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

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N550

.375 Ruger + .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 Ruger load data
Case Length (l3):
2.572" | 65.3mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.709" | 18.0mm
Shank Seated Depth:
0.489" | 12.4mm
Case Capacity:
99.0 Grains of Water | 6.43 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B2809_C561
Last updated:
2025-01-01
Recommended Twist Rate:
1:17 - 1:14

Load data for 198 loads in caliber .375 Ruger with .375 | 300gr | Hornady BTSP bullet and 99 powders such as Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N550. 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>>
87%
55274
89%
**51
100%
ADI AR 2208
<<locked>>
93%
55347
89%
**38
100%
[ADI AR 2209]*
<<locked>>
97%
43250
70%
**23
94%
Accurate 2015
<<locked>>
84%
55535
89%
**46
100%
Accurate 2200
<<locked>>
85%
55201
89%
**18
100%
Accurate 2495
<<locked>>
86%
55651
90%
**05
100%
Accurate 2520
<<locked>>
86%
55709
90%
**38
100%
Accurate 2700
<<locked>>
93%
55448
89%
**85
97%
Accurate 3100
<<locked>>
97%
35172
57%
**88
95%
Accurate 4064
<<locked>>
92%
55419
89%
**31
100%
Accurate 4350
<<locked>>
97%
49734
80%
**34
99%
Alliant AR-Comp
<<locked>>
85%
55419
89%
**85
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
55564
90%
**64
100%
Alliant Reloder-15
<<locked>>
91%
55593
90%
**70
100%
Alliant Reloder-16
<<locked>>
97%
48385
78%
**41
100%
Alliant Reloder-17 👍
<<locked>>
96%
55535
89%
**59
100%
[Alliant Reloder-19]*
<<locked>>
97%
42134
68%
**13
94%
[Alliant Reloder-22]*
<<locked>>
97%
36796
59%
**51
91%
Alliant Reloder-23
<<locked>>
97%
34563
56%
**24
98%
[Alliant Reloder-25]*
<<locked>>
97%
30879
50%
**26
92%
Alliant Reloder-26
<<locked>>
97%
37869
61%
**39
97%
Baschieri & Pellagri 107
<<locked>>
88%
55796
90%
**74
100%
Hodgdon BL-C2
<<locked>>
86%
55434
89%
**67
100%
Hodgdon Benchmark
<<locked>>
85%
55361
89%
**79
100%
Hodgdon CFE223 👍
<<locked>>
91%
55434
89%
**07
100%
Hodgdon H322
<<locked>>
84%
55767
90%
**05
100%
Hodgdon H380
<<locked>>
92%
55811
90%
**70
100%
Hodgdon H414
<<locked>>
95%
55390
89%
**20
99%
Hodgdon H4350
<<locked>>
97%
47065
76%
**39
96%
Hodgdon Hybrid 100V
<<locked>>
97%
44512
72%
**33
100%
Hodgdon LVR
<<locked>>
97%
53577
86%
**84
99%
Hodgdon Superperformance
<<locked>>
97%
53359
86%
**10
98%
Hodgdon VARGET
<<locked>>
93%
55695
90%
**41
100%
IMR 3031
<<locked>>
90%
55477
89%
**34
100%
IMR 4064
<<locked>>
93%
55419
89%
**28
100%
IMR 4166 Enduron
<<locked>>
94%
55361
89%
**11
98%
IMR 4350
<<locked>>
97%
49922
80%
**85
97%
IMR 4451 Enduron
<<locked>>
95%
55056
89%
**34
98%
IMR 4831
<<locked>>
97%
42119
68%
**10
98%
IMR 4895
<<locked>>
90%
55637
90%
**80
100%
IMR 8208 XBR
<<locked>>
86%
