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Load data for .375 H.& H. Mag. + .375 | 300gr | Hornady BTSP

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11

.375 H.& H. Mag. + .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 H.& H. Mag. load data
Case Length (l3):
2.859" | 72.6mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.740" | 18.8mm
Shank Seated Depth:
0.520" | 13.2mm
Case Capacity:
95.3 Grains of Water | 6.19 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B2809_C543
Last updated:
2025-01-01
Recommended Twist Rate:
1:17 - 1:14

Load data for 196 loads in caliber .375 H.& H. Mag. with .375 | 300gr | Hornady BTSP bullet and 98 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. 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>>
90%
55811
89%
**67
100%
ADI AR 2208
<<locked>>
95%
56130
90%
**54
100%
Accurate 2015
<<locked>>
86%
55854
90%
**65
100%
Accurate 2200
<<locked>>
88%
55724
89%
**34
99%
Accurate 2230
<<locked>>
84%
55245
89%
**18
100%
Accurate 2460
<<locked>>
84%
55550
89%
**21
100%
Accurate 2495
<<locked>>
89%
55825
90%
**34
100%
Accurate 2520
<<locked>>
88%
55564
89%
**51
100%
Accurate 2700
<<locked>>
96%
55695
89%
**02
97%
[Accurate 3100]*
<<locked>>
97%
31502
51%
**23
92%
Accurate 4064
<<locked>>
95%
55317
89%
**48
100%
Accurate 4350
<<locked>>
97%
44701
72%
**85
98%
Alliant AR-Comp
<<locked>>
88%
55854
90%
**11
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
56014
90%
**84
100%
Alliant Reloder-10x
<<locked>>
83%
55608
89%
**65
100%
Alliant Reloder-15
<<locked>>
93%
55956
90%
**93
100%
Alliant Reloder-16
<<locked>>
97%
44817
72%
**92
98%
Alliant Reloder-17 👍
<<locked>>
97%
50662
81%
**13
100%
Alliant Reloder-23
<<locked>>
97%
31517
51%
**56
96%
[Alliant Reloder-26]*
<<locked>>
97%
34113
55%
**60
94%
Baschieri & Pellagri 107
<<locked>>
90%
55651
89%
**87
100%
Hodgdon BL-C2
<<locked>>
88%
55825
90%
**90
100%
Hodgdon Benchmark
<<locked>>
87%
55347
89%
**88
100%
Hodgdon CFE223 👍
<<locked>>
94%
55564
89%
**26
100%
Hodgdon H322
<<locked>>
86%
55912
90%
**21
100%
Hodgdon H380
<<locked>>
94%
55390
89%
**80
99%
Hodgdon H414
<<locked>>
97%
53011
85%
**00
97%
[Hodgdon H4350]*
<<locked>>
97%
43236
69%
**87
94%
Hodgdon Hybrid 100V
<<locked>>
97%
41147
66%
**90
99%
Hodgdon LVR
<<locked>>
97%
49052
79%
**31
98%
Hodgdon Superperformance
<<locked>>
97%
49052
79%
**51
96%
Hodgdon VARGET
<<locked>>
96%
55608
89%
**51
100%
IMR 3031
<<locked>>
93%
55637
89%
**57
100%
IMR 4064
<<locked>>
96%
55347
89%
**38
100%
IMR 4166 Enduron
<<locked>>
96%
55869
90%
**21
98%
IMR 4198
<<locked>>
83%
56014
90%
**33
100%
IMR 4350
<<locked>>
97%
45847
74%
**29
95%
IMR 4451 Enduron
<<locked>>
97%
53853
86%
**28
97%
IMR 4831
<<locked>>
97%
38101
61%
**51
97%
IMR 4895
<<locked>>
