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Load data for .375 H.& H. Mag. + .375 | 300gr | Speer AGS SP

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

.375 H.& H. Mag. + .375 | 300gr | Speer AGS SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Speer AGS SP
Manufacturer SKU:
2470
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.220" | 31.0mm
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:
0.533" | 13.5mm
Shank Seated Depth:
0.533" | 13.5mm
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_B6247_C543
Last updated:
2025-01-01

Load data for 190 loads in caliber .375 H.& H. Mag. with .375 | 300gr | Speer AGS SP 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>>
88%
55753
89%
**93
100%
ADI AR 2208
<<locked>>
93%
55738
89%
**84
100%
[ADI AR 2209]*
<<locked>>
97%
42235
68%
**33
92%
Accurate 2015
<<locked>>
84%
55593
89%
**82
100%
Accurate 2200
<<locked>>
86%
55753
89%
**64
100%
Accurate 2495
<<locked>>
87%
55898
90%
**54
100%
Accurate 2520
<<locked>>
86%
55187
88%
**74
100%
Accurate 2700
<<locked>>
94%
55753
89%
**31
97%
[Accurate 3100]*
<<locked>>
97%
34345
55%
**05
94%
Accurate 4064
<<locked>>
93%
55767
89%
**74
100%
Accurate 4350
<<locked>>
97%
48254
77%
**57
99%
Alliant AR-Comp
<<locked>>
86%
55840
90%
**28
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
55941
90%
**03
100%
Alliant Reloder-15
<<locked>>
91%
55956
90%
**13
100%
Alliant Reloder-16
<<locked>>
97%
47427
76%
**67
99%
Alliant Reloder-17 👍
<<locked>>
97%
54839
88%
**92
100%
[Alliant Reloder-19]*
<<locked>>
97%
41104
66%
**23
92%
Alliant Reloder-23
<<locked>>
97%
33678
54%
**31
97%
Alliant Reloder-26
<<locked>>
97%
36680
59%
**49
96%
Baschieri & Pellagri 107
<<locked>>
88%
55985
90%
**16
100%
Hodgdon BL-C2
<<locked>>
86%
55680
89%
**13
100%
Hodgdon Benchmark
<<locked>>
86%
55956
90%
**25
100%
Hodgdon CFE223 👍
<<locked>>
92%
55448
89%
**49
100%
Hodgdon H322
<<locked>>
84%
55535
89%
**38
100%
Hodgdon H380
<<locked>>
93%
55941
90%
**13
100%
Hodgdon H414
<<locked>>
96%
55869
90%
**69
98%
Hodgdon H4350
<<locked>>
97%
45977
74%
**56
95%
Hodgdon Hybrid 100V
<<locked>>
97%
43395
70%
**56
99%
Hodgdon LVR
<<locked>>
97%
52373
84%
**03
99%
Hodgdon Superperformance
<<locked>>
97%
52112
84%
**36
97%
Hodgdon VARGET
<<locked>>
94%
56072
90%
**84
100%
IMR 3031
<<locked>>
91%
55651
89%
**77
100%
IMR 4064
<<locked>>
94%
55709
89%
**70
100%
IMR 4166 Enduron
<<locked>>
95%
55680
89%
**51
98%
IMR 4350
<<locked>>
97%
48733
78%
**02
96%
IMR 4451 Enduron
<<locked>>
96%
55376
89%
**77
98%
IMR 4831
<<locked>>
97%
41162
66%
**26
98%
IMR 4895
<<locked>>
91%
56014
90%
**23
100%
IMR 8208 XBR
<<locked>>
86%
55361
89%
**54
100%
Lovex D073.6
<<locked>>
88%
55550
89%
**74
100%
Lovex S060
<<locked>>
88%
56043
90%
**34
100%
Lovex S062
<<locked>>
92%
55985
90%
**74
100%
Lovex S065
<<locked>>
97%
52794
85%
**48
99%
Lovex S070
<<locked>>
97%
50502
81%
**34
97%
Norma 201
<<locked>>
89%
55535
89%
**57
100%
Norma 202
<<locked>>
89%
55898
90%
**57
100%
Norma 203B
<<locked>>
92%
55782
89%
**13
100%
Norma 204
<<locked>>
97%
48559
78%
**28
95%
[Norma MRP]*
<<locked>>
97%
37391
60%
**26
93%
Norma URP
<<locked>>
97%
48370
78%
**54
99%
Ramshot Big Game 👍
<<locked>>
92%
56072
90%
**39
100%
Ramshot Hunter
<<locked>>
97%
46862
75%
**41
97%
Ramshot TAC
<<locked>>
86%
55840
90%
**77
99%
Ramshot Wild Boar
<<locked>>
87%
56028
90%
**03
100%
Ramshot X-Terminator
<<locked>>
84%
55753
89%
**54
100%
ReloadSwiss RS 50
<<locked>>
93%
56014
90%
**90
99%
ReloadSwiss RS 52
<<locked>>
92%
55579
89%
**33
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
