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Load data for .375 R Hoelderlin + .375 | 250gr | Hornady GMX

Recommended Powder(s):

.375 R Hoelderlin + .375 | 250gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 250gr | Hornady GMX
Manufacturer SKU:
o_3708
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.375 R Hoelderlin load data
Case Length (l3):
2.657" | 67.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
88.0 Grains of Water | 5.71 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
52214 psi | 3600 bar
LID:
LID_B2806_C554
Last updated:
2026-01-20
Recommended Twist Rate:
1:14 - 1:12

Load data for 146 loads in caliber .375 R Hoelderlin with .375 | 250gr | Hornady GMX bullet and 73 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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  • 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
93%
90%
97%
ADI AR 2208
97%
85%
95%
ADI AR 2219
84%
89%
100%
Accurate 2015
89%
89%
100%
Accurate 2200
90%
89%
95%
Accurate 2230
87%
89%
97%
Accurate 2460
87%
89%
99%
Accurate 2495
94%
89%
100%
Accurate 2520
93%
90%
99%
Accurate 4064
96%
80%
99%
Alliant AR-Comp
93%
89%
100%
Alliant Power Pro 2000-MR
96%
90%
95%
Alliant Reloder- TS 15.5
97%
82%
97%
Alliant Reloder-10x
86%
89%
100%
Alliant Reloder-15
97%
88%
96%
Alliant Reloder-17
97%
72%
93%
Baschieri & Pellagri 106
84%
89%
100%
Baschieri & Pellagri 107
94%
90%
95%
Bofors RP3
97%
79%
97%
Hodgdon BL-C2
93%
90%
98%
Hodgdon Benchmark
89%
89%
98%
Hodgdon CFE223
97%
88%
95%
Hodgdon H322
89%
89%
100%
Hodgdon H335
85%
89%
100%
Hodgdon H380
97%
85%
94%
Hodgdon VARGET
97%
84%
95%
IMR 3031
97%
87%
100%
IMR 4064
97%
82%
95%
IMR 4198
85%
90%
100%
IMR 4895
96%
89%
97%
IMR 8208 XBR
91%
89%
98%
Lovex D073.4
86%
90%
99%
Lovex D073.5
88%
89%
99%
Lovex D073.6
95%
90%
99%
Lovex S060
92%
89%
97%
Lovex S062
97%
87%
98%
Norma 201
94%
90%
98%
Norma 202
94%
89%
100%
Norma 203B
97%
87%
96%
Ramshot Big Game
97%
87%
96%
Ramshot TAC
91%
90%
93%
Ramshot Wild Boar
92%
89%
97%
Ramshot X-Terminator
88%
90%
96%
ReloadSwiss RS 40
87%
90%
99%
ReloadSwiss RS 50
97%
86%
92%
ReloadSwiss RS 52
96%
90%
96%
ReloadSwiss RS 60
97%
77%
97%
Rottweil R 901
91%
90%
99%
Rottweil R 902
96%
89%
98%
Rottweil R 903
97%
75%
96%
SNPE Vectan SP 10
84%
90%
100%
SNPE Vectan SP 11
97%
79%
95%
SNPE Vectan SP 7
93%
90%
94%
SNPE Vectan SP 9
94%
88%
96%
SNPE Vectan Tubal 3000
92%
89%
99%
SNPE Vectan Tubal 5000
97%
84%
100%
Shooters World Match Rifle
95%
90%
99%
Shooters World Precision
97%
87%
98%
Shooters World Tactical Rifle
85%
90%
98%
Somchem S321
89%
89%
98%
Somchem S335
93%
89%
100%
Somchem S341
93%
89%
96%
Somchem S355
96%
76%
96%
Vihtavuori N130
88%
89%
100%
Vihtavuori N133
95%
90%
100%
Vihtavuori N135
97%
73%
100%
Vihtavuori N140
96%
89%
100%
Vihtavuori N150
97%
65%
95%
Vihtavuori N530
90%
90%
98%
Vihtavuori N540
96%
88%
99%
Winchester 6.5 StaBALL
97%
69%
93%
Winchester 748
90%
89%
99%
Winchester StaBALL Match
88%
89%
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
32039
61%
**98
92%
[ADI AR 2208]*
<<locked>>
85%
31343
60%
**59
90%
ADI AR 2219
<<locked>>
81%
42061
81%
**98
100%
Accurate 2015
<<locked>>
81%
36201
69%
**51
100%
[Accurate 2200]*
<<locked>>
81%
34142
65%
**01
90%
Accurate 2230
<<locked>>
81%
37782
72%
**90
95%
Accurate 2460
<<locked>>
81%
37724
72%
**03
97%
Accurate 2495
<<locked>>
81%
30516
58%
**15
99%
Accurate 2520
<<locked>>
81%
31401
60%
**24
96%
Accurate 4064
<<locked>>
81%
25701
49%
**93
95%
