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Load data for .375 H.& H. Mag. + .375 | 300gr | Hornady FMJ RN

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

.375 H.& H. Mag. + .375 | 300gr | Hornady FMJ RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Hornady FMJ RN
Manufacturer SKU:
3727
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.264" | 32.1mm
Caliber:
.375 H.& H. Mag. load data
Case Length (l3):
2.859" | 72.6mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.577" | 14.7mm
Shank Seated Depth:
0.577" | 14.7mm
Case Capacity:
95.3 Grains of Water | 6.19 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B2812_C543
Last updated:
2025-01-01

Load data for 190 loads in caliber .375 H.& H. Mag. with .375 | 300gr | Hornady FMJ RN bullet and 95 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. 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>>
89%
55738
89%
**87
100%
ADI AR 2208
<<locked>>
94%
55796
89%
**74
100%
[ADI AR 2209]*
<<locked>>
97%
41350
66%
**10
92%
Accurate 2015
<<locked>>
85%
55941
90%
**82
100%
Accurate 2200
<<locked>>
87%
55753
89%
**54
100%
Accurate 2495
<<locked>>
87%
55898
90%
**48
100%
Accurate 2520
<<locked>>
87%
55230
89%
**67
100%
Accurate 2700
<<locked>>
95%
56101
90%
**28
97%
[Accurate 3100]*
<<locked>>
97%
33808
54%
**85
93%
Accurate 4064
<<locked>>
93%
55695
89%
**67
100%
Accurate 4350
<<locked>>
97%
47732
77%
**44
99%
Alliant AR-Comp
<<locked>>
87%
55782
89%
**25
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
56014
90%
**03
100%
Alliant Reloder-15
<<locked>>
92%
56014
90%
**07
100%
Alliant Reloder-16
<<locked>>
97%
46949
75%
**48
99%
Alliant Reloder-17 👍
<<locked>>
97%
53606
86%
**75
100%
[Alliant Reloder-19]*
<<locked>>
97%
40770
65%
**10
92%
Alliant Reloder-23
<<locked>>
97%
33344
53%
**15
97%
Alliant Reloder-26
<<locked>>
97%
35853
57%
**20
95%
Baschieri & Pellagri 107
<<locked>>
89%
55956
90%
**10
100%
Hodgdon BL-C2
<<locked>>
87%
55985
90%
**10
100%
Hodgdon Benchmark
<<locked>>
86%
55361
89%
**11
100%
Hodgdon CFE223 👍
<<locked>>
92%
55680
89%
**46
100%
Hodgdon H322
<<locked>>
85%
55680
89%
**38
100%
Hodgdon H380
<<locked>>
93%
55608
89%
**00
99%
Hodgdon H414
<<locked>>
97%
56028
90%
**59
98%
Hodgdon H4350
<<locked>>
97%
45542
73%
**46
95%
Hodgdon Hybrid 100V
<<locked>>
97%
42902
69%
**39
99%
Hodgdon LVR
<<locked>>
97%
51866
83%
**90
99%
Hodgdon Superperformance
<<locked>>
97%
50850
82%
**10
97%
Hodgdon VARGET
<<locked>>
94%
55651
89%
**70
100%
IMR 3031
<<locked>>
91%
55840
90%
**74
100%
IMR 4064
<<locked>>
95%
55898
90%
**64
100%
IMR 4166 Enduron
<<locked>>
95%
55927
90%
**44
98%
IMR 4350
<<locked>>
97%
47718
77%
**79
96%
IMR 4451 Enduron
<<locked>>
96%
55883
90%
**77
98%
IMR 4831
<<locked>>
97%
40466
65%
**10
98%
IMR 4895
<<locked>>
91%
56028
90%
**16
100%
IMR 8208 XBR
<<locked>>
87%
55637
89%
**51
100%
Lovex D073.6
<<locked>>
89%
55622
89%
**70
100%
Lovex S060
<<locked>>
88%
55361
89%
**21
100%
Lovex S062
<<locked>>
92%
55506
89%
**64
100%
Lovex S065
<<locked>>
97%
52301
84%
**31
98%
Lovex S070
<<locked>>
97%
49400
79%
**08
97%
Norma 201
<<locked>>
89%
55550
89%
**48
100%
Norma 202
<<locked>>
89%
55317
89%
**48
100%
Norma 203B
<<locked>>
92%
55854
90%
**07
100%
[Norma 204]*
<<locked>>
97%
47645
76%
**11
94%
[Norma MRP]*
<<locked>>
97%
36666
59%
**97
92%
Norma URP
<<locked>>
97%
47050
75%
**31
99%
Ramshot Big Game 👍
<<locked>>
92%
55898
90%
**26
100%
Ramshot Hunter
<<locked>>
97%
45788
73%
**15
97%
Ramshot TAC
<<locked>>
87%
55825
90%
**70
99%
Ramshot Wild Boar
<<locked>>
87%
56086
90%
**97
100%
Ramshot X-Terminator
<<locked>>
85%
55941
90%
**48
100%