53026
85%
**89
100%
ReloadSwiss RS 62
<<locked>>
97%
48051
77%
**84
99%
ReloadSwiss RS 70
<<locked>>
97%
47950
77%
**93
98%
Rottweil R 901
<<locked>>
86%
56028
90%
**28
100%
Rottweil R 902
<<locked>>
90%
55666
89%
**51
100%
Rottweil R 903
<<locked>>
95%
55274
89%
**00
100%
[Rottweil R 904]*
<<locked>>
97%
43424
70%
**16
92%
[Rottweil R 905]*
<<locked>>
97%
39784
64%
**13
92%
Rottweil R 907
<<locked>>
97%
54940
88%
**67
97%
SNPE Vectan SP 11 👍
<<locked>>
94%
55332
89%
**36
100%
SNPE Vectan SP 7
<<locked>>
87%
55724
89%
**77
99%
SNPE Vectan SP 9
<<locked>>
89%
55869
90%
**90
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
55477
89%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
55622
89%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
52982
85%
**02
97%
Shooters World Long Rifle
<<locked>>
97%
52794
85%
**48
99%
Shooters World Match Rifle
<<locked>>
88%
55550
89%
**74
100%
Shooters World Precision
<<locked>>
92%
55985
90%
**74
100%
Somchem S321
<<locked>>
84%
55419
89%
**74
100%
Somchem S335
<<locked>>
88%
55869
90%
**95
100%
Somchem S341
<<locked>>
88%
55753
89%
**77
100%
Somchem S355
<<locked>>
96%
56086
90%
**00
100%
Somchem S365
<<locked>>
97%
42902
69%
**11
100%
[Somchem S385]*
<<locked>>
97%
40161
64%
**97
94%
Vihtavuori N130
<<locked>>
85%
55883
90%
**56
100%
Vihtavuori N133
<<locked>>
90%
55854
90%
**72
100%
Vihtavuori N135
<<locked>>
97%
55767
89%
**28
100%
Vihtavuori N140
<<locked>>
91%
55883
90%
**38
100%
Vihtavuori N150
<<locked>>
97%
49748
80%
**88
100%
Vihtavuori N160
<<locked>>
97%
52997
85%
**77
99%
Vihtavuori N530
<<locked>>
85%
55593
89%
**67
100%
Vihtavuori N540
<<locked>>
91%
55448
89%
**61
100%
Vihtavuori N550
<<locked>>
97%
53258
85%
**23
99%
Vihtavuori N555
<<locked>>
97%
36158
58%
**00
97%
Winchester 6.5 StaBALL
<<locked>>
97%
50850
82%
**34
100%
Winchester 748
<<locked>>
84%
55956
90%
**07
100%
Winchester 760
<<locked>>
96%
55869
90%
**69
98%
Winchester StaBALL HD
<<locked>>
97%
29878
48%
**08
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44715
72%
**33
99%
ADI AR 2208
<<locked>>
81%
38145
61%
**05
98%
[ADI AR 2209]*
<<locked>>
93%
36941
59%
**28
90%
Accurate 2015
<<locked>>
81%
50531
81%
**23
100%
Accurate 2200
<<locked>>
81%
46978
75%
**36
99%
Accurate 2495
<<locked>>
81%
46151
74%
**29
100%
Accurate 2520
<<locked>>
81%
46470
75%
**52
100%
[Accurate 2700]*
<<locked>>
81%
36318
58%
**23
92%
[Accurate 3100]*
<<locked>>
91%
27688
44%
**47
90%
Accurate 4064
<<locked>>
81%
38885
62%
**31
100%
[Accurate 4350]*
<<locked>>
81%
28036
45%
**67
93%
Alliant AR-Comp
<<locked>>
81%
47123
76%
**23
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37550
60%
**21
99%
Alliant Reloder-15
<<locked>>
81%
40277
65%
**77
98%
[Alliant Reloder-16]*
<<locked>>
81%
29225
47%
**83
93%
Alliant Reloder-17
<<locked>>
81%
32285
52%
**95
97%
[Alliant Reloder-19]*
<<locked>>
92%
35868
58%
**15
90%
[Alliant Reloder-23]*
<<locked>>
84%
22800
37%
**26
90%
[Alliant Reloder-26]*
<<locked>>
88%
27354
44%
**03
90%
Baschieri & Pellagri 107
<<locked>>
81%
43816
70%
**36
98%
Hodgdon BL-C2
<<locked>>
81%
46354
74%
**85
100%
Hodgdon Benchmark
<<locked>>
81%
48689
78%
**26
100%
Hodgdon CFE223
<<locked>>
81%
38450
62%
**83
97%
Hodgdon H322
<<locked>>
81%
49850
80%
**65
100%
Hodgdon H380
<<locked>>
81%
38145
61%
**28
96%
[Hodgdon H414]*
<<locked>>
81%
33417
54%
**78
92%
[Hodgdon H4350]*
<<locked>>
85%
32430
52%
**00
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26861
43%
**08
94%
[Hodgdon LVR]*
<<locked>>
81%
31531
51%
**26
94%
