top of page

Load data for .375 Weath. Mag. + .375 | 270gr | Barnes X S

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N550

.375 Weath. Mag. + .375 | 270gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Barnes X S
Manufacturer SKU:
37585
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.365" | 34.7mm
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.708" | 18.0mm
Shank Seated Depth:
0.708" | 18.0mm
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_B735_C568
Last updated:
2025-01-01

Load data for 192 loads in caliber .375 Weath. Mag. with .375 | 270gr | Barnes X S bullet and 96 powders such as Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11, 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

  • .

    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>>
87%
57261
90%
**61
100%
ADI AR 2208
<<locked>>
93%
57319
90%
**48
100%
[ADI AR 2209]*
<<locked>>
97%
44570
70%
**03
92%
Accurate 2015
<<locked>>
83%
57363
90%
**46
100%
Accurate 2200
<<locked>>
86%
56927
89%
**25
99%
Accurate 2495
<<locked>>
85%
57261
90%
**05
100%
Accurate 2520
<<locked>>
85%
56608
89%
**31
100%
Accurate 2700
<<locked>>
93%
57232
90%
**82
97%
[Accurate 3100]*
<<locked>>
97%
38072
60%
**85
94%
Accurate 4064
<<locked>>
91%
56971
89%
**28
100%
Accurate 4350
<<locked>>
97%
52069
82%
**44
99%
Alliant AR-Comp
<<locked>>
85%
57159
90%
**92
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
57188
90%
**67
100%
Alliant Reloder-15
<<locked>>
91%
57261
90%
**77
100%
Alliant Reloder-16
<<locked>>
97%
49893
78%
**38
99%
Alliant Reloder-17 👍
<<locked>>
97%
57174
90%
**79
100%
[Alliant Reloder-19]*
<<locked>>
97%
43685
68%
**97
92%
Alliant Reloder-23
<<locked>>
97%
36521
57%
**08
97%
Alliant Reloder-26
<<locked>>
97%
40321
63%
**43
96%
Baschieri & Pellagri 107
<<locked>>
88%
57392
90%
**84
100%
Hodgdon BL-C2
<<locked>>
86%
57217
90%
**80
100%
Hodgdon Benchmark
<<locked>>
85%
57174
90%
**85
100%
Hodgdon CFE223 👍
<<locked>>
91%
56971
89%
**20
100%
Hodgdon H322
<<locked>>
84%
57276
90%
**12
100%
Hodgdon H380
<<locked>>
92%
56942
89%
**67
99%
Hodgdon H414
<<locked>>
96%
57072
89%
**33
98%
Hodgdon H4350
<<locked>>
97%
48327
76%
**30
95%
Hodgdon Hybrid 100V
<<locked>>
97%
46340
73%
**33
99%
Hodgdon LVR
<<locked>>
97%
54940
86%
**87
99%
Hodgdon Superperformance
<<locked>>
97%
54752
86%
**13
97%
Hodgdon VARGET
<<locked>>
94%
57319
90%
**44
100%
IMR 3031
<<locked>>
90%
57014
89%
**44
100%
IMR 4064
<<locked>>
94%
56855
89%
**31
100%
IMR 4166 Enduron
<<locked>>
94%
56666
89%
**05
97%
IMR 4350
<<locked>>
97%
50923
80%
**72
96%
IMR 4451 Enduron
<<locked>>
95%
56898
89%
**38
97%
IMR 4831
<<locked>>
97%
44382
70%
**10
98%
IMR 4895
<<locked>>
89%
56550
89%
**77
100%
IMR 8208 XBR
<<locked>>
86%
57421
90%
**31
100%
Lovex D073.6
<<locked>>
87%
56608
89%
**31
100%
Lovex S060
<<locked>>
88%
57159
90%
**95
100%
Lovex S062
<<locked>>
91%
57058
89%
**31
100%
Lovex S065
<<locked>>
97%
55680
87%
**25
98%
Lovex S070
<<locked>>
97%
53374
84%
**08
97%
[Lovex S071]*
<<locked>>
97%
32561
51%
**64
92%
Norma 201
<<locked>>
88%
56884
89%
**15
100%
Norma 202
<<locked>>
88%
57087
89%
**18
100%
Norma 203B
<<locked>>
91%
56971
89%
**74
100%
[Norma 204]*
<<locked>>
97%
51488
81%
**08
94%
[Norma MRP]*
<<locked>>
97%
40350
63%
**97
93%
Norma URP
<<locked>>
97%
50923
80%
**35
99%
Ramshot Big Game
<<locked>>
91%
57116
89%
**00
100%
Ramshot Hunter
<<locked>>
97%
49864
78%
**28
97%
Ramshot TAC
<<locked>>
86%
57014
89%
**35
99%
Ramshot Wild Boar
<<locked>>
86%
56565
89%
**57
100%
Ramshot X-Terminator
<<locked>>
84%
57334
90%
**15
100%
ReloadSwiss RS 50
<<locked>>
92%
57334
90%
