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Load data for .375 R Hoelderlin + .375 | 300gr | A-Square MONO RN

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 60, Rottweil R 903, SNPE Vectan SP 11, Winchester 6.5 StaBALL

.375 R Hoelderlin + .375 | 300gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | A-Square MONO RN
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.375 R Hoelderlin load data
Case Length (l3):
2.657" | 67.5mm
Cartridge Length (C.O.L.):
3.374" | 85.7mm
Seated Depth:
0.433" | 11.0mm
Shank Seated Depth:
0.433" | 11.0mm
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_B393_C554
Last updated:
2025-02-02

Load data for 148 loads in caliber .375 R Hoelderlin with .375 | 300gr | A-Square MONO RN bullet and 74 powders such as Alliant Reloder-17, ReloadSwiss RS 60, Rottweil R 903, SNPE Vectan SP 11, Winchester 6.5 StaBALL. 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
<<locked>>
84%
46978
90%
**43
99%
ADI AR 2208
<<locked>>
89%
46659
89%
**23
99%
Accurate 2495
<<locked>>
83%
46702
89%
**16
100%
Accurate 2700
<<locked>>
90%
46586
89%
**74
95%
[Accurate 3100]*
<<locked>>
97%
31923
61%
**33
92%
Accurate 4064
<<locked>>
89%
46514
89%
**36
100%
Accurate 4350
<<locked>>
97%
45252
87%
**88
98%
Alliant Reloder- TS 15.5
<<locked>>
89%
46224
89%
**46
100%
Alliant Reloder-15
<<locked>>
87%
46557
89%
**56
99%
Alliant Reloder-16
<<locked>>
97%
44962
86%
**98
98%
Alliant Reloder-17 👍
<<locked>>
94%
46891
90%
**51
100%
Alliant Reloder-23
<<locked>>
97%
31894
61%
**62
96%
[Alliant Reloder-26]*
<<locked>>
97%
34330
66%
**60
94%
Baschieri & Pellagri 107
<<locked>>
85%
46949
90%
**59
99%
Hodgdon CFE223
<<locked>>
88%
46528
89%
**98
99%
Hodgdon H380
<<locked>>
89%
46833
90%
**59
98%
Hodgdon H414
<<locked>>
93%
46644
89%
**05
96%
[Hodgdon H4350]*
<<locked>>
97%
43540
83%
**93
94%
Hodgdon Hybrid 100V
<<locked>>
97%
41292
79%
**93
99%
Hodgdon LVR
<<locked>>
95%
46586
89%
**92
98%
Hodgdon Superperformance
<<locked>>
95%
46601
89%
**11
95%
Hodgdon VARGET
<<locked>>
90%
46659
89%
**23
99%
IMR 3031
<<locked>>
87%
46804
90%
**43
100%
IMR 4064
<<locked>>
90%
46456
89%
**13
99%
IMR 4166 Enduron
<<locked>>
90%
46470
89%
**87
96%
IMR 4350
<<locked>>
97%
46151
88%
**33
95%
IMR 4451 Enduron
<<locked>>
92%
46702
89%
**20
96%
IMR 4831
<<locked>>
97%
38580
74%
**60
97%
IMR 4895
<<locked>>
87%
46905
90%
**75
99%
Lovex D073.6
<<locked>>
85%
46398
89%
**33
100%
Lovex S060
<<locked>>
84%
46601
89%
**74
99%
Lovex S062
<<locked>>
88%
46557
89%
**23
100%
Lovex S065
<<locked>>
94%
46673
89%
**29
97%
Lovex S070
<<locked>>
96%
46557
89%
**49
96%
Norma 201
<<locked>>
85%
46586
89%
**06
100%
Norma 202
<<locked>>
85%
46876
90%
**13
100%
Norma 203B
<<locked>>
88%
46891
90%
**62
99%
[Norma 204]*
<<locked>>
97%
45905
88%
**59
93%
Norma URP
<<locked>>
97%
45397
87%
**82
98%
Ramshot Big Game
<<locked>>
88%
46760
90%
**85
99%
Ramshot Hunter
