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Load data for .375 Swiss P + .375 | 300gr | Speer AGS SP

Recommended Powder(s): Accurate 3100, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Somchem S385

.375 Swiss P + .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 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.344" | 8.7mm
Shank Seated Depth:
0.344" | 8.7mm
Case Capacity:
125.0 Grains of Water | 8.12 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B6247_C569
Last updated:
2025-02-02

Load data for 136 loads in caliber .375 Swiss P with .375 | 300gr | Speer AGS SP bullet and 68 powders such as Accurate 3100, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Somchem S385. 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".

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  • 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 2209
<<locked>>
93%
54404
89%
**17
99%
ADI AR 2213
<<locked>>
97%
54752
90%
**62
98%
[ADI AR 2217]*
<<locked>>
97%
40190
66%
**84
94%
ADI AR 2225
<<locked>>
97%
35650
59%
**48
96%
Accurate 2700
<<locked>>
84%
54418
89%
**98
99%
Accurate 3100 👍
<<locked>>
97%
54723
90%
**80
100%
Accurate 4350
<<locked>>
88%
54201
89%
**80
100%
Accurate MAGPRO
<<locked>>
97%
53867
88%
**69
96%
Alliant Reloder-16
<<locked>>
89%
54708
90%
**26
100%
Alliant Reloder-17
<<locked>>
85%
54447
89%
**30
100%
Alliant Reloder-19 👍
<<locked>>
94%
54723
90%
**26
99%
Alliant Reloder-22
<<locked>>
97%
54244
89%
**56
99%
Alliant Reloder-23
<<locked>>
97%
52112
86%
**97
100%
Alliant Reloder-25
<<locked>>
97%
44889
74%
**35
100%
Alliant Reloder-26 👍
<<locked>>
94%
54621
90%
**15
100%
[Hodgdon H1000]*
<<locked>>
97%
40190
66%
**84
94%
Hodgdon H414
<<locked>>
84%
54491
89%
**07
100%
Hodgdon H4350
<<locked>>
91%
54317
89%
**54
99%
Hodgdon H4831
<<locked>>
97%
50792
83%
**41
97%
Hodgdon H4831 SC
<<locked>>
95%
54752
90%
**07
98%
Hodgdon Hybrid 100V
<<locked>>
91%
54708
90%
**54
100%
Hodgdon LVR
<<locked>>
86%
54244
89%
**80
100%
Hodgdon Retumbo
<<locked>>
97%
35650
59%
**48
96%
Hodgdon Superperformance
<<locked>>
87%
54766
90%
**43
100%
IMR 4064
<<locked>>
83%
54433
89%
**12
100%
IMR 4166 Enduron
<<locked>>
84%
54781
90%
**18
100%
IMR 4350
<<locked>>
89%
54302
89%
**54
99%
IMR 4451 Enduron
<<locked>>
85%
54723
90%
**48
100%
IMR 4831
<<locked>>
93%
54491
89%
**71
100%
IMR 4955 Enduron
<<locked>>
96%
54607
90%
**67
98%
IMR 7828 SSC
<<locked>>
96%
54621
90%
**72
98%
Lovex S065
<<locked>>
87%
54824
90%
**41
100%
Lovex S070
<<locked>>
88%
54520
89%
**57
100%
Lovex S071
<<locked>>
97%
45963
75%
**43
99%
Norma 204
<<locked>>
89%
54650
90%
**03
99%
[Norma 217]*
<<locked>>
97%
31531
52%
**65
93%
Norma MRP 👍
<<locked>>
95%
54302
89%
**89
100%
Norma URP
<<locked>>
89%
54563
90%
**90
100%
Ramshot Hunter
<<locked>>
89%
54476
89%
**13
100%
Ramshot Magnum
<<locked>>
97%
53214
87%
**30
99%
ReloadSwiss RS 60
<<locked>>
86%
54375
89%
**46
100%
ReloadSwiss RS 62
<<locked>>
88%
54694
90%
**10
100%
ReloadSwiss RS 70
<<locked>>
89%
54317
89%
**56
100%
ReloadSwiss RS 76
<<locked>>
97%
43627
72%
**67
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38870
64%
**33
92%
Rottweil R 903
<<locked>>
83%
54607
90%
**31
100%
Rottweil R 904
<<locked>>
93%
54737
90%
**77
98%
Rottweil R 905
<<locked>>
94%
54737
90%
**23
99%
Rottweil R 907
<<locked>>
86%
54679
90%
**41
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
54810
90%
**13
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
54389
89%
**98
100%
Shooters World Long Rifle
<<locked>>
87%
54824
90%
**41
100%
Somchem S355
<<locked>>
83%
54389
89%
**25
100%
Somchem S361
<<locked>>
92%
54636
90%
**44
97%
Somchem S365
<<locked>>
91%
54404
89%
**94
100%
Somchem S385 👍
<<locked>>
94%
54462
89%
**84
99%
Vihtavuori N135
<<locked>>
84%
54578
90%
**39
100%
Vihtavuori N150
<<locked>>
88%
54549
90%
**92
100%
Vihtavuori N160
<<locked>>
86%
54607
90%
**57
100%
Vihtavuori N165
<<locked>>
97%
50618
83%
**18
99%
Vihtavuori N550
<<locked>>
86%
54737
90%
**94
100%
Vihtavuori N555
<<locked>>
95%
