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Load data for .375 Hoelderlin + .375 | 300gr | A-Square DeadTough

Recommended Powder(s):

.375 Hoelderlin + .375 | 300gr | A-Square DeadTough

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | A-Square DeadTough
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.375 Hoelderlin load data
Case Length (l3):
2.657" | 67.5mm
Cartridge Length (C.O.L.):
3.374" | 85.7mm
Seated Depth:
0.283" | 7.2mm
Shank Seated Depth:
0.283" | 7.2mm
Case Capacity:
88.0 Grains of Water | 5.71 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B391_C546
Last updated:
2026-01-20

Load data for 166 loads in caliber .375 Hoelderlin with .375 | 300gr | A-Square DeadTough bullet and 83 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
84%
90%
100%
ADI AR 2208
90%
89%
99%
ADI AR 2209
97%
76%
92%
Accurate 2495
83%
89%
100%
Accurate 2700
91%
90%
96%
Accurate 3100
97%
62%
94%
Accurate 4064
89%
90%
100%
Accurate 4350
97%
88%
99%
Alliant Power Pro 2000-MR
87%
89%
99%
Alliant Reloder- TS 15.5
90%
89%
100%
Alliant Reloder-15
87%
89%
99%
Alliant Reloder-16
97%
86%
99%
Alliant Reloder-17
94%
89%
100%
Alliant Reloder-19
97%
75%
92%
Alliant Reloder-23
97%
61%
97%
Alliant Reloder-26
97%
66%
96%
Baschieri & Pellagri 107
84%
89%
99%
Bofors RP3
90%
89%
100%
Bofors RP7
93%
89%
96%
Hodgdon CFE223
88%
90%
99%
Hodgdon H380
89%
90%
99%
Hodgdon H414
93%
90%
97%
Hodgdon H4350
97%
83%
95%
Hodgdon Hybrid 100V
97%
80%
99%
Hodgdon LVR
95%
89%
99%
Hodgdon Superperformance
95%
89%
96%
Hodgdon VARGET
90%
90%
99%
IMR 3031
87%
89%
100%
IMR 4064
90%
89%
100%
IMR 4166 Enduron
91%
90%
97%
IMR 4350
97%
88%
96%
IMR 4451 Enduron
92%
89%
97%
IMR 4831
97%
74%
98%
IMR 4895
87%
89%
100%
Lovex D073.6
85%
89%
100%
Lovex S060
84%
90%
100%
Lovex S062
88%
90%
100%
Lovex S065
95%
89%
98%
Lovex S070
96%
89%
97%
Norma 201
85%
89%
100%
Norma 202
85%
90%
100%
Norma 203B
88%
89%
100%
Norma 204
97%
88%
94%
Norma MRP
97%
67%
93%
Norma URP
97%
87%
99%
Ramshot Big Game
88%
90%
100%
Ramshot Hunter
97%
85%
97%
Ramshot Wild Boar
83%
90%
100%
ReloadSwiss RS 50
89%
89%
97%
ReloadSwiss RS 52
85%
89%
99%
ReloadSwiss RS 60
92%
89%
100%
ReloadSwiss RS 62
97%
87%
99%
ReloadSwiss RS 70
97%
87%
98%
Rottweil R 902
87%
90%
100%
Rottweil R 903
92%
90%
100%
Rottweil R 904
97%
78%
92%
Rottweil R 905
97%
71%
92%
Rottweil R 907
93%
89%
96%
SNPE Vectan SP 11
91%
90%
100%
SNPE Vectan SP 7
84%
89%
99%
SNPE Vectan SP 9
85%
90%
100%
SNPE Vectan Tubal 3000
84%
89%
100%
SNPE Vectan Tubal 5000
90%
90%
100%
SNPE Vectan Tubal 7000
95%
89%
97%
Shooters World Long Rifle
95%
89%
98%
Shooters World Match Rifle
85%
89%
100%
Shooters World Precision
88%
90%
100%
Somchem S335
84%
89%
100%
Somchem S341
84%
90%
100%
Somchem S355
91%
89%
100%
Somchem S365
97%
77%
100%
Somchem S385
97%
72%
93%
Vihtavuori N133
86%
90%
100%
Vihtavuori N135
92%
89%
100%
Vihtavuori N140
87%
90%
100%
Vihtavuori N150
97%
89%
100%
Vihtavuori N160
95%
89%
99%
Vihtavuori N540
87%
89%
100%
Vihtavuori N550
95%
90%
99%
Vihtavuori N555
97%
65%
97%
Winchester 6.5 StaBALL
96%
90%
100%
Winchester 760
93%
90%
97%
Winchester StaBALL HD
97%
54%
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44686
81%
**26
99%
ADI AR 2208
<<locked>>
81%
37855
69%
**95
97%
[ADI AR 2209]*
<<locked>>
93%
37376
68%
**38
90%
Accurate 2495
<<locked>>
81%
45716
83%
**20
100%
[Accurate 2700]*
<<locked>>
81%
36071
65%
**13
92%
[Accurate 3100]*
<<locked>>
90%
27340
50%
**41
90%
Accurate 4064
<<locked>>
81%
38508
70%
**28
100%
[Accurate 4350]*
<<locked>>
81%
28021
51%
**67
93%
Alliant Power Pro 2000-MR
<<locked>>
81%
40335
73%
**52
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
37202
68%
**18
99%
Alliant Reloder-15
<<locked>>
81%
40248
73%
**70
98%
[Alliant Reloder-16]*
<<locked>>
81%
29080
53%
**73
93%
Alliant Reloder-17
<<locked>>
