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

Recommended Powder(s): Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N550, Winchester 760

.375 Weath. 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 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.613" | 15.6mm
Shank Seated Depth:
0.613" | 15.6mm
Case Capacity:
105.0 Grains of Water | 6.82 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10867_C568
Last updated:
2025-02-02

Load data for 188 loads in caliber .375 Weath. Mag. with .375 | 300gr | Swift A-Frame bullet and 94 powders such as Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N550, Winchester 760. 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

  • .

    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>>
85%
56855
89%
**43
100%
ADI AR 2208
<<locked>>
91%
57319
90%
**39
100%
ADI AR 2209
<<locked>>
97%
47732
75%
**74
95%
[ADI AR 2213]*
<<locked>>
97%
42873
67%
**02
91%
Accurate 2200
<<locked>>
84%
56840
89%
**20
100%
Accurate 2520
<<locked>>
83%
57130
90%
**23
100%
Accurate 2700
<<locked>>
91%
56913
89%
**93
98%
Accurate 3100
<<locked>>
97%
41234
65%
**59
97%
Accurate 4064
<<locked>>
89%
57101
89%
**13
100%
Accurate 4350
<<locked>>
97%
56739
89%
**05
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
57305
90%
**52
100%
Alliant Reloder-15
<<locked>>
88%
57305
90%
**66
100%
Alliant Reloder-16
<<locked>>
97%
54157
85%
**02
100%
Alliant Reloder-17
<<locked>>
94%
56811
89%
**57
100%
Alliant Reloder-19
<<locked>>
97%
47181
74%
**74
95%
[Alliant Reloder-22]*
<<locked>>
97%
41423
65%
**11
94%
Alliant Reloder-23
<<locked>>
97%
39218
61%
**82
99%
Alliant Reloder-25
<<locked>>
97%
34606
54%
**80
95%
Alliant Reloder-26
<<locked>>
97%
43511
68%
**23
99%
Baschieri & Pellagri 107
<<locked>>
85%
56768
89%
**62
100%
Hodgdon BL-C2
<<locked>>
83%
57145
90%
**62
100%
Hodgdon CFE223
<<locked>>
89%
57145
90%
**05
100%
Hodgdon H380
<<locked>>
90%
57188
90%
**62
100%
Hodgdon H414 👍
<<locked>>
93%
56797
89%
**15
99%
Hodgdon H4350
<<locked>>
97%
52301
82%
**97
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
44889
70%
**02
92%
Hodgdon Hybrid 100V
<<locked>>
97%
50053
78%
**84
100%
Hodgdon LVR
<<locked>>
95%
57116
89%
**02
100%
Hodgdon Superperformance
<<locked>>
96%
57334
90%
**54
99%
Hodgdon VARGET
<<locked>>
91%
57319
90%
**39
100%
IMR 3031
<<locked>>
88%
57145
90%
**23
100%
IMR 4064
<<locked>>
92%
57232
90%
**26
100%
IMR 4166 Enduron
<<locked>>
92%
56695
89%
**13
99%
IMR 4350
<<locked>>
97%
54520
85%
**30
98%
IMR 4451 Enduron
<<locked>>
93%
57188
90%
**39
99%
IMR 4831
<<locked>>
97%
47892
75%
**64
99%
IMR 4895
<<locked>>
87%
57087
89%
**72
100%
[IMR 4955 Enduron]*
<<locked>>
97%
44672
70%
**69
92%
[IMR 7828 SSC]*
<<locked>>
97%
44005
69%
**34
92%
IMR 8208 XBR
<<locked>>
84%
57116
89%
**13
100%
Lovex D073.6
<<locked>>
85%
57130
90%
**23
100%
Lovex S060
<<locked>>
86%
57159
90%
**90
100%
Lovex S062
<<locked>>
89%
57232
90%
**23
100%
Lovex S065
<<locked>>
95%
57014
89%
**46
99%
Lovex S070
<<locked>>
97%
57145
90%
**62
99%
Lovex S071
<<locked>>
97%
34780
55%
**31
95%
Norma 201
<<locked>>
86%
56942
89%
**03
100%
Norma 202
<<locked>>
86%
57188
90%
**03
100%
Norma 203B
<<locked>>
89%
57043
89%
**62
100%
Norma 204
<<locked>>
97%
55187
86%
**72
97%
Norma MRP
<<locked>>
97%
43091
68%
**80
96%
Norma URP
<<locked>>
97%
55187
86%
**89
100%
Ramshot Big Game
<<locked>>
88%
57334
90%
**89
100%
Ramshot Hunter
<<locked>>
97%
53737
84%
**85
99%
[Ramshot Magnum]*
<<locked>>
97%
39639
62%
**49
93%
Ramshot TAC
<<locked>>
84%
57348
90%