54592
90%
**17
100%
Vihtavuori N560
<<locked>>
97%
54795
90%
**92
98%
Vihtavuori N565
<<locked>>
97%
46528
76%
**35
96%
[Vihtavuori N568]*
<<locked>>
97%
40567
67%
**56
92%
Winchester 6.5 StaBALL
<<locked>>
88%
54447
89%
**31
100%
Winchester 760
<<locked>>
84%
54491
89%
**07
100%
Winchester StaBALL HD
<<locked>>
97%
47616
78%
**53
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
36434
60%
**82
94%
[ADI AR 2213]*
<<locked>>
81%
32372
53%
**00
90%
[ADI AR 2217]*
<<locked>>
90%
32213
53%
**97
90%
[ADI AR 2225]*
<<locked>>
88%
27166
45%
**98
90%
Accurate 2700
<<locked>>
81%
50256
82%
**36
99%
Accurate 3100
<<locked>>
81%
31995
53%
**64
96%
Accurate 4350
<<locked>>
81%
43279
71%
**07
100%
[Accurate MAGPRO]*
<<locked>>
85%
36013
59%
**18
90%
Alliant Reloder-16
<<locked>>
81%
41727
69%
**13
100%
Alliant Reloder-17
<<locked>>
81%
47892
79%
**35
100%
Alliant Reloder-19
<<locked>>
81%
36260
60%
**82
95%
[Alliant Reloder-22]*
<<locked>>
81%
32039
53%
**20
93%
Alliant Reloder-23
<<locked>>
81%
30864
51%
**93
99%
[Alliant Reloder-25]*
<<locked>>
81%
26992
44%
**92
93%
Alliant Reloder-26
<<locked>>
81%
33141
54%
**11
98%
[Hodgdon H1000]*
<<locked>>
90%
32213
53%
**97
90%
Hodgdon H414
<<locked>>
81%
49153
81%
**25
99%
Hodgdon H4350
<<locked>>
81%
40030
66%
**05
97%
[Hodgdon H4831]*
<<locked>>
83%
32489
53%
**74
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33910
56%
**06
91%
Hodgdon Hybrid 100V
<<locked>>
81%
39218
64%
**11
100%
Hodgdon LVR
<<locked>>
81%
45861
75%
**46
100%
[Hodgdon Retumbo]*
<<locked>>
88%
27166
45%
**98
90%
Hodgdon Superperformance
<<locked>>
81%
44237
73%
**75
98%
IMR 4064
<<locked>>
81%
51111
84%
**66
100%
IMR 4166 Enduron
<<locked>>
81%
50009
82%
**49
99%
IMR 4350
<<locked>>
81%
41989
69%
**48
98%
IMR 4451 Enduron
<<locked>>
81%
48182
79%
**43
99%
IMR 4831
<<locked>>
81%
37681
62%
**88
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34490
57%
**87
91%
[IMR 7828 SSC]*
<<locked>>
81%
33112
54%
**36
91%
Lovex S065
<<locked>>
81%
45585
75%
**97
99%
Lovex S070
<<locked>>
81%
43903
72%
**80
99%
[Lovex S071]*
<<locked>>
81%
27572
45%
**49
94%
Norma 204
<<locked>>
81%
41959
69%
**80
96%
[Norma 217]*
<<locked>>
92%
27311
45%
**34
90%
Norma MRP
<<locked>>
81%
33446
55%
**85
95%
Norma URP
<<locked>>
81%
42670
70%
**97
100%
Ramshot Hunter
<<locked>>
81%
41495
68%
**93
99%
[Ramshot Magnum]*
<<locked>>
81%
29443
48%
**44
92%
ReloadSwiss RS 60
<<locked>>
81%
46137
76%
**25
100%
ReloadSwiss RS 62
<<locked>>
81%
43004
71%
**26
100%
ReloadSwiss RS 70
<<locked>>
81%
41611
68%
**46
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
27224
45%
**28
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
34940
57%
**38
90%
Rottweil R 903
<<locked>>
81%
50589
83%
**75
100%
[Rottweil R 904]*
<<locked>>
81%
37927
62%
**72
94%
[Rottweil R 905]*
<<locked>>
81%
35491
58%
**65
94%
Rottweil R 907
<<locked>>
81%
46746
77%
**16
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
51140
84%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44831
74%
**51
99%
Shooters World Long Rifle
<<locked>>
81%
45585
75%
**97
99%
Somchem S355
<<locked>>
81%
50502
83%
**66
100%
[Somchem S361]*
<<locked>>
81%
38464
63%
**59
93%
Somchem S365
<<locked>>
81%
39247
64%
**57
100%
Somchem S385
<<locked>>
81%
36027
59%
**52
96%
Vihtavuori N135
<<locked>>
81%
49240
81%
**70
100%
Vihtavuori N150
<<locked>>
81%
43526
71%
**25
100%
Vihtavuori N160
<<locked>>
81%
46050
76%
**26
100%
[Vihtavuori N165]*
<<locked>>
81%
30211
50%
**08
93%
Vihtavuori N550
<<locked>>
81%
46731
77%
**69
100%
Vihtavuori N555
<<locked>>
81%
34389
56%
**69
99%
[Vihtavuori N560]*
<<locked>>
81%
32634
54%
**43
90%
[Vihtavuori N565]*
<<locked>>
85%
31415
52%
**10
90%
[Vihtavuori N568]*
<<locked>>
93%
35911
59%
**48
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43192
71%
**67
100%
Winchester 760
<<locked>>
81%
49153
81%
**25
99%
Winchester StaBALL HD
<<locked>>
81%
25367
42%
**90
99%

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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