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Load data for .375 Swiss P + .375 | 300gr | A-Square MONO RN

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.375 Swiss P + .375 | 300gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | A-Square MONO RN
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.274" | 7.0mm
Shank Seated Depth:
0.274" | 7.0mm
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_B393_C569
Last updated:
2025-02-02

Load data for 128 loads in caliber .375 Swiss P with .375 | 300gr | A-Square MONO RN bullet and 64 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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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    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 2209 👍
<<locked>>
93%
54810
90%
**33
99%
ADI AR 2213
<<locked>>
96%
54534
90%
**59
98%
ADI AR 2217
<<locked>>
97%
41191
68%
**16
95%
ADI AR 2225
<<locked>>
97%
36651
60%
**74
97%
Accurate 3100
<<locked>>
96%
54795
90%
**77
100%
Accurate 4350
<<locked>>
87%
54404
89%
**84
100%
Accurate MAGPRO
<<locked>>
97%
54766
90%
**79
97%
Alliant Reloder-16
<<locked>>
89%
54563
90%
**33
100%
Alliant Reloder-17
<<locked>>
84%
54607
90%
**33
100%
Alliant Reloder-19 👍
<<locked>>
93%
54694
90%
**26
99%
Alliant Reloder-22
<<locked>>
96%
54708
90%
**69
99%
Alliant Reloder-23
<<locked>>
97%
52982
87%
**03
100%
Alliant Reloder-25
<<locked>>
97%
45818
75%
**48
100%
Alliant Reloder-26 👍
<<locked>>
94%
54766
90%
**18
100%
Hodgdon H1000
<<locked>>
97%
41191
68%
**16
95%
Hodgdon H414
<<locked>>
83%
54578
90%
**10
100%
Hodgdon H4350
<<locked>>
90%
54781
90%
**71
100%
Hodgdon H4831
<<locked>>
97%
52040
85%
**67
97%
Hodgdon H4831 SC
<<locked>>
95%
54592
90%
**03
98%
Hodgdon Hybrid 100V
<<locked>>
90%
54462
89%
**51
100%
Hodgdon LVR
<<locked>>
86%
54549
90%
**90
100%
Hodgdon Retumbo
<<locked>>
97%
36651
60%
**74
97%
Hodgdon Superperformance
<<locked>>
86%
54462
89%
**43
100%
IMR 4166 Enduron
<<locked>>
83%
54520
90%
**18
100%
IMR 4350
<<locked>>
88%
54375
89%
**57
100%
IMR 4451 Enduron
<<locked>>
84%
54549
90%
**48
100%
IMR 4831
<<locked>>
92%
54331
89%
**74
100%
IMR 4955 Enduron
<<locked>>
95%
54708
90%
**77
98%
IMR 7828 SSC
<<locked>>
95%
54636
90%
**76
98%
Lovex S065
<<locked>>
86%
54781
90%
**44
100%
Lovex S070
<<locked>>
87%
54578
90%
**64
100%
Lovex S071
<<locked>>
97%
47326
78%
**69
100%
Norma 204
<<locked>>
88%
54418
89%
**07
99%
[Norma 217]*
<<locked>>
97%
32532
53%
**02
94%
Norma MRP 👍
<<locked>>
94%
54752
90%
**92
100%
Norma URP
<<locked>>
88%
54694
90%
**94
100%
Ramshot Hunter
<<locked>>
89%
54694
90%
**13
100%
Ramshot Magnum
<<locked>>
97%
54462
89%
**49
100%
ReloadSwiss RS 14
<<locked>>
97%
36172
59%
**77
100%
ReloadSwiss RS 60
<<locked>>
85%
54665
90%
**53
100%
ReloadSwiss RS 62
<<locked>>
87%
54273
89%
**13
100%
ReloadSwiss RS 70
<<locked>>
88%
54723
90%
**69
100%
ReloadSwiss RS 76
<<locked>>
97%
44831
74%
**87
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
39987
66%
**66
93%
Rottweil R 904
<<locked>>
92%
54360
89%
**71
98%
Rottweil R 905 👍
<<locked>>
93%
54404
89%
**20
99%
Rottweil R 907
<<locked>>
85%
54563
90%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
54607
90%
**08
100%
Shooters World Long Rifle
<<locked>>
86%
54781
90%
**44
100%
Somchem S361
<<locked>>
91%
54810
90%
**57
98%
Somchem S365
<<locked>>
90%
54679
90%
**97
100%
Somchem S385
<<locked>>
93%
54781
90%
**97
100%
Vihtavuori N135
<<locked>>
84%
54694
90%
**43
100%
Vihtavuori N150
<<locked>>
88%
54505
89%
**92
100%
Vihtavuori N160
<<locked>>
86%
54723
90%
**61
100%
Vihtavuori N165
<<locked>>
97%
52025
85%
**38
99%
Vihtavuori N550
<<locked>>
85%
54636
90%
**90
100%
Vihtavuori N555
<<locked>>
94%
54737
90%
**26
100%
Vihtavuori N560
<<locked>>
96%
54418
89%
