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Load data for .375 Swiss P + .375 | 250gr | Hornady GMX

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550

.375 Swiss P + .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 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.667" | 16.9mm
Shank Seated Depth:
0.447" | 11.4mm
Case Capacity:
125.0 Grains of Water | 8.12 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B2806_C569
Last updated:
2025-02-02
Recommended Twist Rate:
1:14 - 1:12

Load data for 174 loads in caliber .375 Swiss P with .375 | 250gr | Hornady GMX bullet and 87 powders such as Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, 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".

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  • 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
83%
90%
100%
ADI AR 2208
89%
90%
100%
ADI AR 2209
97%
80%
95%
Accurate 2700
89%
90%
97%
Accurate 3100
97%
69%
97%
Accurate 4064
87%
90%
100%
Accurate 4350
95%
89%
100%
Alliant Reloder- TS 15.5
88%
89%
100%
Alliant Reloder-15
86%
89%
100%
Alliant Reloder-16
96%
89%
100%
Alliant Reloder-17
92%
90%
100%
Alliant Reloder-19
97%
79%
95%
Alliant Reloder-22
97%
70%
94%
Alliant Reloder-23
97%
66%
99%
Alliant Reloder-25
97%
58%
94%
Alliant Reloder-26
97%
73%
99%
Baschieri & Pellagri 107
83%
90%
100%
Hodgdon CFE223
86%
90%
100%
Hodgdon H380
87%
89%
100%
Hodgdon H414
91%
90%
98%
Hodgdon H4350
97%
88%
97%
Hodgdon H4831 SC
97%
76%
92%
Hodgdon Hybrid 100V
97%
85%
100%
Hodgdon LVR
93%
89%
99%
Hodgdon Superperformance
93%
90%
98%
Hodgdon VARGET
89%
90%
100%
Hodgdon TrailBoss
97%
57%
100%
IMR 3031
85%
89%
100%
IMR 4064
89%
90%
100%
IMR 4166 Enduron
90%
89%
98%
IMR 4350
96%
90%
98%
IMR 4451 Enduron
91%
89%
98%
IMR 4831
97%
80%
99%
IMR 4895
85%
90%
100%
IMR 4955 Enduron
97%
75%
92%
IMR 7828 SSC
97%
73%
92%
Lovex D073.6
83%
90%
100%
Lovex S060
84%
90%
100%
Lovex S062
87%
90%
100%
Lovex S065
93%
89%
99%
Lovex S070
95%
89%
98%
Lovex S071
97%
57%
94%
Norma 201
84%
89%
100%
Norma 202
83%
90%
100%
Norma 203B
87%
90%
100%
Norma 204
95%
89%
96%
Norma MRP
97%
73%
96%
Norma URP
95%
89%
100%
Ramshot Big Game
86%
89%
100%
Ramshot Hunter
96%
89%
99%
Ramshot Magnum
97%
67%
93%
ReloadSwiss RS 14
97%
57%
100%
ReloadSwiss RS 50
87%
89%
99%
ReloadSwiss RS 52
86%
89%
100%
ReloadSwiss RS 60
93%
89%
100%
ReloadSwiss RS 62
95%
89%
100%
ReloadSwiss RS 70
96%
90%
100%
Rottweil R 902
86%
90%
100%
Rottweil R 903
90%
89%
100%
Rottweil R 904
97%
83%
94%
Rottweil R 905
97%
77%
95%
Rottweil R 907
92%
90%
98%
SNPE Vectan SP 11
89%
89%
100%
SNPE Vectan SP 9
84%
90%
100%
SNPE Vectan Tubal 3000
83%
90%
100%
SNPE Vectan Tubal 5000
89%
90%
100%
SNPE Vectan Tubal 7000
93%
89%
98%
Shooters World Long Rifle
93%
89%
99%
Shooters World Match Rifle
83%
90%
100%
Shooters World Precision
87%
90%
100%
Somchem S335
83%
90%
100%
Somchem S355
90%
90%
100%
Somchem S361
97%
86%
94%
Somchem S365
97%
85%
100%
Somchem S385
97%
79%
96%
Vihtavuori N133
85%
90%
100%
Vihtavuori N135
91%
89%
100%
Vihtavuori N140
86%
89%
100%
Vihtavuori N150
95%
89%
100%
Vihtavuori N160
93%
90%
100%
Vihtavuori N165
97%
65%
93%
Vihtavuori N540
86%
90%
100%
Vihtavuori N550
93%
90%
100%
Vihtavuori N555
97%
73%
99%
Winchester 6.5 StaBALL
94%
90%
100%
Winchester 760
91%
90%
98%
Winchester StaBALL HD
97%
59%
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50952
84%
**92
100%
ADI AR 2208
<<locked>>
81%
43236
71%
**44
99%
[ADI AR 2209]*
<<locked>>
87%
35839
59%
**36
90%
[Accurate 2700]*
<<locked>>
81%
41553
68%
**52
94%
[Accurate 3100]*
<<locked>>
84%
27688
45%
**26
90%
Accurate 4064
<<locked>>
81%
45281
74%
**77
100%
Accurate 4350
<<locked>>
81%
33924
56%
**10
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
43294
71%
**71
100%
Alliant Reloder-15
<<locked>>
81%
46485
76%
**36
99%
Alliant Reloder-16
<<locked>>
81%
33707
55%
**16
96%
Alliant Reloder-17
<<locked>>
81%
37797
62%
**51
99%
[Alliant Reloder-19]*
<<locked>>
87%
35041
58%
**26
90%
[Alliant Reloder-22]*
<<locked>>
91%
35259
58%
**72
90%
[Alliant Reloder-23]*
