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

Recommended Powder(s):

.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:
<<locked>>
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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:
2026-03-22
Recommended Twist Rate:
1:14 - 1:12

Load data for 206 loads in caliber .375 Weath. Mag. with .375 | 250gr | Hornady GMX bullet and 103 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".

  • 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>>
94%
57377
90%
**72
100%
ADI AR 2208
<<locked>>
97%
52489
82%
**74
99%
ADI AR 2219
<<locked>>
85%
57276
90%
**23
100%
ADI Benchmark 8208
<<locked>>
92%
57319
90%
**36
100%
Accurate 2015
<<locked>>
90%
56782
89%
**61
100%
Accurate 2200
<<locked>>
92%
57217
90%
**26
99%
Accurate 2230
<<locked>>
87%
56536
89%
**07
100%
Accurate 2460
<<locked>>
88%
56724
89%
**13
100%
Accurate 2495
<<locked>>
94%
56739
89%
**40
100%
Accurate 2520
<<locked>>
92%
57014
89%
**59
100%
[Accurate 2700]*
<<locked>>
97%
51474
81%
**95
94%
Accurate 4064
<<locked>>
97%
51793
81%
**90
100%
Accurate 4350
<<locked>>
97%
38508
60%
**30
95%
Alliant AR-Comp
<<locked>>
93%
57116
90%
**20
100%
Alliant Power Pro 2000-MR
<<locked>>
96%
57029
89%
**74
99%
Alliant Reloder- TS 15.5
<<locked>>
97%
51619
81%
**97
99%
Alliant Reloder-10x
<<locked>>
88%
57290
90%
**77
100%
Alliant Reloder-15
<<locked>>
97%
56202
88%
**76
99%
Alliant Reloder-16
<<locked>>
97%
39581
62%
**36
95%
Alliant Reloder-17
<<locked>>
97%
45281
71%
**80
98%
Baschieri & Pellagri 106
<<locked>>
86%
57363
90%
**31
100%
Baschieri & Pellagri 107
<<locked>>
94%
56985
89%
**82
99%
Bofors RP3
<<locked>>
97%
51648
81%
**10
100%
[Bofors RP7]*
<<locked>>
97%
46688
73%
**69
93%
Hodgdon BL-C2 👍
<<locked>>
92%
57043
89%
**89
100%
Hodgdon Benchmark
<<locked>>
91%
57029
89%
**90
100%
Hodgdon CFE223
<<locked>>
97%
55506
87%
**95
99%
Hodgdon H322
<<locked>>
90%
57276
90%
**23
100%
Hodgdon H335
<<locked>>
85%
57392
90%
**40
100%
Hodgdon H380
<<locked>>
97%
53156
83%
**13
98%
[Hodgdon H414]*
<<locked>>
97%
47079
74%
**67
94%
Hodgdon H4198
<<locked>>
84%
56927
89%
**28
100%
Hodgdon H4895 👍
<<locked>>
94%
57014
89%
**66
100%
Hodgdon Hybrid 100V
<<locked>>
97%
36129
57%
**38
96%
Hodgdon LVR
<<locked>>
97%
43743
69%
**02
95%
Hodgdon VARGET
<<locked>>
97%
52199
82%
**74
99%
Hodgdon TrailBoss
<<locked>>
96%
32503
51%
**85
100%
IMR 3031
<<locked>>
97%
56246
88%
**59
100%
IMR 4064
<<locked>>
97%
51126
80%
**54
99%
IMR 4166 Enduron
<<locked>>
97%
51735
81%
**21
95%
IMR 4198
<<locked>>
87%
56985
89%
**28
100%
[IMR 4451 Enduron]*
<<locked>>
97%
49008
77%
**12
94%
[IMR 4831]*
<<locked>>
97%
33460
52%
**98
93%
IMR 4895 👍
<<locked>>
97%
56927
89%
**95
100%
IMR 8208 XBR
<<locked>>
92%
57319
90%
**36
100%
Lovex D073.4
<<locked>>
87%
57145
90%
**13
100%
Lovex D073.5