**51
98%
ReloadSwiss RS 52
<<locked>>
91%
56956
89%
**03
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
55550
87%
**72
100%
ReloadSwiss RS 62
<<locked>>
97%
50589
79%
**61
99%
ReloadSwiss RS 70
<<locked>>
97%
50662
79%
**71
98%
Rottweil R 901
<<locked>>
85%
57145
90%
**82
100%
Rottweil R 902
<<locked>>
89%
57029
89%
**08
100%
Rottweil R 903
<<locked>>
94%
57188
90%
**67
100%
[Rottweil R 904]*
<<locked>>
97%
46195
72%
**90
91%
[Rottweil R 905]*
<<locked>>
97%
42264
66%
**80
92%
Rottweil R 907
<<locked>>
97%
57406
90%
**38
97%
SNPE Vectan SP 11 👍
<<locked>>
94%
57188
90%
**07
100%
SNPE Vectan SP 7
<<locked>>
87%
57392
90%
**41
99%
SNPE Vectan SP 9
<<locked>>
88%
56855
89%
**54
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
56623
89%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
56811
89%
**39
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
56173
88%
**82
97%
Shooters World Long Rifle
<<locked>>
97%
55680
87%
**25
98%
Shooters World Match Rifle
<<locked>>
87%
56608
89%
**31
100%
Shooters World Precision
<<locked>>
91%
57058
89%
**31
100%
Somchem S321
<<locked>>
83%
57130
90%
**38
100%
Somchem S335
<<locked>>
87%
56594
89%
**46
100%
Somchem S341
<<locked>>
87%
57290
90%
**44
100%
Somchem S355
<<locked>>
94%
57276
90%
**61
100%
Somchem S365
<<locked>>
97%
45614
71%
**89
100%
[Somchem S385]*
<<locked>>
97%
43105
68%
**74
94%
Vihtavuori N130
<<locked>>
84%
57421
90%
**16
100%
Vihtavuori N133
<<locked>>
90%
57174
90%
**36
100%
Vihtavuori N135
<<locked>>
96%
57145
90%
**89
100%
Vihtavuori N140
<<locked>>
90%
56536
89%
**85
100%
Vihtavuori N150
<<locked>>
97%
52417
82%
**62
100%
Vihtavuori N160
<<locked>>
97%
55274
87%
**57
99%
Vihtavuori N530
<<locked>>
84%
57276
90%
**35
100%
Vihtavuori N540
<<locked>>
90%
56623
89%
**18
100%
Vihtavuori N550 👍
<<locked>>
97%
55724
87%
**07
99%
Vihtavuori N555
<<locked>>
97%
39914
63%
**93
97%
Winchester 6.5 StaBALL
<<locked>>
97%
52953
83%
**05
100%
Winchester 748
<<locked>>
84%
57116
90%
**67
100%
Winchester 760
<<locked>>
96%
57072
89%
**33
98%
Winchester StaBALL HD
<<locked>>
97%
33330
52%
**02
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47790
75%
**10
99%
ADI AR 2208
<<locked>>
81%
40393
63%
**69
97%
[ADI AR 2209]*
<<locked>>
93%
40321
63%
**15
90%
Accurate 2015
<<locked>>
81%
53954
85%
**03
100%
Accurate 2200
<<locked>>
81%
49211
77%
**03
98%
Accurate 2495
<<locked>>
81%
51155
80%
**23
100%
Accurate 2520
<<locked>>
81%
50038
78%
**43
100%
[Accurate 2700]*
<<locked>>
81%
39218
61%
**87
92%
[Accurate 3100]*
<<locked>>
89%
29878
47%
**01
90%
Accurate 4064
<<locked>>
81%
43294
68%
**28
100%
[Accurate 4350]*
<<locked>>
81%
32082
50%
**70
94%
Alliant AR-Comp
<<locked>>
81%
49763
78%
**97
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
40480
63%
**98
99%
Alliant Reloder-15
<<locked>>
81%
43555
68%
**57
98%
[Alliant Reloder-16]*
<<locked>>
81%
32053
50%
**60
93%
Alliant Reloder-17
<<locked>>
81%
35302
55%
**75
97%
[Alliant Reloder-19]*
<<locked>>
92%
38725
61%
**95
90%
[Alliant Reloder-23]*
<<locked>>
81%
24598
39%
**60
90%
[Alliant Reloder-26]*
<<locked>>
87%
29747
47%
**64
90%
Baschieri & Pellagri 107
<<locked>>
81%
46528
73%
**10
98%
Hodgdon BL-C2
<<locked>>
81%
48907
77%
**59
100%
Hodgdon Benchmark
<<locked>>
81%
51126
80%
**00
100%
Hodgdon CFE223
<<locked>>
81%
41292
65%
**61
97%
Hodgdon H322
<<locked>>
81%
51909
81%
**39
100%
Hodgdon H380
<<locked>>
81%
41133
64%
**08
96%
[Hodgdon H414]*
<<locked>>
81%
36172
57%
**49
92%
[Hodgdon H4350]*
<<locked>>
85%
34896
55%
**60
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29602
46%
**75
95%
[Hodgdon LVR]*
