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Load data for .375 Ruger + .375 | 300gr | Speer TBBC

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

.375 Ruger + .375 | 300gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Speer TBBC
Manufacturer SKU:
1780
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.375 Ruger load data
Case Length (l3):
2.572" | 65.3mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B6249_C561
Last updated:
2025-01-01

Load data for 0 loads in caliber .375 Ruger with .375 | 300gr | Speer TBBC bullet and 0 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".

  • 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>>
87%
55753
90%
**54
100%
ADI AR 2208
<<locked>>
93%
55651
90%
**38
100%
[ADI AR 2209]*
<<locked>>
97%
43685
70%
**23
94%
Accurate 2015
<<locked>>
83%
55419
89%
**39
100%
Accurate 2200
<<locked>>
85%
55666
90%
**25
100%
Accurate 2495
<<locked>>
86%
55463
89%
**05
100%
Accurate 2520
<<locked>>
85%
55666
90%
**34
100%
Accurate 2700
<<locked>>
93%
55288
89%
**82
97%
Accurate 3100
<<locked>>
97%
35940
58%
**98
95%
Accurate 4064
<<locked>>
91%
55317
89%
**25
100%
Accurate 4350
<<locked>>
97%
50285
81%
**41
100%
Alliant AR-Comp
<<locked>>
85%
55158
89%
**82
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
55274
89%
**56
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
55187
89%
**57
100%
Alliant Reloder-15
<<locked>>
90%
55390
89%
**64
100%
Alliant Reloder-16
<<locked>>
97%
48834
79%
**48
100%
Alliant Reloder-17 👍
<<locked>>
96%
55390
89%
**56
100%
[Alliant Reloder-19]*
<<locked>>
97%
42554
69%
**13
94%
[Alliant Reloder-22]*
<<locked>>
97%
37086
60%
**51
92%
Alliant Reloder-23
<<locked>>
97%
34925
56%
**24
98%
[Alliant Reloder-25]*
<<locked>>
97%
31212
50%
**29
92%
Alliant Reloder-26
<<locked>>
97%
38203
62%
**43
97%
Baschieri & Pellagri 107
<<locked>>
87%
55637
90%
**67
100%
Bofors RP3
<<locked>>
92%
55564
90%
**64
100%
[Bofors RP5]*
<<locked>>
97%
37086
60%
**51
92%
Bofors RP7
<<locked>>
96%
55782
90%
**41
98%
Hodgdon BL-C2
<<locked>>
85%
55056
89%
**61
100%
Hodgdon Benchmark
<<locked>>
85%
55782
90%
**82
100%
Hodgdon CFE223 👍
<<locked>>
90%
55259
89%
**03
100%
Hodgdon H322
<<locked>>
84%
55332
89%
**98
100%
Hodgdon H380
<<locked>>
92%
55608
90%
**64
100%
Hodgdon H414
<<locked>>
95%
55738
90%
**16
99%
Hodgdon H4350
<<locked>>
97%
47355
76%
**46
96%
Hodgdon H4895
<<locked>>
87%
55579
90%
**54
100%
Hodgdon Hybrid 100V
<<locked>>
97%
44962
72%
**39
100%
Hodgdon LVR 👍
<<locked>>
97%
54099
87%
**80
99%
Hodgdon Superperformance
<<locked>>
97%
54244
87%
**20
98%
Hodgdon VARGET
<<locked>>
93%
55317
89%
**34
100%
IMR 3031
<<locked>>
89%
55027
89%
**28
100%
IMR 4064
<<locked>>
93%
55709
90%
**31
100%
IMR 4166 Enduron
<<locked>>
94%
55666
90%
**15
98%
IMR 4350
<<locked>>
97%
50198
81%
**82
97%
IMR 4451 Enduron
<<locked>>