<<locked>>
88%
57276
90%
**20
100%
Lovex D073.6
<<locked>>
95%
57014
89%
**59
100%
Lovex S060
<<locked>>
94%
57188
90%
**94
99%
Lovex S062
<<locked>>
97%
54578
86%
**10
100%
Lovex S065
<<locked>>
97%
44077
69%
**39
95%
[Lovex S070]*
<<locked>>
97%
41872
66%
**16
93%
Norma 200
<<locked>>
84%
56826
89%
**51
100%
Norma 201
<<locked>>
95%
57116
89%
**30
100%
Norma 202
<<locked>>
94%
56782
89%
**26
100%
Norma 203B
<<locked>>
97%
55303
87%
**59
99%
Norma URP
<<locked>>
97%
39320
62%
**33
95%
Ramshot Big Game
<<locked>>
97%
55738
87%
**85
99%
[Ramshot Hunter]*
<<locked>>
97%
39088
61%
**10
92%
Ramshot TAC
<<locked>>
92%
56768
89%
**30
98%
Ramshot Wild Boar 👍
<<locked>>
93%
57232
90%
**72
100%
Ramshot X-Terminator
<<locked>>
90%
57188
90%
**13
99%
ReloadSwiss RS 14
<<locked>>
97%
32953
52%
**27
100%
ReloadSwiss RS 40
<<locked>>
88%
56913
89%
**23
100%
ReloadSwiss RS 50
<<locked>>
97%
54201
85%
**00
96%
ReloadSwiss RS 52
<<locked>>
95%
56971
89%
**48
99%
ReloadSwiss RS 60
<<locked>>
97%
48486
76%
**59
100%
[ReloadSwiss RS 62]*
<<locked>>
97%
38682
61%
**43
94%
[ReloadSwiss RS 70]*
<<locked>>
97%
40190
63%
**56
93%
Rottweil R 901
<<locked>>
92%
56956
89%
**07
100%
Rottweil R 902
<<locked>>
97%
57159
90%
**23
100%
Rottweil R 903
<<locked>>
97%
47703
75%
**44
99%
[Rottweil R 907]*
<<locked>>
97%
46688
73%
**69
93%
SNPE Vectan SP 10
<<locked>>
85%
57116
89%
**30
100%
SNPE Vectan SP 11
<<locked>>
97%
50299
79%
**10
99%
SNPE Vectan SP 7
<<locked>>
93%
56782
89%
**36
98%
SNPE Vectan SP 9
<<locked>>
95%
57232
90%
**62
100%
SNPE Vectan Tubal 3000
<<locked>>
93%
56855
89%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
52025
82%
**89
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
44164
69%
**00
93%
Shooters World Long Rifle
<<locked>>
97%
44077
69%
**39
95%
Shooters World Match Rifle
<<locked>>
95%
57014
89%
**59
100%
Shooters World Precision
<<locked>>
97%
54578
86%
**10
100%
Shooters World Tactical Rifle
<<locked>>
86%
57334
90%
**97
100%
Somchem S321
<<locked>>
89%
56826
89%
**49
100%
Somchem S335
<<locked>>
94%
57130
90%
**61
100%
Somchem S341
<<locked>>
93%
56840
89%
**43
99%
Somchem S355
<<locked>>
97%
48559
76%
**44
99%
Somchem S365
<<locked>>
97%
34780
54%
**74
97%
Vihtavuori N120
<<locked>>
85%
57392
90%
**69
100%
Vihtavuori N130
<<locked>>
90%
57319
90%
**31
100%
Vihtavuori N133
<<locked>>
96%
56623
89%
**41
100%
Vihtavuori N135
<<locked>>
97%
46949
74%
**72
100%
Vihtavuori N140
<<locked>>
97%
56681
89%
**00
100%
Vihtavuori N150
<<locked>>
97%
41133
64%
**93
99%
Vihtavuori N160
<<locked>>
97%
43743
69%
**72
96%
Vihtavuori N530
<<locked>>
91%
57348
90%
**49
100%
Vihtavuori N540
<<locked>>
97%
57159
90%
**40
100%
Vihtavuori N550
<<locked>>
97%
43555
68%
**08
96%
Winchester 6.5 StaBALL
<<locked>>
97%
42438
66%
**26
98%
Winchester 748
<<locked>>
90%
56927