55695
90%
**21
100%
Lovex D073.6
<<locked>>
87%
55303
89%
**31
100%
Lovex S060
<<locked>>
87%
55492
89%
**88
100%
Lovex S062
<<locked>>
91%
54998
89%
**25
100%
Lovex S065
<<locked>>
97%
54012
87%
**25
99%
Lovex S070
<<locked>>
97%
51271
83%
**08
98%
[Lovex S071]*
<<locked>>
97%
29472
47%
**70
92%
Norma 201
<<locked>>
88%
55840
90%
**21
100%
Norma 202
<<locked>>
88%
55738
90%
**15
100%
Norma 203B
<<locked>>
91%
55448
89%
**70
100%
Norma 204
<<locked>>
97%
49850
80%
**15
95%
[Norma MRP]*
<<locked>>
97%
38334
62%
**10
94%
Norma URP
<<locked>>
97%
48863
79%
**25
99%
Ramshot Big Game
<<locked>>
90%
55114
89%
**84
100%
Ramshot Hunter
<<locked>>
97%
48167
78%
**28
98%
Ramshot TAC
<<locked>>
86%
55492
89%
**34
99%
Ramshot Wild Boar
<<locked>>
86%
55709
90%
**61
100%
Ramshot X-Terminator
<<locked>>
83%
55303
89%
**11
100%
ReloadSwiss RS 50
<<locked>>
92%
55767
90%
**48
99%
ReloadSwiss RS 52
<<locked>>
91%
55390
89%
**90
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
54534
88%
**62
100%
ReloadSwiss RS 62
<<locked>>
97%
49617
80%
**61
99%
ReloadSwiss RS 70
<<locked>>
97%
49298
79%
**74
99%
Rottweil R 901
<<locked>>
85%
55506
89%
**88
100%
Rottweil R 902
<<locked>>
90%
55056
89%
**08
100%
Rottweil R 903
<<locked>>
94%
55317
89%
**57
100%
[Rottweil R 904]*
<<locked>>
97%
44469
72%
**97
93%
[Rottweil R 905]*
<<locked>>
97%
40828
66%
**93
93%
Rottweil R 907
<<locked>>
96%
55274
89%
**34
98%
SNPE Vectan SP 11 👍
<<locked>>
94%
55245
89%
**93
100%
SNPE Vectan SP 7
<<locked>>
87%
55332
89%
**31
100%
SNPE Vectan SP 9
<<locked>>
88%
55550
89%
**48
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
55666
90%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
55303
89%
**39
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
54375
88%
**82
98%
Shooters World Long Rifle
<<locked>>
97%
54012
87%
**25
99%
Shooters World Match Rifle
<<locked>>
87%
55303
89%
**31
100%
Shooters World Precision
<<locked>>
91%
54998
89%
**25
100%
Somchem S321
<<locked>>
83%
55869
90%
**41
100%
Somchem S335
<<locked>>
87%
55448
89%
**49
100%
Somchem S341
<<locked>>
87%
55637
90%
**38
100%
Somchem S355
<<locked>>
94%
55245
89%
**54
100%
[Somchem S361]*
<<locked>>
97%
45759
74%
**90
92%
Somchem S365
<<locked>>
97%
44135
71%
**88
100%
Somchem S385
<<locked>>
97%
41191
66%
**83
95%
Vihtavuori N130
<<locked>>
84%
55245
89%
**10
100%
Vihtavuori N133
<<locked>>
89%
55187
89%
**26
100%
Vihtavuori N135
<<locked>>
96%
55434
89%
**82
100%
Vihtavuori N140
<<locked>>
90%
55608
90%
**92
100%
Vihtavuori N150
<<locked>>
97%
50894
82%
**69
100%
Vihtavuori N160
<<locked>>
97%
54462
88%
**57
100%
Vihtavuori N530
<<locked>>
84%
54998
89%
**21
100%
Vihtavuori N540
<<locked>>
90%
55274
89%
**18
100%
Vihtavuori N550 👍
<<locked>>
97%
54752
88%
**07
100%
Vihtavuori N555