**89
98%
Vihtavuori N565
<<locked>>
97%
47819
78%
**57
97%
[Vihtavuori N568]*
<<locked>>
97%
41640
68%
**85
93%
Winchester 6.5 StaBALL
<<locked>>
87%
54795
90%
**35
100%
Winchester 760
<<locked>>
83%
54578
90%
**10
100%
Winchester StaBALL HD
<<locked>>
97%
49559
81%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
37318
61%
**11
95%
[ADI AR 2213]*
<<locked>>
81%
33243
55%
**33
91%
[ADI AR 2217]*
<<locked>>
89%
32097
53%
**93
90%
[ADI AR 2225]*
<<locked>>
87%
26905
44%
**92
90%
Accurate 3100
<<locked>>
81%
33040
54%
**87
96%
Accurate 4350
<<locked>>
81%
44585
73%
**36
100%
[Accurate MAGPRO]*
<<locked>>
85%
35955
59%
**21
90%
Alliant Reloder-16
<<locked>>
81%
42743
70%
**36
100%
Alliant Reloder-17
<<locked>>
81%
49255
81%
**51
100%
Alliant Reloder-19
<<locked>>
81%
37260
61%
**02
95%
[Alliant Reloder-22]*
<<locked>>
81%
32866
54%
**39
93%
Alliant Reloder-23
<<locked>>
81%
31749
52%
**16
99%
[Alliant Reloder-25]*
<<locked>>
81%
27789
46%
**21
94%
Alliant Reloder-26
<<locked>>
81%
34156
56%
**31
98%
[Hodgdon H1000]*
<<locked>>
89%
32097
53%
**93
90%
Hodgdon H414
<<locked>>
81%
50140
82%
**44
99%
Hodgdon H4350
<<locked>>
81%
41089
67%
**34
97%
[Hodgdon H4831]*
<<locked>>
82%
32619
54%
**77
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34722
57%
**33
91%
Hodgdon Hybrid 100V
<<locked>>
81%
40248
66%
**31
100%
Hodgdon LVR
<<locked>>
81%
46934
77%
**72
100%
[Hodgdon Retumbo]*
<<locked>>
87%
26905
44%
**92
90%
Hodgdon Superperformance
<<locked>>
81%
45585
75%
**05
99%
IMR 4166 Enduron
<<locked>>
81%
50778
83%
**66
99%
IMR 4350
<<locked>>
81%
43062
71%
**67
98%
IMR 4451 Enduron
<<locked>>
81%
49095
81%
**59
99%
IMR 4831
<<locked>>
81%
38450
63%
**08
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35273
58%
**06
92%
[IMR 7828 SSC]*
<<locked>>
81%
33823
56%
**56
91%
Lovex S065
<<locked>>
81%
46760
77%
**13
100%
Lovex S070
<<locked>>
81%
44918
74%
**03
99%
[Lovex S071]*
<<locked>>
81%
28442
47%
**72
94%
Norma 204
<<locked>>
81%
42699
70%
**97
97%
[Norma 217]*
<<locked>>
91%
26847
44%
**31
90%
Norma MRP
<<locked>>
81%
34374
56%
**05
96%
Norma URP
<<locked>>
81%
43874
72%
**23
100%
Ramshot Hunter
<<locked>>
81%
42380
70%
**10
99%
[Ramshot Magnum]*
<<locked>>
81%
30255
50%
**74
93%
ReloadSwiss RS 14
<<locked>>
93%
34592
57%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
47311
78%
**48
100%
ReloadSwiss RS 62
<<locked>>
81%
44266
73%
**52
100%
ReloadSwiss RS 70
<<locked>>
81%
42612
70%
**59
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
27485
45%
**38
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
34490
57%
**34
90%
[Rottweil R 904]*
<<locked>>
81%
38682
63%
**92
94%
Rottweil R 905
<<locked>>
81%
36564
60%
**88
95%
Rottweil R 907
<<locked>>
81%
47587
78%
**33
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
45658
75%
**67
99%
Shooters World Long Rifle
<<locked>>
81%
46760
77%
**13
100%
[Somchem S361]*
<<locked>>
81%
39320
65%
**79
93%
Somchem S365
<<locked>>
81%
40495
66%
**77
100%
Somchem S385
<<locked>>
81%
36927
61%
**79
96%
Vihtavuori N135
<<locked>>
81%
50372
83%
**90
100%
Vihtavuori N150
<<locked>>
81%
44469
73%
**41
100%
Vihtavuori N160
<<locked>>
81%
47079
77%
**46
100%
[Vihtavuori N165]*
<<locked>>
81%
31038
51%
**31
93%
Vihtavuori N550
<<locked>>
81%
47572
78%
**82
100%
Vihtavuori N555
<<locked>>
81%
35447
58%
**88
99%
[Vihtavuori N560]*
<<locked>>
81%
33054
54%
**52
91%
[Vihtavuori N565]*
<<locked>>
84%
31227
51%
**03
90%
[Vihtavuori N568]*
<<locked>>
92%
35679
59%
**44
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44135
72%
**84
100%
Winchester 760
<<locked>>
81%
50140
82%
**44
99%
Winchester StaBALL HD
<<locked>>
81%
26295
43%
**13
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.

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