89%
**79
100%
[Winchester 760]*
<<locked>>
97%
47079
74%
**67
94%
Winchester StaBALL Match
<<locked>>
88%
57406
90%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
37565
59%
**34
96%
[ADI AR 2208]*
<<locked>>
81%
32155
50%
**87
93%
ADI AR 2219
<<locked>>
81%
49908
78%
**25
100%
ADI Benchmark 8208
<<locked>>
81%
39610
62%
**51
98%
Accurate 2015
<<locked>>
81%
42728
67%
**61
100%
Accurate 2200
<<locked>>
81%
39827
62%
**38
95%
Accurate 2230
<<locked>>
81%
44730
70%
**30
98%
Accurate 2460
<<locked>>
81%
44715
70%
**39
99%
Accurate 2495
<<locked>>
81%
37014
58%
**34
100%
Accurate 2520
<<locked>>
81%
38072
60%
**61
99%
[Accurate 2700]*
<<locked>>
89%
39653
62%
**88
90%
Accurate 4064
<<locked>>
81%
30864
48%
**16
98%
[Accurate 4350]*
<<locked>>
88%
28282
44%
**90
90%
Alliant AR-Comp
<<locked>>
81%
38566
60%
**57
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
34040
53%
**28
93%
Alliant Reloder- TS 15.5
<<locked>>
81%
30748
48%
**00
95%
Alliant Reloder-10x
<<locked>>
81%
46688
73%
**30
100%
[Alliant Reloder-15]*
<<locked>>
81%
33301
52%
**59
94%
[Alliant Reloder-16]*
<<locked>>
88%
30530
48%
**13
90%
[Alliant Reloder-17]*
<<locked>>
81%
26934
42%
**31
90%
Baschieri & Pellagri 106
<<locked>>
81%
48936
77%
**20
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
36593
57%
**21
94%
[Bofors RP3]*
<<locked>>
81%
29849
47%
**93
94%
[Bofors RP7]*
<<locked>>
91%
38914
61%
**18
90%
Hodgdon BL-C2
<<locked>>
81%
38014
60%
**74
98%
Hodgdon Benchmark
<<locked>>
81%
41945
66%
**51
99%
[Hodgdon CFE223]*
<<locked>>
81%
31937
50%
**49
92%
Hodgdon H322
<<locked>>
81%
42293
66%
**03
100%
Hodgdon H335
<<locked>>
81%
48950
77%
**21
100%
[Hodgdon H380]*
<<locked>>
81%
31169
49%
**97
91%
[Hodgdon H414]*
<<locked>>
90%
37086
58%
**67
90%
Hodgdon H4198
<<locked>>
81%
51735
81%
**62
100%
Hodgdon H4895
<<locked>>
81%
37797
59%
**41
97%
[Hodgdon Hybrid 100V]*
<<locked>>
86%
25889
41%
**69
90%
[Hodgdon LVR]*
<<locked>>
87%
31357
49%
**26
90%
[Hodgdon VARGET]*
<<locked>>
81%
31836
50%
**80
93%
Hodgdon TrailBoss
<<locked>>
84%
27064
42%
**76
100%
IMR 3031
<<locked>>
81%
33533
53%
**85
100%
[IMR 4064]*
<<locked>>
81%
31386
49%
**64
93%
[IMR 4166 Enduron]*
<<locked>>
86%
36825
58%
**43
90%
IMR 4198
<<locked>>
81%
47688
75%
**03
100%
[IMR 4451 Enduron]*
<<locked>>
88%
36898
58%
**82
90%
[IMR 4831]*
<<locked>>
92%
28442
45%
**67
90%
IMR 4895
<<locked>>
81%
34098
53%
**88
95%
IMR 8208 XBR
<<locked>>
81%
39610
62%
**51
98%
Lovex D073.4
<<locked>>
81%
46775
73%
**59
100%
Lovex D073.5
<<locked>>
81%
44237
69%
**33
99%
Lovex D073.6
<<locked>>
81%
35592
56%
**15
99%
Lovex S060
<<locked>>
81%
38740
61%
**88
96%
Lovex S062
<<locked>>
81%
33141
52%
**26
96%
[Lovex S065]*
<<locked>>
87%
32068
50%
**90
90%
[Lovex S070]*
<<locked>>
92%
35491
56%
**85
90%
Norma 200
<<locked>>
81%
52707
83%
**92
100%
