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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".

  • 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>>
89%
49487
90%
**46
99%
ADI AR 2208
<<locked>>
94%
49081
89%
**20
99%
Accurate 2015
<<locked>>
84%
49211
89%
**51
100%
Accurate 2200
<<locked>>
87%
49327
89%
**00
98%
Accurate 2460
<<locked>>
83%
49516
90%
**10
100%
Accurate 2495
<<locked>>
88%
49037
89%
**20
100%
Accurate 2520
<<locked>>
87%
49095
89%
**36
100%
[Accurate 2700]*
<<locked>>
95%
49443
90%
**70
94%
Accurate 4064
<<locked>>
94%
49153
89%
**43
100%
Accurate 4350
<<locked>>
97%
39943
72%
**70
97%
Alliant AR-Comp
<<locked>>
88%
49429
90%
**06
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
49240
89%
**56
100%
Alliant Reloder-15 👍
<<locked>>
92%
49472
90%
**62
99%
Alliant Reloder-16
<<locked>>
97%
40799
74%
**77
97%
Alliant Reloder-17
<<locked>>
97%
46079
84%
**98
99%
[Alliant Reloder-23]*
<<locked>>
97%
28921
52%
**47
93%
Baschieri & Pellagri 107
<<locked>>
89%
49095
89%
**59
98%
Hodgdon BL-C2
<<locked>>
88%
49371
90%
**69
100%
Hodgdon Benchmark
<<locked>>
85%
49298
89%
**74
100%
Hodgdon CFE223
<<locked>>
93%
49182
89%
**95
98%
Hodgdon H322
<<locked>>
85%
49313
89%
**03
100%
Hodgdon H380
<<locked>>
94%
49429
90%
**52
98%
Hodgdon H414
<<locked>>
97%
48312
88%
**88
95%
[Hodgdon H4350]*
<<locked>>
97%
39726
72%
**78
92%
Hodgdon Hybrid 100V
<<locked>>
97%
36738
67%
**75
97%
Hodgdon LVR
<<locked>>
97%
44773
81%
**23
97%
[Hodgdon Superperformance]*
<<locked>>
97%
44034
80%
**20
93%
Hodgdon VARGET
<<locked>>
95%
49603
90%
**26
99%
IMR 3031
<<locked>>
92%
49066
89%
**46
100%
IMR 4064
<<locked>>
95%
49066
89%
**10
99%
IMR 4166 Enduron
<<locked>>
95%
49400
90%
**83
95%
[IMR 4350]*
<<locked>>
97%
41466
75%
**15
92%
IMR 4451 Enduron
<<locked>>
97%
49588
90%
**20
95%
IMR 4831
<<locked>>
97%
34374
62%
**42
95%
IMR 4895 👍
<<locked>>
91%
49168
89%
**69
99%
IMR 8208 XBR
<<locked>>
87%
49269
89%
**06
100%
Lovex D073.5
<<locked>>
83%
49298
89%
**03
100%
Lovex D073.6
<<locked>>
89%
49095
89%
**36
100%
Lovex S060
<<locked>>
88%
49066
89%
**74
99%
Lovex S062
<<locked>>
92%
48892
89%
**20
100%
Lovex S065
<<locked>>
97%
45774
83%
**74
96%
[Lovex S070]*
<<locked>>
97%
42801
78%
**47
94%
Norma 201
<<locked>>
90%
49516
90%
**16
100%
Norma 202
<<locked>>
89%
49284
89%
**16
100%
Norma 203B 👍
<<locked>>
93%
49197
89%
**59
99%
Norma URP
<<locked>>
97%
40176
73%
**60
96%
Ramshot Big Game 👍
<<locked>>
93%
49501
90%
**85
99%
[Ramshot Hunter]*
<<locked>>
97%
40074
73%
**54
94%
Ramshot TAC
<<locked>>
87%
49414
90%
**16
97%
Ramshot Wild Boar
<<locked>>
87%
49066
89%
**43
99%
Ramshot X-Terminator
<<locked>>
84%
49023
89%
**90
99%
ReloadSwiss RS 40
<<locked>>
83%
49385
90%
**03
100%
ReloadSwiss RS 50
<<locked>>
93%
48907
89%
**20
96%
ReloadSwiss RS 52 👍
<<locked>>
93%
48892
89%
**92
100%
ReloadSwiss RS 60
<<locked>>
97%
44889
81%
**88
100%
ReloadSwiss RS 62
<<locked>>
97%
39697
72%
**80
96%
ReloadSwiss RS 70
<<locked>>
97%
41481
75%
**93
95%
Rottweil R 901
<<locked>>
87%
49385
90%
**87
100%
Rottweil R 902
<<locked>>
91%
49371
90%
**03
100%
Rottweil R 903
<<locked>>
97%
48704
88%
**49
100%
[Rottweil R 907]*
<<locked>>
97%
47964
87%
**90
94%
SNPE Vectan SP 11
<<locked>>
96%
49153
89%
**85
99%
SNPE Vectan SP 7
<<locked>>
88%
49255
89%
**23
98%
SNPE Vectan SP 9
<<locked>>
89%
49153
89%
**36
99%
SNPE Vectan Tubal 3000
<<locked>>
88%
49052
89%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
49458
90%
**47
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
44585
81%
**21
94%
Shooters World Long Rifle
<<locked>>
97%
45774
83%
**74
96%
Shooters World Match Rifle
<<locked>>
89%
49095
89%
**36
100%
Shooters World Precision
<<locked>>
92%
48892
89%
**20
100%
Somchem S321
<<locked>>
85%
49197
89%
**29
100%
Somchem S335
<<locked>>
89%
49371
90%
**54
100%
Somchem S341
<<locked>>
89%
49530
90%
**29
99%
Somchem S355
<<locked>>
96%
48646
88%
**39
99%
Somchem S365
<<locked>>
97%
35723
65%
**18
98%
Vihtavuori N130
<<locked>>
85%
49501
90%
**21
100%
Vihtavuori N133
<<locked>>
90%
49458
90%
**38
100%
Vihtavuori N135
<<locked>>
97%
47601
86%
**77
100%
Vihtavuori N140
<<locked>>
91%
48965
89%
**93
100%
Vihtavuori N150
<<locked>>
97%
42612
77%
**28
99%
Vihtavuori N160
<<locked>>
97%
44614
81%
**97
97%
Vihtavuori N530
<<locked>>
85%
48907
89%
**16
100%
Vihtavuori N540
<<locked>>
92%
49313
89%
**23
100%
Vihtavuori N550
<<locked>>
97%
44396
81%
**33
97%
[Vihtavuori N555]*
<<locked>>
97%
29805
54%
**00
93%
Winchester 6.5 StaBALL
<<locked>>
97%
43352
79%
**54
99%
Winchester 748
<<locked>>
85%
49037
89%
**56
100%
Winchester 760
<<locked>>
97%
48312
88%
**88
95%
Winchester StaBALL Match
<<locked>>
83%
49211
89%
**49
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.

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

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