92%
55883
90%
**00
100%
IMR 8208 XBR
<<locked>>
88%
55912
90%
**34
100%
Lovex D073.4
<<locked>>
83%
55941
90%
**18
100%
Lovex D073.5
<<locked>>
84%
55941
90%
**25
100%
Lovex D073.6
<<locked>>
90%
55738
89%
**57
100%
Lovex S060
<<locked>>
90%
56014
90%
**08
100%
Lovex S062
<<locked>>
94%
55361
89%
**41
100%
Lovex S065
<<locked>>
97%
49690
80%
**79
98%
Lovex S070
<<locked>>
97%
47065
75%
**52
96%
Norma 201
<<locked>>
90%
55477
89%
**31
100%
Norma 202
<<locked>>
90%
55825
90%
**31
100%
Norma 203B
<<locked>>
94%
55825
90%
**87
100%
[Norma 204]*
<<locked>>
97%
45788
73%
**59
93%
Norma URP
<<locked>>
97%
44425
71%
**72
98%
Ramshot Big Game 👍
<<locked>>
93%
55680
89%
**10
100%
Ramshot Hunter
<<locked>>
97%
44063
71%
**72
96%
Ramshot TAC
<<locked>>
88%
55666
89%
**48
99%
Ramshot Wild Boar
<<locked>>
88%
55448
89%
**74
100%
Ramshot X-Terminator
<<locked>>
86%
55709
89%
**25
100%
ReloadSwiss RS 40
<<locked>>
84%
55564
89%
**25
100%
ReloadSwiss RS 50
<<locked>>
94%
55666
89%
**61
98%
ReloadSwiss RS 52
<<locked>>
94%
56014
90%
**16
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
49240
79%
**07
100%
ReloadSwiss RS 62
<<locked>>
97%
44121
71%
**95
98%
ReloadSwiss RS 70
<<locked>>
97%
45078
72%
**11
97%
Rottweil R 901
<<locked>>
88%
55927
90%
**08
100%
Rottweil R 902
<<locked>>
92%
55869
90%
**28
100%
Rottweil R 903
<<locked>>
97%
53925
86%
**57
100%
Rottweil R 907
<<locked>>
97%
51851
83%
**98
96%
SNPE Vectan SP 11 👍
<<locked>>
96%
55709
89%
**13
100%
SNPE Vectan SP 7
<<locked>>
89%
55274
89%
**48
99%
SNPE Vectan SP 9
<<locked>>
91%
55767
89%
**64
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
55738
89%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
55477
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
49995
80%
**39
97%
Shooters World Long Rifle
<<locked>>
97%
49690
80%
**79
98%
Shooters World Match Rifle
<<locked>>
90%
55738
89%
**57
100%
Shooters World Precision
<<locked>>
94%
55361
89%
**41
100%
Somchem S321
<<locked>>
86%
55521
89%
**54
100%
Somchem S335
<<locked>>
90%
55709
89%
**69
100%
Somchem S341
<<locked>>
89%
55347
89%
**44
100%
Somchem S355
<<locked>>
97%
54911
88%
**64
100%
Somchem S365
<<locked>>
97%
40089
64%
**36
100%
[Somchem S385]*
<<locked>>
97%
36970
59%
**18
92%
Vihtavuori N130
<<locked>>
86%
55550
89%
**26
100%
Vihtavuori N133
<<locked>>
92%
56043
90%
**52
100%
Vihtavuori N135
<<locked>>
97%
52373
84%
**65
100%
Vihtavuori N140
<<locked>>
93%
56014
90%
**11
100%
Vihtavuori N150
<<locked>>
97%
46688
75%
**23
100%
Vihtavuori N160
<<locked>>
97%
49182
79%
**05
99%
Vihtavuori N530
<<locked>>
86%
55376
89%
**38
100%
Vihtavuori N540
<<locked>>
93%
55724
89%
**38
100%
Vihtavuori N550
<<locked>>
97%
49821
80%
**54
99%
Vihtavuori N555
<<locked>>
97%
33417
54%
**18
96%