ReloadSwiss RS 40
<<locked>>
83%
55651
89%
**41
100%
ReloadSwiss RS 50
<<locked>>
93%
55564
89%
**77
98%
ReloadSwiss RS 52
<<locked>>
93%
55695
89%
**30
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
52040
83%
**66
100%
ReloadSwiss RS 62
<<locked>>
97%
47021
75%
**61
99%
ReloadSwiss RS 70
<<locked>>
97%
47413
76%
**74
98%
Rottweil R 901
<<locked>>
87%
56086
90%
**21
100%
Rottweil R 902
<<locked>>
91%
56057
90%
**51
100%
Rottweil R 903
<<locked>>
96%
55434
89%
**97
100%
[Rottweil R 905]*
<<locked>>
97%
38856
62%
**83
92%
Rottweil R 907
<<locked>>
97%
54462
87%
**51
97%
SNPE Vectan SP 11 👍
<<locked>>
95%
55521
89%
**33
100%
SNPE Vectan SP 7
<<locked>>
88%
55535
89%
**70
99%
SNPE Vectan SP 9
<<locked>>
90%
55941
90%
**84
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
55637
89%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
55811
89%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
52678
84%
**88
97%
Shooters World Long Rifle
<<locked>>
97%
52301
84%
**31
98%
Shooters World Match Rifle
<<locked>>
89%
55622
89%
**70
100%
Shooters World Precision
<<locked>>
92%
55506
89%
**64
100%
Somchem S321
<<locked>>
84%
55970
90%
**77
100%
Somchem S335
<<locked>>
89%
56014
90%
**88
100%
Somchem S341
<<locked>>
88%
55535
89%
**70
100%
Somchem S355
<<locked>>
96%
55709
89%
**87
100%
Somchem S365
<<locked>>
97%
42018
67%
**85
100%
[Somchem S385]*
<<locked>>
97%
39204
63%
**77
93%
Vihtavuori N130
<<locked>>
85%
55825
90%
**46
100%
Vihtavuori N133
<<locked>>
90%
55332
89%
**59
100%
Vihtavuori N135
<<locked>>
97%
55143
88%
**11
100%
Vihtavuori N140
<<locked>>
91%
56057
90%
**31
100%
Vihtavuori N150
<<locked>>
97%
48805
78%
**72
100%
Vihtavuori N160
<<locked>>
97%
51866
83%
**61
99%
Vihtavuori N530
<<locked>>
85%
55695
89%
**61
100%
Vihtavuori N540
<<locked>>
91%
55709
89%
**57
100%
Vihtavuori N550
<<locked>>
97%
52330
84%
**03
99%
Vihtavuori N555
<<locked>>
97%
35694
57%
**83
97%
Winchester 6.5 StaBALL
<<locked>>
97%
49588
80%
**11
100%
Winchester 748
<<locked>>
84%
55593
89%
**90
100%
Winchester 760
<<locked>>
97%
56028
90%
**59
98%
Winchester StaBALL HD
<<locked>>
97%
29138
47%
**78
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44063
71%
**16
99%
ADI AR 2208
<<locked>>
81%
37536
60%
**85
97%
[ADI AR 2209]*
<<locked>>
93%
37188
60%
**24
90%
Accurate 2015
<<locked>>
81%
50067
80%
**10
100%
Accurate 2200
<<locked>>
81%
46369
74%
**20
98%
Accurate 2495
<<locked>>
81%
45266
73%
**13
100%
Accurate 2520
<<locked>>
81%
45832
73%
**43
100%
[Accurate 2700]*
<<locked>>
81%
35882
58%
**06
92%
[Accurate 3100]*
<<locked>>
91%
27775
45%
**47
90%
Accurate 4064
<<locked>>
81%
38145
61%
**21
100%
[Accurate 4350]*
<<locked>>
81%
27456
44%
**47
93%
Alliant AR-Comp
<<locked>>
81%
46238
74%
**10
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
36869
59%
**05
99%
Alliant Reloder-15
<<locked>>
81%
39784
64%
**57
98%
[Alliant Reloder-16]*
<<locked>>
81%
28834
46%
**64
93%
Alliant Reloder-17
<<locked>>
81%
31865
51%
**78
97%
[Alliant Reloder-19]*
<<locked>>
93%
36303
58%
**21
90%
[Alliant Reloder-23]*
<<locked>>
84%
22756
36%
**16
90%
[Alliant Reloder-26]*
<<locked>>
89%
27717
44%
**10
90%
Baschieri & Pellagri 107
<<locked>>
81%
43033
69%
**20
98%
Hodgdon BL-C2
<<locked>>
81%
45368
73%
**62
100%
Hodgdon Benchmark
<<locked>>
81%
48037
77%
**10
100%
Hodgdon CFE223
<<locked>>
81%
37884
61%
**60
97%
Hodgdon H322
<<locked>>
81%
49052
79%
**52
100%
Hodgdon H380
<<locked>>
81%
37594
60%
**15
96%
[Hodgdon H414]*
<<locked>>
81%
32750
53%
**52
91%
[Hodgdon H4350]*
<<locked>>
86%
32909
53%
**00
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26368
42%
**85
94%
