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Load data for .375 Weath. Mag. + .375 | 250gr | Hornady GMX

Recommended Powder(s): Baschieri & Pellagri 107, Hodgdon BL-C2, IMR 4895, Norma 203B, ReloadSwiss RS 52

.375 Weath. Mag. + .375 | 250gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 250gr | Hornady GMX
Manufacturer SKU:
3708
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.543" | 39.2mm
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.886" | 22.5mm
Shank Seated Depth:
0.666" | 16.9mm
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_B2806_C568
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:12

Load data for 196 loads in caliber .375 Weath. Mag. with .375 | 250gr | Hornady GMX bullet and 98 powders such as Baschieri & Pellagri 107, Hodgdon BL-C2, IMR 4895, Norma 203B, ReloadSwiss RS 52. 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

  • 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 2206H
<<locked>>
93%
57188
90%
**59
100%
ADI AR 2208
<<locked>>
97%
53882
84%
**94
99%
ADI AR 2219
<<locked>>
84%
57000
89%
**17
100%
Accurate 2015
<<locked>>
89%
56985
89%
**57
100%
Accurate 2200
<<locked>>
91%
57188
90%
**17
99%
Accurate 2230
<<locked>>
87%
56710
89%
**03
100%
Accurate 2460
<<locked>>
87%
57087
89%
**13
100%
Accurate 2495
<<locked>>
92%
56753
89%
**30
100%
Accurate 2520
<<locked>>
92%
57261
90%
**53
100%
[Accurate 2700]*
<<locked>>
97%
52953
83%
**08
94%
Accurate 4064
<<locked>>
97%
54085
85%
**13
100%
Accurate 4350
<<locked>>
97%
40234
63%
**49
95%
Alliant AR-Comp
<<locked>>
92%
57246
90%
**10
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
53359
84%
**13
100%
Alliant Reloder-10x
<<locked>>
87%
57276
90%
**71
100%
Alliant Reloder-15
<<locked>>
97%
57072
89%
**79
99%
Alliant Reloder-16
<<locked>>
97%
40886
64%
**59
95%
Alliant Reloder-17
<<locked>>
97%
46818
73%
**03
99%
Baschieri & Pellagri 106
<<locked>>
85%
57334
90%
**21
100%
Baschieri & Pellagri 107 👍
<<locked>>
93%
56869
89%
**72
99%
Hodgdon BL-C2 👍
<<locked>>
92%
56913
89%
**79
100%
Hodgdon Benchmark
<<locked>>
90%
56956
89%
**80
100%
Hodgdon CFE223
<<locked>>
97%
56898
89%
**08
99%
Hodgdon H322
<<locked>>
90%
57000
89%
**17
100%
Hodgdon H335
<<locked>>
85%
57392
90%
**30
100%
Hodgdon H380
<<locked>>
97%
54911
86%
**40
98%
[Hodgdon H414]*
<<locked>>
97%
48675
76%
**87
94%
Hodgdon H4198
<<locked>>
84%
57188
90%
**28
100%
Hodgdon Hybrid 100V
<<locked>>
97%
37405
59%
**61
96%
Hodgdon LVR
<<locked>>
97%
45223
71%
**21
96%
[Hodgdon Superperformance]*
<<locked>>
97%
45005
71%
**18
92%
Hodgdon VARGET
<<locked>>
97%
53577
84%
**84
99%
IMR 3031
<<locked>>
96%
56898
89%
**59
100%
IMR 4064
<<locked>>
97%
52504
82%
**64
99%
IMR 4166 Enduron
<<locked>>
97%
52895
83%
**31
95%
IMR 4198
<<locked>>
87%
57435
90%
**28
100%
[IMR 4350]*
<<locked>>
97%
