top of page

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

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.375 Blaser Mag + .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 Blaser Mag load data
Case Length (l3):
2.814" | 71.5mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.452" | 11.5mm
Shank Seated Depth:
0.452" | 11.5mm
Case Capacity:
107.5 Grains of Water | 6.98 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B2813_C536
Last updated:
2025-01-01

Load data for 162 loads in caliber .375 Blaser Mag with .375 | 300gr | Hornady InterLock RN bullet and 81 powders such as Alliant Reloder-16, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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

  • .

    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 2208
<<locked>>
88%
54273
89%
**43
100%
ADI AR 2209
<<locked>>
97%
49414
81%
**52
97%
[ADI AR 2213]*
<<locked>>
97%
44222
73%
**80
93%
Accurate 2700
<<locked>>
89%
54143
89%
**00
98%
Accurate 3100
<<locked>>
97%
42554
70%
**18
98%
Accurate 4064
<<locked>>
86%
54360
89%
**20
100%
Accurate 4350
<<locked>>
94%
54447
89%
**12
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
54505
89%
**56
100%
Alliant Reloder-15
<<locked>>
86%
54549
90%
**72
100%
Alliant Reloder-16 👍
<<locked>>
96%
54230
89%
**44
100%
Alliant Reloder-17
<<locked>>
91%
54302
89%
**64
100%
Alliant Reloder-19
<<locked>>
97%
48878
80%
**46
97%
Alliant Reloder-22
<<locked>>
97%
42670
70%
**80
95%
Alliant Reloder-23
<<locked>>
97%
40567
67%
**48
100%
Alliant Reloder-25
<<locked>>
97%
35404
58%
**52
96%
Alliant Reloder-26
<<locked>>
97%
45107
74%
**95
99%
Hodgdon CFE223
<<locked>>
86%
54810
90%
**15
100%
Hodgdon H380
<<locked>>
87%
54636
90%
**72
100%
Hodgdon H414 👍
<<locked>>
90%
54607
90%
**31
99%
Hodgdon H4350
<<locked>>
97%
53983
89%
**66
98%
[Hodgdon H4831]*
<<locked>>
97%
41278
68%
**85
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
46195
76%
**74
93%
Hodgdon Hybrid 100V
<<locked>>
97%
52388
86%
**52
100%
Hodgdon LVR
<<locked>>
93%
54578
90%
**08
100%
Hodgdon Superperformance
<<locked>>
93%
54636
90%
**67
99%
Hodgdon VARGET
<<locked>>
88%
54273
89%
**43
100%
IMR 3031
<<locked>>
85%
54404
89%
**23
100%
IMR 4064
<<locked>>
89%
54766
90%
**33
100%
IMR 4166 Enduron
<<locked>>
89%
54389
89%
**20
99%
IMR 4350
<<locked>>
95%
54476
89%
**69
98%
IMR 4451 Enduron
<<locked>>
91%
54824
90%
**52
99%
IMR 4831
<<locked>>
97%
49777
82%
**33
100%
IMR 4895
<<locked>>
85%
54534
90%
**82
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46122
76%
**41
94%
[IMR 7828 SSC]*
<<locked>>
97%
45397
75%
**13
94%
Lovex S060
<<locked>>
83%
54679
90%
**93
100%
Lovex S062
<<locked>>
86%
54708
90%
**30
100%
Lovex S065
<<locked>>
93%
54679
90%
**52
100%
Lovex S070
<<locked>>
94%
54607
90%
**72
99%
Lovex S071
<<locked>>
97%
35810
59%
**93
96%
Norma 201
<<locked>>
83%
54592
90%
**23
100%
Norma 203B
<<locked>>
86%
54288
89%
**66
100%
Norma 204
<<locked>>
95%
54621
90%
**08
97%
Norma MRP
<<locked>>
97%
45237
74%
**66
97%
Norma URP
<<locked>>
95%
54723
90%
**15
100%
Ramshot Big Game
<<locked>>
86%