<<locked>>
97%
44179
85%
**69
96%
ReloadSwiss RS 50
<<locked>>
89%
46731
90%
**29
96%
ReloadSwiss RS 52
<<locked>>
89%
46775
90%
**95
100%
ReloadSwiss RS 60 👍
<<locked>>
95%
46833
90%
**67
100%
ReloadSwiss RS 62
<<locked>>
97%
44440
85%
**98
98%
ReloadSwiss RS 70
<<locked>>
97%
45353
87%
**18
97%
Rottweil R 902
<<locked>>
86%
46963
90%
**06
100%
Rottweil R 903 👍
<<locked>>
92%
46470
89%
**56
100%
Rottweil R 907
<<locked>>
93%
46862
90%
**23
95%
SNPE Vectan SP 11 👍
<<locked>>
91%
46572
89%
**85
99%
SNPE Vectan SP 7
<<locked>>
84%
46978
90%
**29
98%
SNPE Vectan SP 9
<<locked>>
85%
46978
90%
**39
99%
SNPE Vectan Tubal 3000
<<locked>>
83%
46412
89%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
46354
89%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
46688
89%
**87
96%
Shooters World Long Rifle
<<locked>>
94%
46673
89%
**29
97%
Shooters World Match Rifle
<<locked>>
85%
46398
89%
**33
100%
Shooters World Precision
<<locked>>
88%
46557
89%
**23
100%
Somchem S335
<<locked>>
84%
46398
89%
**47
100%
Somchem S341
<<locked>>
84%
46644
89%
**23
99%
Somchem S355
<<locked>>
91%
46688
89%
**49
100%
Somchem S365
<<locked>>
97%
40393
77%
**43
100%
[Somchem S385]*
<<locked>>
97%
37405
72%
**21
92%
Vihtavuori N133
<<locked>>
85%
46267
89%
**28
100%
Vihtavuori N135
<<locked>>
92%
46311
89%
**87
100%
Vihtavuori N140
<<locked>>
87%
46920
90%
**97
100%
Vihtavuori N150
<<locked>>
97%
46688
89%
**20
100%
Vihtavuori N160
<<locked>>
95%
46673
89%
**69
98%
Vihtavuori N540
<<locked>>
87%
46804
90%
**23
100%
Vihtavuori N550
<<locked>>
95%
46818
90%
**08
98%
Vihtavuori N555
<<locked>>
97%
33692
65%
**24
96%
Winchester 6.5 StaBALL 👍
<<locked>>
96%
46992
90%
**52
100%
Winchester 760
<<locked>>
93%
46644
89%
**05
96%
[Winchester StaBALL HD]*
<<locked>>
97%
28282
54%
**19
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
42627
82%
**74
99%
ADI AR 2208
<<locked>>
81%
36419
70%
**46
97%
Accurate 2495
<<locked>>
81%
43497
83%
**70
100%
[Accurate 2700]*
<<locked>>
81%
34621
66%
**57
90%
[Accurate 3100]*
<<locked>>
94%
28732
55%
**60
90%
Accurate 4064
<<locked>>
81%
36622
70%
**75
100%
[Accurate 4350]*
<<locked>>
81%
26223
50%
**05
91%
Alliant Reloder- TS 15.5
<<locked>>
81%
35607
68%
**59
98%
Alliant Reloder-15
<<locked>>
81%
38247
73%
**15
97%
[Alliant Reloder-16]*
<<locked>>
81%
27891
53%
**18
92%
Alliant Reloder-17
<<locked>>
81%
30676
59%
**23
96%
[Alliant Reloder-23]*
<<locked>>
86%
23511
45%
**23
90%
[Alliant Reloder-26]*
<<locked>>
91%
28863
55%
**16
90%
Baschieri & Pellagri 107
<<locked>>
81%
41452
79%
**74
98%
Hodgdon CFE223
<<locked>>
81%
36405
70%
**15
96%
Hodgdon H380
<<locked>>
81%
36100
69%
**65
95%
[Hodgdon H414]*
<<locked>>
81%
31662
61%
**10
90%
[Hodgdon H4350]*
<<locked>>
88%
33634
64%
**00
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25411
49%
**39
93%
[Hodgdon LVR]*
<<locked>>
81%
29820
57%
**60
92%
[Hodgdon Superperformance]*