**39
100%
Ramshot Wild Boar
<<locked>>
84%
56971
89%
**49
100%
ReloadSwiss RS 50
<<locked>>
90%
57290
90%
**46
99%
ReloadSwiss RS 52
<<locked>>
89%
57174
90%
**82
100%
ReloadSwiss RS 60
<<locked>>
95%
57087
89%
**77
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
55506
87%
**15
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
54940
86%
**41
100%
Rottweil R 902
<<locked>>
87%
57014
89%
**97
100%
Rottweil R 903
<<locked>>
92%
57014
89%
**49
100%
[Rottweil R 904]*
<<locked>>
97%
49400
77%
**54
94%
Rottweil R 905
<<locked>>
97%
45571
71%
**51
95%
Rottweil R 907
<<locked>>
94%
57029
89%
**36
98%
SNPE Vectan SP 11
<<locked>>
91%
56884
89%
**89
100%
SNPE Vectan SP 7
<<locked>>
84%
57246
90%
**36
100%
SNPE Vectan SP 9
<<locked>>
86%
56971
89%
**46
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
56840
89%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
57014
89%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
56898
89%
**97
99%
Shooters World Long Rifle
<<locked>>
95%
57014
89%
**46
99%
Shooters World Match Rifle
<<locked>>
85%
57130
90%
**23
100%
Shooters World Precision
<<locked>>
89%
57232
90%
**23
100%
Somchem S335
<<locked>>
85%
56797
89%
**38
100%
Somchem S341
<<locked>>
85%
57319
90%
**36
100%
Somchem S355
<<locked>>
92%
57043
89%
**49
100%
[Somchem S361]*
<<locked>>
97%
50952
80%
**48
94%
Somchem S365
<<locked>>
97%
49719
78%
**43
100%
Somchem S385
<<locked>>
97%
46572
73%
**44
96%
Vihtavuori N133
<<locked>>
87%
56869
89%
**15
100%
Vihtavuori N135
<<locked>>
93%
57305
90%
**70
100%
Vihtavuori N140
<<locked>>
88%
56956
89%
**77
100%
Vihtavuori N150
<<locked>>
97%
56014
88%
**03
100%
Vihtavuori N160
<<locked>>
95%
57290
90%
**72
100%
[Vihtavuori N165]*
<<locked>>
97%
39189
61%
**97
94%
Vihtavuori N540
<<locked>>
88%
56855
89%
**10
100%
Vihtavuori N550 👍
<<locked>>
95%
56869
89%
**12
100%
Vihtavuori N555
<<locked>>
97%
43250
68%
**54
99%
Winchester 6.5 StaBALL
<<locked>>
97%
57116
89%
**56
100%
Winchester 760 👍
<<locked>>
93%
56797
89%
**15
99%
Winchester StaBALL HD
<<locked>>
97%
35259
55%
**98
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50401
79%
**51
100%
ADI AR 2208
<<locked>>
81%
43004
67%
**23
99%
[ADI AR 2209]*
<<locked>>
86%
34374
54%
**08
90%
[ADI AR 2213]*
<<locked>>
94%
39668
62%
**36
90%
Accurate 2200
<<locked>>
81%
52214
82%
**54
100%
Accurate 2520
<<locked>>
81%
52997
83%
**74
100%
Accurate 2700
<<locked>>
81%
41466
65%
**51
95%
[Accurate 3100]*
<<locked>>
82%
25933
41%
**18
90%
Accurate 4064
<<locked>>
81%
45324
71%
**59
100%
Accurate 4350
<<locked>>
81%
33634
53%
**21
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
42902
67%
**43
100%
Alliant Reloder-15
<<locked>>
81%
45745
72%
**02
99%
Alliant Reloder-16
<<locked>>
81%
33446
52%
**24
96%
Alliant Reloder-17
<<locked>>
81%
37289
58%
**33
99%
[Alliant Reloder-19]*
<<locked>>
86%
33547
53%
**98
90%
[Alliant Reloder-22]*
<<locked>>
90%
33881
53%
**47
90%
[Alliant Reloder-23]*
<<locked>>
81%
24831
39%
**14
93%
[Alliant Reloder-25]*
<<locked>>
89%
27992
44%
**00
90%
[Alliant Reloder-26]*
<<locked>>
81%
26121
41%
**93
90%
Baschieri & Pellagri 107
<<locked>>
81%
49472
78%
**64
100%
Hodgdon BL-C2
<<locked>>
81%
52576
82%
**03
100%
Hodgdon CFE223
<<locked>>
81%
44295
69%
**18
99%
Hodgdon H380
<<locked>>
81%
43845
69%
**59
98%
Hodgdon H414
<<locked>>
81%
38551
60%
**16
95%
[Hodgdon H4350]*
<<locked>>
81%
32692
51%
**29
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
40408
63%
**13
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31024
49%
**36
97%