41989
66%
**00
91%
IMR 4451 Enduron
<<locked>>
97%
50154
79%
**21
95%
[IMR 4831]*
<<locked>>
97%
34998
55%
**21
94%
IMR 4895 👍
<<locked>>
96%
56971
89%
**92
100%
IMR 8208 XBR
<<locked>>
92%
57290
90%
**26
100%
Lovex D073.4
<<locked>>
86%
56739
89%
**94
100%
Lovex D073.5
<<locked>>
87%
56724
89%
**07
100%
Lovex D073.6
<<locked>>
94%
57261
90%
**53
100%
Lovex S060
<<locked>>
93%
56956
89%
**87
99%
Lovex S062
<<locked>>
97%
55883
88%
**20
100%
Lovex S065
<<locked>>
97%
45527
71%
**59
95%
[Lovex S070]*
<<locked>>
97%
43352
68%
**36
93%
Norma 201
<<locked>>
94%
57232
90%
**26
100%
Norma 202
<<locked>>
94%
56768
89%
**23
100%
Norma 203B 👍
<<locked>>
97%
56855
89%
**72
100%
Norma URP
<<locked>>
97%
40683
64%
**52
95%
Ramshot Big Game
<<locked>>
97%
57130
90%
**95
99%
[Ramshot Hunter]*
<<locked>>
97%
40422
63%
**33
93%
Ramshot TAC
<<locked>>
91%
56855
89%
**20
98%
Ramshot Wild Boar
<<locked>>
92%
57101
89%
**62
99%
Ramshot X-Terminator
<<locked>>
89%
57203
90%
**13
99%
ReloadSwiss RS 40
<<locked>>
87%
56840
89%
**10
100%
ReloadSwiss RS 50
<<locked>>
97%
55956
88%
**17
97%
ReloadSwiss RS 52 👍
<<locked>>
97%
55898
88%
**99
100%
ReloadSwiss RS 60
<<locked>>
97%
45426
71%
**97
99%
ReloadSwiss RS 62
<<locked>>
97%
40132
63%
**59
95%
[ReloadSwiss RS 70]*
<<locked>>
97%
41582
65%
**72
94%
Rottweil R 901
<<locked>>
91%
57348
90%
**97
100%
Rottweil R 902
<<locked>>
96%
57319
90%
**20
100%
Rottweil R 903
<<locked>>
97%
49588
78%
**67
99%
[Rottweil R 907]*
<<locked>>
97%
48225
76%
**89
93%
SNPE Vectan SP 10
<<locked>>
84%
57072
89%
**23
100%
SNPE Vectan SP 11
<<locked>>
97%
51576
81%
**30
99%
SNPE Vectan SP 7
<<locked>>
92%
57043
89%
**30
98%
SNPE Vectan SP 9
<<locked>>
94%
57101
89%
**53
99%
SNPE Vectan Tubal 3000
<<locked>>
93%
57392
90%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
53461
84%
**98
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
45745
72%
**20
94%
Shooters World Long Rifle
<<locked>>
97%
45527
71%
**59
95%
Shooters World Match Rifle
<<locked>>
94%
57261
90%
**53
100%
Shooters World Precision
<<locked>>
97%
55883
88%
**20
100%
Shooters World Tactical Rifle
<<locked>>
86%
57276
90%
**94
100%
Somchem S321
<<locked>>
89%
56666
89%
**40
100%
Somchem S335
<<locked>>
93%
57101
89%
**57
100%
Somchem S341
<<locked>>
92%
56724
89%
**33
99%
Somchem S355
<<locked>>
97%
50154
79%
**61
99%
Somchem S365
<<locked>>
97%
36216
57%
**93
97%
Vihtavuori N120
<<locked>>
84%
57276
90%
**56
100%
Vihtavuori N130
<<locked>>
89%
57363
90%
**21
100%
Vihtavuori N133
<<locked>>
95%
57348
90%
**38
100%
Vihtavuori N135
<<locked>>
97%
48486
76%
**85
100%
Vihtavuori N140
<<locked>>
96%
57334
90%
**07
100%
Vihtavuori N150
<<locked>>
97%
42569
67%
**10
99%
Vihtavuori N160
<<locked>>
97%
45078
71%
**89
96%
Vihtavuori N530
<<locked>>
89%
56579
89%
**26
100%
Vihtavuori N540