<<locked>>
97%
37275
60%
**83
98%
Winchester 6.5 StaBALL
<<locked>>
97%
52257
84%
**11
100%
Winchester 748
<<locked>>
83%
55593
90%
**61
100%
Winchester 760
<<locked>>
95%
55390
89%
**20
99%
Winchester StaBALL HD
<<locked>>
97%
30719
49%
**05
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45484
73%
**16
100%
ADI AR 2208
<<locked>>
81%
38769
62%
**88
98%
[ADI AR 2209]*
<<locked>>
90%
35056
56%
**62
90%
Accurate 2015
<<locked>>
81%
51314
83%
**00
100%
Accurate 2200
<<locked>>
81%
47761
77%
**16
99%
Accurate 2495
<<locked>>
81%
47065
76%
**06
100%
Accurate 2520
<<locked>>
81%
47456
76%
**33
100%
[Accurate 2700]*
<<locked>>
81%
36985
60%
**06
93%
[Accurate 3100]*
<<locked>>
88%
26208
42%
**88
90%
Accurate 4064
<<locked>>
81%
39653
64%
**15
100%
[Accurate 4350]*
<<locked>>
81%
28718
46%
**60
94%
Alliant AR-Comp
<<locked>>
81%
48008
77%
**00
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
38218
62%
**05
99%
Alliant Reloder-15
<<locked>>
81%
41162
66%
**60
99%
[Alliant Reloder-16]*
<<locked>>
81%
29718
48%
**73
94%
Alliant Reloder-17
<<locked>>
81%
32953
53%
**85
98%
[Alliant Reloder-19]*
<<locked>>
90%
34301
55%
**52
90%
[Alliant Reloder-22]*
<<locked>>
95%
34127
55%
**92
90%
[Alliant Reloder-23]*
<<locked>>
81%
21756
35%
**70
90%
[Alliant Reloder-25]*
<<locked>>
94%
28456
46%
**60
90%
[Alliant Reloder-26]*
<<locked>>
86%
26368
42%
**47
90%
Baschieri & Pellagri 107
<<locked>>
81%
44715
72%
**20
99%
Hodgdon BL-C2
<<locked>>
81%
47398
76%
**62
100%
Hodgdon Benchmark
<<locked>>
81%
49414
80%
**03
100%
Hodgdon CFE223
<<locked>>
81%
39175
63%
**60
98%
Hodgdon H322
<<locked>>
81%
50662
82%
**43
100%
Hodgdon H380
<<locked>>
81%
38899
63%
**15
97%
[Hodgdon H414]*
<<locked>>
81%
34142
55%
**69
93%
[Hodgdon H4350]*
<<locked>>
83%
30980
50%
**37
90%
Hodgdon Hybrid 100V
<<locked>>
81%
27340
44%
**98
95%
[Hodgdon LVR]*
<<locked>>
81%
32140
52%
**16
94%
[Hodgdon Superperformance]*
<<locked>>
82%
31560
51%
**16
90%
Hodgdon VARGET
<<locked>>
81%
38377
62%
**82
98%
IMR 3031
<<locked>>
81%
41756
67%
**60
100%
IMR 4064
<<locked>>
81%
37927
61%
**65
98%
[IMR 4166 Enduron]*
<<locked>>
81%
37971
61%
**39
94%
[IMR 4350]*
<<locked>>
81%
30850
50%
**34
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35926
58%
**26
93%
[IMR 4831]*
<<locked>>
81%
25715
41%
**69
92%
IMR 4895
<<locked>>
81%
42076
68%
**90
99%
IMR 8208 XBR
<<locked>>
81%
47601
77%
**16
100%
Lovex D073.6
<<locked>>
81%
44541
72%
**93
100%
Lovex S060
<<locked>>
81%
45672
74%
**57
100%
Lovex S062
<<locked>>
81%
40596
65%
**18
100%
[Lovex S065]*
<<locked>>
81%
33228
54%
**83
94%
[Lovex S070]*
<<locked>>
81%
31285
50%
**57
92%
[Lovex S071]*
<<locked>>
93%
26078
42%
**85
90%
Norma 201
<<locked>>
81%
44614
72%
**74
100%
Norma 202
<<locked>>
81%
44788
72%
**77
100%
