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Load data for .375 Ruger + .375 | 300gr | Hornady InterLock RN

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, Vihtavuori N550, Winchester 760

.375 Ruger + .375 | 300gr | Hornady InterLock RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Hornady InterLock RN
Manufacturer SKU:
3720
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.184" | 30.1mm
Caliber:
.375 Ruger load data
Case Length (l3):
2.572" | 65.3mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.466" | 11.8mm
Shank Seated Depth:
0.466" | 11.8mm
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_B2813_C561
Last updated:
2025-01-01

Load data for 190 loads in caliber .375 Ruger with .375 | 300gr | Hornady InterLock RN bullet and 95 powders such as Alliant Reloder-16, Hodgdon H414, 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%
55434
89%
**74
100%
ADI AR 2208
<<locked>>
91%
55492
89%
**67
100%
ADI AR 2209
<<locked>>
97%
46079
74%
**98
95%
Accurate 2200
<<locked>>
84%
55753
90%
**54
100%
Accurate 2495
<<locked>>
84%
55332
89%
**25
100%
Accurate 2520
<<locked>>
83%
55129
89%
**51
100%
Accurate 2700
<<locked>>
91%
55506
89%
**21
98%
Accurate 3100
<<locked>>
97%
39044
63%
**77
97%
Accurate 4064
<<locked>>
89%
55405
89%
**48
100%
Accurate 4350
<<locked>>
97%
54491
88%
**23
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
55825
90%
**87
100%
Alliant Reloder-15
<<locked>>
88%
55593
90%
**97
100%
Alliant Reloder-16 👍
<<locked>>
97%
52286
84%
**26
100%
Alliant Reloder-17
<<locked>>
94%
55579
90%
**79
100%
Alliant Reloder-19
<<locked>>
97%
45614
73%
**98
95%
[Alliant Reloder-22]*
<<locked>>
97%
39653
64%
**39
94%
Alliant Reloder-23
<<locked>>
97%
37550
60%
**10
99%
[Alliant Reloder-25]*
<<locked>>
97%
32866
53%
**01
94%
Alliant Reloder-26
<<locked>>
97%
41437
67%
**38
99%
Baschieri & Pellagri 107
<<locked>>
85%
55463
89%
**93
100%
Hodgdon BL-C2
<<locked>>
83%
55114
89%
**84
100%
Hodgdon CFE223
<<locked>>
89%
55288
89%
**26
100%
Hodgdon H380
<<locked>>
90%
55390
89%
**93
100%
Hodgdon H414 👍
<<locked>>
93%
55608
90%
**43
99%
Hodgdon H4350
<<locked>>
97%
50531
81%
**21
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
43366
70%
**29
92%
Hodgdon Hybrid 100V
<<locked>>
97%
48472
78%
**15
100%
Hodgdon LVR
<<locked>>
95%
55245
89%
**26
100%
Hodgdon Superperformance
<<locked>>
96%
55680
90%
**72
99%
Hodgdon VARGET
<<locked>>
91%
55637
90%
**67
100%
IMR 3031
<<locked>>
88%
55288
89%
**54
100%
IMR 4064
<<locked>>
91%
55419
89%
**54
100%
IMR 4166 Enduron
<<locked>>
92%
55332
89%
**41
99%
IMR 4350
<<locked>>
97%
53185
86%
**54
98%
IMR 4451 Enduron
<<locked>>
93%
55593
90%
**70
99%
IMR 4831
<<locked>>
97%
46093
74%
**92
99%
IMR 4895
<<locked>>
88%
55608
90%
**07
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43076
69%
**97
92%
[IMR 7828 SSC]*
<<locked>>
97%
42105
68%
**56
92%
IMR 8208 XBR
<<locked>>
84%
55695
90%
**48
100%
Lovex D073.6
<<locked>>
85%
55129
89%
**51
100%
Lovex S060
<<locked>>
86%
55724
90%
**25
100%
Lovex S062
<<locked>>
89%
55463
89%
**54
100%
Lovex S065
<<locked>>
95%
55216
89%
**64
99%
Lovex S070
<<locked>>
97%
55259
89%
**87
99%
[Lovex S071]*
<<locked>>
97%
32503
52%
**52
94%
Norma 201
<<locked>>
86%
55869
90%
**44
100%
Norma 202
<<locked>>
86%
55521
89%
**34
100%
Norma 203B
<<locked>>
89%
55593
90%
**97
100%
Norma 204
<<locked>>
97%
54027
87%
**00
97%
Norma MRP
<<locked>>
97%
41669
67%
**05
96%
Norma URP
<<locked>>
97%
53345
86%
**13
100%
Ramshot Big Game
<<locked>>
88%
55303
89%
**10
100%
Ramshot Hunter
<<locked>>
97%
52388
84%
**10
99%
[Ramshot Magnum]*
<<locked>>
97%
37710