<<locked>>
96%
57000
89%
**33
100%
Vihtavuori N550
<<locked>>
97%
45078
71%
**31
96%
[Vihtavuori N555]*
<<locked>>
97%
30110
47%
**59
92%
Winchester 6.5 StaBALL
<<locked>>
97%
43874
69%
**46
98%
Winchester 748
<<locked>>
89%
56782
89%
**69
100%
[Winchester 760]*
<<locked>>
97%
48675
76%
**87
94%
Winchester StaBALL Match
<<locked>>
87%
57305
90%
**69
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39044
61%
**48
96%
[ADI AR 2208]*
<<locked>>
81%
33417
52%
**10
94%
ADI AR 2219
<<locked>>
81%
51213
80%
**41
100%
Accurate 2015
<<locked>>
81%
44208
69%
**77
100%
Accurate 2200
<<locked>>
81%
41176
65%
**57
95%
Accurate 2230
<<locked>>
81%
46543
73%
**52
99%
Accurate 2460
<<locked>>
81%
46383
73%
**59
100%
Accurate 2495
<<locked>>
81%
39044
61%
**61
100%
Accurate 2520
<<locked>>
81%
39726
62%
**84
99%
[Accurate 2700]*
<<locked>>
88%
39972
63%
**88
90%
Accurate 4064
<<locked>>
81%
32837
51%
**43
99%
[Accurate 4350]*
<<locked>>
87%
28369
44%
**77
90%
Alliant AR-Comp
<<locked>>
81%
39972
63%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
32184
50%
**26
95%
Alliant Reloder-10x
<<locked>>
81%
48196
76%
**49
100%
[Alliant Reloder-15]*
<<locked>>
81%
34780
55%
**79
94%
[Alliant Reloder-16]*
<<locked>>
87%
30574
48%
**03
90%
[Alliant Reloder-17]*
<<locked>>
81%
28108
44%
**64
91%
Baschieri & Pellagri 106
<<locked>>
81%
49995
78%
**26
100%
Baschieri & Pellagri 107
<<locked>>
81%
37782
59%
**41
95%
Hodgdon BL-C2
<<locked>>
81%
39450
62%
**97
98%
Hodgdon Benchmark
<<locked>>
81%
43134
68%
**64
99%
[Hodgdon CFE223]*
<<locked>>
81%
33272
52%
**69
92%
Hodgdon H322
<<locked>>
81%
43584
68%
**16
100%
Hodgdon H335
<<locked>>
81%
50401
79%
**35
100%
[Hodgdon H380]*
<<locked>>
81%
32648
51%
**20
92%
[Hodgdon H414]*
<<locked>>
89%
37101
58%
**54
90%
Hodgdon H4198
<<locked>>
81%
52881
83%
**69
100%
[Hodgdon Hybrid 100V]*
<<locked>>
85%
25788
40%
**49
90%
[Hodgdon LVR]*
<<locked>>
85%
31386
49%
**20
90%
[Hodgdon Superperformance]*
<<locked>>
94%
40640
64%
**33
90%
[Hodgdon VARGET]*
<<locked>>
81%
33054
52%
**03
93%
IMR 3031
<<locked>>
81%
34911
55%
**05
100%
[IMR 4064]*
<<locked>>
81%
32634
51%
**87
94%
[IMR 4166 Enduron]*
<<locked>>
85%
36782
58%
**33
90%
IMR 4198
<<locked>>
81%
48936
77%
**16
100%
[IMR 4350]*
<<locked>>
94%
39001
61%
**38
90%
[IMR 4451 Enduron]*
<<locked>>
87%
37463
59%
**82
90%
[IMR 4831]*
<<locked>>
91%
28689
45%
**60
90%
IMR 4895
<<locked>>
81%
35636
56%
**08
95%
IMR 8208 XBR
<<locked>>
81%
41089
64%
**64
98%
Lovex D073.4
<<locked>>
81%
48298
76%
**75
100%
Lovex D073.5
<<locked>>
81%
45876
72%
**52
100%
Lovex D073.6
<<locked>>
81%
37159
58%
**31
99%
Lovex S060
<<locked>>
81%
39987
63%
**05
97%
Lovex S062
<<locked>>
81%
34635
54%
**46
97%
[Lovex S065]*
<<locked>>
85%
32256
51%
**77
90%
[Lovex S070]*
<<locked>>
91%
35694
56%
**79
90%
Norma 201
