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Load data for .375 Weath. Mag. + .375 | 270gr | Speer Boat Tail Soft Point

Recommended Powder(s):

.375 Weath. Mag. + .375 | 270gr | Speer Boat Tail Soft Point

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Speer Boat Tail Soft Point
Manufacturer SKU:
2472
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.310" | 33.3mm
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.653" | 16.6mm
Shank Seated Depth:
0.479" | 12.2mm
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_B6245_C568
Last updated:
2025-01-01
Recommended Twist Rate:
1:18 - 1:15

Load data for 192 loads in caliber .375 Weath. Mag. with .375 | 270gr | Speer Boat Tail Soft Point bullet and 96 powder(s). 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 2206H
<<locked>>
89%
57319
90%
**00
100%
ADI AR 2208
<<locked>>
94%
56855
89%
**77
100%
Accurate 2015
<<locked>>
85%
57377
90%
**92
100%
Accurate 2200
<<locked>>
87%
57232
90%
**61
99%
Accurate 2230
<<locked>>
83%
57334
90%
**48
100%
Accurate 2460
<<locked>>
83%
57290
90%
**44
100%
Accurate 2495
<<locked>>
88%
56782
89%
**48
100%
Accurate 2520
<<locked>>
87%
57101
89%
**80
100%
Accurate 2700
<<locked>>
95%
56724
89%
**21
97%
[Accurate 3100]*
<<locked>>
97%
34374
54%
**56
93%
Accurate 4064
<<locked>>
93%
57203
90%
**77
100%
Accurate 4350
<<locked>>
97%
48472
76%
**38
99%
Alliant AR-Comp
<<locked>>
87%
57421
90%
**35
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
57305
90%
**07
100%
Alliant Reloder-15
<<locked>>
92%
57000
89%
**17
100%
Alliant Reloder-16
<<locked>>
97%
46992
74%
**35
99%
Alliant Reloder-17 👍
<<locked>>
97%
54795
86%
**82
100%
[Alliant Reloder-19]*
<<locked>>
97%
41423
65%
**93
92%
Alliant Reloder-23
<<locked>>
97%
33953
53%
**88
97%
Alliant Reloder-26
<<locked>>
97%
36912
58%
**13
95%
Baschieri & Pellagri 107
<<locked>>
89%
57101
89%
**13
100%
Hodgdon BL-C2
<<locked>>
87%
57188
90%
**10
100%
Hodgdon Benchmark
<<locked>>
86%
57029
89%
**18
100%
Hodgdon CFE223 👍
<<locked>>
92%
57000
89%
**49
100%
Hodgdon H322
<<locked>>
85%
56681
89%
**44
100%
Hodgdon H380
<<locked>>
94%
57246
90%
**10
99%
Hodgdon H414
<<locked>>
97%
56913
89%
**62
98%
Hodgdon H4350
<<locked>>
97%
46137
72%
**30
95%
Hodgdon Hybrid 100V
<<locked>>
97%
43526
68%
**30
99%
Hodgdon LVR
<<locked>>
97%
52576
82%
**87
99%
Hodgdon Superperformance
<<locked>>
97%
51880
81%
**07
96%
Hodgdon VARGET
<<locked>>
95%
57159
90%
**84
100%
IMR 3031
<<locked>>
92%
56710
89%
**77
100%
IMR 4064
<<locked>>
95%
56898
89%
**67
100%
IMR 4166 Enduron
<<locked>>
95%
56826
89%
**44
98%
IMR 4350
<<locked>>
97%
48486
76%
**72
96%
IMR 4451 Enduron
<<locked>>
97%
57000
89%
**80
98%
IMR 4831
<<locked>>
97%
41133
64%
**93
97%
IMR 4895 👍
<<locked>>
91%
57043
89%
**30
100%
IMR 8208 XBR
<<locked>>
87%
57232
90%
**61
100%
Lovex D073.5
<<locked>>
83%
57421
90%
**51
100%
Lovex D073.6
<<locked>>
89%
57101
89%
**80
100%
Lovex S060
<<locked>>
89%
57246
90%
**35
100%
Lovex S062
<<locked>>
93%
57435
90%
**74
100%
Lovex S065
<<locked>>
97%
52982
83%
**25
98%
Lovex S070
<<locked>>
97%
50053
78%
**98
97%
Norma 201
<<locked>>
90%
57014
89%
**61
100%
Norma 202
<<locked>>
89%
57377
90%
**61
100%
Norma 203B
<<locked>>
92%
56739
89%
**13
100%
[Norma 204]*
<<locked>>
97%
48762
76%
**12
94%
[Norma MRP]*
<<locked>>
97%
37347
59%
**80
92%
Norma URP
<<locked>>
97%
47747
75%
**25
99%
Ramshot Big Game
<<locked>>
92%
56869
89%
**30
100%
Ramshot Hunter
<<locked>>
97%
47050
74%
**15
97%
Ramshot TAC
<<locked>>
87%
57334
90%
**77
99%
Ramshot Wild Boar
<<locked>>
87%
56884
89%
**97
100%
Ramshot X-Terminator
<<locked>>
85%
56753
89%
**44
100%