Winchester 6.5 StaBALL
<<locked>>
97%
47311
76%
**59
100%
Winchester 748
<<locked>>
86%
55695
89%
**80
100%
Winchester 760
<<locked>>
97%
53011
85%
**00
97%
[Winchester StaBALL HD]*
<<locked>>
97%
27963
45%
**13
93%
Winchester StaBALL Match
<<locked>>
84%
55941
90%
**77
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
42279
68%
**67
99%
ADI AR 2208
<<locked>>
81%
35853
57%
**36
96%
Accurate 2015
<<locked>>
81%
47906
77%
**67
100%
Accurate 2200
<<locked>>
81%
44440
71%
**67
98%
Accurate 2230
<<locked>>
81%
50067
80%
**49
100%
Accurate 2460
<<locked>>
81%
50227
81%
**56
100%
Accurate 2495
<<locked>>
81%
42902
69%
**64
100%
Accurate 2520
<<locked>>
81%
43671
70%
**97
100%
[Accurate 2700]*
<<locked>>
81%
34345
55%
**57
90%
[Accurate 3100]*
<<locked>>
94%
28485
46%
**51
90%
Accurate 4064
<<locked>>
81%
36114
58%
**72
100%
[Accurate 4350]*
<<locked>>
81%
25947
42%
**98
91%
Alliant AR-Comp
<<locked>>
81%
43932
70%
**67
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
35128
56%
**56
98%
Alliant Reloder-10x
<<locked>>
81%
51851
83%
**20
100%
Alliant Reloder-15
<<locked>>
81%
37927
61%
**08
97%
[Alliant Reloder-16]*
<<locked>>
81%
27760
45%
**18
91%
Alliant Reloder-17
<<locked>>
81%
30414
49%
**23
96%
[Alliant Reloder-23]*
<<locked>>
87%
23612
38%
**29
90%
[Alliant Reloder-26]*
<<locked>>
91%
28514
46%
**10
90%
Baschieri & Pellagri 107
<<locked>>
81%
41133
66%
**67
98%
Hodgdon BL-C2
<<locked>>
81%
43395
70%
**16
100%
Hodgdon Benchmark
<<locked>>
81%
46543
75%
**70
100%
Hodgdon CFE223
<<locked>>
81%
35998
58%
**11
96%
Hodgdon H322
<<locked>>
81%
46862
75%
**06
100%
Hodgdon H380
<<locked>>
81%
35650
57%
**62
95%
[Hodgdon H414]*
<<locked>>
81%
31270
50%
**06
90%
[Hodgdon H4350]*
<<locked>>
88%
33359
53%
**96
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25063
40%
**32
93%
[Hodgdon LVR]*
<<locked>>
81%
29675
48%
**57
92%
[Hodgdon Superperformance]*
<<locked>>
87%
34679
56%
**85
90%
Hodgdon VARGET
<<locked>>
81%
35694
57%
**33
96%
IMR 3031
<<locked>>
81%
38247
61%
**18
100%
IMR 4064
<<locked>>
81%
35201
56%
**16
97%
[IMR 4166 Enduron]*
<<locked>>
81%
35621
57%
**90
92%
IMR 4198
<<locked>>
81%
52199
84%
**87
100%
[IMR 4350]*
<<locked>>
86%
33214
53%
**90
90%
[IMR 4451 Enduron]*
<<locked>>
81%
33402
54%
**73
91%
[IMR 4831]*
<<locked>>
82%
24540
39%
**36
90%
IMR 4895
<<locked>>
81%
38740
62%
**34
98%
IMR 8208 XBR
<<locked>>
81%
44367
71%
**77
100%
Lovex D073.4
<<locked>>
81%
52170
84%
**72
100%
Lovex D073.5
<<locked>>
81%
50038
80%
**49
100%
Lovex D073.6
<<locked>>
81%
40727
65%
**47
100%
Lovex S060
<<locked>>
81%
42598
68%
**11
99%
Lovex S062
<<locked>>
81%
37376
60%
**69
99%
[Lovex S065]*
<<locked>>
81%
30719
49%
**28
92%
[Lovex S070]*
<<locked>>
83%
30603
49%
**44
90%
Norma 201
<<locked>>
81%
41423