95%
55521
89%
**34
98%
IMR 4831
<<locked>>
97%
42743
69%
**16
99%
IMR 4895
<<locked>>
89%
55230
89%
**74
100%
IMR 8208 XBR
<<locked>>
86%
55303
89%
**15
100%
Lovex D073.6
<<locked>>
87%
55825
90%
**34
100%
Lovex S060
<<locked>>
87%
55274
89%
**85
100%
Lovex S062
<<locked>>
91%
55492
89%
**25
100%
Lovex S065
<<locked>>
97%
54520
88%
**25
99%
Lovex S070
<<locked>>
97%
52257
84%
**18
98%
[Lovex S071]*
<<locked>>
97%
30124
49%
**80
92%
Norma 201
<<locked>>
88%
55767
90%
**18
100%
Norma 202
<<locked>>
87%
55332
89%
**08
100%
Norma 203B
<<locked>>
91%
55245
89%
**64
100%
Norma 204
<<locked>>
97%
50343
81%
**21
96%
[Norma MRP]*
<<locked>>
97%
38740
62%
**20
94%
Norma URP
<<locked>>
97%
50227
81%
**38
99%
Ramshot Big Game
<<locked>>
90%
55622
90%
**84
100%
Ramshot Hunter
<<locked>>
97%
48646
78%
**28
98%
Ramshot TAC
<<locked>>
85%
55332
89%
**31
99%
Ramshot Wild Boar
<<locked>>
86%
55550
89%
**54
100%
ReloadSwiss RS 50
<<locked>>
91%
55405
89%
**41
99%
ReloadSwiss RS 52
<<locked>>
88%
55172
89%
**20
100%
ReloadSwiss RS 60
<<locked>>
94%
55724
90%
**59
100%
ReloadSwiss RS 62
<<locked>>
97%
50154
81%
**67
99%
ReloadSwiss RS 70
<<locked>>
97%
49792
80%
**84
99%
Rottweil R 901
<<locked>>
85%
55521
89%
**85
100%
Rottweil R 902
<<locked>>
90%
55535
89%
**08
100%
Rottweil R 903
<<locked>>
94%
55854
90%
**61
100%
[Rottweil R 904]*
<<locked>>
97%
44904
72%
**03
93%
[Rottweil R 905]*
<<locked>>
97%
41278
66%
**03
94%
Rottweil R 907
<<locked>>
96%
55782
90%
**41
98%
SNPE Vectan SP 11 👍
<<locked>>
94%
55753
90%
**90
100%
SNPE Vectan SP 7
<<locked>>
87%
55854
90%
**38
100%
SNPE Vectan SP 9
<<locked>>
88%
55376
89%
**44
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
55434
89%
**39
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
55608
90%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
54752
88%
**88
98%
Shooters World Long Rifle
<<locked>>
97%
54520
88%
**25
99%
Shooters World Match Rifle
<<locked>>
87%
55825
90%
**34
100%
Shooters World Precision
<<locked>>
91%
55492
89%
**25
100%
Somchem S335
<<locked>>
87%
55027
89%
**43
100%
Somchem S341
<<locked>>
86%
55288
89%
**31
100%
Somchem S355
<<locked>>
94%
55753
90%
**51
100%
[Somchem S361]*
<<locked>>
97%
46224
74%
**97
92%
Somchem S365
<<locked>>
97%
44599
72%
**95
100%
Somchem S385
<<locked>>
97%
41495
67%
**83
95%
Vihtavuori N130
<<locked>>
84%
55666
90%
**13
100%
Vihtavuori N133
<<locked>>
89%
55637
90%
**29
100%
Vihtavuori N135
<<locked>>
95%
55187
89%
**75
100%
Vihtavuori N140
<<locked>>
90%
55390
89%
**88
100%
Vihtavuori N150
<<locked>>
97%
51387
83%
**65
100%
Vihtavuori N160
<<locked>>
97%
54998
89%
**64
100%
[Vihtavuori N165]*
<<locked>>
97%
35215
57%
**46
91%
Vihtavuori N530
<<locked>>
84%
55477
89%
**28
100%
Vihtavuori N540
<<locked>>
90%
55434
89%
**15
100%
Vihtavuori N550 👍
<<locked>>
97%
55274
89%
**03
100%
Vihtavuori N555