ReloadSwiss RS 40
<<locked>>
84%
57435
90%
**54
100%
ReloadSwiss RS 50
<<locked>>
93%
57377
90%
**87
98%
ReloadSwiss RS 52
<<locked>>
93%
56971
89%
**40
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
53359
84%
**76
100%
ReloadSwiss RS 62
<<locked>>
97%
47906
75%
**51
98%
ReloadSwiss RS 70
<<locked>>
97%
47964
75%
**64
98%
Rottweil R 901
<<locked>>
87%
57000
89%
**28
100%
Rottweil R 902
<<locked>>
91%
57058
89%
**51
100%
Rottweil R 903
<<locked>>
96%
57116
89%
**03
100%
Rottweil R 907
<<locked>>
97%
55274
87%
**48
97%
SNPE Vectan SP 11 👍
<<locked>>
95%
57261
90%
**40
100%
SNPE Vectan SP 7
<<locked>>
88%
56913
89%
**74
99%
SNPE Vectan SP 9
<<locked>>
90%
57188
90%
**97
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
57159
90%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
57246
90%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
53272
83%
**79
97%
Shooters World Long Rifle
<<locked>>
97%
52982
83%
**25
98%
Shooters World Match Rifle
<<locked>>
89%
57101
89%
**80
100%
Shooters World Precision
<<locked>>
93%
57435
90%
**74
100%
Somchem S321
<<locked>>
84%
56710
89%
**71
100%
Somchem S335
<<locked>>
89%
57334
90%
**89
100%
Somchem S341
<<locked>>
88%
57072
89%
**74
100%
Somchem S355
<<locked>>
96%
57217
90%
**00
100%
Somchem S365
<<locked>>
97%
42815
67%
**75
100%
[Somchem S385]*
<<locked>>
97%
40016
63%
**57
93%
Vihtavuori N130
<<locked>>
85%
57029
89%
**46
100%
Vihtavuori N133
<<locked>>
91%
57043
89%
**69
100%
Vihtavuori N135
<<locked>>
97%
56231
88%
**12
100%
Vihtavuori N140
<<locked>>
92%
57087
89%
**31
100%
Vihtavuori N150
<<locked>>
97%
49400
77%
**56
100%
Vihtavuori N160
<<locked>>
97%
52634
82%
**57
99%
Vihtavuori N530
<<locked>>
85%
56913
89%
**71
100%
Vihtavuori N540
<<locked>>
92%
56855
89%
**57
100%
Vihtavuori N550
<<locked>>
97%
53185
83%
**07
99%
Vihtavuori N555
<<locked>>
97%
36260
57%
**57
97%
Winchester 6.5 StaBALL
<<locked>>
97%
50807
80%
**08
100%
Winchester 748
<<locked>>
85%
57159
90%
**03
100%
Winchester 760
<<locked>>
97%
56913
89%
**62
98%
Winchester StaBALL HD
<<locked>>
97%
29892
47%
**46
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44556
70%
**03
99%
ADI AR 2208
<<locked>>
81%
37782
59%
**56
97%
Accurate 2015
<<locked>>
81%
50328
79%
**00
100%
Accurate 2200
<<locked>>
81%
46717
73%
**03
98%
Accurate 2230
<<locked>>
81%
53098
83%
**92
100%
Accurate 2460
<<locked>>
81%
53330
84%
**98
100%
Accurate 2495
<<locked>>
81%
46006
72%
**03
100%
Accurate 2520
<<locked>>
81%
46441
73%
**26
100%
[Accurate 2700]*
<<locked>>
81%
36100
57%
**70
91%
[Accurate 3100]*
<<locked>>
92%
28993
45%
**24
90%
Accurate 4064
<<locked>>
81%
38754
61%
**98
100%
[Accurate 4350]*
<<locked>>
81%
27891
44%
**08
92%
Alliant AR-Comp
<<locked>>
81%
46818
73%
**97
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37347
59%
**82
98%
Alliant Reloder-15
<<locked>>
81%
40118
63%
**38
98%
[Alliant Reloder-16]*
<<locked>>
81%
29196
46%
**28
92%
Alliant Reloder-17
<<locked>>
81%
32227
50%
**43
96%
[Alliant Reloder-19]*
<<locked>>
94%
37681
59%
**11
90%
[Alliant Reloder-23]*
<<locked>>
85%
23931
37%
**93
90%
[Alliant Reloder-26]*
<<locked>>
90%
29153
46%
**00
90%
Baschieri & Pellagri 107
<<locked>>
81%
43453
68%
**03
98%
Hodgdon BL-C2
<<locked>>
81%
46180
72%
**56
100%
Hodgdon Benchmark
<<locked>>
81%
48501
76%
**97
100%
Hodgdon CFE223
<<locked>>
81%
38319
60%
**41
97%
Hodgdon H322
<<locked>>
81%
49400
77%
**43
100%
Hodgdon H380
<<locked>>
81%
37797
59%
**82
96%
[Hodgdon H414]*
<<locked>>
81%
33344
52%
**23
91%
[Hodgdon H4350]*
<<locked>>
87%
33837
53%
**83
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26585
42%