Hodgdon LVR
<<locked>>
81%
36303
57%
**60
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34983
55%
**54
92%
Hodgdon VARGET
<<locked>>
81%
42322
66%
**10
99%
IMR 3031
<<locked>>
81%
47195
74%
**92
100%
IMR 4064
<<locked>>
81%
42264
66%
**00
99%
IMR 4166 Enduron
<<locked>>
81%
41872
66%
**70
96%
[IMR 4350]*
<<locked>>
81%
34316
54%
**65
92%
IMR 4451 Enduron
<<locked>>
81%
39740
62%
**57
95%
IMR 4831
<<locked>>
81%
29704
47%
**10
95%
IMR 4895
<<locked>>
81%
46978
74%
**28
100%
[IMR 4955 Enduron]*
<<locked>>
92%
39088
61%
**64
90%
[IMR 7828 SSC]*
<<locked>>
94%
39581
62%
**46
90%
IMR 8208 XBR
<<locked>>
81%
52185
82%
**48
100%
Lovex D073.6
<<locked>>
81%
50082
78%
**31
100%
Lovex S060
<<locked>>
81%
49777
78%
**85
100%
Lovex S062
<<locked>>
81%
45353
71%
**52
100%
Lovex S065
<<locked>>
81%
37623
59%
**24
96%
[Lovex S070]*
<<locked>>
81%
35868
56%
**01
94%
[Lovex S071]*
<<locked>>
87%
25918
41%
**18
90%
Norma 201
<<locked>>
81%
49690
78%
**08
100%
Norma 202
<<locked>>
81%
49676
78%
**08
100%
Norma 203B
<<locked>>
81%
45295
71%
**95
100%
[Norma 204]*
<<locked>>
82%
34229
54%
**95
90%
[Norma MRP]*
<<locked>>
86%
30719
48%
**95
90%
Norma URP
<<locked>>
81%
33939
53%
**21
96%
Ramshot Big Game
<<locked>>
81%
44904
70%
**08
100%
[Ramshot Hunter]*
<<locked>>
81%
32866
52%
**95
93%
[Ramshot Magnum]*
<<locked>>
92%
33910
53%
**24
90%
Ramshot TAC
<<locked>>
81%
52257
82%
**70
99%
Ramshot Wild Boar
<<locked>>
81%
51735
81%
**80
100%
ReloadSwiss RS 50
<<locked>>
81%
43671
68%
**39
97%
ReloadSwiss RS 52
<<locked>>
81%
44309
69%
**05
100%
ReloadSwiss RS 60
<<locked>>
81%
36390
57%
**33
100%
ReloadSwiss RS 62
<<locked>>
81%
33344
52%
**34
96%
ReloadSwiss RS 70
<<locked>>
81%
32895
52%
**28
95%
Rottweil R 902
<<locked>>
81%
47398
74%
**65
100%
Rottweil R 903
<<locked>>
81%
40872
64%
**10
100%
[Rottweil R 904]*
<<locked>>
87%
36883
58%
**28
90%
[Rottweil R 905]*
<<locked>>
86%
32721
51%
**92
90%
[Rottweil R 907]*
<<locked>>
81%
38464
60%
**31
94%
SNPE Vectan SP 11
<<locked>>
81%
41046
64%
**46
99%
SNPE Vectan SP 7
<<locked>>
81%
50923
80%
**48
99%
SNPE Vectan SP 9
<<locked>>
81%
48660
76%
**28
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50415
79%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42322
66%
**38
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36521
57%
**72
94%
Shooters World Long Rifle
<<locked>>
81%
37623
59%
**24
96%
Shooters World Match Rifle
<<locked>>
81%
50082
78%
**31
100%
Shooters World Precision
<<locked>>
81%
45353
71%
**52
100%
Somchem S335
<<locked>>
81%
50212
79%
**52
100%
Somchem S341
<<locked>>
81%
50531
79%
**41
100%
Somchem S355
<<locked>>
81%
41379
65%
**13
99%
[Somchem S361]*
<<locked>>
89%
39610
62%
**60
90%
Somchem S365
<<locked>>
81%
30487
48%
**78
98%
[Somchem S385]*
<<locked>>
83%
29965
47%
**06
90%
Vihtavuori N133
<<locked>>
81%
47645
75%
**93
100%
Vihtavuori N135
<<locked>>
81%
40277
63%
**41
100%
Vihtavuori N140
<<locked>>
81%
46601
73%
**43
100%
Vihtavuori N150
<<locked>>
81%
35317
55%
**78
99%
Vihtavuori N160
<<locked>>
81%
36448
57%
**44
97%
[Vihtavuori N165]*
<<locked>>
90%
31908
50%
**36
90%
Vihtavuori N540
<<locked>>
81%
46311
73%
**65
100%
Vihtavuori N550
<<locked>>
81%
37144
58%
**80
97%
[Vihtavuori N555]*
<<locked>>
81%
26701
42%
**83
94%
Winchester 6.5 StaBALL
<<locked>>
81%
34679
54%
**92
98%
Winchester 760
<<locked>>
81%
38551
60%
**16
95%
[Winchester StaBALL HD]*
<<locked>>
82%
22568
35%
**82
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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