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Load data for .357 Auto Magnum + .358 | 275gr | A-Square MONO RN

Recommended Powder(s): none

.357 Auto Magnum + .358 | 275gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 275gr | A-Square MONO RN
Bullet Weight:
275gr | 17.8g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.357 Auto Magnum load data
Case Length (l3):
1.299" | 33.0mm
Cartridge Length (C.O.L.):
1.576" | 40.0mm
Seated Depth:
0.723" | 18.4mm
Shank Seated Depth:
0.723" | 18.4mm
Case Capacity:
35.0 Grains of Water | 2.27 cm³
Primer Size:
Small Pistol Magnum (SPM)
Max. allowed Pressure:
36985 psi | 2550 bar
LID:
LID_B387_C511
Last updated:
2025-01-01

Load data for 54 loads in caliber .357 Auto Magnum with .358 | 275gr | A-Square MONO RN bullet and 27 powders such as none. 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 AP 100
<<locked>>
73%
31966
86%
**5
100%
Accurate 4100
<<locked>>
75%
32111
87%
**20
91%
[Accurate No. 11 FS]*
<<locked>>
85%
32532
88%
**37
84%
Accurate No. 9
<<locked>>
65%
33069
89%
**20
97%
Accurate TCM
<<locked>>
63%
31734
86%
**4
97%
Alliant 2400
<<locked>>
72%
32866
89%
**30
94%
Alliant BLUE DOT
<<locked>>
73%
31792
86%
**1
99%
[Hodgdon H110]*
<<locked>>
80%
31357
85%
**40
88%
Hodgdon LilGun
<<locked>>
82%
32010
87%
**83
95%
Hodgdon TrailBoss
<<locked>>
96%
23351
63%
**6
100%
Lovex D037.2
<<locked>>
63%
31966
86%
**07
96%
Maxam CSB 1
<<locked>>
65%
33243
90%
**7
100%
Ramshot Enforcer
<<locked>>
73%
32996
89%
**40
95%
ReloadSwiss RS 14
<<locked>>
97%
22931
62%
**2
100%
ReloadSwiss RS 30
<<locked>>
95%
30124
81%
**40
90%
Rottweil P 806
<<locked>>
63%
33141
90%
**8
100%
SNPE Vectan A0
<<locked>>
64%
33156
90%
**6
100%
SNPE Vectan BA6 1/2
<<locked>>
96%
29631
80%
**01
96%
SNPE Vectan BA7 1/2
<<locked>>
66%
31372
85%
**9
100%
Shooters World Heavy Pistol
<<locked>>
63%
31966
86%
**07
96%
[Somchem S265]*
<<locked>>
88%
32590
88%
**04
87%
Vihtavuori 3N38
<<locked>>
70%
32721
88%
**4
100%
Vihtavuori N105
<<locked>>
73%
31343
85%
**8
100%
Vihtavuori N110
<<locked>>
91%
32953
89%
**60
95%
Vihtavuori N32C Tin Star
<<locked>>
77%
32343
87%
**5
100%
Vihtavuori N350
<<locked>>
64%
32242
87%
**2
100%
[Winchester 296]*
<<locked>>
80%
31299
85%
**56
84%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
<<locked>>
61%
23569
64%
**0
100%
[Accurate 4100]*
<<locked>>
61%
20523
55%
**6
83%
[Accurate No. 11 FS]*
<<locked>>
79%
26789
72%
**1
81%
Accurate No. 9
<<locked>>
61%
28979
78%
**8
95%
Accurate TCM
<<locked>>
61%
29994
81%
**4
96%
[Alliant 2400]*
<<locked>>
62%
23743
64%
**6
89%
Alliant BLUE DOT
<<locked>>
61%
22437
61%
**3
95%
[Hodgdon H110]*
<<locked>>
68%
21756
59%
**2
81%
[Hodgdon LilGun]*
<<locked>>
61%
15780
43%
**7
81%
Hodgdon TrailBoss
<<locked>>
90%
21364
58%
**3
100%
Lovex D037.2
<<locked>>
61%
30023
81%
**1
95%
Maxam CSB 1
<<locked>>
61%
30458
82%
**0
100%
Ramshot Enforcer
<<locked>>
61%
22321
60%
**6
90%
ReloadSwiss RS 14
<<locked>>
85%
19131
52%
**6
100%
[ReloadSwiss RS 30]*
<<locked>>
79%
19914
54%
**9
81%
Rottweil P 806
<<locked>>
61%
30995
84%
**1
100%
SNPE Vectan A0
<<locked>>
61%
30530
83%
**0
100%
[SNPE Vectan BA6 1/2]*
<<locked>>
64%
13140
36%
**9
81%
SNPE Vectan BA7 1/2
<<locked>>
60%
26890
73%
**3
100%
Shooters World Heavy Pistol
<<locked>>
61%
30023
81%
**1
95%
[Somchem S265]*
<<locked>>
75%
23076
62%
**3
80%
Vihtavuori 3N38
<<locked>>
60%
24497
66%
**9
99%
Vihtavuori N105
<<locked>>
60%
21089
57%
**0
100%
[Vihtavuori N110]*
<<locked>>
63%
14547
39%
**1
80%
Vihtavuori N32C Tin Star
<<locked>>
61%
22829
62%
**6
100%
Vihtavuori N350
<<locked>>
61%
29733
80%
**9
100%
[Winchester 296]*
<<locked>>
74%
26223
71%
**4
81%

Start Load - Barrel Length: 5.50''

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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