**39
93%
[Hodgdon LVR]*
<<locked>>
81%
31517
49%
**74
93%
[Hodgdon Superperformance]*
<<locked>>
85%
34911
55%
**75
90%
Hodgdon VARGET
<<locked>>
81%
37681
59%
**56
97%
IMR 3031
<<locked>>
81%
40727
64%
**44
100%
IMR 4064
<<locked>>
81%
37202
58%
**39
97%
[IMR 4166 Enduron]*
<<locked>>
81%
37246
58%
**03
93%
[IMR 4350]*
<<locked>>
85%
33576
53%
**77
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35244
55%
**93
92%
[IMR 4831]*
<<locked>>
81%
25077
39%
**10
90%
IMR 4895
<<locked>>
81%
41147
64%
**70
98%
IMR 8208 XBR
<<locked>>
81%
46789
73%
**10
100%
Lovex D073.5
<<locked>>
81%
52837
83%
**89
100%
Lovex D073.6
<<locked>>
81%
43540
68%
**84
100%
Lovex S060
<<locked>>
81%
44585
70%
**44
99%
Lovex S062
<<locked>>
81%
39465
62%
**98
99%
[Lovex S065]*
<<locked>>
81%
32561
51%
**41
92%
[Lovex S070]*
<<locked>>
81%
31038
49%
**18
90%
Norma 201
<<locked>>
81%
43772
69%
**57
100%
Norma 202
<<locked>>
81%
43816
69%
**67
100%
Norma 203B
<<locked>>
81%
39624
62%
**28
98%
[Norma 204]*
<<locked>>
89%
38174
60%
**02
90%
[Norma MRP]*
<<locked>>
94%
34389
54%
**05
90%
[Norma URP]*
<<locked>>
81%
28761
45%
**18
92%
Ramshot Big Game
<<locked>>
81%
38957
61%
**41
98%
[Ramshot Hunter]*
<<locked>>
83%
30342
48%
**57
90%
Ramshot TAC
<<locked>>
81%
46543
73%
**16
97%
Ramshot Wild Boar
<<locked>>
81%
45977
72%
**36
99%
Ramshot X-Terminator
<<locked>>
81%
50502
79%
**56
100%
ReloadSwiss RS 40
<<locked>>
81%
52388
82%
**85
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38421
60%
**72
94%
ReloadSwiss RS 52
<<locked>>
81%
38203
60%
**38
99%
ReloadSwiss RS 60
<<locked>>
81%
31386
49%
**33
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
28079
44%
**24
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
29602
46%
**44
90%
Rottweil R 901
<<locked>>
81%
47848
75%
**00
100%
Rottweil R 902
<<locked>>
81%
41713
65%
**15
99%
Rottweil R 903
<<locked>>
81%
34737
54%
**33
98%
[Rottweil R 907]*
<<locked>>
81%
33663
53%
**51
90%
SNPE Vectan SP 11
<<locked>>
81%
35650
56%
**72
97%
SNPE Vectan SP 7
<<locked>>
81%
44904
70%
**93
97%
SNPE Vectan SP 9
<<locked>>
81%
43018
67%
**70
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45252
71%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37550
59%
**93
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31372
49%
**88
90%
[Shooters World Long Rifle]*
<<locked>>
81%
32561
51%
**41
92%
Shooters World Match Rifle
<<locked>>
81%
43540
68%
**84
100%
Shooters World Precision
<<locked>>
81%
39465
62%
**98
99%
Somchem S321
<<locked>>
81%
50386
79%
**82
100%
Somchem S335
<<locked>>
81%
44817
70%
**21
100%
Somchem S341
<<locked>>
81%
44367
70%
**84
99%
Somchem S355
<<locked>>
81%
35679
56%
**39
98%
Somchem S365
<<locked>>
81%
25817
40%
**75
95%
[Somchem S385]*
<<locked>>
92%
33562
53%
**23
90%
Vihtavuori N130
<<locked>>
81%
50067
78%
**61
100%
Vihtavuori N133
<<locked>>
81%
42569
67%
**65
100%
Vihtavuori N135
<<locked>>
81%
34751
54%
**87
100%
Vihtavuori N140
<<locked>>
81%
41176
65%
**98
100%
Vihtavuori N150
<<locked>>
81%
30472
48%
**05
97%
[Vihtavuori N160]*
<<locked>>
81%
31401
49%
**54
93%
Vihtavuori N530
<<locked>>
81%
49168
77%
**62
100%
Vihtavuori N540
<<locked>>
81%
40727
64%
**21
100%
[Vihtavuori N550]*
<<locked>>
81%
31531
49%
**90
94%
[Vihtavuori N555]*
<<locked>>
85%
24526
38%
**42
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30124
47%
**08
95%
Winchester 748
<<locked>>
81%
49864
78%
**05
100%
[Winchester 760]*
<<locked>>
81%
33344
52%
**23
91%
[Winchester StaBALL HD]*
<<locked>>
91%
25251
40%
**78
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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