300gr | Swift A-Frame bullet and 80 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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  • 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%
54636
90%
**26
100%
ADI AR 2209
<<locked>>
97%
50937
84%
**56
97%
[ADI AR 2213]*
<<locked>>
97%
45107
74%
**74
93%
Accurate 2700
<<locked>>
88%
54389
89%
**84
98%
Accurate 3100
<<locked>>
97%
44425
73%
**31
98%
Accurate 4064
<<locked>>
85%
54781
90%
**00
100%
Accurate 4350
<<locked>>
94%
54592
90%
**92
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
54534
90%
**36
100%
Alliant Reloder-15
<<locked>>
85%
54665
90%
**56
100%
Alliant Reloder-16 👍
<<locked>>
96%
54665
90%
**31
100%
Alliant Reloder-17
<<locked>>
91%
54447
89%
**48
100%
Alliant Reloder-19
<<locked>>
97%
49879
82%
**46
97%
Alliant Reloder-22
<<locked>>
97%
43627
72%
**80
95%
Alliant Reloder-23
<<locked>>
97%
41669
68%
**44
100%
Alliant Reloder-25
<<locked>>
97%
36898
61%
**62
96%
Alliant Reloder-26
<<locked>>
97%
46296
76%
**98
99%
Hodgdon CFE223
<<locked>>
86%
54520
89%
**92
100%
Hodgdon H380
<<locked>>
86%
54114
89%
**43
100%
Hodgdon H414 👍
<<locked>>
90%
54433
89%
**08
99%
Hodgdon H4350
<<locked>>
97%
54360
89%
**49
98%
[Hodgdon H4831]*
<<locked>>
97%
41974
69%
**69
91%
[Hodgdon H4831 SC]*
<<locked>>
97%
47253
78%
**70
93%
Hodgdon Hybrid 100V
<<locked>>
97%
53417
88%
**49
100%
Hodgdon LVR
<<locked>>
92%
54404
89%
**85
100%
Hodgdon Superperformance
<<locked>>
93%
54694
90%
**44
99%
Hodgdon VARGET
<<locked>>
88%
54375
89%
**20
100%
IMR 3031
<<locked>>
84%
54128
89%
**03
100%
IMR 4064
<<locked>>
88%
54795
90%
**13
100%
IMR 4166 Enduron
<<locked>>
89%
54404
89%
**00
99%
IMR 4350
<<locked>>
95%
54433
89%
**49
98%
IMR 4451 Enduron
<<locked>>
90%
54665
90%
**30
99%
IMR 4831
<<locked>>
97%
51155
84%
**36
100%
IMR 4895
<<locked>>
84%
54157
89%
**56
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47355
78%
**41
94%
[IMR 7828 SSC]*
<<locked>>
97%
46412
76%
**13
94%
Lovex S062
<<locked>>
86%
54752
90%
**07
100%
Lovex S065
<<locked>>
92%
54665
90%
**30
100%
Lovex S070
<<locked>>
93%
54549
90%
**49
99%
Lovex S071
<<locked>>
97%
37231
61%
**97
96%
Norma 203B
<<locked>>
85%
54389
89%
**52
100%
Norma 204
<<locked>>
95%
54592
90%
**89
97%
Norma MRP
<<locked>>
97%
46296
76%
**59
97%
Norma URP
<<locked>>
95%
54621
90%
**95
100%
Ramshot Big Game
<<locked>>
85%
54389
89%
**69
100%
Ramshot Hunter 👍
<<locked>>
95%
54447
89%
**15
99%
Ramshot Magnum
<<locked>>
97%
42279
69%
**28
95%
ReloadSwiss RS 50
<<locked>>
87%
54694
90%
**39
99%
ReloadSwiss RS 52
<<locked>>
86%
54476
89%
**66
100%
ReloadSwiss RS 60
<<locked>>
92%
54563
90%
**61
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
54621
90%
**25
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
54636
90%
**67
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
35447
58%
**43
92%
Rottweil R 902
<<locked>>