<<locked>>
87%
34577
66%
**82
90%
Hodgdon VARGET
<<locked>>
81%
35868
69%
**33
96%
IMR 3031
<<locked>>
81%
38769
74%
**21
100%
IMR 4064
<<locked>>
81%
35650
68%
**23
97%
[IMR 4166 Enduron]*
<<locked>>
81%
35795
69%
**93
92%
[IMR 4350]*
<<locked>>
86%
33359
64%
**93
90%
[IMR 4451 Enduron]*
<<locked>>
81%
33794
65%
**77
91%
[IMR 4831]*
<<locked>>
82%
24526
47%
**32
90%
IMR 4895
<<locked>>
81%
39218
75%
**44
98%
Lovex D073.6
<<locked>>
81%
41597
80%
**57
100%
Lovex S060
<<locked>>
81%
42931
82%
**18
99%
Lovex S062
<<locked>>
81%
37855
72%
**78
99%
[Lovex S065]*
<<locked>>
81%
30995
59%
**34
92%
[Lovex S070]*
<<locked>>
82%
30356
58%
**34
90%
Norma 201
<<locked>>
81%
41785
80%
**31
99%
Norma 202
<<locked>>
81%
41872
80%
**41
100%
Norma 203B
<<locked>>
81%
37492
72%
**05
98%
[Norma 204]*
<<locked>>
91%
37971
73%
**11
90%
[Norma URP]*
<<locked>>
81%
27383
52%
**14
92%
Ramshot Big Game
<<locked>>
81%
36985
71%
**11
97%
[Ramshot Hunter]*
<<locked>>
84%
29936
57%
**70
90%
[ReloadSwiss RS 50]*
<<locked>>
81%
36593
70%
**49
93%
ReloadSwiss RS 52
<<locked>>
81%
36129
69%
**18
99%
ReloadSwiss RS 60
<<locked>>
81%
29907
57%
**13
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
26687
51%
**18
91%
[ReloadSwiss RS 70]*
<<locked>>
83%
29051
56%
**60
90%
Rottweil R 902
<<locked>>
81%
39914
76%
**92
99%
Rottweil R 903
<<locked>>
81%
32808
63%
**16
97%
[Rottweil R 907]*
<<locked>>
82%
33286
64%
**67
90%
SNPE Vectan SP 11
<<locked>>
81%
33910
65%
**56
96%
SNPE Vectan SP 7
<<locked>>
81%
42656
82%
**60
97%
SNPE Vectan SP 9
<<locked>>
81%
40944
78%
**41
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
43279
83%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35766
68%
**80
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
30211
58%
**95
90%
[Shooters World Long Rifle]*
<<locked>>
81%
30995
59%
**34
92%
Shooters World Match Rifle
<<locked>>
81%
41597
80%
**57
100%
Shooters World Precision
<<locked>>
81%
37855
72%
**78
99%
Somchem S335
<<locked>>
81%
42757
82%
**95
100%
Somchem S341
<<locked>>
81%
42177
81%
**57
99%
Somchem S355
<<locked>>
81%
33881
65%
**19
97%
[Somchem S365]*
<<locked>>
81%
24584
47%
**69
94%
[Somchem S385]*
<<locked>>
93%
33315
64%
**39
90%
Vihtavuori N133
<<locked>>
81%
40756
78%
**46
100%
Vihtavuori N135
<<locked>>
81%
33156
63%
**73
100%
Vihtavuori N140
<<locked>>
81%
39146
75%
**78
100%
Vihtavuori N150
<<locked>>
81%
29153
56%
**05
97%
[Vihtavuori N160]*
<<locked>>
81%
29747
57%
**41
93%
Vihtavuori N540
<<locked>>
81%
38740
74%
**95
100%
[Vihtavuori N550]*
<<locked>>
81%
29892
57%
**80
93%
[Vihtavuori N555]*
<<locked>>
85%
23960
46%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
28848
55%
**05
95%
[Winchester 760]*
<<locked>>
81%
31662
61%
**10
90%
[Winchester StaBALL HD]*
<<locked>>
93%
25121
48%
**08
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.

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