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Load data for .375 R Hoelderlin + .375 | 300gr | Atomic 29 HP

Recommended Powder(s): Alliant Reloder- TS 15.5, Bofors RP3, IMR 4895, Norma 203B, ReloadSwiss RS 60

.375 R Hoelderlin + .375 | 300gr | Atomic 29 HP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Atomic 29 HP
Bullet Weight:
300gr | 19.4g
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_B12247_C554
Last updated:
2026-03-24

Load data for 180 loads in caliber .375 R Hoelderlin with .375 | 300gr | Atomic 29 HP bullet and 90 powders such as Alliant Reloder- TS 15.5, Bofors RP3, IMR 4895, Norma 203B, ReloadSwiss RS 60. 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%
46862
90%
**93
99%
ADI AR 2208
<<locked>>
94%
46166
88%
**60
98%
ADI Benchmark 8208
<<locked>>
87%
46601
89%
**60
99%
Accurate 2015
<<locked>>
85%
46180
88%
**05
100%
Accurate 2200
<<locked>>
87%
46934
90%
**51
97%
Accurate 2230
<<locked>>
83%
46586
89%
**47
99%
Accurate 2460
<<locked>>
83%
46238
89%
**51
100%
Accurate 2495
<<locked>>
89%
46731
89%
**83
100%
Accurate 2520
<<locked>>
88%
46659
89%
**93
100%
[Accurate 2700]*
<<locked>>
95%
46601
89%
**08
93%
Accurate 4064
<<locked>>
95%
46543
89%
**00
100%
Accurate 4350
<<locked>>
97%
35781
69%
**82
95%
Alliant AR-Comp
<<locked>>
88%
46905
90%
**70
100%
Alliant Power Pro 2000-MR
<<locked>>
92%
46383
89%
**75
98%
Alliant Reloder- TS 15.5 👍
<<locked>>
95%
46717
89%
**06
99%
Alliant Reloder-15
<<locked>>
93%
46644
89%
**10
98%
Alliant Reloder-16
<<locked>>
97%
38203
73%
**08
95%
Alliant Reloder-17
<<locked>>
97%
43062
82%
**33
98%
Baschieri & Pellagri 107
<<locked>>
89%
46572
89%
**03
98%
Bofors RP3 👍
<<locked>>
95%
46630
89%
**20
99%
[Bofors RP7]*
<<locked>>
97%
44222
85%
**21
93%
Hodgdon BL-C2
<<locked>>
88%
46485
89%
**16
99%
Hodgdon Benchmark
<<locked>>
86%
46905
90%
**24
100%
Hodgdon CFE223
<<locked>>
94%
46876
90%
**46
98%
Hodgdon H322
<<locked>>
86%
46978
90%
**60
100%
Hodgdon H380
<<locked>>
94%
46833
90%
**03
97%
[Hodgdon H414]*
<<locked>>
97%
44483
85%
**10
94%
Hodgdon H4895
<<locked>>
89%
46586
89%
**93
99%
Hodgdon Hybrid 100V
<<locked>>
97%
34055
65%
**10
96%
Hodgdon LVR
<<locked>>
97%
41307
79%
**47
95%
Hodgdon VARGET
<<locked>>
95%
46543
89%
**70
98%
IMR 3031
<<locked>>
92%
46441
89%
**00
100%
IMR 4064
<<locked>>
95%
46180
88%
**57
98%
[IMR 4166 Enduron]*
<<locked>>
95%
46441
89%
**24
94%
[IMR 4451 Enduron]*
<<locked>>
97%
46905
90%
**60
94%
[IMR 4831]*
<<locked>>
97%
31488
60%
**73
93%
IMR 4895 👍
<<locked>>
92%
46238
89%
**13
99%
IMR 8208 XBR
<<locked>>
87%
46601
89%
**60
99%
Lovex D073.5
<<locked>>
84%
46659
89%
**60
100%
Lovex D073.6
<<locked>>
90%
46659
89%
**93
100%
Lovex S060
<<locked>>
88%
46644
89%
**21
99%
Lovex S062
<<locked>>
93%
46905
90%
**80
100%
Lovex S065
<<locked>>
97%
41945
80%
**01
95%
[Lovex S070]*
<<locked>>
97%
39784
76%
**82
93%
Norma 201
<<locked>>
90%
46760
90%
**64
99%
Norma 202
<<locked>>
90%
46543
89%
**67
100%
Norma 203B 👍
<<locked>>
93%
46717
89%
**13
99%
Norma URP
<<locked>>
97%
37333
72%
**95
95%
Ramshot Big Game
<<locked>>
93%
46963
90%
**36
99%
[Ramshot Hunter]*
<<locked>>
97%
36811
71%
**75
92%
Ramshot TAC
<<locked>>
87%
46775
90%
**60
96%
Ramshot Wild Boar
<<locked>>
88%
46528
89%
**90
99%
Ramshot X-Terminator
<<locked>>
84%
46296
89%
**41
98%
ReloadSwiss RS 40
<<locked>>
83%
46876
90%
**54
100%
ReloadSwiss RS 50
