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Load data for .375 Ruger + .375 | 300gr | Speer AGS TBSS

Recommended Powder(s): Hodgdon H414, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550, Winchester 760

.375 Ruger + .375 | 300gr | Speer AGS TBSS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Speer AGS TBSS
Manufacturer SKU:
1781
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.200" | 30.5mm
Caliber:
.375 Ruger load data
Case Length (l3):
2.572" | 65.3mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.482" | 12.2mm
Shank Seated Depth:
0.482" | 12.2mm
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_B6248_C561
Last updated:
2025-01-01

Load data for 190 loads in caliber .375 Ruger with .375 | 300gr | Speer AGS TBSS bullet and 95 powders such as Hodgdon H414, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550, Winchester 760. 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>>
85%
55651
90%
**74
100%
ADI AR 2208
<<locked>>
91%
55709
90%
**61
100%
ADI AR 2209
<<locked>>
97%
46398
75%
**02
95%
Accurate 2200
<<locked>>
84%
55303
89%
**44
100%
Accurate 2495
<<locked>>
84%
55738
90%
**25
100%
Accurate 2520
<<locked>>
83%
55579
90%
**51
100%
Accurate 2700
<<locked>>
91%
55056
89%
**15
98%
Accurate 3100
<<locked>>
97%
38914
63%
**70
96%
Accurate 4064
<<locked>>
89%
55854
90%
**51
100%
Accurate 4350
<<locked>>
97%
54143
87%
**16
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
55506
89%
**80
100%
Alliant Reloder-15
<<locked>>
88%
55854
90%
**97
100%
Alliant Reloder-16
<<locked>>
97%
51996
84%
**16
100%
Alliant Reloder-17
<<locked>>
94%
55637
90%
**82
100%
Alliant Reloder-19
<<locked>>
97%
45237
73%
**88
95%
[Alliant Reloder-22]*
<<locked>>
97%
39958
64%
**36
94%
Alliant Reloder-23
<<locked>>
97%
37956
61%
**10
99%
[Alliant Reloder-25]*
<<locked>>
97%
33243
54%
**11
94%
Alliant Reloder-26
<<locked>>
97%
41466
67%
**38
99%
Baschieri & Pellagri 107
<<locked>>
85%
55724
90%
**93
100%
Hodgdon BL-C2
<<locked>>
84%
55550
89%
**87
100%
Hodgdon CFE223
<<locked>>
88%
55303
89%
**26
100%
Hodgdon H380
<<locked>>
90%
55869
90%
**90
100%
Hodgdon H414 👍
<<locked>>
93%
55158
89%
**36
99%
Hodgdon H4350
<<locked>>
97%
50995
82%
**18
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
43714
70%
**26
92%
Hodgdon Hybrid 100V
<<locked>>
97%
48936
79%
**15
100%
Hodgdon LVR 👍
<<locked>>
95%
55767
90%
**30
100%
Hodgdon Superperformance
<<locked>>
95%
55332
89%
**66
99%
Hodgdon VARGET
<<locked>>
91%
55419
89%
**61
100%
IMR 3031
<<locked>>
88%
55608
90%
**54
100%
IMR 4064
<<locked>>
91%
55477
89%
**51
100%
IMR 4166 Enduron
<<locked>>
92%
55274
89%
**34
99%
IMR 4350
<<locked>>
97%
53505
86%
**57
98%
IMR 4451 Enduron
<<locked>>
93%
55709
90%
**70
99%
IMR 4831
<<locked>>
97%
46064
74%
**92
99%
IMR 4895
<<locked>>
87%
55172
89%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43482
70%
**00
92%
[IMR 7828 SSC]*
<<locked>>
97%
42453
68%
**59
92%
IMR 8208 XBR
<<locked>>
84%
55405
89%
**41
100%
Lovex D073.6
<<locked>>
85%
55579
90%
**51
100%
Lovex S060
<<locked>>
85%
55448
89%
**18
100%
Lovex S062
<<locked>>
89%
55854
90%
**54
100%
Lovex S065
<<locked>>
95%
55535
89%
**67
99%
Lovex S070
<<locked>>
97%
55796
90%
**93
99%
[Lovex S071]*
<<locked>>
97%
32895
53%
**56
94%
Norma 201
<<locked>>
86%
55390
89%
**41
100%
Norma 202
<<locked>>
85%
55027
89%
**25
100%
Norma 203B
<<locked>>
89%
55840
90%
**97
100%
Norma 204
<<locked>>
97%
53606
86%
**93
97%
Norma MRP
<<locked>>
97%
41669
67%
**02
96%
Norma URP
<<locked>>
97%
53853
87%
**10
100%
Ramshot Big Game
<<locked>>
88%
55419
89%
**10
100%
Ramshot Hunter
<<locked>>
97%
51982
84%
**03
99%
