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Load data for .375 Blaser Mag + .375 | 270gr | Swift A-Frame

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Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-17, Norma URP, ReloadSwiss RS 62, Vihtavuori N550

.375 Blaser Mag + .375 | 270gr | Swift A-Frame

Load Specifications

Bullet:
.375 | 270gr | Swift A-Frame
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.200" | 30.5mm
Caliber:
.375 Blaser Mag
Case Length (l3):
2.814" | 71.5mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.468" | 11.9mm
Shank Seated Depth:
0.468" | 11.9mm
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_B10866_C536

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 170 loads in caliber .375 Blaser Mag with .375 | 270gr | Swift A-Frame bullet and 85 powders such as Alliant Reloder-16, Alliant Reloder-17, Norma URP, ReloadSwiss RS 62, 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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%
54505
89%
**77
100%
ADI AR 2208
<<locked>>
89%
54621
90%
**64
100%
[ADI AR 2209]*
<<locked>>
97%
47282
78%
**12
94%
Accurate 2700
<<locked>>
90%
54563
90%
**12
97%
Accurate 3100
<<locked>>
97%
40828
67%
**90
96%
Accurate 4064
<<locked>>
88%
54592
90%
**48
100%
Accurate 4350
<<locked>>
96%
54244
89%
**33
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
54723
90%
**84
100%
Alliant Reloder-15
<<locked>>
87%
54447
89%
**90
100%
Alliant Reloder-16 👍
<<locked>>
97%
53693
88%
**59
100%
Alliant Reloder-17 👍
<<locked>>
93%
54708
90%
**95
100%
Alliant Reloder-19
<<locked>>
97%
46804
77%
**21
95%
[Alliant Reloder-22]*
<<locked>>
97%
40930
67%
**46
93%
Alliant Reloder-23
<<locked>>
97%
38798
64%
**13
99%
[Alliant Reloder-25]*
<<locked>>
97%
34432
57%
**08
93%
Alliant Reloder-26
<<locked>>
97%
42786
70%
**64
98%
Baschieri & Pellagri 107
<<locked>>
84%
54592
90%
**97
100%
Hodgdon CFE223
<<locked>>
87%
54215
89%
**30
100%
Hodgdon H380
<<locked>>
88%
54505
89%
**87
99%
Hodgdon H414
<<locked>>
92%
54766
90%
**49
98%
Hodgdon H4350
<<locked>>
97%
51808
85%
**44
97%
Hodgdon Hybrid 100V
<<locked>>
97%
49734
82%
**41
100%
Hodgdon LVR
<<locked>>
94%
54331
89%
**30
99%
Hodgdon Superperformance
<<locked>>
94%
54302
89%
**66
98%
Hodgdon VARGET
<<locked>>
90%
54621
90%
**64
100%
IMR 3031
<<locked>>
86%
54215
89%
**54
100%
IMR 4064
<<locked>>
90%
54462
89%
**54
100%
IMR 4166 Enduron
<<locked>>
91%
54824
90%
**44
98%
IMR 4350
<<locked>>
97%
54244
89%
**80
97%
IMR 4451 Enduron
<<locked>>
92%
54346
89%
**61
98%
IMR 4831
<<locked>>
97%
47732
78%
**15
99%
IMR 4895
<<locked>>
86%
54795
90%
**07
100%
[IMR 4955 Enduron]*
<<locked>>
97%
44367
73%
**07
91%
Lovex D073.6
<<locked>>
84%
54520
90%
**57
100%
Lovex S060
<<locked>>
84%
54433
89%
**15
100%
Lovex S062
<<locked>>
88%
54592
90%
**51
100%
Lovex S065
<<locked>>
94%
54636
90%
**67
99%
Lovex S070
<<locked>>
96%
54781
90%
**87
98%
[Lovex S071]*
<<locked>>
97%
34476
57%
**59
94%
Norma 201
<<locked>>
85%
54723
90%
**41
100%
Norma 202
<<locked>>
84%
54534
90%
**31
100%
Norma 203B
<<locked>>
87%
54563
90%
**94
100%
Norma 204
<<locked>>
96%
54157
89%
**17
96%
Norma MRP
<<locked>>
97%
43149
71%
**21
95%
Norma URP 👍
<<locked>>
97%
54433
89%
**40
100%
Ramshot Big Game
<<locked>>
87%
54621
90%
**17
100%
Ramshot Hunter
<<locked>>