<<locked>>
94%
46717
89%
**70
95%
ReloadSwiss RS 52
<<locked>>
91%
46731
89%
**72
98%
ReloadSwiss RS 60 👍
<<locked>>
97%
46137
88%
**85
100%
[ReloadSwiss RS 62]*
<<locked>>
97%
36695
70%
**05
94%
[ReloadSwiss RS 70]*
<<locked>>
97%
38174
73%
**11
93%
Rottweil R 901
<<locked>>
87%
46383
89%
**34
100%
Rottweil R 902
<<locked>>
91%
46470
89%
**51
99%
Rottweil R 903
<<locked>>
97%
45136
86%
**90
99%
[Rottweil R 907]*
<<locked>>
97%
44222
85%
**21
93%
SNPE Vectan SP 11
<<locked>>
96%
46601
89%
**36
99%
SNPE Vectan SP 7
<<locked>>
89%
46427
89%
**67
97%
SNPE Vectan SP 9
<<locked>>
90%
46978
90%
**93
99%
SNPE Vectan Tubal 3000
<<locked>>
88%
46441
89%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
46905
90%
**05
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
41147
79%
**59
93%
Shooters World Long Rifle
<<locked>>
97%
41945
80%
**01
95%
Shooters World Match Rifle
<<locked>>
90%
46659
89%
**93
100%
Shooters World Precision
<<locked>>
93%
46905
90%
**80
100%
Somchem S321
<<locked>>
85%
46920
90%
**83
100%
Somchem S335
<<locked>>
89%
46688
89%
**11
100%
Somchem S341
<<locked>>
89%
46775
90%
**77
99%
Somchem S355
<<locked>>
97%
46108
88%
**93
99%
Somchem S365
<<locked>>
97%
33156
63%
**46
97%
Vihtavuori N130
<<locked>>
84%
46079
88%
**65
100%
Vihtavuori N133
<<locked>>
90%
46253
89%
**85
100%
Vihtavuori N135
<<locked>>
97%
44295
85%
**24
100%
Vihtavuori N140
<<locked>>
92%
46354
89%
**47
100%
Vihtavuori N150
<<locked>>
97%
39088
75%
**62
99%
Vihtavuori N160
<<locked>>
97%
41568
80%
**28
96%
Vihtavuori N530
<<locked>>
85%
46572
89%
**67
100%
Vihtavuori N540
<<locked>>
92%
46383
89%
**74
100%
Vihtavuori N550
<<locked>>
97%
41423
79%
**74
96%
Winchester 6.5 StaBALL
<<locked>>
97%
41017
79%
**98
98%
Winchester 748
<<locked>>
86%
46789
90%
**13
100%
[Winchester 760]*
<<locked>>
97%
44483
85%
**10
94%
Winchester StaBALL Match
<<locked>>
84%
46572
89%
**03
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
36230
69%
**13
96%
[ADI AR 2208]*
<<locked>>
81%
30777
59%
**82
93%
ADI Benchmark 8208
<<locked>>
81%
38377
73%
**29
98%
Accurate 2015
<<locked>>
81%
41060
79%
**36
100%
Accurate 2200
<<locked>>
81%
38653
74%
**19
95%
Accurate 2230
<<locked>>
81%
42786
82%
**95
99%
Accurate 2460
<<locked>>
81%
42685
82%
**98
99%
Accurate 2495
<<locked>>
81%
35288
68%
**13
100%
Accurate 2520
<<locked>>
81%
36071
69%
**29
99%
[Accurate 2700]*
<<locked>>
89%
38029
73%
**73
90%
Accurate 4064
<<locked>>
81%
29428
56%
**08
98%
[Accurate 4350]*
<<locked>>
88%
26208
50%
**72
90%
Alliant AR-Comp
<<locked>>
81%
36637
70%
**26
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
32590
62%
**03
93%
Alliant Reloder- TS 15.5
<<locked>>
81%
29298
56%
**91
95%
[Alliant Reloder-15]*
<<locked>>
81%
32126
62%
**47
94%
[Alliant Reloder-16]*
<<locked>>
87%
28427
54%
**82
90%
[Alliant Reloder-17]*
<<locked>>
81%
25599
49%
**39
91%
Baschieri & Pellagri 107
<<locked>>
81%
35114
67%
**06
95%
Bofors RP3
<<locked>>
81%
28427
54%
**91
95%
[Bofors RP7]*
<<locked>>
90%
36361
70%
**83
90%
Hodgdon BL-C2
<<locked>>
81%
36318
70%
**49
98%
Hodgdon Benchmark
<<locked>>
81%
40611
78%
**26
99%
[Hodgdon CFE223]*
<<locked>>
81%
30661
59%
**41
92%
Hodgdon H322
<<locked>>
81%
40437
77%
**69
100%
[Hodgdon H380]*
<<locked>>
81%
29878
57%
**91
91%
[Hodgdon H414]*
<<locked>>
90%
34911
67%
**33
90%
Hodgdon H4895
<<locked>>
81%
36419
70%
**19
97%
[Hodgdon Hybrid 100V]*