[Ramshot Magnum]*
<<locked>>
97%
38290
62%
**74
93%
Ramshot TAC
<<locked>>
84%
55724
90%
**61
100%
Ramshot Wild Boar
<<locked>>
84%
55535
89%
**77
100%
ReloadSwiss RS 50
<<locked>>
90%
55825
90%
**74
99%
ReloadSwiss RS 52
<<locked>>
89%
55477
89%
**07
100%
ReloadSwiss RS 60
<<locked>>
95%
55753
90%
**95
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
54041
87%
**39
100%
ReloadSwiss RS 70
<<locked>>
97%
53650
86%
**66
100%
Rottweil R 901
<<locked>>
83%
55013
89%
**05
100%
Rottweil R 902
<<locked>>
87%
55303
89%
**31
100%
Rottweil R 903
<<locked>>
92%
55680
90%
**84
100%
[Rottweil R 904]*
<<locked>>
97%
47993
77%
**82
94%
Rottweil R 905
<<locked>>
97%
44222
71%
**79
95%
Rottweil R 907
<<locked>>
94%
55448
89%
**64
98%
SNPE Vectan SP 11
<<locked>>
91%
55521
89%
**10
100%
SNPE Vectan SP 7
<<locked>>
85%
55811
90%
**64
100%
SNPE Vectan SP 9
<<locked>>
86%
55245
89%
**64
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
55840
90%
**65
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
55724
90%
**65
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
55767
90%
**25
99%
Shooters World Long Rifle
<<locked>>
95%
55535
89%
**67
99%
Shooters World Match Rifle
<<locked>>
85%
55579
90%
**51
100%
Shooters World Precision
<<locked>>
89%
55854
90%
**54
100%
Somchem S335
<<locked>>
85%
55477
89%
**72
100%
Somchem S341
<<locked>>
85%
55579
90%
**57
100%
Somchem S355
<<locked>>
92%
55724
90%
**74
100%
[Somchem S361]*
<<locked>>
97%
49501
80%
**75
94%
Somchem S365
<<locked>>
97%
48080
77%
**67
100%
Somchem S385
<<locked>>
97%
45324
73%
**65
96%
Vihtavuori N133
<<locked>>
87%
55811
90%
**49
100%
Vihtavuori N135
<<locked>>
93%
55767
90%
**02
100%
Vihtavuori N140
<<locked>>
88%
55550
89%
**11
100%
Vihtavuori N150
<<locked>>
97%
54882
88%
**31
100%
Vihtavuori N160
<<locked>>
95%
55361
89%
**90
100%
[Vihtavuori N165]*
<<locked>>
97%
37637
61%
**21
93%
Vihtavuori N540
<<locked>>
88%
55724
90%
**38
100%
Vihtavuori N550 👍
<<locked>>
95%
55347
89%
**26
100%
Vihtavuori N555
<<locked>>
97%
41452
67%
**72
99%
Winchester 6.5 StaBALL
<<locked>>
96%
55332
89%
**70
100%
Winchester 760 👍
<<locked>>
93%
55158
89%
**36
99%
Winchester StaBALL HD
<<locked>>
97%
33533
54%
**10
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48660
78%
**82
100%
ADI AR 2208
<<locked>>
81%
41466
67%
**57
99%
[ADI AR 2209]*
<<locked>>
87%
34127
55%
**65
90%
Accurate 2200
<<locked>>
81%
50763
82%
**82
100%
Accurate 2495
<<locked>>
81%
51010
82%
**69
100%
Accurate 2520
<<locked>>
81%
51401
83%
**02
100%
[Accurate 2700]*
<<locked>>
81%
39711
64%
**75
94%
[Accurate 3100]*
<<locked>>
84%
25266
41%
**72
90%
Accurate 4064
<<locked>>
81%
43033
69%
**80
100%
Accurate 4350
<<locked>>
81%
31676
51%
**46
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
41350
67%
**77
100%
Alliant Reloder-15
<<locked>>
81%
44396
72%
**33
99%
Alliant Reloder-16
<<locked>>
81%
32024
52%
**52
96%
Alliant Reloder-17
<<locked>>
81%
35650
57%
**60
99%
[Alliant Reloder-19]*
<<locked>>
86%
33054
53%
**49
90%
[Alliant Reloder-22]*
<<locked>>
91%
32866
53%
**85
90%
[Alliant Reloder-23]*
<<locked>>
81%
23380
38%
**39
93%
[Alliant Reloder-25]*
<<locked>>
90%
27035
44%
**41
90%
[Alliant Reloder-26]*
<<locked>>
82%
25309
41%
**41
90%
Baschieri & Pellagri 107
<<locked>>
81%
48240
78%
**92
100%
Hodgdon BL-C2
<<locked>>
81%
51111
82%
**28
100%
Hodgdon CFE223
<<locked>>
81%
42714
69%
**43
99%
Hodgdon H380
<<locked>>
81%
41829
67%
**87
98%
Hodgdon H414
<<locked>>
81%
37028
60%
**44
95%
[Hodgdon H4350]*
<<locked>>
81%
31299
50%
**67
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
39595
64%
**54
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29573