[Hodgdon LVR]*
<<locked>>
81%
31024
50%
**06
93%
[Hodgdon Superperformance]*
<<locked>>
84%
33388
54%
**78
90%
Hodgdon VARGET
<<locked>>
81%
37391
60%
**85
97%
IMR 3031
<<locked>>
81%
40176
64%
**60
100%
IMR 4064
<<locked>>
81%
36782
59%
**62
97%
[IMR 4166 Enduron]*
<<locked>>
81%
36840
59%
**36
93%
[IMR 4350]*
<<locked>>
84%
32213
52%
**87
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34824
56%
**19
92%
[IMR 4831]*
<<locked>>
81%
24714
40%
**55
91%
IMR 4895
<<locked>>
81%
40654
65%
**87
99%
IMR 8208 XBR
<<locked>>
81%
46166
74%
**20
100%
Lovex D073.6
<<locked>>
81%
42975
69%
**00
100%
Lovex S060
<<locked>>
81%
44367
71%
**60
99%
Lovex S062
<<locked>>
81%
39233
63%
**18
99%
[Lovex S065]*
<<locked>>
81%
32213
52%
**80
93%
[Lovex S070]*
<<locked>>
81%
30414
49%
**51
90%
Norma 201
<<locked>>
81%
43178
69%
**77
100%
Norma 202
<<locked>>
81%
43453
70%
**83
100%
Norma 203B
<<locked>>
81%
39030
63%
**51
98%
[Norma 204]*
<<locked>>
89%
36956
59%
**18
90%
[Norma MRP]*
<<locked>>
94%
33054
53%
**11
90%
[Norma URP]*
<<locked>>
81%
28471
46%
**60
93%
Ramshot Big Game
<<locked>>
81%
38522
62%
**60
98%
[Ramshot Hunter]*
<<locked>>
82%
28776
46%
**64
90%
Ramshot TAC
<<locked>>
81%
46035
74%
**26
98%
Ramshot Wild Boar
<<locked>>
81%
45556
73%
**49
99%
Ramshot X-Terminator
<<locked>>
81%
49763
80%
**65
100%
ReloadSwiss RS 40
<<locked>>
81%
52069
83%
**95
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38014
61%
**98
94%
ReloadSwiss RS 52
<<locked>>
81%
37710
60%
**60
99%
ReloadSwiss RS 60
<<locked>>
81%
30937
50%
**65
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
27702
44%
**64
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
28427
46%
**64
90%
Rottweil R 901
<<locked>>
81%
47123
76%
**06
100%
Rottweil R 902
<<locked>>
81%
41350
66%
**38
100%
Rottweil R 903
<<locked>>
81%
34360
55%
**62
98%
[Rottweil R 905]*
<<locked>>
94%
35317
57%
**11
90%
[Rottweil R 907]*
<<locked>>
81%
33359
53%
**90
91%
SNPE Vectan SP 11
<<locked>>
81%
35230
56%
**05
97%
SNPE Vectan SP 7
<<locked>>
81%
44266
71%
**06
98%
SNPE Vectan SP 9
<<locked>>
81%
42569
68%
**90
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
44686
72%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36883
59%
**16
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
30864
49%
**24
91%
[Shooters World Long Rifle]*
<<locked>>
81%
32213
52%
**80
93%
Shooters World Match Rifle
<<locked>>
81%
42975
69%
**00
100%
Shooters World Precision
<<locked>>
81%
39233
63%
**18
99%
Somchem S321
<<locked>>
81%
49734
80%
**92
100%
Somchem S335
<<locked>>
81%
44251
71%
**34
100%
Somchem S341
<<locked>>
81%
43772
70%
**00
99%
Somchem S355
<<locked>>
81%
35288
57%
**65
98%
Somchem S365
<<locked>>
81%
25425
41%
**14
95%
[Somchem S385]*
<<locked>>
91%
32010
51%
**29
90%
Vihtavuori N130
<<locked>>
81%
49516
79%
**70
100%
Vihtavuori N133
<<locked>>
81%
42177
68%
**85
100%
Vihtavuori N135
<<locked>>
81%
34200
55%
**13
100%
Vihtavuori N140
<<locked>>
81%
40654
65%
**18
100%
Vihtavuori N150
<<locked>>
81%
30095
48%
**44
98%
[Vihtavuori N160]*
<<locked>>
81%
30864
49%
**87
94%
Vihtavuori N530
<<locked>>
81%
48573
78%
**65
100%
Vihtavuori N540
<<locked>>
81%
40030
64%
**34
100%
[Vihtavuori N550]*
<<locked>>
81%
31328
50%
**29
94%
[Vihtavuori N555]*
<<locked>>
83%
23192
37%
**55
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29733
48%
**44
96%
Winchester 748
<<locked>>
81%
49342
79%
**15
100%
[Winchester 760]*
<<locked>>
81%
32750
53%
**52
91%
[Winchester StaBALL HD]*
<<locked>>
90%
24250
39%
**08
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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