<<locked>>
85%
24004
46%
**57
90%
[Hodgdon LVR]*
<<locked>>
86%
29414
56%
**01
90%
[Hodgdon VARGET]*
<<locked>>
81%
30603
59%
**78
93%
IMR 3031
<<locked>>
81%
32068
61%
**70
100%
[IMR 4064]*
<<locked>>
81%
30081
58%
**65
93%
[IMR 4166 Enduron]*
<<locked>>
85%
34911
67%
**24
90%
[IMR 4451 Enduron]*
<<locked>>
87%
34664
66%
**51
90%
[IMR 4831]*
<<locked>>
92%
26789
51%
**62
90%
IMR 4895
<<locked>>
81%
32880
63%
**77
95%
IMR 8208 XBR
<<locked>>
81%
38377
73%
**29
98%
Lovex D073.5
<<locked>>
81%
42279
81%
**95
99%
Lovex D073.6
<<locked>>
81%
33823
65%
**90
99%
Lovex S060
<<locked>>
81%
37434
72%
**70
97%
Lovex S062
<<locked>>
81%
31676
61%
**18
96%
[Lovex S065]*
<<locked>>
86%
30356
58%
**75
90%
[Lovex S070]*
<<locked>>
92%
33837
65%
**67
90%
Norma 201
<<locked>>
81%
35360
68%
**73
98%
Norma 202
<<locked>>
81%
35288
68%
**87
99%
Norma 203B
<<locked>>
81%
31401
60%
**41
95%
[Norma URP]*
<<locked>>
87%
27557
53%
**75
90%
[Ramshot Big Game]*
<<locked>>
81%
31067
60%
**41
94%
[Ramshot Hunter]*
<<locked>>
93%
33011
63%
**93
90%
[Ramshot TAC]*
<<locked>>
81%
38305
73%
**19
94%
Ramshot Wild Boar
<<locked>>
81%
37072
71%
**36
97%
Ramshot X-Terminator
<<locked>>
81%
41495
79%
**62
97%
ReloadSwiss RS 40
<<locked>>
81%
43163
83%
**01
100%
[ReloadSwiss RS 50]*
<<locked>>
83%
32401
62%
**18
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
32808
63%
**19
94%
ReloadSwiss RS 60
<<locked>>
81%
27282
52%
**98
95%
[ReloadSwiss RS 62]*
<<locked>>
89%
28442
54%
**21
90%
[ReloadSwiss RS 70]*
<<locked>>
92%
32677
63%
**93
90%
Rottweil R 901
<<locked>>
81%
39073
75%
**23
100%
Rottweil R 902
<<locked>>
81%
33460
64%
**34
97%
[Rottweil R 903]*
<<locked>>
81%
26629
51%
**39
93%
[Rottweil R 907]*
<<locked>>
90%
36361
70%
**83
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
28369
54%
**85
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
35810
69%
**90
94%
SNPE Vectan SP 9
<<locked>>
81%
34693
66%
**83
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
37318
71%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
30284
58%
**39
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
90%
33504
64%
**24
90%
[Shooters World Long Rifle]*
<<locked>>
86%
30356
58%
**75
90%
Shooters World Match Rifle
<<locked>>
81%
33823
65%
**90
99%
Shooters World Precision
<<locked>>
81%
31676
61%
**18
96%
Somchem S321
<<locked>>
81%
40698
78%
**88
99%
Somchem S335
<<locked>>
81%
36651
70%
**57
100%
Somchem S341
<<locked>>
81%
35592
68%
**96
96%
[Somchem S355]*
<<locked>>
81%
28050
54%
**59
94%
[Somchem S365]*
<<locked>>
84%
22234
43%
**50
90%
Vihtavuori N130
<<locked>>
81%
41785
80%
**06
100%
Vihtavuori N133
<<locked>>
81%
34896
67%
**11
100%
Vihtavuori N135
<<locked>>
81%
27209
52%
**26
99%
Vihtavuori N140
<<locked>>
81%
32764
63%
**28
99%
[Vihtavuori N150]*
<<locked>>
81%
23931
46%
**44
93%
[Vihtavuori N160]*
<<locked>>
84%
27731
53%
**49
90%
Vihtavuori N530
<<locked>>
81%
39972
77%
**65
99%
Vihtavuori N540
<<locked>>
81%
32430
62%
**44
99%
[Vihtavuori N550]*
<<locked>>
84%
27325
52%
**75
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
24381
47%
**34
90%
Winchester 748
<<locked>>
81%
39726
76%
**05
99%
[Winchester 760]*
<<locked>>
90%
34911
67%
**33
90%
Winchester StaBALL Match
<<locked>>
81%
42235
81%
**38
98%

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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