[Hodgdon Superperformance]*
<<locked>>
84%
33185
53%
**75
90%
Hodgdon VARGET
<<locked>>
81%
37753
61%
**98
97%
IMR 3031
<<locked>>
81%
41031
66%
**80
100%
IMR 4064
<<locked>>
81%
37333
60%
**82
98%
[IMR 4166 Enduron]*
<<locked>>
81%
37434
60%
**56
94%
[IMR 4350]*
<<locked>>
83%
31749
51%
**83
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35346
57%
**39
92%
[IMR 4831]*
<<locked>>
81%
25237
40%
**78
91%
IMR 4895
<<locked>>
81%
41176
66%
**03
99%
IMR 8208 XBR
<<locked>>
81%
46818
75%
**36
100%
Lovex D073.6
<<locked>>
81%
43627
70%
**13
100%
Lovex S060
<<locked>>
81%
45020
72%
**77
99%
Lovex S062
<<locked>>
81%
39914
64%
**34
99%
[Lovex S065]*
<<locked>>
81%
32663
52%
**96
93%
[Lovex S070]*
<<locked>>
81%
30705
49%
**64
91%
Norma 201
<<locked>>
81%
43888
70%
**93
100%
Norma 202
<<locked>>
81%
44019
71%
**97
100%
Norma 203B
<<locked>>
81%
39653
64%
**67
99%
[Norma 204]*
<<locked>>
88%
36390
58%
**11
90%
[Norma MRP]*
<<locked>>
93%
32532
52%
**08
90%
[Norma URP]*
<<locked>>
81%
28979
46%
**80
93%
Ramshot Big Game
<<locked>>
81%
39146
63%
**80
98%
[Ramshot Hunter]*
<<locked>>
81%
28529
46%
**60
90%
Ramshot TAC
<<locked>>
81%
46775
75%
**46
98%
Ramshot Wild Boar
<<locked>>
81%
46224
74%
**62
99%
Ramshot X-Terminator
<<locked>>
81%
50415
81%
**79
100%
ReloadSwiss RS 50
<<locked>>
81%
38638
62%
**15
95%
ReloadSwiss RS 52
<<locked>>
81%
38334
61%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
31444
50%
**85
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
28108
45%
**80
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
28645
46%
**77
91%
Rottweil R 901
<<locked>>
81%
47935
77%
**23
100%
Rottweil R 902
<<locked>>
81%
41582
67%
**47
100%
Rottweil R 903
<<locked>>
81%
34867
56%
**78
98%
[Rottweil R 904]*
<<locked>>
94%
39537
63%
**44
90%
[Rottweil R 905]*
<<locked>>
93%
35230
56%
**18
90%
[Rottweil R 907]*
<<locked>>
81%
33794
54%
**06
91%
SNPE Vectan SP 11
<<locked>>
81%
35752
57%
**21
98%
SNPE Vectan SP 7
<<locked>>
81%
45078
72%
**29
98%
SNPE Vectan SP 9
<<locked>>
81%
43120
69%
**06
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45484
73%
**47
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37579
60%
**36
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31430
50%
**44
91%
[Shooters World Long Rifle]*
<<locked>>
81%
32663
52%
**96
93%
Shooters World Match Rifle
<<locked>>
81%
43627
70%
**13
100%
Shooters World Precision
<<locked>>
81%
39914
64%
**34
99%
Somchem S321
<<locked>>
81%
50763
81%
**15
100%
Somchem S335
<<locked>>
81%
44933
72%
**51
100%
Somchem S341
<<locked>>
81%
44730
72%
**23
99%
Somchem S355
<<locked>>
81%
35795
57%
**78
98%
Somchem S365
<<locked>>
81%
25875
41%
**34
96%
[Somchem S385]*
<<locked>>
90%
32097
51%
**36
90%
Vihtavuori N130
<<locked>>
81%
50357
81%
**87
100%
Vihtavuori N133
<<locked>>
81%
42554
68%
**98
100%
Vihtavuori N135
<<locked>>
81%
34882
56%
**26
100%
Vihtavuori N140
<<locked>>
81%
41321
66%
**34
100%
Vihtavuori N150
<<locked>>
81%
30458
49%
**54
98%
[Vihtavuori N160]*
<<locked>>
81%
31343
50%
**03
94%
Vihtavuori N530
<<locked>>
81%
49269
79%
**85
100%
Vihtavuori N540
<<locked>>
81%
40625
65%
**47
100%
Vihtavuori N550
<<locked>>
81%
31836
51%
**46
95%
[Vihtavuori N555]*
<<locked>>
82%
23047
37%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30255
49%
**64
96%
Winchester 748
<<locked>>
81%
50096
80%
**31
100%
[Winchester 760]*
<<locked>>
81%
33417
54%
**78
92%
[Winchester StaBALL HD]*
<<locked>>
89%
23946
38%
**01
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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