<<locked>>
97%
37710
61%
**90
98%
Winchester 6.5 StaBALL
<<locked>>
97%
52750
85%
**18
100%
Winchester 760
<<locked>>
95%
55738
90%
**16
99%
Winchester StaBALL HD
<<locked>>
97%
31082
50%
**11
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45890
74%
**13
100%
ADI AR 2208
<<locked>>
81%
39117
63%
**95
98%
[ADI AR 2209]*
<<locked>>
90%
35404
57%
**65
90%
Accurate 2015
<<locked>>
81%
51764
83%
**00
100%
Accurate 2200
<<locked>>
81%
48022
77%
**20
99%
Accurate 2495
<<locked>>
81%
47732
77%
**10
100%
Accurate 2520
<<locked>>
81%
47921
77%
**39
100%
[Accurate 2700]*
<<locked>>
81%
37333
60%
**13
93%
[Accurate 3100]*
<<locked>>
88%
26382
43%
**88
90%
Accurate 4064
<<locked>>
81%
40219
65%
**24
100%
[Accurate 4350]*
<<locked>>
81%
29312
47%
**70
94%
Alliant AR-Comp
<<locked>>
81%
48428
78%
**06
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
41829
67%
**49
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
38595
62%
**11
99%
Alliant Reloder-15
<<locked>>
81%
41553
67%
**64
99%
[Alliant Reloder-16]*
<<locked>>
81%
30110
49%
**80
94%
Alliant Reloder-17
<<locked>>
81%
33286
54%
**85
98%
[Alliant Reloder-19]*
<<locked>>
90%
34316
55%
**49
90%
[Alliant Reloder-22]*
<<locked>>
94%
34258
55%
**92
90%
[Alliant Reloder-23]*
<<locked>>
81%
21959
35%
**67
90%
[Alliant Reloder-25]*
<<locked>>
94%
28703
46%
**57
90%
[Alliant Reloder-26]*
<<locked>>
86%
26455
43%
**54
90%
Baschieri & Pellagri 107
<<locked>>
81%
45136
73%
**23
99%
Bofors RP3
<<locked>>
81%
38464
62%
**18
99%
[Bofors RP5]*
<<locked>>
94%
34258
55%
**92
90%
[Bofors RP7]*
<<locked>>
81%
34824
56%
**96
92%
Hodgdon BL-C2
<<locked>>
81%
47848
77%
**65
100%
Hodgdon Benchmark
<<locked>>
81%
49806
80%
**06
100%
Hodgdon CFE223
<<locked>>
81%
39842
64%
**70
98%
Hodgdon H322
<<locked>>
81%
51097
82%
**49
100%
Hodgdon H380
<<locked>>
81%
39291
63%
**21
97%
[Hodgdon H414]*
<<locked>>
81%
34606
56%
**72
93%
[Hodgdon H4350]*
<<locked>>
83%
30937
50%
**37
90%
Hodgdon H4895
<<locked>>
81%
46267
75%
**26
100%
Hodgdon Hybrid 100V
<<locked>>
81%
27630
45%
**98
95%
Hodgdon LVR
<<locked>>
81%
32460
52%
**23
95%
[Hodgdon Superperformance]*
<<locked>>
81%
31662
51%
**13
90%
Hodgdon VARGET
<<locked>>
81%
38972
63%
**88
98%
IMR 3031
<<locked>>
81%
42148
68%
**60
100%
IMR 4064
<<locked>>
81%
38522
62%
**75
98%
[IMR 4166 Enduron]*
<<locked>>
81%
38305
62%
**39
94%
[IMR 4350]*
<<locked>>
81%
30821
50%
**31
90%
[IMR 4451 Enduron]*
<<locked>>
81%
36376
59%
**33
93%
[IMR 4831]*
<<locked>>
81%
26107
42%
**72
93%
IMR 4895
<<locked>>
81%
42467
68%
**90
99%
IMR 8208 XBR
<<locked>>
81%
47993
77%
**20
100%
Lovex D073.6
<<locked>>
81%
44962
72%
**00
100%
Lovex S060
<<locked>>
81%
46035
74%
**60
100%
Lovex S062
<<locked>>
81%
40973
66%
**24
100%
[Lovex S065]*
<<locked>>
81%
33678
54%
**87
94%
[Lovex S070]*
<<locked>>
81%
31850
51%
**64
92%
[Lovex S071]*
