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Load data for .375 Hoelderlin + .375 | 300gr | Hornady BTSP

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

.375 Hoelderlin + .375 | 300gr | Hornady BTSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Hornady BTSP
Manufacturer SKU:
3725
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.427" | 36.2mm
Caliber:
.375 Hoelderlin load data
Case Length (l3):
2.657" | 67.5mm
Cartridge Length (C.O.L.):
3.374" | 85.7mm
Seated Depth:
0.710" | 18.0mm
Shank Seated Depth:
0.490" | 12.5mm
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_B2809_C546
Last updated:
2025-01-01
Recommended Twist Rate:
1:17 - 1:14

Load data for 178 loads in caliber .375 Hoelderlin with .375 | 300gr | Hornady BTSP bullet and 89 powders such as Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, 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".

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    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.

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
89%
90%
99%
ADI AR 2208
94%
89%
99%
Accurate 2015
84%
89%
100%
Accurate 2200
87%
89%
98%
Accurate 2460
83%
90%
100%
Accurate 2495
88%
89%
100%
Accurate 2520
87%
89%
100%
Accurate 2700
95%
90%
94%
Accurate 4064
94%
89%
100%
Accurate 4350
97%
72%
97%
Alliant AR-Comp
88%
90%
100%
Alliant Reloder- TS 15.5
95%
89%
100%
Alliant Reloder-15
92%
90%
99%
Alliant Reloder-16
97%
74%
97%
Alliant Reloder-17
97%
84%
99%
Alliant Reloder-23
97%
52%
93%
Baschieri & Pellagri 107
89%
89%
98%
Hodgdon BL-C2
88%
90%
100%
Hodgdon Benchmark
85%
89%
100%
Hodgdon CFE223
93%
89%
98%
Hodgdon H322
85%
89%
100%
Hodgdon H380
94%
90%
98%
Hodgdon H414
97%
88%
95%
Hodgdon H4350
97%
72%
92%
Hodgdon Hybrid 100V
97%
67%
97%
Hodgdon LVR
97%
81%
97%
Hodgdon Superperformance
97%
80%
93%
Hodgdon VARGET
95%
90%
99%
IMR 3031
92%
89%
100%
IMR 4064
95%
89%
99%
IMR 4166 Enduron
95%
90%
95%
IMR 4350
97%
75%
92%
IMR 4451 Enduron
97%
90%
95%
IMR 4831
97%
62%
95%
IMR 4895
91%
89%
99%
IMR 8208 XBR
87%
89%
100%
Lovex D073.5
83%
89%
100%
Lovex D073.6
89%
89%
100%
Lovex S060
88%
89%
99%
Lovex S062
92%
89%
100%
Lovex S065
97%
83%
96%
Lovex S070
97%
78%
94%
Norma 201
90%
90%
100%
Norma 202
89%
89%
100%
Norma 203B
93%
89%
99%
Norma URP
97%
73%
96%
Ramshot Big Game
93%
90%
99%
Ramshot Hunter
97%
73%
94%
Ramshot TAC
87%
90%
97%
Ramshot Wild Boar
87%
89%
99%
Ramshot X-Terminator
84%
89%
99%
ReloadSwiss RS 40
83%
90%
100%
ReloadSwiss RS 50
93%
89%
96%
ReloadSwiss RS 52
93%
89%
100%
ReloadSwiss RS 60
97%
81%
100%
ReloadSwiss RS 62
97%
72%
96%
ReloadSwiss RS 70
97%
75%
95%
Rottweil R 901
87%
90%
100%
Rottweil R 902
91%
90%
100%
Rottweil R 903
97%
88%
100%
Rottweil R 907
97%
87%
94%
SNPE Vectan SP 11
96%
89%
99%
SNPE Vectan SP 7
88%
89%
98%
SNPE Vectan SP 9
