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Load data for .32 H&R Magnum + .312 | 90gr | Sierra JHC SportsMaster

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20

.32 H&R Magnum + .312 | 90gr | Sierra JHC SportsMaster

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.312 | 90gr | Sierra JHC SportsMaster
Manufacturer SKU:
8030
Bullet Weight:
90gr | 5.8g
Bullet Diameter:
0.312" | 7.92mm
Bullet Length:
0.520" | 13.2mm
Caliber:
.32 H&R Magnum load data
Case Length (l3):
1.067" | 27.1mm
Cartridge Length (C.O.L.):
1.330" | 33.8mm
Seated Depth:
0.257" | 6.5mm
Shank Seated Depth:
0.257" | 6.5mm
Case Capacity:
16.2 Grains of Water | 1.05 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
20305 psi | 1400 bar
LID:
LID_B5919_C411
Last updated:
2025-01-01

Load data for 24 loads in caliber .32 H&R Magnum with .312 | 90gr | Sierra JHC SportsMaster bullet and 12 powders such as Alliant UNIQUE, ReloadSwiss RS 20. 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 AP 100]*
<<locked>>
77%
17796
88%
**48
84%
[Alliant POWER PISTOL]*
<<locked>>
63%
17782
88%
**75
82%
Hodgdon TrailBoss
<<locked>>
95%
12836
63%
**9
100%
Maxam CSB 1
<<locked>>
63%
17840
88%
**93
100%
ReloadSwiss RS 14
<<locked>>
95%
11792
58%
**9
100%
ReloadSwiss RS 20 👍
<<locked>>
64%
17608
87%
**55
99%
Rottweil P 806
<<locked>>
76%
17840
88%
**53
90%
SNPE Vectan A0
<<locked>>
63%
17898
88%
**99
97%
SNPE Vectan BA7 1/2
<<locked>>
69%
17912
88%
**32
90%
Vihtavuori 3N37
<<locked>>
65%
17782
88%
**55
92%
Vihtavuori N32C Tin Star
<<locked>>
75%
17869
88%
**17
100%
Vihtavuori N350
<<locked>>
68%
17724
87%
**55
92%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
70%
14997
74%
**70
80%
[Alliant POWER PISTOL]*
<<locked>>
60%
16172
80%
**32
81%
Hodgdon TrailBoss
<<locked>>
62%
6759
33%
**5
99%
Maxam CSB 1
<<locked>>
60%
16621
82%
**63
100%
ReloadSwiss RS 14
<<locked>>
61%
6208
31%
**2
95%
ReloadSwiss RS 20
<<locked>>
60%
15418
76%
**99
98%
[Rottweil P 806]*
<<locked>>
63%
11327
56%
**50
81%
SNPE Vectan A0
<<locked>>
60%
16650
82%
**73
97%
[SNPE Vectan BA7 1/2]*
<<locked>>
61%
14257
70%
**30
86%
Vihtavuori 3N37
<<locked>>
62%
16201
80%
**15
90%
Vihtavuori N32C Tin Star
<<locked>>
60%
12227
60%
**2
100%
[Vihtavuori N350]*
<<locked>>
61%
14518
72%
**66
88%

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.

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