97%
53447
88%
**33
99%
[Ramshot Magnum]*
<<locked>>
97%
39697
65%
**84
92%
ReloadSwiss RS 50
<<locked>>
88%
54549
90%
**71
98%
ReloadSwiss RS 52
<<locked>>
88%
54505
89%
**13
100%
ReloadSwiss RS 60
<<locked>>
94%
54259
89%
**08
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
54636
90%
**66
100%
ReloadSwiss RS 70
<<locked>>
97%
54346
89%
**92
99%
Rottweil R 902
<<locked>>
86%
54737
90%
**31
100%
Rottweil R 903
<<locked>>
91%
54331
89%
**77
100%
[Rottweil R 904]*
<<locked>>
97%
49066
81%
**98
94%
[Rottweil R 905]*
<<locked>>
97%
45339
74%
**92
94%
Rottweil R 907
<<locked>>
93%
54621
90%
**61
97%
SNPE Vectan SP 11
<<locked>>
90%
54650
90%
**23
100%
SNPE Vectan SP 7
<<locked>>
83%
54534
90%
**57
99%
SNPE Vectan SP 9
<<locked>>
85%
54128
89%
**67
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
54650
90%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
54288
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
54592
90%
**18
98%
Shooters World Long Rifle
<<locked>>
94%
54636
90%
**67
99%
Shooters World Match Rifle
<<locked>>
84%
54520
90%
**57
100%
Shooters World Precision
<<locked>>
88%
54592
90%
**51
100%
Somchem S335
<<locked>>
84%
54824
90%
**72
100%
Somchem S341
<<locked>>
84%
54433
89%
**57
100%
Somchem S355
<<locked>>
91%
54737
90%
**77
100%
[Somchem S361]*
<<locked>>
97%
50865
84%
**98
93%
Somchem S365
<<locked>>
97%
49385
81%
**94
100%
Somchem S385
<<locked>>
97%
46006
76%
**75
95%
Vihtavuori N133
<<locked>>
86%
54418
89%
**46
100%
Vihtavuori N135
<<locked>>
92%
54404
89%
**98
100%
Vihtavuori N140
<<locked>>
86%
54520
89%
**05
100%
Vihtavuori N150
<<locked>>
96%
54549
90%
**41
100%
Vihtavuori N160
<<locked>>
94%
54143
89%
**94
100%
[Vihtavuori N165]*
<<locked>>
97%
38638
63%
**18
92%
Vihtavuori N540
<<locked>>
87%
54418
89%
**35
100%
Vihtavuori N550 👍
<<locked>>
94%
54795
90%
**40
100%
Vihtavuori N555
<<locked>>
97%
42873
70%
**92
99%
Winchester 6.5 StaBALL
<<locked>>
96%
54447
89%
**84
100%
Winchester 760
<<locked>>
92%
54766
90%
**49
98%
Winchester StaBALL HD
<<locked>>
97%
34896
57%
**16
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49879
82%
**02
100%
ADI AR 2208
<<locked>>
81%
42670
70%
**67
99%
[ADI AR 2209]*
<<locked>>
89%
36840
60%
**98
90%
[Accurate 2700]*
<<locked>>
81%
41046
67%
**85
94%
[Accurate 3100]*
<<locked>>
85%
27731
46%
**92
90%
Accurate 4064
<<locked>>
81%
44817
74%
**03
100%
Accurate 4350
<<locked>>
81%
33330
55%
**46
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
42627
70%
**93
100%
Alliant Reloder-15
<<locked>>
81%
45426
75%
**43
99%
Alliant Reloder-16
<<locked>>
81%
33141
54%
**49
95%
Alliant Reloder-17
<<locked>>
81%
36811
60%
**70
98%
[Alliant Reloder-19]*
<<locked>>
88%
35534
58%
**82
90%
[Alliant Reloder-22]*
<<locked>>
93%
35955
59%
**28
90%
[Alliant Reloder-23]*
<<locked>>
81%
24569
40%
**23
92%
[Alliant Reloder-25]*
<<locked>>
92%
29776
49%
**77
90%
[Alliant Reloder-26]*
<<locked>>
83%
27775
46%
**70
90%
Baschieri & Pellagri 107
<<locked>>
81%
48979
80%
**08
99%
Hodgdon CFE223
<<locked>>
81%
43613
72%
**52
98%
Hodgdon H380
<<locked>>
81%
43207
71%
**00
98%
[Hodgdon H414]*
<<locked>>
81%
38087
63%
**48
94%
[Hodgdon H4350]*
<<locked>>
81%
32343
53%
**57
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30806
51%
**64
96%
Hodgdon LVR
<<locked>>
81%
36013
59%
**98
95%