48%
**73
97%
Hodgdon LVR
<<locked>>
81%
34853
56%
**92
96%
[Hodgdon Superperformance]*
<<locked>>
81%
33301
54%
**75
92%
Hodgdon VARGET
<<locked>>
81%
41220
66%
**54
99%
IMR 3031
<<locked>>
81%
45049
73%
**20
100%
IMR 4064
<<locked>>
81%
40741
66%
**34
99%
IMR 4166 Enduron
<<locked>>
81%
40176
65%
**01
96%
[IMR 4350]*
<<locked>>
81%
32706
53%
**00
92%
IMR 4451 Enduron
<<locked>>
81%
38377
62%
**95
95%
[IMR 4831]*
<<locked>>
81%
27978
45%
**41
94%
IMR 4895
<<locked>>
81%
45411
73%
**56
100%
[IMR 4955 Enduron]*
<<locked>>
92%
38072
61%
**98
90%
[IMR 7828 SSC]*
<<locked>>
94%
38435
62%
**80
90%
IMR 8208 XBR
<<locked>>
81%
50792
82%
**79
100%
Lovex D073.6
<<locked>>
81%
48370
78%
**65
100%
Lovex S060
<<locked>>
81%
48472
78%
**23
100%
Lovex S062
<<locked>>
81%
43555
70%
**83
100%
Lovex S065
<<locked>>
81%
35781
58%
**49
96%
[Lovex S070]*
<<locked>>
81%
34229
55%
**36
94%
[Lovex S071]*
<<locked>>
89%
25266
41%
**72
90%
Norma 201
<<locked>>
81%
47790
77%
**39
100%
Norma 202
<<locked>>
81%
48182
78%
**39
100%
Norma 203B
<<locked>>
81%
43613
70%
**20
100%
[Norma 204]*
<<locked>>
82%
33359
54%
**42
90%
[Norma MRP]*
<<locked>>
87%
29950
48%
**36
90%
Norma URP
<<locked>>
81%
32213
52%
**46
96%
Ramshot Big Game
<<locked>>
81%
43439
70%
**39
100%
[Ramshot Hunter]*
<<locked>>
81%
31546
51%
**29
93%
[Ramshot Magnum]*
<<locked>>
93%
32793
53%
**59
90%
Ramshot TAC
<<locked>>
81%
50560
81%
**95
99%
Ramshot Wild Boar
<<locked>>
81%
50386
81%
**15
100%
ReloadSwiss RS 50
<<locked>>
81%
42380
68%
**70
97%
ReloadSwiss RS 52
<<locked>>
81%
42786
69%
**33
100%
ReloadSwiss RS 60
<<locked>>
81%
34780
56%
**51
99%
ReloadSwiss RS 62
<<locked>>
81%
31604
51%
**59
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31488
51%
**52
94%
Rottweil R 901
<<locked>>
81%
51953
84%
**65
100%
Rottweil R 902
<<locked>>
81%
45469
73%
**93
100%
Rottweil R 903
<<locked>>
81%
38986
63%
**41
99%
[Rottweil R 904]*
<<locked>>
88%
36027
58%
**69
90%
[Rottweil R 905]*
<<locked>>
87%
32227
52%
**42
90%
[Rottweil R 907]*
<<locked>>
81%
36898
59%
**65
94%
SNPE Vectan SP 11
<<locked>>
81%
39668
64%
**80
99%
SNPE Vectan SP 7
<<locked>>
81%
49342
79%
**79
99%
SNPE Vectan SP 9
<<locked>>
81%
47297
76%
**59
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49066
79%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41104
66%
**75
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35027
56%
**03
94%
Shooters World Long Rifle
<<locked>>
81%
35781
58%
**49
96%
Shooters World Match Rifle
<<locked>>
81%
48370
78%
**65
100%
Shooters World Precision
<<locked>>
81%
43555
70%
**83
100%
Somchem S335
<<locked>>
81%
48544
78%
**87
100%
Somchem S341
<<locked>>
81%
49240
79%
**75
100%
Somchem S355
<<locked>>
81%
39363
63%
**38
99%
[Somchem S361]*
<<locked>>
89%
38885
63%
**98
90%
Somchem S365
<<locked>>
81%
28790
46%
**06
98%
[Somchem S385]*
<<locked>>
84%
29385
47%
**60
90%
Vihtavuori N133
<<locked>>
81%
46166
74%
**38
100%
Vihtavuori N135
<<locked>>
81%
38247
62%
**69
100%
Vihtavuori N140
<<locked>>
81%
44991
72%
**77
100%
Vihtavuori N150
<<locked>>
81%
33779
54%
**13
99%
Vihtavuori N160
<<locked>>
81%
34911
56%
**72
97%
[Vihtavuori N165]*
<<locked>>
91%
30980
50%
**80
90%
Vihtavuori N540
<<locked>>
81%
44744
72%
**00
100%
Vihtavuori N550
<<locked>>
81%
35230
57%
**05
97%
[Vihtavuori N555]*
<<locked>>
81%
24816
40%
**05
93%
Winchester 6.5 StaBALL
<<locked>>
81%
33301
54%
**26
98%
Winchester 760
<<locked>>
81%
37028
60%
**44
95%
[Winchester StaBALL HD]*
<<locked>>
83%
21886
35%
**29
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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