81%
32285
59%
**88
97%
[Alliant Reloder-19]*
<<locked>>
92%
35781
65%
**15
90%
[Alliant Reloder-23]*
<<locked>>
84%
22902
42%
**23
90%
[Alliant Reloder-26]*
<<locked>>
88%
27427
50%
**00
90%
Baschieri & Pellagri 107
<<locked>>
81%
43540
79%
**33
98%
Bofors RP3
<<locked>>
81%
36970
67%
**21
99%
[Bofors RP7]*
<<locked>>
81%
33634
61%
**96
91%
Hodgdon CFE223
<<locked>>
81%
38450
70%
**77
97%
Hodgdon H380
<<locked>>
81%
37840
69%
**18
96%
[Hodgdon H414]*
<<locked>>
81%
33185
60%
**69
92%
[Hodgdon H4350]*
<<locked>>
85%
32198
58%
**90
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26614
48%
**95
94%
[Hodgdon LVR]*
<<locked>>
81%
31401
57%
**23
93%
[Hodgdon Superperformance]*
<<locked>>
84%
33330
60%
**78
90%
Hodgdon VARGET
<<locked>>
81%
37710
68%
**92
97%
IMR 3031
<<locked>>
81%
40654
74%
**67
100%
IMR 4064
<<locked>>
81%
37275
68%
**75
98%
[IMR 4166 Enduron]*
<<locked>>
81%
37144
67%
**46
93%
[IMR 4350]*
<<locked>>
83%
32082
58%
**90
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35201
64%
**29
92%
[IMR 4831]*
<<locked>>
81%
24990
45%
**65
91%
IMR 4895
<<locked>>
81%
41292
75%
**97
99%
Lovex D073.6
<<locked>>
81%
43279
79%
**03
100%
Lovex S060
<<locked>>
81%
44701
81%
**74
99%
Lovex S062
<<locked>>
81%
39581
72%
**31
99%
[Lovex S065]*
<<locked>>
81%
32503
59%
**87
93%
[Lovex S070]*
<<locked>>
81%
30676
56%
**64
91%
Norma 201
<<locked>>
81%
43671
79%
**83
100%
Norma 202
<<locked>>
81%
43961
80%
**90
100%
Norma 203B
<<locked>>
81%
39755
72%
**64
99%
[Norma 204]*
<<locked>>
88%
36680
67%
**15
90%
[Norma MRP]*
<<locked>>
93%
32706
59%
**11
90%
[Norma URP]*
<<locked>>
81%
28718
52%
**67
93%
Ramshot Big Game
<<locked>>
81%
38870
71%
**70
98%
[Ramshot Hunter]*
<<locked>>
81%
28631
52%
**60
90%
Ramshot Wild Boar
<<locked>>
81%
45934
83%
**62
99%
ReloadSwiss RS 50
<<locked>>
81%
38363
70%
**05
95%
ReloadSwiss RS 52
<<locked>>
81%
41858
76%
**59
99%
ReloadSwiss RS 60
<<locked>>
81%
34360
62%
**51
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
27891
51%
**73
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
28558
52%
**70
90%
Rottweil R 902
<<locked>>
81%
41713
76%
**44
100%
Rottweil R 903
<<locked>>
81%
34679
63%
**69
98%
[Rottweil R 904]*
<<locked>>
94%
39987
73%
**51
90%
[Rottweil R 905]*
<<locked>>
93%
34911
63%
**08
90%
[Rottweil R 907]*
<<locked>>
81%
33634
61%
**96
91%
SNPE Vectan SP 11
<<locked>>
81%
35737
65%
**15
97%
SNPE Vectan SP 7
<<locked>>
81%
44947
82%
**23
98%
SNPE Vectan SP 9
<<locked>>
81%
42830
78%
**97
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45237
82%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37666
68%
**29
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31256
57%
**34
91%
[Shooters World Long Rifle]*
<<locked>>
81%
32503
59%
**87
93%
Shooters World Match Rifle
<<locked>>
81%
43279
79%
**03
100%
Shooters World Precision
<<locked>>
81%
39581
72%
**31
99%
Somchem S335
<<locked>>
81%
44585
81%
**41
100%
Somchem S341
<<locked>>
81%
44440
81%
**16
99%
Somchem S355
<<locked>>
81%
35607
65%
**78
98%
Somchem S365
<<locked>>
81%
25643
47%
**21
95%
[Somchem S385]*
<<locked>>
90%
31995
58%
**26
90%
Vihtavuori N133
<<locked>>
81%
42612
77%
**95
100%
Vihtavuori N135
<<locked>>
81%
34650
63%
**23
100%
Vihtavuori N140
<<locked>>
81%
40988
74%
**28
100%
Vihtavuori N150
<<locked>>
81%
30429
55%
**54
98%
[Vihtavuori N160]*
<<locked>>
81%
31444
57%
**06
94%
Vihtavuori N540
<<locked>>
81%
40611
74%
**47
100%
[Vihtavuori N550]*
<<locked>>
81%
31575
57%
**36
94%
[Vihtavuori N555]*
<<locked>>
83%
23148
42%
**55
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30066
55%
**57
96%
[Winchester 760]*
<<locked>>
81%
33185
60%
**69
92%
[Winchester StaBALL HD]*
<<locked>>
90%
24076
44%
**01
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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