<<locked>>
81%
38508
60%
**18
98%
Norma 202
<<locked>>
81%
38232
60%
**28
99%
Norma 203B
<<locked>>
81%
34040
53%
**72
95%
[Norma URP]*
<<locked>>
86%
29472
46%
**80
90%
[Ramshot Big Game]*
<<locked>>
81%
33750
53%
**75
94%
[Ramshot Hunter]*
<<locked>>
92%
34737
54%
**08
90%
[Ramshot TAC]*
<<locked>>
81%
40973
64%
**61
94%
Ramshot Wild Boar
<<locked>>
81%
40001
63%
**80
97%
Ramshot X-Terminator
<<locked>>
81%
44643
70%
**13
98%
ReloadSwiss RS 40
<<locked>>
81%
46180
72%
**59
100%
[ReloadSwiss RS 50]*
<<locked>>
82%
34766
54%
**39
90%
ReloadSwiss RS 52
<<locked>>
81%
32648
51%
**75
96%
[ReloadSwiss RS 60]*
<<locked>>
81%
27456
43%
**47
91%
[ReloadSwiss RS 62]*
<<locked>>
88%
30211
47%
**26
90%
[ReloadSwiss RS 70]*
<<locked>>
91%
34418
54%
**08
90%
Rottweil R 901
<<locked>>
81%
42250
66%
**67
100%
Rottweil R 902
<<locked>>
81%
36492
57%
**69
97%
[Rottweil R 903]*
<<locked>>
81%
29573
46%
**67
94%
[Rottweil R 907]*
<<locked>>
90%
38667
61%
**05
90%
SNPE Vectan SP 10
<<locked>>
81%
51532
81%
**51
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
30937
48%
**13
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
38899
61%
**31
94%
SNPE Vectan SP 9
<<locked>>
81%
37463
59%
**21
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
40074
63%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32851
51%
**54
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
90%
35665
56%
**33
90%
[Shooters World Long Rifle]*
<<locked>>
85%
32256
51%
**77
90%
Shooters World Match Rifle
<<locked>>
81%
37159
58%
**31
99%
Shooters World Precision
<<locked>>
81%
34635
54%
**46
97%
Shooters World Tactical Rifle
<<locked>>
81%
48907
77%
**69
99%
Somchem S321
<<locked>>
81%
43947
69%
**39
99%
Somchem S335
<<locked>>
81%
39581
62%
**92
100%
Somchem S341
<<locked>>
81%
38392
60%
**31
96%
[Somchem S355]*
<<locked>>
81%
30908
48%
**83
94%
[Somchem S365]*
<<locked>>
83%
23743
37%
**39
90%
Vihtavuori N120
<<locked>>
81%
52185
82%
**93
100%
Vihtavuori N130
<<locked>>
81%
44628
70%
**48
100%
Vihtavuori N133
<<locked>>
81%
37521
59%
**43
100%
Vihtavuori N135
<<locked>>
81%
29921
47%
**47
99%
Vihtavuori N140
<<locked>>
81%
35868
56%
**59
99%
[Vihtavuori N150]*
<<locked>>
81%
26179
41%
**42
94%
[Vihtavuori N160]*
<<locked>>
84%
29849
47%
**60
90%
Vihtavuori N530
<<locked>>
81%
43352
68%
**20
99%
Vihtavuori N540
<<locked>>
81%
35317
55%
**75
99%
[Vihtavuori N550]*
<<locked>>
83%
29341
46%
**83
90%
[Vihtavuori N555]*
<<locked>>
94%
27934
44%
**93
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26513
42%
**36
91%
Winchester 748
<<locked>>
81%
42902
67%
**56
99%
[Winchester 760]*
<<locked>>
89%
37101
58%
**54
90%
Winchester StaBALL Match
<<locked>>
81%
45788
72%
**95
99%

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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