84%
54346
89%
**87
100%
Rottweil R 903
<<locked>>
88%
53969
89%
**30
100%
Rottweil R 904
<<locked>>
97%
52315
86%
**26
96%
Rottweil R 905
<<locked>>
97%
48312
79%
**20
96%
Rottweil R 907
<<locked>>
91%
54462
89%
**26
98%
SNPE Vectan SP 11
<<locked>>
88%
54433
89%
**75
100%
SNPE Vectan SP 9
<<locked>>
83%
54476
89%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
54491
89%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
54752
90%
**90
99%
Shooters World Long Rifle
<<locked>>
92%
54665
90%
**30
100%
Shooters World Precision
<<locked>>
86%
54752
90%
**07
100%
Somchem S355
<<locked>>
89%
54781
90%
**36
100%
Somchem S361
<<locked>>
97%
53708
88%
**16
95%
Somchem S365
<<locked>>
97%
53606
88%
**12
100%
Somchem S385
<<locked>>
97%
49356
81%
**07
97%
Vihtavuori N133
<<locked>>
84%
54795
90%
**05
100%
Vihtavuori N135
<<locked>>
90%
54694
90%
**57
100%
Vihtavuori N140
<<locked>>
85%
54636
90%
**64
100%
Vihtavuori N150
<<locked>>
94%
54752
90%
**00
100%
Vihtavuori N160
<<locked>>
92%
54302
89%
**52
100%
Vihtavuori N165
<<locked>>
97%
41437
68%
**59
95%
Vihtavuori N540
<<locked>>
85%
54665
90%
**00
100%
Vihtavuori N550
<<locked>>
92%
54462
89%
**98
100%
Vihtavuori N555
<<locked>>
97%
46383
76%
**16
100%
[Vihtavuori N560]*
<<locked>>
97%
44338
73%
**03
93%
Winchester 6.5 StaBALL
<<locked>>
94%
54621
90%
**43
100%
Winchester 760
<<locked>>
90%
54433
89%
**08
99%
Winchester StaBALL HD
<<locked>>
97%
37347
61%
**70
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44788
74%
**72
99%
[ADI AR 2209]*
<<locked>>
83%
32996
54%
**98
90%
[ADI AR 2213]*
<<locked>>
91%
37768
62%
**23
90%
Accurate 2700
<<locked>>
81%
43395
71%
**10
96%
[Accurate 3100]*
<<locked>>
81%
26832
44%
**57
91%
Accurate 4064
<<locked>>
81%
47979
79%
**08
100%
Accurate 4350
<<locked>>
81%
36230
59%
**87
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
45078
74%
**98
100%
Alliant Reloder-15
<<locked>>
81%
48472
80%
**64
100%
Alliant Reloder-16
<<locked>>
81%
35331
58%
**90
98%
Alliant Reloder-17
<<locked>>
81%
39320
65%
**95
100%
[Alliant Reloder-19]*
<<locked>>
83%
32329
53%
**92
90%
[Alliant Reloder-22]*
<<locked>>
87%
32285
53%
**28
90%
Alliant Reloder-23
<<locked>>
81%
26266
43%
**77
95%
[Alliant Reloder-25]*
<<locked>>
86%
26818
44%
**87
90%
[Alliant Reloder-26]*
<<locked>>
81%
27586
45%
**65
93%
Hodgdon CFE223
<<locked>>
81%
46789
77%
**77
100%
Hodgdon H380
<<locked>>
81%
45832
75%
**18
99%
Hodgdon H414
<<locked>>
81%
40799
67%
**75
96%
[Hodgdon H4350]*
<<locked>>
81%
34461
57%
**92
93%
[Hodgdon H4831]*
<<locked>>
94%
38522
63%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
38580
63%
**03
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32982
54%
**98
98%
Hodgdon LVR
<<locked>>
81%
38711
64%
**29
98%
[Hodgdon Superperformance]*
<<locked>>
81%
36680
60%
**20
94%
Hodgdon VARGET
<<locked>>
81%
44556
73%
**72
99%
IMR 3031
<<locked>>
81%