66%
**24
99%
Norma 202
<<locked>>
81%
41669
67%
**38
100%
Norma 203B
<<locked>>
81%
37304
60%
**98
98%
[Norma 204]*
<<locked>>
91%
38087
61%
**15
90%
[Norma URP]*
<<locked>>
81%
27137
44%
**08
91%
Ramshot Big Game
<<locked>>
81%
36825
59%
**15
97%
[Ramshot Hunter]*
<<locked>>
84%
29805
48%
**70
90%
Ramshot TAC
<<locked>>
81%
44222
71%
**80
97%
Ramshot Wild Boar
<<locked>>
81%
43395
70%
**97
99%
Ramshot X-Terminator
<<locked>>
81%
47964
77%
**20
99%
ReloadSwiss RS 40
<<locked>>
81%
49763
80%
**46
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
36434
58%
**49
93%
ReloadSwiss RS 52
<<locked>>
81%
35810
57%
**11
99%
ReloadSwiss RS 60
<<locked>>
81%
29544
47%
**06
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
26339
42%
**11
90%
[ReloadSwiss RS 70]*
<<locked>>
83%
29153
47%
**67
90%
Rottweil R 901
<<locked>>
81%
45426
73%
**67
100%
Rottweil R 902
<<locked>>
81%
39421
63%
**85
99%
Rottweil R 903
<<locked>>
81%
32619
52%
**10
97%
[Rottweil R 907]*
<<locked>>
82%
33141
53%
**67
90%
SNPE Vectan SP 11
<<locked>>
81%
33620
54%
**52
96%
SNPE Vectan SP 7
<<locked>>
81%
42482
68%
**57
97%
SNPE Vectan SP 9
<<locked>>
81%
40625
65%
**41
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
43076
69%
**88
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35433
57%
**73
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
82%
30226
48%
**98
90%
[Shooters World Long Rifle]*
<<locked>>
81%
30719
49%
**28
92%
Shooters World Match Rifle
<<locked>>
81%
40727
65%
**47
100%
Shooters World Precision
<<locked>>
81%
37376
60%
**69
99%
Somchem S321
<<locked>>
81%
47834
77%
**46
100%
Somchem S335
<<locked>>
81%
42424
68%
**95
100%
Somchem S341
<<locked>>
81%
42003
67%
**57
99%
Somchem S355
<<locked>>
81%
33562
54%
**19
97%
[Somchem S365]*
<<locked>>
81%
24250
39%
**62
94%
[Somchem S385]*
<<locked>>
94%
33431
54%
**46
90%
Vihtavuori N130
<<locked>>
81%
47732
77%
**31
100%
Vihtavuori N133
<<locked>>
81%
40408
65%
**46
100%
Vihtavuori N135
<<locked>>
81%
32692
52%
**70
100%
Vihtavuori N140
<<locked>>
81%
38812
62%
**72
100%
Vihtavuori N150
<<locked>>
81%
28485
46%
**95
97%
[Vihtavuori N160]*
<<locked>>
81%
29617
47%
**41
93%
Vihtavuori N530
<<locked>>
81%
46673
75%
**23
100%
Vihtavuori N540
<<locked>>
81%
38421
62%
**95
100%
[Vihtavuori N550]*
<<locked>>
81%
29617
47%
**77
93%
[Vihtavuori N555]*
<<locked>>
86%
23975
38%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
28514
46%
**95
95%
Winchester 748
<<locked>>
81%
46949
75%
**62
100%
[Winchester 760]*
<<locked>>
81%
31270
50%
**06
90%
[Winchester StaBALL HD]*
<<locked>>
93%
24932
40%
**08
90%
Winchester StaBALL Match
<<locked>>
81%
49995
80%
**05
100%

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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