54346
89%
**85
100%
Ramshot Hunter 👍
<<locked>>
96%
54114
89%
**31
99%
Ramshot Magnum
<<locked>>
97%
41263
68%
**38
95%
ReloadSwiss RS 50
<<locked>>
87%
54650
90%
**59
99%
ReloadSwiss RS 52
<<locked>>
86%
54491
89%
**85
100%
ReloadSwiss RS 60
<<locked>>
92%
54302
89%
**80
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
54636
90%
**44
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
54476
89%
**84
100%
Rottweil R 902
<<locked>>
85%
54592
90%
**13
100%
Rottweil R 903
<<locked>>
90%
54534
90%
**62
100%
Rottweil R 904
<<locked>>
97%
51532
85%
**30
96%
Rottweil R 905
<<locked>>
97%
47456
78%
**26
97%
Rottweil R 907
<<locked>>
91%
54418
89%
**49
98%
SNPE Vectan SP 11
<<locked>>
88%
54389
89%
**92
100%
SNPE Vectan SP 9
<<locked>>
84%
54592
90%
**52
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
54462
89%
**34
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
54694
90%
**10
99%
Shooters World Long Rifle
<<locked>>
93%
54679
90%
**52
100%
Shooters World Precision
<<locked>>
86%
54708
90%
**30
100%
Somchem S355
<<locked>>
89%
54346
89%
**56
100%
Somchem S361
<<locked>>
97%
53098
87%
**26
95%
Somchem S365
<<locked>>
97%
52373
86%
**12
100%
Somchem S385
<<locked>>
97%
48269
79%
**10
97%
Vihtavuori N133
<<locked>>
85%
54737
90%
**25
100%
Vihtavuori N135
<<locked>>
91%
54824
90%
**80
100%
Vihtavuori N140
<<locked>>
85%
54650
90%
**84
100%
Vihtavuori N150
<<locked>>
94%
54360
89%
**16
100%
Vihtavuori N160
<<locked>>
92%
54636
90%
**82
100%
Vihtavuori N165
<<locked>>
97%
40045
66%
**56
95%
Vihtavuori N540
<<locked>>
86%
54592
90%
**20
100%
Vihtavuori N550
<<locked>>
92%
54795
90%
**18
100%
Vihtavuori N555
<<locked>>
97%
44991
74%
**13
100%
[Vihtavuori N560]*
<<locked>>
97%
43424
71%
**03
93%
Winchester 6.5 StaBALL
<<locked>>
94%
54752
90%
**66
100%
Winchester 760
<<locked>>
90%
54607
90%
**31
99%
Winchester StaBALL HD
<<locked>>
97%
35998
59%
**64
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44063
72%
**85
99%
[ADI AR 2209]*
<<locked>>
84%
32547
53%
**11
90%
[ADI AR 2213]*
<<locked>>
91%
37260
61%
**29
90%
Accurate 2700
<<locked>>
81%
42090
69%
**10
96%
[Accurate 3100]*
<<locked>>
81%
24961
41%
**24
90%
Accurate 4064
<<locked>>
81%
45919
75%
**02
100%
Accurate 4350
<<locked>>
81%
34389
56%
**74
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
44106
72%
**05
100%
Alliant Reloder-15
<<locked>>
81%
47108
77%
**61
100%
Alliant Reloder-16
<<locked>>
81%
34098
56%
**80
97%
Alliant Reloder-17
<<locked>>
81%
38392
63%
**98
100%
[Alliant Reloder-19]*
<<locked>>
83%
31836
52%
**01
90%
[Alliant Reloder-22]*
<<locked>>
88%
31836
52%
**41
90%
[Alliant Reloder-23]*
<<locked>>
81%
24889
41%
**60
94%
[Alliant Reloder-25]*
<<locked>>
87%
26194
43%
**93
90%
[Alliant Reloder-26]*
<<locked>>
81%
26194
43%
**46
92%
Hodgdon CFE223
<<locked>>
81%
45890
75%
**77
99%
Hodgdon H380
<<locked>>
81%
44614
73%
**18
99%
Hodgdon H414
<<locked>>
81%
39798
65%
**79
96%
[Hodgdon H4350]*
<<locked>>
81%
33112
54%
**85
92%
[Hodgdon H4831]*
<<locked>>
94%
37710
62%
**13
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
37710
62%