<<locked>>
92%
26121
42%
**82
90%
Norma 201
<<locked>>
81%
45165
73%
**77
100%
Norma 202
<<locked>>
81%
45484
73%
**80
100%
Norma 203B
<<locked>>
81%
40785
66%
**54
99%
[Norma 204]*
<<locked>>
85%
34824
56%
**46
90%
[Norma MRP]*
<<locked>>
90%
31343
50%
**46
90%
[Norma URP]*
<<locked>>
81%
29834
48%
**73
94%
Ramshot Big Game
<<locked>>
81%
40379
65%
**67
99%
[Ramshot Hunter]*
<<locked>>
81%
29385
47%
**54
91%
Ramshot TAC
<<locked>>
81%
48066
77%
**33
98%
Ramshot Wild Boar
<<locked>>
81%
47572
77%
**49
100%
ReloadSwiss RS 50
<<locked>>
81%
39755
64%
**01
96%
ReloadSwiss RS 52
<<locked>>
81%
43569
70%
**52
99%
ReloadSwiss RS 60
<<locked>>
81%
35563
57%
**41
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
29298
47%
**80
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
29631
48%
**83
92%
Rottweil R 901
<<locked>>
81%
49400
80%
**03
100%
Rottweil R 902
<<locked>>
81%
42786
69%
**34
100%
Rottweil R 903
<<locked>>
81%
36085
58%
**69
99%
[Rottweil R 904]*
<<locked>>
91%
37681
61%
**75
90%
[Rottweil R 905]*
<<locked>>
90%
33315
54%
**42
90%
[Rottweil R 907]*
<<locked>>
81%
34824
56%
**96
92%
SNPE Vectan SP 11
<<locked>>
81%
37115
60%
**11
98%
SNPE Vectan SP 7
<<locked>>
81%
46615
75%
**13
99%
SNPE Vectan SP 9
<<locked>>
81%
44324
71%
**93
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
46456
75%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38508
62%
**16
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
32547
52%
**34
92%
[Shooters World Long Rifle]*
<<locked>>
81%
33678
54%
**87
94%
Shooters World Match Rifle
<<locked>>
81%
44962
72%
**00
100%
Shooters World Precision
<<locked>>
81%
40973
66%
**24
100%
Somchem S335
<<locked>>
81%
46021
74%
**34
100%
Somchem S341
<<locked>>
81%
46064
74%
**03
100%
Somchem S355
<<locked>>
81%
36941
60%
**75
99%
[Somchem S361]*
<<locked>>
93%
40930
66%
**11
90%
Somchem S365
<<locked>>
81%
26890
43%
**34
97%
[Somchem S385]*
<<locked>>
87%
30429
49%
**67
90%
Vihtavuori N130
<<locked>>
81%
51445
83%
**64
100%
Vihtavuori N133
<<locked>>
81%
43772
71%
**82
100%
Vihtavuori N135
<<locked>>
81%
35940
58%
**16
100%
Vihtavuori N140
<<locked>>
81%
42438
68%
**18
100%
Vihtavuori N150
<<locked>>
81%
31560
51%
**47
98%
Vihtavuori N160
<<locked>>
81%
32416
52%
**03
95%
[Vihtavuori N165]*
<<locked>>
94%
32721
53%
**90
90%
Vihtavuori N530
<<locked>>
81%
50560
81%
**62
100%
Vihtavuori N540
<<locked>>
81%
42061
68%
**38
100%
Vihtavuori N550
<<locked>>
81%
32866
53%
**39
95%
[Vihtavuori N555]*
<<locked>>
81%
23061
37%
**32
91%
Winchester 6.5 StaBALL
<<locked>>
81%
31285
50%
**57
97%
[Winchester 760]*
<<locked>>
81%
34606
56%
**72
93%
[Winchester StaBALL HD]*
<<locked>>
87%
23061
37%
**46
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.

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

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