61%
**67
93%
Ramshot TAC
<<locked>>
84%
55767
90%
**67
100%
Ramshot Wild Boar
<<locked>>
84%
55419
89%
**80
100%
ReloadSwiss RS 50
<<locked>>
90%
55506
89%
**74
99%
ReloadSwiss RS 52
<<locked>>
89%
55651
90%
**13
100%
ReloadSwiss RS 60
<<locked>>
95%
55695
90%
**98
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
54288
87%
**46
100%
ReloadSwiss RS 70
<<locked>>
97%
53200
86%
**59
100%
Rottweil R 901
<<locked>>
83%
55274
89%
**08
100%
Rottweil R 902
<<locked>>
88%
55608
90%
**34
100%
Rottweil R 903
<<locked>>
92%
55172
89%
**77
100%
[Rottweil R 904]*
<<locked>>
97%
47848
77%
**82
94%
Rottweil R 905
<<locked>>
97%
43743
70%
**72
95%
Rottweil R 907
<<locked>>
94%
55767
90%
**70
98%
SNPE Vectan SP 11
<<locked>>
91%
55390
89%
**16
100%
SNPE Vectan SP 7
<<locked>>
85%
55347
89%
**61
100%
SNPE Vectan SP 9
<<locked>>
86%
55782
90%
**74
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
55477
89%
**65
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
55506
89%
**65
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
55521
89%
**31
99%
Shooters World Long Rifle
<<locked>>
95%
55216
89%
**64
99%
Shooters World Match Rifle
<<locked>>
85%
55129
89%
**51
100%
Shooters World Precision
<<locked>>
89%
55463
89%
**54
100%
Somchem S335
<<locked>>
86%
55782
90%
**79
100%
Somchem S341
<<locked>>
85%
55767
90%
**64
100%
Somchem S355
<<locked>>
92%
55448
89%
**74
100%
[Somchem S361]*
<<locked>>
97%
49110
79%
**69
94%
Somchem S365
<<locked>>
97%
47950
77%
**67
100%
Somchem S385
<<locked>>
97%
44802
72%
**65
96%
Vihtavuori N133
<<locked>>
87%
55506
89%
**52
100%
Vihtavuori N135
<<locked>>
93%
55564
90%
**02
100%
Vihtavuori N140
<<locked>>
88%
55201
89%
**11
100%
Vihtavuori N150
<<locked>>
97%
54404
88%
**31
100%
Vihtavuori N160
<<locked>>
95%
55477
89%
**93
100%
[Vihtavuori N165]*
<<locked>>
97%
37362
60%
**21
93%
Vihtavuori N540
<<locked>>
88%
55303
89%
**41
100%
Vihtavuori N550 👍
<<locked>>
95%
55622
90%
**39
100%
Vihtavuori N555
<<locked>>
97%
41176
66%
**69
99%
Winchester 6.5 StaBALL
<<locked>>
97%
55506
89%
**74
100%
Winchester 760 👍
<<locked>>
93%
55608
90%
**43
99%
Winchester StaBALL HD
<<locked>>
97%
33402
54%
**13
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48515
78%
**85
100%
ADI AR 2208
<<locked>>
81%
41249
66%
**57
99%
[ADI AR 2209]*
<<locked>>
86%
33272
54%
**52
90%
Accurate 2200
<<locked>>
81%
50604
82%
**82
100%
Accurate 2495
<<locked>>
81%
50488
81%
**69
100%
Accurate 2520
<<locked>>
81%
51024
82%
**02
100%
[Accurate 2700]*
<<locked>>
81%
39407
63%
**82
94%
[Accurate 3100]*
<<locked>>
84%
25164
41%
**75
90%
Accurate 4064
<<locked>>
81%
42612
69%
**77
100%
Accurate 4350
<<locked>>
81%
31444
51%
**42
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
40857
66%
**70
100%
Alliant Reloder-15
<<locked>>
81%
43976
71%
**29
99%
Alliant Reloder-16
<<locked>>
81%
31821
51%
**52
96%
Alliant Reloder-17
<<locked>>
81%
35621
57%
**60
99%
[Alliant Reloder-19]*
<<locked>>
86%
32460
52%
**42
90%
[Alliant Reloder-22]*
<<locked>>
91%
32967
53%
**92
90%
[Alliant Reloder-23]*
<<locked>>
81%
23119
37%
**39
92%
[Alliant Reloder-25]*
<<locked>>
90%
26919
43%
**44
90%
[Alliant Reloder-26]*
<<locked>>
82%
25034
40%
**31
90%
Baschieri & Pellagri 107
<<locked>>
81%
47877
77%
**92
100%
Hodgdon BL-C2
<<locked>>
81%
50705
82%
**31
100%
Hodgdon CFE223
<<locked>>
81%
42496
68%
**46
99%
Hodgdon H380
<<locked>>
81%
41539
67%
**83
98%
Hodgdon H414
<<locked>>
81%
36738
59%
**41
95%
[Hodgdon H4350]*
<<locked>>
81%
30879
50%
**60
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
39175
63%
**54
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29370