<<locked>>
81%
24366
40%
**54
92%
[Alliant Reloder-25]*
<<locked>>
91%
29312
48%
**15
90%
[Alliant Reloder-26]*
<<locked>>
82%
27166
45%
**98
90%
Baschieri & Pellagri 107
<<locked>>
81%
50488
83%
**05
100%
Hodgdon CFE223
<<locked>>
81%
45252
74%
**43
99%
Hodgdon H380
<<locked>>
81%
43932
72%
**84
98%
[Hodgdon H414]*
<<locked>>
81%
39175
64%
**28
94%
[Hodgdon H4350]*
<<locked>>
81%
32677
54%
**15
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
41916
69%
**51
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31009
51%
**21
97%
Hodgdon LVR
<<locked>>
81%
36811
60%
**69
96%
[Hodgdon Superperformance]*
<<locked>>
81%
35143
58%
**52
92%
Hodgdon VARGET
<<locked>>
81%
43033
71%
**35
99%
Hodgdon TrailBoss
<<locked>>
86%
29762
49%
**40
100%
IMR 3031
<<locked>>
81%
47413
78%
**23
100%
IMR 4064
<<locked>>
81%
42583
70%
**18
99%
IMR 4166 Enduron
<<locked>>
81%
42090
69%
**89
95%
[IMR 4350]*
<<locked>>
81%
34360
56%
**57
92%
IMR 4451 Enduron
<<locked>>
81%
40234
66%
**75
95%
[IMR 4831]*
<<locked>>
81%
29631
49%
**85
94%
IMR 4895
<<locked>>
81%
47587
78%
**59
100%
[IMR 4955 Enduron]*
<<locked>>
92%
40016
66%
**79
90%
[IMR 7828 SSC]*
<<locked>>
94%
40553
67%
**74
90%
Lovex D073.6
<<locked>>
81%
51039
84%
**76
100%
Lovex S060
<<locked>>
81%
50560
83%
**30
100%
Lovex S062
<<locked>>
81%
45759
75%
**84
100%
Lovex S065
<<locked>>
81%
37478
62%
**16
95%
[Lovex S070]*
<<locked>>
81%
35723
59%
**97
93%
[Lovex S071]*
<<locked>>
89%
27499
45%
**23
90%
Norma 201
<<locked>>
81%
49893
82%
**40
100%
Norma 202
<<locked>>
81%
50386
83%
**43
100%
Norma 203B
<<locked>>
81%
45847
75%
**23
100%
[Norma 204]*
<<locked>>
83%
35534
58%
**20
90%
[Norma MRP]*
<<locked>>
87%
31966
52%
**07
90%
Norma URP
<<locked>>
81%
33939
56%
**10
96%
Ramshot Big Game
<<locked>>
81%
45803
75%
**36
99%
[Ramshot Hunter]*
<<locked>>
81%
33112
54%
**90
93%
[Ramshot Magnum]*
<<locked>>
92%
34548
57%
**26
90%
ReloadSwiss RS 14
<<locked>>
83%
28674
47%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
44382
73%
**64
97%
ReloadSwiss RS 52
<<locked>>
81%
45092
74%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
36666
60%
**38
99%
ReloadSwiss RS 62
<<locked>>
81%
33475
55%
**23
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33344
55%
**23
94%
Rottweil R 902
<<locked>>
81%
47529
78%
**94
100%
Rottweil R 903
<<locked>>
81%
40814
67%
**15
99%
[Rottweil R 904]*
<<locked>>
88%
38334
63%
**52
90%
[Rottweil R 905]*
<<locked>>
87%
34011
56%
**10
90%
[Rottweil R 907]*
<<locked>>
81%
38682
64%
**36
94%
SNPE Vectan SP 11
<<locked>>
81%
41872
69%
**74
99%
SNPE Vectan SP 9
<<locked>>
81%
49559
81%
**62
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50879
84%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42670
70%
**49
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36811
60%
**64
94%
Shooters World Long Rifle
<<locked>>
81%
37478
62%
**16
95%
Shooters World Match Rifle
<<locked>>
81%
51039
84%
**76
100%
Shooters World Precision
<<locked>>
81%
45759
75%
**84
100%
Somchem S335
<<locked>>
81%
50560
83%
**84
100%
Somchem S355
<<locked>>
81%
41321
68%
**25
99%
[Somchem S361]*
<<locked>>
89%
40741
67%
**79
90%
Somchem S365
<<locked>>
81%
30487
50%
**64
98%
[Somchem S385]*
<<locked>>
84%
31444
52%
**21
90%
Vihtavuori N133
<<locked>>
81%
48269
79%
**25
100%
Vihtavuori N135
<<locked>>
81%
40350
66%
**46
100%
Vihtavuori N140
<<locked>>
81%
47326
78%
**71
100%
Vihtavuori N150
<<locked>>
81%
35331
58%
**70
99%
Vihtavuori N160
<<locked>>
81%
36811
60%
**43
97%
[Vihtavuori N165]*
<<locked>>
91%
33286
55%
**54
90%
Vihtavuori N540
<<locked>>
81%
46775
77%
**90
100%
Vihtavuori N550
<<locked>>
81%
37333
61%
**82
97%
[Vihtavuori N555]*
<<locked>>
81%
26310
43%
**43
93%
Winchester 6.5 StaBALL
<<locked>>
81%
34954
57%
**90
98%
[Winchester 760]*
<<locked>>
81%
39175
64%
**28
94%
[Winchester StaBALL HD]*
<<locked>>
84%
23714
39%
**83
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.

<<locked>>... you need to buy an access license to unlock the data

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