Norma 201
<<locked>>
81%
36869
58%
**92
97%
Norma 202
<<locked>>
81%
36796
58%
**08
99%
[Norma 203B]*
<<locked>>
81%
32808
51%
**49
94%
[Norma URP]*
<<locked>>
88%
29341
46%
**87
90%
[Ramshot Big Game]*
<<locked>>
81%
32401
51%
**49
94%
[Ramshot Hunter]*
<<locked>>
93%
34838
55%
**18
90%
[Ramshot TAC]*
<<locked>>
81%
39726
62%
**44
94%
Ramshot Wild Boar
<<locked>>
81%
38493
60%
**57
96%
Ramshot X-Terminator
<<locked>>
81%
43337
68%
**00
97%
ReloadSwiss RS 14
<<locked>>
81%
25991
41%
**86
100%
ReloadSwiss RS 40
<<locked>>
81%
44846
70%
**36
100%
[ReloadSwiss RS 50]*
<<locked>>
83%
34621
54%
**46
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
34330
54%
**41
94%
ReloadSwiss RS 60
<<locked>>
81%
28703
45%
**06
95%
[ReloadSwiss RS 62]*
<<locked>>
90%
30269
47%
**39
90%
[ReloadSwiss RS 70]*
<<locked>>
92%
34360
54%
**15
90%
Rottweil R 901
<<locked>>
81%
40509
63%
**48
99%
Rottweil R 902
<<locked>>
81%
34809
55%
**43
97%
[Rottweil R 903]*
<<locked>>
81%
28021
44%
**38
93%
[Rottweil R 907]*
<<locked>>
91%
38914
61%
**18
90%
SNPE Vectan SP 10
<<locked>>
81%
50082
78%
**31
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
29588
46%
**83
92%
[SNPE Vectan SP 7]*
<<locked>>
81%
37478
59%
**08
94%
SNPE Vectan SP 9
<<locked>>
81%
36187
57%
**02
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
38783
61%
**69
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
31589
49%
**34
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
90%
35259
55%
**36
90%
[Shooters World Long Rifle]*
<<locked>>
87%
32068
50%
**90
90%
Shooters World Match Rifle
<<locked>>
81%
35592
56%
**15
99%
Shooters World Precision
<<locked>>
81%
33141
52%
**26
96%
Shooters World Tactical Rifle
<<locked>>
81%
47485
74%
**52
99%
Somchem S321
<<locked>>
81%
42453
67%
**26
99%
Somchem S335
<<locked>>
81%
38116
60%
**75
100%
Somchem S341
<<locked>>
81%
37173
58%
**15
96%
[Somchem S355]*
<<locked>>
81%
29283
46%
**54
93%
[Somchem S365]*
<<locked>>
85%
23656
37%
**42
90%
Vihtavuori N120
<<locked>>
81%
50865
80%
**87
100%
Vihtavuori N130
<<locked>>
81%
43265
68%
**38
100%
Vihtavuori N133
<<locked>>
81%
36172
57%
**29
100%
Vihtavuori N135
<<locked>>
81%
28456
45%
**24
99%
Vihtavuori N140
<<locked>>
81%
34476
54%
**46
99%
[Vihtavuori N150]*
<<locked>>
81%
24787
39%
**13
93%
[Vihtavuori N160]*
<<locked>>
85%
29704
47%
**64
90%
Vihtavuori N530
<<locked>>
81%
41916
66%
**03
99%
Vihtavuori N540
<<locked>>
81%
34069
53%
**56
99%
[Vihtavuori N550]*
<<locked>>
85%
29211
46%
**90
90%
[Winchester 6.5 StaBALL]*
<<locked>>
82%
25918
41%
**29
90%
Winchester 748
<<locked>>
81%
41553
65%
**39
99%
[Winchester 760]*
<<locked>>
90%
37086
58%
**67
90%
Winchester StaBALL Match
<<locked>>
81%
44353
69%
**79
98%

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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