47%
**70
97%
Hodgdon LVR
<<locked>>
81%
34606
56%
**88
96%
[Hodgdon Superperformance]*
<<locked>>
81%
32982
53%
**75
92%
Hodgdon VARGET
<<locked>>
81%
40872
66%
**51
99%
IMR 3031
<<locked>>
81%
44860
72%
**23
100%
IMR 4064
<<locked>>
81%
40524
65%
**34
99%
IMR 4166 Enduron
<<locked>>
81%
40335
65%
**08
96%
[IMR 4350]*
<<locked>>
81%
32489
52%
**00
92%
IMR 4451 Enduron
<<locked>>
81%
38145
61%
**92
95%
[IMR 4831]*
<<locked>>
81%
27920
45%
**41
94%
IMR 4895
<<locked>>
81%
45005
72%
**59
100%
[IMR 4955 Enduron]*
<<locked>>
92%
37724
61%
**95
90%
[IMR 7828 SSC]*
<<locked>>
94%
38479
62%
**87
90%
IMR 8208 XBR
<<locked>>
81%
50647
82%
**82
100%
Lovex D073.6
<<locked>>
81%
48051
77%
**62
100%
Lovex S060
<<locked>>
81%
48240
78%
**23
100%
Lovex S062
<<locked>>
81%
43308
70%
**83
100%
Lovex S065
<<locked>>
81%
35563
57%
**49
96%
[Lovex S070]*
<<locked>>
81%
33750
54%
**29
94%
[Lovex S071]*
<<locked>>
89%
25164
41%
**75
90%
Norma 201
<<locked>>
81%
47514
77%
**39
100%
Norma 202
<<locked>>
81%
47892
77%
**39
100%
Norma 203B
<<locked>>
81%
43352
70%
**20
100%
[Norma 204]*
<<locked>>
82%
33083
53%
**39
90%
[Norma MRP]*
<<locked>>
87%
29631
48%
**36
90%
Norma URP
<<locked>>
81%
31879
51%
**46
96%
Ramshot Big Game
<<locked>>
81%
43120
69%
**36
100%
[Ramshot Hunter]*
<<locked>>
81%
31082
50%
**26
93%
[Ramshot Magnum]*
<<locked>>
93%
32924
53%
**65
90%
Ramshot TAC
<<locked>>
81%
50647
82%
**98
99%
Ramshot Wild Boar
<<locked>>
81%
50328
81%
**15
100%
ReloadSwiss RS 50
<<locked>>
81%
42076
68%
**77
97%
ReloadSwiss RS 52
<<locked>>
81%
42482
68%
**36
100%
ReloadSwiss RS 60
<<locked>>
81%
34606
56%
**54
99%
ReloadSwiss RS 62
<<locked>>
81%
31096
50%
**49
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31212
50%
**52
94%
Rottweil R 901
<<locked>>
81%
51532
83%
**62
100%
Rottweil R 902
<<locked>>
81%
45092
73%
**97
100%
Rottweil R 903
<<locked>>
81%
38435
62%
**34
99%
[Rottweil R 904]*
<<locked>>
88%
36332
59%
**82
90%
[Rottweil R 905]*
<<locked>>
87%
31937
51%
**39
90%
[Rottweil R 907]*
<<locked>>
81%
36666
59%
**65
94%
SNPE Vectan SP 11
<<locked>>
81%
39392
63%
**77
99%
SNPE Vectan SP 7
<<locked>>
81%
48965
79%
**75
99%
SNPE Vectan SP 9
<<locked>>
81%
46992
76%
**59
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48820
79%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40901
66%
**75
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34664
56%
**00
94%
Shooters World Long Rifle
<<locked>>
81%
35563
57%
**49
96%
Shooters World Match Rifle
<<locked>>
81%
48051
77%
**62
100%
Shooters World Precision
<<locked>>
81%
43308
70%
**83
100%
Somchem S335
<<locked>>
81%
48283
78%
**87
100%
Somchem S341
<<locked>>
81%
48849
79%
**75
100%
Somchem S355
<<locked>>
81%
39131
63%
**34
99%
[Somchem S361]*
<<locked>>
89%
38479
62%
**01
90%
Somchem S365
<<locked>>
81%
28572
46%
**03
98%
[Somchem S385]*
<<locked>>
84%
29472
47%
**70
90%
Vihtavuori N133
<<locked>>
81%
45992
74%
**38
100%
Vihtavuori N135
<<locked>>
81%
38087
61%
**69
100%
Vihtavuori N140
<<locked>>
81%
44744
72%
**77
100%
Vihtavuori N150
<<locked>>
81%
33475
54%
**10
99%
Vihtavuori N160
<<locked>>
81%
34664
56%
**72
97%
[Vihtavuori N165]*
<<locked>>
91%
30980
50%
**87
90%
Vihtavuori N540
<<locked>>
81%
44454
72%
**00
100%
Vihtavuori N550
<<locked>>
81%
34983
56%
**08
97%
[Vihtavuori N555]*
<<locked>>
81%
24526
40%
**05
93%
Winchester 6.5 StaBALL
<<locked>>
81%
33011
53%
**23
98%
Winchester 760
<<locked>>
81%
36738
59%
**41
95%
[Winchester StaBALL HD]*
<<locked>>
83%
21828
35%
**32
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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