89%
89%
99%
SNPE Vectan Tubal 3000
88%
89%
100%
SNPE Vectan Tubal 5000
94%
90%
100%
SNPE Vectan Tubal 7000
97%
81%
94%
Shooters World Long Rifle
97%
83%
96%
Shooters World Match Rifle
89%
89%
100%
Shooters World Precision
92%
89%
100%
Somchem S321
85%
89%
100%
Somchem S335
89%
90%
100%
Somchem S341
89%
90%
99%
Somchem S355
96%
88%
99%
Somchem S365
97%
65%
98%
Vihtavuori N130
85%
90%
100%
Vihtavuori N133
90%
90%
100%
Vihtavuori N135
97%
86%
100%
Vihtavuori N140
91%
89%
100%
Vihtavuori N150
97%
77%
99%
Vihtavuori N160
97%
81%
97%
Vihtavuori N530
85%
89%
100%
Vihtavuori N540
92%
89%
100%
Vihtavuori N550
97%
81%
97%
Vihtavuori N555
97%
54%
93%
Winchester 6.5 StaBALL
97%
79%
99%
Winchester 748
85%
89%
100%
Winchester 760
97%
88%
95%
Winchester StaBALL Match
83%
89%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
38885
71%
**72
97%
ADI AR 2208
<<locked>>
81%
33170
60%
**44
95%
Accurate 2015
<<locked>>
81%
44121
80%
**85
100%
Accurate 2200
<<locked>>
81%
41104
75%
**75
96%
Accurate 2460
<<locked>>
81%
46151
84%
**57
100%
Accurate 2495
<<locked>>
81%
38812
70%
**78
100%
Accurate 2520
<<locked>>
81%
39595
72%
**98
100%
[Accurate 2700]*
<<locked>>
86%
36637
66%
**64
90%
Accurate 4064
<<locked>>
81%
32793
59%
**80
99%
[Accurate 4350]*
<<locked>>
84%
25672
47%
**62
90%
Alliant AR-Comp
<<locked>>
81%
39929
72%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
31937
58%
**60
96%
Alliant Reloder-15
<<locked>>
81%
34650
63%
**13
96%
[Alliant Reloder-16]*
<<locked>>
84%
27760
50%
**75
90%
[Alliant Reloder-17]*
<<locked>>
81%
27804
50%
**14
93%
[Alliant Reloder-23]*
<<locked>>
92%
24990
45%
**32
90%
Baschieri & Pellagri 107
<<locked>>
81%
37463
68%
**65
96%
Hodgdon BL-C2
<<locked>>
81%
39189
71%
**11
99%
Hodgdon Benchmark
<<locked>>
81%
43337
79%
**82
100%
[Hodgdon CFE223]*
<<locked>>
81%
32924
60%
**03
94%
Hodgdon H322
<<locked>>
81%
43294
79%
**18
100%
[Hodgdon H380]*
<<locked>>
81%
32460
59%
**57
93%
[Hodgdon H414]*
<<locked>>
86%
33678
61%
**16
90%
[Hodgdon H4350]*
<<locked>>
93%
35853
65%
**06
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
23467
43%
**47
90%
[Hodgdon LVR]*
<<locked>>
82%
28485
52%
**95
90%
[Hodgdon Superperformance]*
<<locked>>
92%
37405
68%
**95
90%
Hodgdon VARGET
<<locked>>
81%
32996
60%
**41
95%
IMR 3031
<<locked>>
81%
34795
63%
**29
100%
IMR 4064
<<locked>>
81%
32460
59%
**24
95%
[IMR 4166 Enduron]*
<<locked>>
82%
33518
61%
**05
90%
[IMR 4350]*
<<locked>>
91%
35389
64%
**00
90%
[IMR 4451 Enduron]*
<<locked>>
84%
33779
61%
**41
90%
[IMR 4831]*
<<locked>>
87%
25730
47%
**39
90%
IMR 4895
<<locked>>
81%
35491
64%
**42
97%
IMR 8208 XBR
<<locked>>
81%
40930
74%
**82
99%
Lovex D073.5
<<locked>>
81%
45571
83%
**51
100%
Lovex D073.6
<<locked>>
81%
37014
67%
**52
99%
Lovex S060
<<locked>>
81%
39784
72%
**26
98%
Lovex S062