49342
81%
**34
100%
IMR 4064
<<locked>>
81%
44280
73%
**59
100%
IMR 4166 Enduron
<<locked>>
81%
43671
72%
**26
97%
[IMR 4350]*
<<locked>>
81%
36071
59%
**28
94%
IMR 4451 Enduron
<<locked>>
81%
41640
68%
**20
96%
IMR 4831
<<locked>>
81%
31821
52%
**75
96%
IMR 4895
<<locked>>
81%
49777
82%
**87
100%
[IMR 4955 Enduron]*
<<locked>>
89%
37434
61%
**51
90%
[IMR 7828 SSC]*
<<locked>>
91%
38014
62%
**36
90%
Lovex S062
<<locked>>
81%
47674
78%
**05
100%
Lovex S065
<<locked>>
81%
39624
65%
**83
97%
Lovex S070
<<locked>>
81%
37782
62%
**64
95%
[Lovex S071]*
<<locked>>
83%
25005
41%
**05
90%
Norma 203B
<<locked>>
81%
47645
78%
**51
100%
[Norma 204]*
<<locked>>
81%
35433
58%
**44
92%
[Norma MRP]*
<<locked>>
83%
29675
49%
**88
90%
Norma URP
<<locked>>
81%
35955
59%
**80
97%
Ramshot Big Game
<<locked>>
81%
47442
78%
**64
100%
Ramshot Hunter
<<locked>>
81%
34722
57%
**64
95%
[Ramshot Magnum]*
<<locked>>
88%
31821
52%
**01
90%
ReloadSwiss RS 50
<<locked>>
81%
46079
76%
**02
98%
ReloadSwiss RS 52
<<locked>>
81%
46963
77%
**64
100%
ReloadSwiss RS 60
<<locked>>
81%
38319
63%
**88
100%
ReloadSwiss RS 62
<<locked>>
81%
35389
58%
**93
97%
ReloadSwiss RS 70
<<locked>>
81%
34809
57%
**93
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
32227
53%
**57
90%
Rottweil R 902
<<locked>>
81%
49734
82%
**21
100%
Rottweil R 903
<<locked>>
81%
43178
71%
**69
100%
[Rottweil R 904]*
<<locked>>
84%
35360
58%
**15
90%
[Rottweil R 905]*
<<locked>>
83%
31589
52%
**78
90%
Rottweil R 907
<<locked>>
81%
40437
66%
**93
95%
SNPE Vectan SP 11
<<locked>>
81%
43424
71%
**08
100%
SNPE Vectan SP 9
<<locked>>
81%
51082
84%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44353
73%
**83
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38812
64%
**28
95%
Shooters World Long Rifle
<<locked>>
81%
39624
65%
**83
97%
Shooters World Precision
<<locked>>
81%
47674
78%
**05
100%
Somchem S355
<<locked>>
81%
43308
71%
**59
100%
[Somchem S361]*
<<locked>>
86%
38072
63%
**47
90%
Somchem S365
<<locked>>
81%
32300
53%
**38
99%
[Somchem S385]*
<<locked>>
81%
30255
50%
**29
91%
Vihtavuori N133
<<locked>>
81%
50038
82%
**46
100%
Vihtavuori N135
<<locked>>
81%
42337
70%
**90
100%
Vihtavuori N140
<<locked>>
81%
48994
80%
**92
100%
Vihtavuori N150
<<locked>>
81%
37231
61%
**28
100%
Vihtavuori N160
<<locked>>
81%
38566
63%
**00
98%
[Vihtavuori N165]*
<<locked>>
87%
30414
50%
**23
90%
Vihtavuori N540
<<locked>>
81%
48399
79%
**11
100%
Vihtavuori N550
<<locked>>
81%
39175
64%
**39
98%
Vihtavuori N555
<<locked>>
81%
28529
47%
**52
95%
[Vihtavuori N560]*
<<locked>>
92%
38029
62%
**65
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36521
60%
**54
99%
Winchester 760
<<locked>>
81%
40799
67%
**75
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23482
39%
**37
93%

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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