Norma 203B
<<locked>>
81%
40393
65%
**51
99%
[Norma 204]*
<<locked>>
86%
34838
56%
**49
90%
[Norma MRP]*
<<locked>>
91%
31198
50%
**52
90%
[Norma URP]*
<<locked>>
81%
29530
48%
**70
94%
Ramshot Big Game
<<locked>>
81%
40001
64%
**67
99%
[Ramshot Hunter]*
<<locked>>
81%
29080
47%
**51
91%
Ramshot TAC
<<locked>>
81%
47659
77%
**29
98%
Ramshot Wild Boar
<<locked>>
81%
47152
76%
**46
100%
Ramshot X-Terminator
<<locked>>
81%
51329
83%
**59
100%
ReloadSwiss RS 50
<<locked>>
81%
39363
63%
**01
96%
ReloadSwiss RS 52
<<locked>>
81%
39189
63%
**60
100%
ReloadSwiss RS 60
<<locked>>
81%
32082
52%
**72
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
28747
46%
**73
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
29225
47%
**70
92%
Rottweil R 901
<<locked>>
81%
48646
78%
**03
100%
Rottweil R 902
<<locked>>
81%
42395
68%
**28
100%
Rottweil R 903
<<locked>>
81%
35578
57%
**65
99%
[Rottweil R 904]*
<<locked>>
92%
37956
61%
**85
90%
[Rottweil R 905]*
<<locked>>
91%
33330
54%
**46
90%
[Rottweil R 907]*
<<locked>>
81%
34490
56%
**96
92%
SNPE Vectan SP 11
<<locked>>
81%
36492
59%
**08
98%
SNPE Vectan SP 7
<<locked>>
81%
45847
74%
**03
98%
SNPE Vectan SP 9
<<locked>>
81%
43932
71%
**87
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
46050
74%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38174
61%
**16
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
32097
52%
**31
92%
[Shooters World Long Rifle]*
<<locked>>
81%
33228
54%
**83
94%
Shooters World Match Rifle
<<locked>>
81%
44541
72%
**93
100%
Shooters World Precision
<<locked>>
81%
40596
65%
**18
100%
Somchem S321
<<locked>>
81%
51779
83%
**85
100%
Somchem S335
<<locked>>
81%
45629
73%
**28
100%
Somchem S341
<<locked>>
81%
45643
74%
**03
100%
Somchem S355
<<locked>>
81%
36579
59%
**69
99%
[Somchem S361]*
<<locked>>
94%
41205
66%
**18
90%
Somchem S365
<<locked>>
81%
26382
43%
**28
97%
[Somchem S385]*
<<locked>>
88%
30342
49%
**70
90%
Vihtavuori N130
<<locked>>
81%
51039
82%
**64
100%
Vihtavuori N133
<<locked>>
81%
43279
70%
**78
100%
Vihtavuori N135
<<locked>>
81%
35578
57%
**13
100%
Vihtavuori N140
<<locked>>
81%
42047
68%
**15
100%
Vihtavuori N150
<<locked>>
81%
31009
50%
**41
98%
Vihtavuori N160
<<locked>>
81%
31966
52%
**93
95%
Vihtavuori N530
<<locked>>
81%
50125
81%
**59
100%
Vihtavuori N540
<<locked>>
81%
41394
67%
**31
100%
Vihtavuori N550
<<locked>>
81%
32532
52%
**36
95%
[Vihtavuori N555]*
<<locked>>
81%
22510
36%
**23
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30864
50%
**54
97%
Winchester 748
<<locked>>
81%
51169
82%
**05
100%
[Winchester 760]*
<<locked>>
81%
34142
55%
**69
93%
[Winchester StaBALL HD]*
<<locked>>
87%
22989
37%
**49
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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