**13
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31517
52%
**88
98%
Hodgdon LVR
<<locked>>
81%
37391
61%
**23
97%
[Hodgdon Superperformance]*
<<locked>>
81%
35607
58%
**16
94%
Hodgdon VARGET
<<locked>>
81%
43598
72%
**75
99%
IMR 3031
<<locked>>
81%
48196
79%
**41
100%
IMR 4064
<<locked>>
81%
43149
71%
**59
100%
IMR 4166 Enduron
<<locked>>
81%
42743
70%
**33
97%
[IMR 4350]*
<<locked>>
81%
34925
57%
**24
93%
IMR 4451 Enduron
<<locked>>
81%
40712
67%
**20
96%
IMR 4831
<<locked>>
81%
30298
50%
**62
96%
IMR 4895
<<locked>>
81%
48225
79%
**90
100%
[IMR 4955 Enduron]*
<<locked>>
89%
36709
60%
**54
90%
[IMR 7828 SSC]*
<<locked>>
91%
36999
61%
**39
90%
Lovex S060
<<locked>>
81%
51126
84%
**48
100%
Lovex S062
<<locked>>
81%
46369
76%
**11
100%
Lovex S065
<<locked>>
81%
38058
62%
**77
97%
Lovex S070
<<locked>>
81%
36332
60%
**57
95%
[Lovex S071]*
<<locked>>
85%
24845
41%
**24
90%
Norma 201
<<locked>>
81%
50604
83%
**64
100%
Norma 203B
<<locked>>
81%
46470
76%
**48
100%
[Norma 204]*
<<locked>>
81%
34098
56%
**41
91%
[Norma MRP]*
<<locked>>
84%
29196
48%
**98
90%
Norma URP
<<locked>>
81%
34476
57%
**70
97%
Ramshot Big Game
<<locked>>
81%
46528
76%
**74
100%
Ramshot Hunter
<<locked>>
81%
33576
55%
**57
95%
[Ramshot Magnum]*
<<locked>>
89%
31256
51%
**08
90%
ReloadSwiss RS 50
<<locked>>
81%
44933
74%
**05
98%
ReloadSwiss RS 52
<<locked>>
81%
45890
75%
**67
100%
ReloadSwiss RS 60
<<locked>>
81%
37231
61%
**88
100%
ReloadSwiss RS 62
<<locked>>
81%
33997
56%
**87
97%
ReloadSwiss RS 70
<<locked>>
81%
33634
55%
**87
96%
Rottweil R 902
<<locked>>
81%
48312
79%
**21
100%
Rottweil R 903
<<locked>>
81%
41539
68%
**65
100%
[Rottweil R 904]*
<<locked>>
84%
34606
57%
**21
90%
[Rottweil R 905]*
<<locked>>
84%
30951
51%
**85
90%
Rottweil R 907
<<locked>>
81%
39233
64%
**93
95%
SNPE Vectan SP 11
<<locked>>
81%
42467
70%
**08
100%
SNPE Vectan SP 9
<<locked>>
81%
49995
82%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43308
71%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
37289
61%
**21
95%
Shooters World Long Rifle
<<locked>>
81%
38058
62%
**77
97%
Shooters World Precision
<<locked>>
81%
46369
76%
**11
100%
Somchem S355
<<locked>>
81%
41989
69%
**62
100%
[Somchem S361]*
<<locked>>
86%
37463
61%
**60
90%
Somchem S365
<<locked>>
81%
31082
51%
**34
99%
[Somchem S385]*
<<locked>>
81%
28892
47%
**19
90%
Vihtavuori N133
<<locked>>
81%
48704
80%
**46
100%
Vihtavuori N135
<<locked>>
81%
40973
67%
**87
100%
Vihtavuori N140
<<locked>>
81%
47747
78%
**95
100%
Vihtavuori N150
<<locked>>
81%
35911
59%
**28
100%
Vihtavuori N160
<<locked>>
81%
37521
62%
**00
98%
[Vihtavuori N165]*
<<locked>>
87%
30023
49%
**33
90%
Vihtavuori N540
<<locked>>
81%
47427
78%
**18
100%
Vihtavuori N550
<<locked>>
81%
37855
62%
**39
98%
Vihtavuori N555
<<locked>>
81%
26760
44%
**26
95%
[Vihtavuori N560]*
<<locked>>
92%
37579
62%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35288
58%
**44
99%
Winchester 760
<<locked>>
81%
39798
65%
**79
96%
[Winchester StaBALL HD]*
<<locked>>
81%
21843
36%
**05
91%

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.

bottom of page