<<locked>>
81%
34432
62%
**77
98%
[Lovex S065]*
<<locked>>
82%
29138
53%
**59
90%
[Lovex S070]*
<<locked>>
88%
32605
59%
**51
90%
Norma 201
<<locked>>
81%
38276
69%
**36
98%
Norma 202
<<locked>>
81%
38101
69%
**49
100%
Norma 203B
<<locked>>
81%
34171
62%
**06
96%
[Norma URP]*
<<locked>>
83%
26731
49%
**62
90%
Ramshot Big Game
<<locked>>
81%
33504
61%
**06
95%
[Ramshot Hunter]*
<<locked>>
89%
31778
58%
**77
90%
Ramshot TAC
<<locked>>
81%
40698
74%
**78
95%
Ramshot Wild Boar
<<locked>>
81%
39929
72%
**01
98%
Ramshot X-Terminator
<<locked>>
81%
44382
81%
**21
98%
ReloadSwiss RS 40
<<locked>>
81%
45876
83%
**51
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33214
60%
**44
91%
ReloadSwiss RS 52
<<locked>>
81%
32460
59%
**13
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
27267
49%
**98
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
27659
50%
**11
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
31299
57%
**77
90%
Rottweil R 901
<<locked>>
81%
41843
76%
**78
100%
Rottweil R 902
<<locked>>
81%
36347
66%
**96
98%
Rottweil R 903
<<locked>>
81%
29457
53%
**11
95%
[Rottweil R 907]*
<<locked>>
87%
35288
64%
**70
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
30748
56%
**51
94%
SNPE Vectan SP 7
<<locked>>
81%
38653
70%
**52
95%
SNPE Vectan SP 9
<<locked>>
81%
37391
68%
**46
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
39914
72%
**06
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32822
60%
**95
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
32329
59%
**11
90%
[Shooters World Long Rifle]*
<<locked>>
82%
29138
53%
**59
90%
Shooters World Match Rifle
<<locked>>
81%
37014
67%
**52
99%
Shooters World Precision
<<locked>>
81%
34432
62%
**77
98%
Somchem S321
<<locked>>
81%
43729
79%
**47
99%
Somchem S335
<<locked>>
81%
39494
72%
**13
100%
Somchem S341
<<locked>>
81%
38218
69%
**52
97%
Somchem S355
<<locked>>
81%
30719
56%
**24
95%
[Somchem S365]*
<<locked>>
81%
22205
40%
**60
91%
Vihtavuori N130
<<locked>>
81%
44483
81%
**52
100%
Vihtavuori N133
<<locked>>
81%
37434
68%
**67
100%
Vihtavuori N135
<<locked>>
81%
29863
54%
**85
100%
Vihtavuori N140
<<locked>>
81%
35404
64%
**87
100%
Vihtavuori N150
<<locked>>
81%
26107
47%
**03
95%
[Vihtavuori N160]*
<<locked>>
81%
27079
49%
**39
90%
Vihtavuori N530
<<locked>>
81%
43221
78%
**28
99%
Vihtavuori N540
<<locked>>
81%
35317
64%
**03
99%
[Vihtavuori N550]*
<<locked>>
81%
26934
49%
**72
90%
[Vihtavuori N555]*
<<locked>>
91%
25382
46%
**78
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26266
48%
**96
92%
Winchester 748
<<locked>>
81%
42714
78%
**64
100%
[Winchester 760]*
<<locked>>
86%
33678
61%
**16
90%
Winchester StaBALL Match
<<locked>>
81%
45440
82%
**00
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.

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