Alliant AR-Comp
<<locked>>
81%
32155
62%
**47
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
87%
35520
68%
**26
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
26760
51%
**96
90%
Alliant Reloder-10x
<<locked>>
81%
39929
76%
**23
100%
[Alliant Reloder-15]*
<<locked>>
83%
30560
59%
**88
90%
[Alliant Reloder-17]*
<<locked>>
91%
31546
60%
**44
90%
Baschieri & Pellagri 106
<<locked>>
81%
42525
81%
**13
100%
[Baschieri & Pellagri 107]*
<<locked>>
83%
33272
64%
**31
90%
[Bofors RP3]*
<<locked>>
83%
26382
51%
**06
90%
[Hodgdon BL-C2]*
<<locked>>
81%
31386
60%
**28
93%
Hodgdon Benchmark
<<locked>>
81%
36274
69%
**31
96%
[Hodgdon CFE223]*
<<locked>>
88%
34127
65%
**80
90%
Hodgdon H322
<<locked>>
81%
35723
68%
**80
99%
Hodgdon H335
<<locked>>
81%
41060
79%
**88
99%
[Hodgdon H380]*
<<locked>>
89%
34403
66%
**64
90%
[Hodgdon VARGET]*
<<locked>>
86%
31618
61%
**69
90%
IMR 3031
<<locked>>
81%
28094
54%
**62
97%
[IMR 4064]*
<<locked>>
85%
30676
59%
**42
90%
IMR 4198
<<locked>>
81%
41089
79%
**03
100%
[IMR 4895]*
<<locked>>
81%
28761
55%
**56
90%
[IMR 8208 XBR]*
<<locked>>
81%
33982
65%
**24
94%
Lovex D073.4
<<locked>>
81%
39160
75%
**16
97%
Lovex D073.5
<<locked>>
81%
37173
71%
**93
97%
Lovex D073.6
<<locked>>
81%
29443
56%
**75
95%
[Lovex S060]*
<<locked>>
81%
33779
65%
**69
93%
[Lovex S062]*
<<locked>>
81%
28195
54%
**06
92%
[Norma 201]*
<<locked>>
81%
31401
60%
**65
93%
Norma 202
<<locked>>
81%
31009
59%
**88
96%
[Norma 203B]*
<<locked>>
82%
28979
56%
**49
90%
[Ramshot Big Game]*
<<locked>>
85%
31140
60%
**01
90%
[Ramshot TAC]*
<<locked>>
84%
37304
71%
**74
90%
[Ramshot Wild Boar]*
<<locked>>
81%
32634
63%
**24
92%
[Ramshot X-Terminator]*
<<locked>>
81%
37188
71%
**67
94%
ReloadSwiss RS 40
<<locked>>
81%
37956
73%
**03
97%
[ReloadSwiss RS 50]*
<<locked>>
94%
40930
78%
**52
90%
[ReloadSwiss RS 52]*
<<locked>>
84%
32039
61%
**67
90%
[ReloadSwiss RS 60]*
<<locked>>
84%
27079
52%
**23
90%
Rottweil R 901
<<locked>>
81%
34867
67%
**28
97%
[Rottweil R 902]*
<<locked>>
81%
29863
57%
**23
93%
[Rottweil R 903]*
<<locked>>
86%
27021
52%
**16
90%
SNPE Vectan SP 10
<<locked>>
81%
42496
81%
**02
99%
[SNPE Vectan SP 11]*
<<locked>>
87%
31009
59%
**08
90%
[SNPE Vectan SP 7]*
<<locked>>
84%
34954
67%
**47
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
30835
59%
**69
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
33518
64%
**56
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
27137
52%
**34
96%
Shooters World Match Rifle
<<locked>>
81%
29443
56%
**75
95%
[Shooters World Precision]*
<<locked>>
81%
28195
54%
**06
92%
Shooters World Tactical Rifle
<<locked>>
81%
40480
78%
**20
96%
Somchem S321
<<locked>>
81%
35926
69%
**90
96%
Somchem S335
<<locked>>
81%
32605
62%
**59
98%
[Somchem S341]*
<<locked>>
81%
31517
60%
**75
91%
[Somchem S355]*
<<locked>>
85%
27630
53%
**13
90%
Vihtavuori N130
<<locked>>
81%
37086
71%
**34
100%
Vihtavuori N133
<<locked>>
81%
30995
59%
**23
99%
Vihtavuori N135
<<locked>>
81%
23815
46%
**08
96%
Vihtavuori N140
<<locked>>
81%
29066
56%
**26
96%
[Vihtavuori N150]*
<<locked>>
86%
24598
47%
**14
90%
Vihtavuori N530
<<locked>>
81%
35418
68%
**67
95%
Vihtavuori N540
<<locked>>
81%
28616
55%
**33
95%
[Winchester 6.5 StaBALL]*
<<locked>>
92%
30995
59%
**42
90%
Winchester 748
<<locked>>
81%
34969
67%
**00
96%
[Winchester StaBALL Match]*
<<locked>>
81%
36695
70%
**23
94%

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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