<<locked>>
81%
34490
54%
**03
94%
[Hodgdon Superperformance]*
<<locked>>
84%
36056
57%
**56
90%
Hodgdon VARGET
<<locked>>
81%
40350
63%
**62
97%
IMR 3031
<<locked>>
81%
44005
69%
**57
100%
IMR 4064
<<locked>>
81%
40147
63%
**52
97%
[IMR 4166 Enduron]*
<<locked>>
81%
39813
62%
**13
93%
[IMR 4350]*
<<locked>>
83%
34853
55%
**60
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37913
59%
**03
92%
[IMR 4831]*
<<locked>>
81%
28369
44%
**52
92%
IMR 4895
<<locked>>
81%
44469
70%
**87
99%
IMR 8208 XBR
<<locked>>
81%
49516
78%
**13
100%
Lovex D073.6
<<locked>>
81%
47123
74%
**97
100%
Lovex S060
<<locked>>
81%
47311
74%
**44
99%
Lovex S062
<<locked>>
81%
42844
67%
**11
99%
[Lovex S065]*
<<locked>>
81%
36100
57%
**70
94%
[Lovex S070]*
<<locked>>
81%
34287
54%
**51
91%
[Lovex S071]*
<<locked>>
94%
29965
47%
**01
90%
Norma 201
<<locked>>
81%
47326
74%
**74
100%
Norma 202
<<locked>>
81%
46862
73%
**77
100%
Norma 203B
<<locked>>
81%
42902
67%
**51
99%
[Norma 204]*
<<locked>>
88%
39479
62%
**88
90%
[Norma MRP]*
<<locked>>
92%
35172
55%
**82
90%
[Norma URP]*
<<locked>>
81%
31908
50%
**54
93%
Ramshot Big Game
<<locked>>
81%
41887
66%
**57
98%
[Ramshot Hunter]*
<<locked>>
81%
31314
49%
**34
90%
Ramshot TAC
<<locked>>
81%
49139
77%
**20
98%
Ramshot Wild Boar
<<locked>>
81%
48704
76%
**43
99%
Ramshot X-Terminator
<<locked>>
81%
52852
83%
**56
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
41307
65%
**82
94%
ReloadSwiss RS 52
<<locked>>
81%
41147
64%
**61
99%
ReloadSwiss RS 60
<<locked>>
81%
34374
54%
**59
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
31473
49%
**70
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
31546
49%
**51
91%
Rottweil R 901
<<locked>>
81%
51764
81%
**10
100%
Rottweil R 902
<<locked>>
81%
45266
71%
**28
100%
Rottweil R 903
<<locked>>
81%
38348
60%
**59
98%
[Rottweil R 904]*
<<locked>>
94%
42873
67%
**25
90%
[Rottweil R 905]*
<<locked>>
93%
37797
59%
**85
90%
[Rottweil R 907]*
<<locked>>
81%
36999
58%
**80
91%
SNPE Vectan SP 11
<<locked>>
81%
38566
60%
**95
97%
SNPE Vectan SP 7
<<locked>>
81%
48066
75%
**00
98%
SNPE Vectan SP 9
<<locked>>
81%
45716
72%
**80
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47950
75%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40045
63%
**97
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34766
54%
**18
92%
[Shooters World Long Rifle]*
<<locked>>
81%
36100
57%
**70
94%
Shooters World Match Rifle
<<locked>>
81%
47123
74%
**97
100%
Shooters World Precision
<<locked>>
81%
42844
67%
**11
99%
Somchem S321
<<locked>>
81%
53417
84%
**89
100%
Somchem S335
<<locked>>
81%
47906
75%
**28
100%
Somchem S341
<<locked>>
81%
47340
74%
**97
99%
Somchem S355
<<locked>>
81%
39102
61%
**65
98%
Somchem S365
<<locked>>
81%
29022
45%
**21
96%
[Somchem S385]*
<<locked>>
90%
34954
55%
**00
90%
Vihtavuori N130
<<locked>>
81%
52881
83%
**57
100%
Vihtavuori N133
<<locked>>
81%
45281
71%
**69
100%
Vihtavuori N135
<<locked>>
81%
38261
60%
**06
100%
Vihtavuori N140
<<locked>>
81%
43845
69%
**08
100%
Vihtavuori N150
<<locked>>
81%
33649
53%
**31
98%
[Vihtavuori N160]*
<<locked>>
81%
34272
54%
**77
94%
Vihtavuori N530
<<locked>>
81%
52112
82%
**66
100%
Vihtavuori N540
<<locked>>
81%
43569
68%
**25
100%
Vihtavuori N550
<<locked>>
81%
34693
54%
**23
95%
[Vihtavuori N555]*
<<locked>>
81%
25541
40%
**16
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33040
52%
**34
96%
Winchester 748
<<locked>>
81%
52576
82%
**05
100%
[Winchester 760]*
<<locked>>
81%
36172
57%
**49
92%
[Winchester StaBALL HD]*
<<locked>>
88%
26020
41%
**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.

bottom of page