[Hodgdon Superperformance]*
<<locked>>
81%
34577
57%
**79
91%
Hodgdon VARGET
<<locked>>
81%
42047
69%
**54
98%
IMR 3031
<<locked>>
81%
46325
76%
**36
100%
IMR 4064
<<locked>>
81%
41843
69%
**44
99%
IMR 4166 Enduron
<<locked>>
81%
41408
68%
**05
95%
[IMR 4350]*
<<locked>>
81%
33837
56%
**93
91%
[IMR 4451 Enduron]*
<<locked>>
81%
39624
65%
**95
94%
[IMR 4831]*
<<locked>>
81%
29559
49%
**34
94%
IMR 4895
<<locked>>
81%
46630
77%
**79
100%
[IMR 4955 Enduron]*
<<locked>>
94%
41133
68%
**44
90%
Lovex D073.6
<<locked>>
81%
49734
82%
**85
100%
Lovex S060
<<locked>>
81%
49400
81%
**36
100%
Lovex S062
<<locked>>
81%
44962
74%
**00
100%
Lovex S065
<<locked>>
81%
37246
61%
**52
95%
[Lovex S070]*
<<locked>>
81%
35346
58%
**26
93%
[Lovex S071]*
<<locked>>
90%
27644
45%
**92
90%
Norma 201
<<locked>>
81%
49226
81%
**59
100%
Norma 202
<<locked>>
81%
49400
81%
**59
100%
Norma 203B
<<locked>>
81%
44976
74%
**36
99%
[Norma 204]*
<<locked>>
84%
36289
60%
**79
90%
[Norma MRP]*
<<locked>>
88%
32634
54%
**75
90%
Norma URP
<<locked>>
81%
33402
55%
**46
95%
Ramshot Big Game
<<locked>>
81%
44353
73%
**52
99%
[Ramshot Hunter]*
<<locked>>
81%
32619
54%
**26
92%
[Ramshot Magnum]*
<<locked>>
94%
36071
59%
**05
90%
ReloadSwiss RS 50
<<locked>>
81%
43091
71%
**77
96%
ReloadSwiss RS 52
<<locked>>
81%
43947
72%
**52
100%
ReloadSwiss RS 60
<<locked>>
81%
35940
59%
**61
99%
ReloadSwiss RS 62
<<locked>>
81%
32866
54%
**59
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32648
54%
**49
93%
Rottweil R 902
<<locked>>
81%
46978
77%
**13
100%
Rottweil R 903
<<locked>>
81%
40234
66%
**51
99%
[Rottweil R 904]*
<<locked>>
89%
39146
64%
**11
90%
[Rottweil R 905]*
<<locked>>
88%
34911
57%
**75
90%
[Rottweil R 907]*
<<locked>>
81%
38450
63%
**69
93%
SNPE Vectan SP 11
<<locked>>
81%
40712
67%
**87
99%
SNPE Vectan SP 7
<<locked>>
81%
50459
83%
**95
99%
SNPE Vectan SP 9
<<locked>>
81%
48327
79%
**79
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50024
82%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41930
69%
**75
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36230
59%
**97
93%
Shooters World Long Rifle
<<locked>>
81%
37246
61%
**52
95%
Shooters World Match Rifle
<<locked>>
81%
49734
82%
**85
100%
Shooters World Precision
<<locked>>
81%
44962
74%
**00
100%
Somchem S335
<<locked>>
81%
49763
82%
**03
100%
Somchem S341
<<locked>>
81%
50009
82%
**89
100%
Somchem S355
<<locked>>
81%
40944
67%
**51
99%
[Somchem S361]*
<<locked>>
91%
42525
70%
**51
90%
Somchem S365
<<locked>>
81%
30284
50%
**06
98%
[Somchem S385]*
<<locked>>
85%
32300
53%
**90
90%
Vihtavuori N133
<<locked>>
81%
47181
77%
**44
100%
Vihtavuori N135
<<locked>>
81%
39813
65%
**82
100%
Vihtavuori N140
<<locked>>
81%
46093
76%
**87
100%
Vihtavuori N150
<<locked>>
81%
34969
57%
**06
99%
Vihtavuori N160
<<locked>>
81%
35911
59%
**72
96%
[Vihtavuori N165]*
<<locked>>
92%
33910
56%
**20
90%
Vihtavuori N540
<<locked>>
81%
45861
75%
**10
100%
Vihtavuori N550
<<locked>>
81%
36724
60%
**11
96%
[Vihtavuori N555]*
<<locked>>
81%
26324
43%
**01
92%
Winchester 6.5 StaBALL
<<locked>>
81%
34316
56%
**20
98%
[Winchester 760]*
<<locked>>
81%
38087
63%
**48
94%
[Winchester StaBALL HD]*
<<locked>>
84%
24134
40%
**52
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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